JP2003151538A - Manufacturing method of electrode composite for secondary battery and its device - Google Patents
Manufacturing method of electrode composite for secondary battery and its deviceInfo
- Publication number
- JP2003151538A JP2003151538A JP2001350591A JP2001350591A JP2003151538A JP 2003151538 A JP2003151538 A JP 2003151538A JP 2001350591 A JP2001350591 A JP 2001350591A JP 2001350591 A JP2001350591 A JP 2001350591A JP 2003151538 A JP2003151538 A JP 2003151538A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- separator
- coating
- base material
- containing solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は正極基材または負極
基材である電極基材に対して所定の電極物質含有溶液を
連続または間欠的に塗布し、直後にセパレーターを貼り
合わせて加熱して電極材を固化させて電極基材と電極物
質とセパレーターとを一体化せしめる二次電池用電極複
合材製造方法およびその装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention continuously or intermittently applies a solution containing a predetermined electrode substance to an electrode base material which is a positive electrode base material or a negative electrode base material, and immediately after that, a separator is stuck and heated. The present invention relates to a method for producing an electrode composite material for a secondary battery and an apparatus for the same, in which an electrode material is solidified to integrate an electrode base material, an electrode substance and a separator.
【０００２】[0002]
【従来の技術】近年、携帯電話、テレビカメラ、ノート
型パソコン等の電源は小型軽量、大容量、大電圧が求め
られており、例えば、リチウムイオン電池、リチウムイ
オンポリマー電池等の二次電池が使用されている。2. Description of the Related Art In recent years, power sources for mobile phones, television cameras, notebook computers and the like are required to be small and lightweight, large in capacity and large in voltage. For example, secondary batteries such as lithium ion batteries and lithium ion polymer batteries are required. It is used.
【０００３】該二次電池は、正極基材および負極基材に
対して所定の電極物質含有溶液を連続または間欠的に塗
布し、加熱乾燥固化して正極および負極シート状物を製
作し、次いで、所定幅または所定形状に切断した該正極
電極、負極電極およびセパレーターを複数枚巻回または
積層した状態でパッケージに挿入し、溶液状の電解物質
を注入して二次電池を製造している。In the secondary battery, a solution containing a predetermined electrode substance is continuously or intermittently applied to a positive electrode base material and a negative electrode base material, and is dried by heating and solidification to produce a positive electrode and negative electrode sheet-like material, and then, A plurality of positive electrodes, negative electrodes, and separators cut into a predetermined width or a predetermined shape are inserted into a package in a wound or laminated state, and a solution-like electrolytic substance is injected to manufacture a secondary battery.
【０００４】上述の電池の内、リチウムイオンポリマー
二次電池はキャリア材である電極基材に正極材、負極材
および絶縁材をそれぞれ塗布して乾燥後巻き取ってロー
ル状の正極材フィルム、負極材フィルムおよびセパレー
ターフィルムを個別に形成する製膜工程と、正極材フィ
ルム、負極材フィルムおよびセパレーターフィルムをそ
れぞれ所定の幅に切断してロール状の正極材フィルム、
負極材フィルムおよびセパレーターフィルムを個別に形
成する工程と、集電体を挟んで所定の幅に切断されたロ
ール状の正極材フイルムおよび負極材フイルムを該集電
体それぞれの両面に貼り合わせて正極電極フイルムおよ
び負極電極フイルムを個別に形成する正極および負極の
集電体ラミネート工程と、貼り合わされたされた負極電
極フイルムの両面にセパレーターフイルムを貼り合わせ
るセパレーター付負極電極フイルム形成工程と、正極電
極フイルムおよびセパレーター付負極電極フイルムそれ
ぞれの両側縁辺の集電部分を金型で所定の形状に打ち抜
く打ち抜き工程と、キャリア材上の正極電極フイルムの
みを金型でハーフカットする正極電極フイルムハーフカ
ット工程と、セパレーター付負極電極フイルムの両面に
ハーフカットされた正極電極フイルムを所定の位置に一
定間隔で転写する転写工程と、転写された正極電極フイ
ルムとセパレーター付負極電極フイルムを貼り合わせる
ラミネート工程と、転写された正極電極フイルムとセパ
レーター付負極電極フイルムとを貼り合わせた組立体を
金型で個々の電極に打ち抜く工程とによって製作されて
いる。Among the above-mentioned batteries, the lithium-ion polymer secondary battery is a roll-shaped positive electrode material film and negative electrode in which a positive electrode material, a negative electrode material and an insulating material are applied to an electrode base material which is a carrier material, dried and wound. Film forming step of separately forming a material film and a separator film, a positive electrode material film, a negative electrode material film and a separator film are each cut into a predetermined width roll-shaped positive electrode material film,
A step of separately forming a negative electrode material film and a separator film, and a roll-shaped positive electrode material film and negative electrode material film, which are cut into a predetermined width with a current collector sandwiched therebetween, are attached to both surfaces of the current collector to form a positive electrode. Positive electrode and negative electrode current collector laminating step of separately forming an electrode film and a negative electrode film, and a negative electrode film with a separator forming step of attaching a separator film to both surfaces of the negative electrode film that has been pasted, and a positive electrode film And a punching step of punching a current collecting portion on each side edge of each of the negative electrode film with separator into a predetermined shape with a mold, and a positive electrode film half cutting step of half-cutting only the positive electrode film on the carrier material with the mold, Half cut on both sides of the negative electrode film with separator A transfer process of transferring the positive electrode film to a predetermined position at a constant interval, a laminating process of bonding the transferred positive electrode film and the negative electrode film with a separator, and a transferred positive electrode film and a negative electrode film with a separator. It is manufactured by a process of punching the bonded assembly into individual electrodes with a mold.
【０００５】[0005]
【発明が解決しようとする課題】上述の様な電池製造方
法では、中間工程である正極材フィルム、負極材フィル
ムおよびセパレーターフィルムをそれぞれ所定の幅また
は所定形状に切断する時に、電極物質が脱落して電極シ
ートに付着し、そのままの状態で二次電池に成型される
と脱落した電極物質がセパレーターを突き破って短絡等
の不具合が発生することがある。In the battery manufacturing method as described above, when the positive electrode material film, the negative electrode material film, and the separator film, which are intermediate steps, are cut into a predetermined width or a predetermined shape, the electrode material falls off. If the electrode material adheres to the electrode sheet and is molded into the secondary battery as it is, the dropped electrode material may break through the separator and cause a problem such as a short circuit.
【０００６】このため、二次電池成型前に除塵工程を設
けて脱落した電極物質を除去する必要がある。Therefore, it is necessary to remove the dropped electrode material by providing a dust removing step before molding the secondary battery.
【０００７】また、リチウムイオン二次電池を巻回方法
により成形する場合は、正極電極シートおよび負極電極
シートとセパレーターを重ね合わせて巻き取るため各層
に位置ずれが発生しやすいと共に成型後においても各層
相対ずれが発生しやすい。このため短絡の危険性が高く
なるという問題がある。Further, when the lithium ion secondary battery is formed by the winding method, the positive electrode sheet and the negative electrode sheet and the separator are overlapped and wound up, so that each layer is likely to be displaced and each layer is formed even after the formation. Relative displacement is likely to occur. Therefore, there is a problem that the risk of short circuit is increased.
【０００８】リチウムイオンポリマー二次電池を積層方
法により成形する場合は、セパレーターをキャリヤ基材
に塗工し、さらに電極シートに貼り合わせる必要があ
り、製造工程が多くしかもキャリヤ基材を消費するため
生産効率が悪く製造コスト的にも不利になるという問題
がある。When a lithium ion polymer secondary battery is formed by a laminating method, it is necessary to coat a separator on a carrier substrate and then to bond it to an electrode sheet, which requires many manufacturing steps and consumes the carrier substrate. There is a problem that the production efficiency is poor and the manufacturing cost is disadvantageous.
【０００９】本発明は不良品の発生防止、生産効率の向
上、製造コストおよび製造装置コストの削減が可能な二
次電池用電極複合材製造方法およびその装置を提供する
ことを目的とするものである。It is an object of the present invention to provide a method and apparatus for manufacturing an electrode composite material for a secondary battery, which is capable of preventing defective products, improving production efficiency, and reducing manufacturing costs and manufacturing apparatus costs. is there.
【００１０】[0010]
【課題を解決するための手段】上述の目的を達成するた
めに本発明の二次電池用電極複合材製造方法は請求項１
に記載されているように塗工基材を所定の速度で送出す
る塗工基材送出工程と、セパレーターを所定の速度で送
出するセパレーター送出工程と、電極物質含有溶液を塗
工基材に連続または間欠的に塗布する塗工工程と、電極
物質含有溶液が塗布された塗工基材とセパレーターとを
貼り合わせるラミネート工程と、塗工基材に塗布された
電極物質含有溶液を加熱して電極物質を固着させる加熱
工程と、塗工基材と電極物質とセパレーターとが一体物
となった電極複合材を巻き取る巻き取り工程とにより製
造するようにしてある。In order to achieve the above object, the method for producing an electrode composite material for a secondary battery according to the present invention is defined by claim 1.
The coating base material delivery step of delivering the coating base material at a predetermined speed, the separator delivery step of delivering the separator at a predetermined speed, and the electrode substance-containing solution continuously applied to the coating base material as described in 1. Alternatively, a coating step of applying intermittently, a laminating step of bonding a coating substrate coated with an electrode substance-containing solution and a separator, and an electrode by heating the electrode substance-containing solution coated on the coating substrate It is manufactured by a heating step of fixing a substance and a winding step of winding an electrode composite material in which a coating base material, an electrode material and a separator are integrated.
【００１１】また、本発明の二次電池用電極複合材製造
方法は請求項２に記載されているようにセパレーター
が、塗工工程で塗工基材に塗布された電極物質含有溶液
が未固化の状態でラミネート工程において貼り合わされ
るようにしてある。Further, in the method for producing an electrode composite material for a secondary battery according to the present invention, as described in claim 2, the separator is the solid solution of the electrode substance-containing solution applied to the coating base material in the coating step. In this state, they are stuck together in the laminating step.
【００１２】本発明の二次電池用電極複合材製造装置は
請求項３に記載されているように塗工基材を所定の速度
で送出する塗工基材送出機構と、セパレーターを所定の
速度で送出するセパレーター送出機構と、電極物質含有
溶液を塗工基材に連続または間欠的に塗布する塗工機構
と、電極物質含有溶液が塗布された塗工基材とセパレー
ターとを貼り合わせるラミネート機構と、塗工基材に塗
布された電極物質含有溶液を加熱して電極物質を固着さ
せる加熱機構と、塗工基材と電極物質とセパレーターと
が一体物となった電極複合材を巻き取る巻き取り機構と
を備えた構成にしてある。According to a third aspect of the present invention, there is provided an electrode composite material manufacturing apparatus for a secondary battery, wherein a coating base material delivery mechanism for delivering a coating base material at a predetermined speed and a separator at a predetermined speed. , A separator delivery mechanism for delivering the electrode substance-containing solution to the coating substrate continuously or intermittently, and a laminating mechanism for bonding the coating substrate coated with the electrode substance-containing solution and the separator. And a heating mechanism for fixing the electrode substance by heating the electrode substance-containing solution applied to the coating substrate, and winding for winding the electrode composite material in which the coating substrate, the electrode substance and the separator are integrated. And a take-off mechanism.
【００１３】また、本発明の二次電池用電極複合材製造
装置は請求項４に記載されているようにラミネート機構
が、セパレーターが塗工機構において塗工基材に塗布さ
れた電極物質含有溶液が未固化の状態で貼り合わされる
位置に設置された構成にしてある。Further, in the apparatus for producing an electrode composite material for a secondary battery according to the present invention, as described in claim 4, an electrode substance-containing solution in which a laminating mechanism is applied and a separator is applied to a coating base material in the coating mechanism. Are installed in a position where they are stuck in an unsolidified state.
【００１４】[0014]
【発明の実施の形態】図１は本発明の二次電池用電極複
合材製造装置の一つであるリチウムイオン二次電池用電
極複合材製造装置の構成の１実施形態を示す概略図であ
って、リチウムイオン二次電池用電極複合材製造装置は
正極塗工基材または負極塗工基材である塗工基材１１０
を所定の速度で送出する塗工基材送出機構１と、正電極
物質または負電極物質が含有された電極物質含有溶液３
００を連続または間欠的に塗布する塗工機構２と、絶縁
用のセパレーター２１０を所定の速度で送出するセパレ
ーター送出機構３と、電極物質含有溶液３００が塗布さ
れた塗工基材１１０とセパレーター２１０とを貼り合わ
せるラミネート機構４と、塗工基材１１０に塗布された
電極物質含有溶液３００を加熱して電極物質を固着させ
る加熱機構５と、塗工基材１１０と電極物質３１０とセ
パレーター２１０とが一体物となった電極複合材４００
をロール状に巻き取る巻き取り機構６とを備えた構成に
なっており、二次電池用電極複合材製造方法における塗
工基材を所定の速度で送出する塗工基材送出工程、セパ
レーターを所定の速度で送出するセパレーター送出工
程、電極物質含有溶液を塗工基材に連続または間欠的に
塗布する塗工工程、電極物質含有溶液が塗布された塗工
基材とセパレーターとを貼り合わせるラミネート工程、
塗工基材に塗布された電極物質含有溶液を加熱して電極
物質を固着させる加熱工程、塗工基材と電極物質とセパ
レーターとが一体物となった電極複合材を巻き取る巻き
取り工程に対応するようになっている。1 is a schematic diagram showing one embodiment of the configuration of an electrode composite material manufacturing apparatus for a lithium ion secondary battery, which is one of the secondary battery electrode composite material manufacturing apparatuses of the present invention. The apparatus for manufacturing an electrode composite material for a lithium-ion secondary battery includes a coating substrate 110 that is a positive electrode coating substrate or a negative electrode coating substrate.
Coating material delivery mechanism 1 for delivering the material at a predetermined speed, and an electrode material-containing solution 3 containing a positive electrode material or a negative electrode material
00 for continuously or intermittently applying 00, a separator delivery mechanism 3 for delivering an insulating separator 210 at a predetermined speed, a coating substrate 110 on which an electrode substance-containing solution 300 is applied, and a separator 210. A laminating mechanism 4 for adhering to each other, a heating mechanism 5 for fixing the electrode substance by heating the electrode substance-containing solution 300 applied to the coating substrate 110, the coating substrate 110, the electrode substance 310, and the separator 210. Electrode composite material 400 in which
And a take-up mechanism 6 for taking up the roll in a roll shape, and a coating base material delivery step of delivering a coating base material at a predetermined speed in a method for producing an electrode composite material for a secondary battery, and a separator. Separator delivery step of delivering at a predetermined speed, coating step of continuously or intermittently applying an electrode substance-containing solution to a coating substrate, laminate for laminating a coating substrate coated with an electrode substance-containing solution and a separator Process,
For heating process to fix the electrode substance by heating the electrode substance-containing solution applied on the coating substrate, winding process for winding the electrode composite material in which the coating substrate, the electrode substance and the separator are integrated. It is adapted.
【００１５】塗工基材送出機構１は集電体である正極シ
ート状物または負極シート状物である塗工基材１１０の
供給手段１０と、原反ロール１００から引き出された塗
工基材１１０を案内する第１ガイドローラ１１と、駆動
用ローラとニップローラとを備え塗工基材１１０を所定
の速度で塗工機構２に向けて走行させる第１送り手段１
２とにより構成されている。The coating base material delivery mechanism 1 is a supply means 10 for supplying a coating base material 110 which is a positive electrode sheet-like material or a negative electrode sheet-like material which is a current collector, and a coating base material which is drawn from a raw roll 100. A first feeding unit 1 that includes a first guide roller 11 that guides 110, a driving roller, and a nip roller, and runs the coating substrate 110 toward the coating mechanism 2 at a predetermined speed.
2 and.
【００１６】塗工基材１１０の供給手段１０は１本のチ
ャック軸（例えば、圧空の供給によりコアの内周面に爪
等の可動部材を押圧させて該コアを支持するエアーチャ
ック機構を備えたチャック軸）が軸受によって機枠また
は基盤に設置されているフレームに回転自在に取り付け
られており、正極シート状物または負極シート状物であ
る塗工基材１１０が巻き取られた原反ロール１００を該
チャック軸が貫通した状態で水平に支持するようになっ
ている。The supply means 10 for the coating base material 110 is provided with one chuck shaft (for example, an air chuck mechanism for supporting a movable member such as a claw by pressing compressed air against the inner peripheral surface of the core to support the core. And a chuck shaft) is rotatably attached to a machine frame or a frame installed on a base by a bearing, and a coated roll 110, which is a positive electrode sheet-shaped material or a negative electrode sheet-shaped material, is wound up. 100 is horizontally supported with the chuck shaft penetrating therethrough.
【００１７】該チャック軸はモータによって回転され所
定の速度で塗工基材１１０が送出されるようになってい
る。The chuck shaft is rotated by a motor so that the coating substrate 110 is delivered at a predetermined speed.
【００１８】該供給手段１０はコアチャックの少なくと
も一方のコアチャックが軸心長手方向に移動すると共に
該コアチャックがフレームに回転自在に取り付けられ、
塗工基材１１０が巻き取られた原反ロール１００を該コ
アチャックによって両側から水平な状態で支持する構成
のものを使用することができる。In the supply means 10, at least one of the core chucks moves in the axial longitudinal direction and the core chuck is rotatably attached to the frame.
It is possible to use a structure in which the original roll 100 on which the coating substrate 110 is wound is supported horizontally from both sides by the core chuck.
【００１９】第１ガイドローラ１１は鍔付ローラまたは
円筒ローラが軸受によって共通の機枠または単独のフレ
ームに回転自在に取り付けられいる。As the first guide roller 11, a flanged roller or a cylindrical roller is rotatably attached to a common machine frame or a single frame by bearings.
【００２０】第１送り手段１２は駆動手段であるモータ
によって回転され、軸受によって共通の機枠または単独
のフレームに取り付けられた駆動用ローラと、機枠また
は単独のフレームに形成されたガイドに沿って移動する
ように取り付けられた支持体と、該支持体に回転自在に
取り付けられ、シリンダー、スプリング、ねじ軸等の押
圧手段によって駆動用ローラに対して所定の力で押圧さ
れるニップローラとにより構成されている。The first feeding means 12 is rotated by a motor which is a driving means, and along a driving roller attached to a common machine frame or a single frame by bearings and a guide formed on the machine frame or the single frame. And a nip roller that is rotatably attached to the support and is pressed against the drive roller with a predetermined force by pressing means such as a cylinder, a spring, and a screw shaft. Has been done.
【００２１】塗工機構２は塗工基材１１０を挟んで一方
にスリットダイコータ１３の吐出口が位置し、他方にバ
ックアップローラ１４が位置するように配置され、電極
物質含有溶液を貯留する貯槽、送液用のポンプ、不純物
を除去するフイルタ、管路を切り替えるための電磁弁、
循環用の管、送液用の管等を備えた塗工液供給手段１５
が連結されている。The coating mechanism 2 is arranged such that the discharge port of the slit die coater 13 is located on one side and the backup roller 14 is located on the other side with the coating base material 110 interposed therebetween, and a storage tank for storing the electrode substance-containing solution, Pump for liquid transfer, filter for removing impurities, solenoid valve for switching pipelines,
Coating liquid supply means 15 provided with a pipe for circulation, a pipe for liquid delivery, etc.
Are connected.
【００２２】上述のスリットダイコータ１３の吐出口と
バックアップローラ１４の周面との間隔寸法は塗工基材
１１０の厚さ寸法と電極物質含有溶液の塗布量（塗布厚
さ）等に基づいて設定し、スリットダイコータ１３また
はバックアップローラ１４の少なくとも一方を移動させ
て該設定寸法になるよう調節する。The distance between the discharge port of the slit die coater 13 and the peripheral surface of the backup roller 14 is set based on the thickness of the coating substrate 110 and the coating amount (coating thickness) of the electrode substance-containing solution. Then, at least one of the slit die coater 13 and the backup roller 14 is moved to adjust to the set dimension.
【００２３】該バックアップローラ１４に代えてテフロ
ン（登録商標）樹脂コーティングのような低摩擦処理加
工が施された平坦部材を使用し、塗工基材１１０を挟ん
でスリットダイコータ１３と対向する位置に設置するこ
とができる。Instead of the backup roller 14, a flat member that has been subjected to a low friction treatment such as Teflon (registered trademark) resin coating is used, and is placed at a position facing the slit die coater 13 with the coating substrate 110 interposed therebetween. Can be installed.
【００２４】上述のスリットダイコータ方式の塗工機構
２に代えてロールコータ方式の塗工機構を使用すること
ができ、電極物質含有溶液を連続または間欠的に塗布で
きるものであればよい。Instead of the slit die coater type coating mechanism 2 described above, a roll coater type coating mechanism can be used, as long as the electrode substance-containing solution can be applied continuously or intermittently.
【００２５】セパレーター送出機構３は絶縁材である合
成樹脂シート状物であるセパレーター２１０が巻き取ら
れたリール２００を保持するリール支持手段１６と、リ
ール２００から引き出されたセパレーター２１０を案内
する第２ガイドローラ１７と、駆動用ローラとニップロ
ーラとを備えセパレーター２１０を所定の速度でラミネ
ート機構４に向けて走行させる第２送り手段１８とによ
り構成されている。The separator delivery mechanism 3 has a reel supporting means 16 for holding the reel 200 around which the separator 210, which is a synthetic resin sheet material as an insulating material, is wound, and a second means for guiding the separator 210 pulled out from the reel 200. The guide roller 17 and the second feeding means 18 which includes a driving roller and a nip roller and runs the separator 210 toward the laminating mechanism 4 at a predetermined speed.
【００２６】該リール支持手段１６は駆動手段によって
回転されるチャック軸（例えば、エアーチャック機構を
備えたチャック軸）が軸受によって機枠または基盤に設
置されているフレームに回転自在に取り付けられてお
り、セパレーター２１０の巻き取りリール２００を該チ
ャック軸が貫通した状態で水平に支持するようになって
いる。The reel supporting means 16 has a chuck shaft (for example, a chuck shaft provided with an air chuck mechanism) rotated by a driving means, which is rotatably attached to a machine frame or a frame installed on a base by a bearing. The take-up reel 200 of the separator 210 is horizontally supported with the chuck shaft passing through.
【００２７】第２ガイドローラ１７は第１ガイドローラ
１１と同様に鍔付ローラまたは円筒ローラが軸受によっ
て共通の機枠または単独のフレームに回転自在に取り付
けられいる。Similar to the first guide roller 11, the second guide roller 17 is a flanged roller or a cylindrical roller rotatably attached to a common machine frame or a single frame by bearings.
【００２８】上述のリール支持手段１６はコアチャック
の少なくとも一方のコアチャックが軸心長手方向に移動
すると共に該コアチャックがフレームに回転自在に取り
付けられ、セパレーター２１０が巻き取られたロール２
００を該コアチャックによって両側から水平な状態で支
持する構成のものを使用することができる。In the reel supporting means 16 described above, at least one core chuck of the core chucks moves in the axial longitudinal direction, the core chucks are rotatably attached to the frame, and the roll 210 around which the separator 210 is wound.
It is possible to use a structure in which 00 is supported horizontally from both sides by the core chuck.
【００２９】第２送り手段１８は第１送り手段１２と同
様に駆動手段であるモータによって回転され、軸受によ
って共通の機枠または単独のフレームに取り付けられた
駆動用ローラと、機枠または単独のフレームに形成され
たガイドに沿って移動するように取り付けられた支持体
と、該支持体に回転自在に取り付けられ、シリンダー、
スプリング、ねじ軸等の押圧手段によって駆動用ローラ
に対して所定の力で押圧されるニップローラとにより構
成されている。Like the first feeding means 12, the second feeding means 18 is rotated by a motor, which is a driving means, and a driving roller attached to a common machine frame or a single frame by bearings, and a machine frame or a single frame. A support attached so as to move along a guide formed on the frame, and a cylinder rotatably attached to the support,
It is composed of a nip roller which is pressed against the driving roller by a predetermined force by pressing means such as a spring and a screw shaft.
【００３０】ラミネート機構４は駆動手段であるモータ
によって回転され、軸受によって共通の機枠または単独
のフレームに取り付けられたローラによって構成されて
おり、塗工基材１１０に塗布された電解物質含有溶液３
００が未固化の状態でセパレーター２１０が貼り合わさ
れた状態で該ローラに送り込まれる位置に設置されてい
る。The laminating mechanism 4 is rotated by a motor as a driving means, and is constituted by rollers attached to a common machine frame or a single frame by bearings, and the electrolytic substance-containing solution applied to the coating base material 110. Three
00 is in a non-solidified state, and is placed at a position where the separator 210 is fed to the roller in a state where the separator 210 is stuck.
【００３１】該ローラはステンレス鋼等により製作して
表面を研磨処理したもの、鋼材により製作して表面にク
ロームメッキ処理を施したものを使用する。The roller is made of stainless steel or the like and has its surface polished, or is made of steel and has its surface plated with chrome.
【００３２】該ラミネート機構４に代えて、駆動手段で
あるモータによって回転され、軸受によって共通の機枠
または単独のフレームに取り付けられた駆動用ローラ
と、機枠または単独のフレームに形成されたガイドに沿
って移動するように取り付けられた支持体と、該支持体
に回転自在に取り付けられ、シリンダー、スプリング、
ねじ軸等の押圧手段によって駆動用ローラに対して所定
の力で押圧されるニップローラとにより構成されものを
使用するすることができる。Instead of the laminating mechanism 4, a driving roller rotated by a motor as a driving means and attached to a common machine frame or a single frame by a bearing, and a guide formed on the machine frame or a single frame. A support attached so as to move along a cylinder, and a cylinder, a spring, which is rotatably attached to the support.
A nip roller that is pressed against the driving roller with a predetermined force by pressing means such as a screw shaft can be used.
【００３３】この場合、電極物質含有溶液３００あるい
は電極物質３１０がセパレーター２１０の孔部あるいは
両端部等から流出あるいは滲み出たりすることがないよ
うにニップ圧を調節する必要がある。In this case, it is necessary to adjust the nip pressure so that the electrode substance-containing solution 300 or the electrode substance 310 does not flow out or ooze out from the holes or both ends of the separator 210.
【００３４】加熱機構５は塗工基材１１０が水平方向に
走行する間に塗布された電極物質含有溶液３００を加熱
して塗工基材１１０とセパレーター２１０とに電極物質
３１０を固着させる加熱室２２と、仕切板２０、２１に
よって該加熱室２２と分離されて熱風が塗工基材１１０
の出入り口から流出するのを防止するシール室２３、２
４とが形成された加熱箱本体１９と、送風用のフアンと
加熱用空気、ガス等の気体を所定の温度にする加熱器と
加熱された気体を加熱室２２内に供給するダクトとから
なる熱風供給手段２５と、排気用のフアンとシール室２
３、２４とを連結するダクトからなる排気手段２６、２
７とを備えた構成になっている。The heating mechanism 5 is a heating chamber that heats the electrode material-containing solution 300 applied while the coating base material 110 travels in the horizontal direction to fix the electrode material 310 to the coating base material 110 and the separator 210. 22 and the partition plates 20 and 21 separate the heating chamber 22 from the heating chamber 22 so that hot air is applied to the coating substrate 110.
Sealing chambers 23, 2 that prevent outflow from the doorway
4, a heating box main body 19 in which is formed, a fan for blowing air, a heater for heating a gas such as heating air and gas to a predetermined temperature, and a duct for supplying the heated gas into the heating chamber 22. Hot air supply means 25, exhaust fan and seal chamber 2
Exhaust means 26, 2 composed of ducts connecting 3, 24
7 and 7.
【００３５】該加熱室２２には熱風を塗工基材１１０の
片面または両面に向けて吹き出すためのノズルを適宜設
置することができる。A nozzle for blowing hot air toward one side or both sides of the coating substrate 110 can be appropriately installed in the heating chamber 22.
【００３６】上述の排気手段２６が作動すると加熱箱本
体１９の入口から外気が吸い込まれると共に仕切板２０
の開口部から加熱室２２内の熱風が吸い込まれて排出さ
れ、排気手段２７が作動すると加熱箱本体１９の出口か
ら外気が吸い込まれると共に仕切板２１の開口部から加
熱室２２内の熱風が吸い込まれて排出される。そのた
め、加熱室２２内の熱風が加熱箱本体１９の入口および
出口から流出するのを防止することができる。When the above-mentioned exhaust means 26 is operated, outside air is sucked in through the inlet of the heating box body 19 and the partition plate 20.
The hot air in the heating chamber 22 is sucked and discharged from the opening of the heating chamber 22, and when the exhaust means 27 operates, the outside air is sucked from the outlet of the heating box body 19 and the hot air in the heating chamber 22 is sucked from the opening of the partition plate 21. Are discharged. Therefore, hot air in the heating chamber 22 can be prevented from flowing out from the inlet and the outlet of the heating box body 19.
【００３７】上述の熱風による加熱に代えて電気発熱体
（抵抗発熱加熱、遠赤外線加熱等）による加熱等にする
ことができ、加熱室の出入り口からの熱の流出が少ない
場合はシール室を省略することができる。Instead of the above-mentioned heating with hot air, heating with an electric heating element (resistance heating, far-infrared heating, etc.) can be used. If the heat flow from the inlet / outlet of the heating chamber is small, the seal chamber is omitted. can do.
【００３８】また、加熱機構５に代えて加熱箱本体１９
内に回転自在なロールを複数本設置し、塗工基材１１０
に塗布された電解物質含有溶液３００上にセパレーター
２１０が貼り合わされたされたものを水平な状態で支持
しながら搬送し、熱風によって電解物質含有溶液３００
を加熱して電解物質３１０を塗工基材１１０、セパレー
ター２１０に固着させるローラサポート方式の加熱機
構、熱風噴射用ノズルあるいは圧空噴射用ノズルが上下
に所定の間隔を持って設置され、塗工基材１１０に塗布
された電解物質含有溶液３００上にセパレーター２１０
が貼り合わされたものを水平な状態で浮遊させて搬送
し、熱風によって電解物質含有溶液３００を加熱して電
解物質３１０を塗工基材１１０、セパレーター２１０に
固着させるフローティング方式の加熱機構、あるいは両
者併用方式の加熱機構を使用することができる。Further, instead of the heating mechanism 5, the heating box main body 19
A plurality of rotatable rolls are installed inside the coated substrate 110
The electrolytic substance-containing solution 300 applied on the substrate is conveyed while being supported in a horizontal state while being supported in a horizontal state, and the electrolytic substance-containing solution 300 is heated by hot air.
A roller support type heating mechanism for heating the electrolyte 310 to fix the electrolytic substance 310 to the coating substrate 110 and the separator 210, a hot air jet nozzle or a compressed air jet nozzle are installed at a predetermined interval vertically, A separator 210 on the electrolyte-containing solution 300 applied to the material 110.
Floating type heating mechanism for adhering the adhered material to the coating substrate 110 and the separator 210 by heating the electrolytic material-containing solution 300 by hot air to convey the adhered material in a horizontal state, or both. A combined heating mechanism can be used.
【００３９】巻き取り機構６は供給手段１０と同様に１
本のチャック軸（例えば、エアーチャック機構を備えた
チャック軸）が軸受によって機枠または基盤に設置され
ているフレームに回転自在に取り付けられており、塗工
基材１１０と電極物質３１０とセパレーター２１０とが
一体物に固着された電極複合材４００を巻き取るための
コアを該チャック軸が貫通した状態で水平に支持するよ
うになっている。該チャック軸はモータによって回転さ
れ所定の速度で電極複合材４００が巻き取られるように
なっている。The winding mechanism 6 has the same structure as that of the supplying means 10.
A book chuck shaft (for example, a chuck shaft equipped with an air chuck mechanism) is rotatably attached to a machine frame or a frame installed on a base by bearings, and the coating base material 110, the electrode material 310, and the separator 210. Are horizontally supported in a state in which the chuck shaft penetrates a core for winding the electrode composite material 400 fixed to the integrated body. The chuck shaft is rotated by a motor to wind the electrode composite material 400 at a predetermined speed.
【００４０】該巻き取り機構６はコアチャックの少なく
とも一方のコアチャックが軸心長手方向に移動すると共
に該コアチャックがフレームに回転自在に取り付けら
れ、電極複合材４００の巻き取り用コアが該コアチャッ
クによって両側から水平な状態で支持する構成のものを
使用することができる。In the winding mechanism 6, at least one of the core chucks moves in the axial longitudinal direction and the core chuck is rotatably attached to the frame, and the winding core of the electrode composite material 400 is the core. It is possible to use a structure in which the chuck is supported horizontally from both sides.
【００４１】巻き取り機構６の出口部には第３送り手段
２８が設置され、塗工基材１１０と電極物質３１０とセ
パレーター２１０とが一体物に固着された電極複合材４
００を所定の速度で引き取って巻き取り機構６に送るよ
うになっている。A third feeding means 28 is installed at the outlet of the winding mechanism 6, and the coating base material 110, the electrode material 310, and the separator 210 are integrally fixed to the electrode composite material 4.
00 is picked up at a predetermined speed and sent to the winding mechanism 6.
【００４２】該第３送り手段２８は第１送り手段１２、
第２送り手段１８と同様に駆動手段であるモータによっ
て回転され、軸受によって共通の機枠または単独のフレ
ームに取り付けられた駆動用ローラと、機枠または単独
のフレームに形成されたガイドに沿って移動するように
取り付けられた支持体と、該支持体に回転自在に取り付
けられ、シリンダー、スプリング、ねじ軸等の押圧手段
によって駆動用ローラに対して所定の力で押圧されるニ
ップローラとにより構成されている。The third feeding means 28 is the first feeding means 12,
Similar to the second feeding means 18, it is rotated by a motor which is a driving means and is attached to a common machine frame or a single frame by a bearing by a driving roller, and a guide formed on the machine frame or the single frame. It is composed of a support member that is attached so as to move, and a nip roller that is rotatably attached to the support member and is pressed against the drive roller with a predetermined force by pressing means such as a cylinder, a spring, and a screw shaft. ing.
【００４３】上述の第１ガイドローラ１１、第２ガイド
ローラ１７または第１送り手段１２、第２送り手段１
８、第３送り手段２８の少なくともどちらか一方は蛇行
修正機能を有する構成にするのが好ましい。The above-mentioned first guide roller 11, second guide roller 17 or first feeding means 12, second feeding means 1
It is preferable that at least one of the eighth and third feeding means 28 has a meandering correction function.
【００４４】第３送り手段２８と巻き取り機構６との間
に第３ガイドローラを設置すること、第３送り手段２８
に代えて第３ガイドローラを設置することは可能であ
る。Installation of a third guide roller between the third feeding means 28 and the winding mechanism 6,
It is possible to install the 3rd guide roller instead of.
【００４５】上述の第１ガイドローラ１１、第２ガイド
ローラ１７、ラミネート機構４のローラ等には張力検出
手段、蛇行量検出手段、塗布位置検出手段の内の少なく
とも一つの手段が設置されている。At least one of a tension detecting means, a meandering amount detecting means, and a coating position detecting means is installed on the first guide roller 11, the second guide roller 17, the roller of the laminating mechanism 4 and the like. .
【００４６】該ローラに設置された張力検出手段、蛇行
量検出手段、塗布位置検出手段によって塗工基材１１０
に対する電極物質含有溶液３００の塗布位置、塗工基材
１１０とセパレーター２１０との貼り合わせ位置が一致
すると共に弛み、ズレ等が生じないように供給手段１
０、第１送り手段１２による塗工基材１１０の搬送速
度、塗工機構２による塗布間隔、塗布量の制御、第２供
給手段１６、第２送り手段１８によるセパレーター２１
０の搬送速度制御、蛇行修正制御等が行われるようにな
っている。The coating substrate 110 is provided with a tension detecting means, a meandering amount detecting means, and a coating position detecting means installed on the roller.
The supply position of the electrode substance-containing solution 300 with respect to the same and the attachment position of the coating base material 110 and the separator 210 are the same, and the supply means 1 is provided so as not to cause slack or displacement.
0, the conveyance speed of the coating substrate 110 by the first feeding means 12, the coating interval by the coating mechanism 2, the control of the coating amount, the second supply means 16, the separator 21 by the second feeding means 18.
The transport speed control of 0, the meandering correction control, and the like are performed.
【００４７】上述の塗工基材送出機構１、セパレーター
送出機構３の送出速度制御、巻き取り機構６の巻き取り
速度制御、ラミネータ機構４および第３送り手段２８の
送り速度制御、塗工機構２の塗布量、塗布液の間欠吐出
タイミング制御等は設定値入力機能、記憶機能、比較演
算機能、動作指令出力機能等を備えた制御装置あるいは
コンピュータにより行うようになっている。The above-mentioned coating substrate feeding mechanism 1, separator feeding mechanism 3 feeding speed control, winding mechanism 6 winding speed control, laminator mechanism 4 and third feeding means 28 feeding speed control, coating mechanism 2 The coating amount, the intermittent discharge timing control of the coating liquid, and the like are performed by a controller or a computer having a set value input function, a storage function, a comparison calculation function, an operation command output function, and the like.
【００４８】上述の二次電池用電極複合材製造装置によ
って正極電極複合材または負極電極複合材を製造する場
合は、予め集電材である正極シート状物あるいは負極シ
ート状物の塗工基材１１０が巻き取られた原反ロール１
００を塗工基材送出機構１における供給手段１０のチャ
ック軸に取り付けると、セパレーター２１０が巻き取ら
れたリール２００をセパレーター送出機構３におけるリ
ール支持手段１６のチャック軸に取り付ける。When the positive electrode composite material or the negative electrode composite material is manufactured by the above-described secondary battery electrode composite material manufacturing apparatus, the positive electrode sheet-shaped material or the negative electrode sheet-shaped coated base material 110 which is a current collector is previously prepared. Original roll 1
When 00 is attached to the chuck shaft of the supply means 10 in the coating substrate delivery mechanism 1, the reel 200 around which the separator 210 is wound is attached to the chuck shaft of the reel support means 16 in the separator delivery mechanism 3.
【００４９】また、塗工機構２における塗布液供給手段
１５に正極電極物質含有溶液（正極活物質、導電材、結
着材、分散材等を含有する溶液）または負極電極物質含
有溶液（負極活物質、導電材、結着材、分散材等を含有
する溶液）である電極物質含有溶液３００を貯槽に貯留
する。Further, a solution containing a positive electrode material (a solution containing a positive electrode active material, a conductive material, a binder, a dispersion material, etc.) or a negative electrode material containing solution (a negative electrode active material) is applied to the coating liquid supplying means 15 in the coating mechanism 2. An electrode material-containing solution 300, which is a solution containing a substance, a conductive material, a binder, a dispersion material, etc.) is stored in a storage tank.
【００５０】該原反ロール１００の集電材はステンレス
鋼、ニッケル、チタン、アルミニウム、銅等の箔が好ま
しく、表面処理を施した材料を使用することができる。The current collector of the original roll 100 is preferably a foil of stainless steel, nickel, titanium, aluminum, copper or the like, and a surface-treated material can be used.
【００５１】上述の正極電極物質含有溶液を形成する正
極活性質としては遷移金属のリチウム酸化物であるマン
ガン酸リチウム（ＬｉＭｎ２Ｏ２）、コバルト酸リチウ
ム（ＬｉＣｏＯ２）、ニッケル酸（ＬｉＮｉＯ２）等が
好ましい。また、負極電極物質含有溶液を形成する負極
活性質としてはリチウムイオン吸蔵能を示す炭素材料で
あるコークス系炭素、黒鉛系炭素が好ましい。As the positive electrode active material forming the above-mentioned solution containing the positive electrode material, lithium manganate (LiMn 2 O 2 ), lithium cobalt oxide (LiCoO 2 ), nickel acid (LiNiO 2 ) which is a lithium oxide of a transition metal is used. Etc. are preferred. In addition, as the negative electrode active material forming the negative electrode material-containing solution, coke-based carbon or graphite-based carbon, which is a carbon material having a lithium ion storage capacity, is preferable.
【００５２】導電材としては電子伝導性の公知の物質で
ある天然黒鉛、カーボンブラック、アセチレンブラック
等が好ましい。As the conductive material, natural graphite, carbon black, acetylene black and the like, which are known substances having electron conductivity, are preferable.
【００５３】結着材としてはポリテトラフルオリレン
（ＴＨＦＥ）、ポリフッ化ビニリデン（ＰＶＤＦ）、ヘ
キサフロロプロピレン（ＨＦＰ）等の溶液あるいはこれ
等の共重合体溶液が好ましい。As the binder, a solution of polytetrafluorylene (THFE), polyvinylidene fluoride (PVDF), hexafluoropropylene (HFP) or a copolymer solution of these is preferable.
【００５４】分散材としては結着材が溶解可能な有機溶
媒が適切であり、アセトン、メルエチルケトン（ＭＥ
Ｋ）、テトラヒドロフラン（ＴＨＦ）、ジメチルホルム
アミド、ジメチルアセタアミド、テトラメチル尿素、リ
ン酸トリメチル、Ｎ―メチルピロリドン（ＮＭＰ）等が
好ましい。As the dispersant, an organic solvent capable of dissolving the binder is suitable, and acetone, melethylketone (ME
K), tetrahydrofuran (THF), dimethylformamide, dimethylacetamide, tetramethylurea, trimethyl phosphate, N-methylpyrrolidone (NMP) and the like are preferable.
【００５５】セパレーター２１０は多孔質の絶縁材料で
あるポリプロピレン、ポリエチレン等の不織布、織物あ
るいはポリプロピレン、ポリエチレン等の多孔質フイル
ムを使用することができる。As the separator 210, a non-woven fabric such as polypropylene or polyethylene, a woven fabric, or a porous film such as polypropylene or polyethylene, which is a porous insulating material, can be used.
【００５６】上述の操作が済むと、原反ロール１００か
ら塗工基材１１０の先端部（引き出し側）に通し作業用
の未処理シート部が設けられている場合は該原反ロール
１００から未処理シート部を引き出し、未処理シート部
が形成されていない場合は塗工基材１１０の先端部にリ
ードフイルムを貼り付けて第１ガイドローラ１１、第１
送り手段１２に掛け渡し、次いで、塗工機構２における
スリットダイコータ１３とバックアップローラ１４の間
を通してラミネート機構４に掛け渡すと、加熱機構５の
加熱箱本体１９内を通して第３送り手段２８に掛け渡
し、巻き取り機構６のチャック軸に保持されているコア
に巻き付ける。After the above-mentioned operation is completed, when an untreated sheet portion for passing work is provided from the original roll 100 to the front end portion (drawing side) of the coating substrate 110, the original roll 100 is not yet processed. The treated sheet portion is pulled out, and when the untreated sheet portion is not formed, the lead film is attached to the leading end portion of the coating base material 110, and the first guide roller 11 and the first guide roller 11 are provided.
When it is passed over the feeding means 12 and then passed over the laminating mechanism 4 through the slit die coater 13 and the backup roller 14 in the coating mechanism 2, it is passed over the third feeding means 28 through the inside of the heating box body 19 of the heating mechanism 5. , Winding on the core held by the chuck shaft of the winding mechanism 6.
【００５７】該塗工基材１１０の引き出し巻き付け操作
が済むと、リール２００からセパレーター２１０の先端
部（引き出し側）に通し作業用の未処理シート部が設け
られている場合は該リール２００から未処理シート部を
引き出し、未処理シート部が形成されていない場合はセ
パレーター２１０の先端部にリードフイルムを貼り付け
て第２ガイドローラ１７、第２送り手段１８に掛け渡す
と、塗工基材１１０の未処理シート部またはリードフイ
ルム上に重ね合わせるようにしてラミネート機構４に掛
け渡し、次いで、加熱機構５の加熱箱本体１９内を通し
て第３送り手段２８に掛け渡し、巻き取り機構６のチャ
ック軸に保持されているコアに巻き付ける。When the operation of pulling out and winding the coated base material 110 is completed, if there is an unprocessed sheet portion for threading work from the reel 200 to the tip of the separator 210 (on the pulling side), the reel 200 is unwound. When the treated sheet portion is pulled out, and when the untreated sheet portion is not formed, the lead film is attached to the tip end portion of the separator 210, and the lead film is passed over the second guide roller 17 and the second feeding means 18. Of the unprocessed sheet portion or the lead film so as to be superposed on the laminating mechanism 4 and then passed through the inside of the heating box body 19 of the heating mechanism 5 to the third feeding means 28, and the chuck shaft of the winding mechanism 6 Wrap around the core that is held in.
【００５８】これ等の準備ができると、塗工基材送出機
構１の供給手段１０と第１送り手段１２、セパレーター
送出機構２のリール支持機構１６と第２送り手段１８、
第３送り手段２８および巻き取り機構６を作動させて塗
工基材１１０およびセパレーター２１０の未処理シート
部またはリードフイルムを巻き取る。When these are ready, the supplying means 10 and the first feeding means 12 of the coating substrate feeding mechanism 1, the reel supporting mechanism 16 and the second feeding means 18 of the separator feeding mechanism 2,
The third feeding means 28 and the winding mechanism 6 are operated to wind up the untreated sheet portion of the coated substrate 110 and the separator 210 or the lead film.
【００５９】そして、電極物質含有溶液３００を塗布可
能な塗工基材１１０が塗工機構２の塗工位置に来ると、
塗工機構２の塗工液供給手段１５が作動して管路が切り
替えられてスリットダイコータ１３から正極電極物質含
有溶液または負極電極物質含有溶液である電極物質含有
溶液３００が吐出されて塗工基材１１０に塗布される。Then, when the coating substrate 110 capable of applying the electrode substance-containing solution 300 reaches the coating position of the coating mechanism 2,
The coating liquid supply means 15 of the coating mechanism 2 is operated to switch the pipeline, and the slit die coater 13 discharges the electrode substance containing solution 300, which is the positive electrode substance containing solution or the negative electrode substance containing solution, to form the coating substrate. It is applied to the material 110.
【００６０】該電極物質含有溶液３００が塗布された塗
工基材１１０がラミネート機構４に向かって送られる
と、ラミネート機構４の直前でセパレーター２１０が未
固化状の電極物質含有溶液３００上に重ね合わされ、ラ
ミネート機構４のローラ周面において塗工基材１１０と
電極物質含有溶液３００の間または電極物質含有溶液３
００とセパレーター２１０の間の少なくとも一方、望ま
しくは両方に気泡等が存在しないように加圧された状態
で貼り合わされる。When the coating substrate 110 coated with the electrode substance containing solution 300 is sent toward the laminating mechanism 4, the separator 210 is superposed on the unsolidified electrode substance containing solution 300 immediately before the laminating mechanism 4. Between the coating base material 110 and the electrode substance containing solution 300 or the electrode substance containing solution 3 on the roller peripheral surface of the laminating mechanism 4.
00 and the separator 210, and preferably both are bonded in a pressurized state so that bubbles and the like do not exist.
【００６１】該塗工基材１１０と電極物質含有溶液３０
０とセパレーター２１０とが貼り合わされた状態で加熱
機構５に搬送されると熱風によって加熱され、分散材が
蒸発して図２に示されるような電極物質３１０（正極活
物質と導電材と結着材または負極活物質と導電材と結着
材）が所定の厚さを有する状態で該塗工基材１１０とセ
パレーター２１０とに固着されて電極複合材４００とな
り巻き取り機構６に巻き取られる。The coating substrate 110 and the electrode substance-containing solution 30
0 and the separator 210 are transferred to the heating mechanism 5 in a state where they are bonded to each other, they are heated by hot air, the dispersion material evaporates, and the electrode material 310 (bonding the positive electrode active material and the conductive material) as shown in FIG. The material or the negative electrode active material, the conductive material, and the binder) are fixed to the coating base material 110 and the separator 210 in a state of having a predetermined thickness, and become the electrode composite material 400 and are wound up by the winding mechanism 6.
【００６２】上述の電極複合材４００の製造操作におい
ては所定の位置（第１ガイドローラ１１、第２ガイドロ
ーラ１７、ラミネート機構４、巻き取り機構６等に設置
された張力検出手段、蛇行量検出手段、塗布位置検出手
段等によって電極物質含有溶液３００の塗布位置、塗布
量および塗工基材１１０とセパレーター２１０との貼り
合わせ位置に変化が生じないように塗工基材送出機構
１、セパレーター送出機構３、ラミネート機構４、巻き
取り機構６等の速度制御、蛇行修正制御が行われると共
に塗工機構２の吐出制御が行われる。In the above-described manufacturing operation of the electrode composite material 400, a predetermined position (a tension detecting means installed in the first guide roller 11, the second guide roller 17, the laminating mechanism 4, the winding mechanism 6, etc., a meandering amount detection) Means, a coating position detection means, etc., so that the coating position of the electrode substance-containing solution 300, the coating amount, and the bonding position of the coating substrate 110 and the separator 210 do not change, the coating substrate feeding mechanism 1, the separator feeding The speed control and meandering correction control of the mechanism 3, the laminating mechanism 4, the winding mechanism 6 and the like are performed, and the ejection control of the coating mechanism 2 is performed.
【００６３】上述の実施形態においてはセパレーター２
１０をリール２００から引き出して塗工基材１１０と重
ね合わせた状態でラミネート機構４、第３送り手段２８
に掛け渡して巻き取り機構６に巻き付けた状態で運転を
開始したが、塗工基材１１０のみをラミネート機構４、
第３送り手段２８に掛け渡して巻き取り機構６に巻き付
け、セパレーター２１０をリール２００から引き出した
状態で運転を開始し、該塗工基材１１０が塗工機構２の
塗工位置にきて塗工機構２によって電極物質含有溶液３
００が塗布されると該セパレーター２１０を重ね合わせ
てラミネート機構４に送り込んで貼り合わせ、加熱機構
５によって加熱して分散材が蒸発されて電極物質３１０
が該塗工基材１１０とセパレーター２１０とに固着され
て電極複合材４００となったものを巻き取り機構６に巻
き取られるようにすることができる。In the above-described embodiment, the separator 2
In the state where 10 is pulled out from the reel 200 and overlapped with the coating substrate 110, the laminating mechanism 4 and the third feeding means 28
The operation was started in a state in which the coating base material 110 was wound around the winding mechanism 6 and was wound around the winding mechanism 6, but only the coating substrate 110 was laminated to the laminating mechanism 4.
The operation is started in a state in which it is wound around the winding mechanism 6 by being wound around the third feeding means 28, and the separator 210 is pulled out from the reel 200, and the coating base material 110 comes to the coating position of the coating mechanism 2 and is coated. Electrode material-containing solution 3 by mechanism 2
When 00 is applied, the separator 210 is superposed and sent to the laminating mechanism 4 for bonding, and is heated by the heating mechanism 5 to evaporate the dispersion material and thus the electrode material 310.
The electrode composite material 400 fixed to the coating substrate 110 and the separator 210 can be wound up by the winding mechanism 6.
【００６４】[0064]
【発明の効果】本発明の二次電池用電極複合材製造方法
は請求項１に記載されているように塗工基材を所定の速
度で送出する塗工基材送出工程と、セパレーターを所定
の速度で送出するセパレーター送出工程と、電極物質含
有溶液を塗工基材に連続または間欠的に塗布する塗工工
程と、電極物質含有溶液が塗布された塗工基材とセパレ
ーターとを貼り合わせるラミネート工程と、塗工基材に
塗布された電極物質含有溶液を加熱して電極物質を固着
させる加熱工程と、塗工基材と電極物質とセパレーター
とが一体物となった電極複合材を巻き取る巻き取り工程
とにより製造するようにしているため、後工程において
ラミネート機構を設置する必要がなくなり加工工程を減
少させることができると共に、セパレータを効率よく確
実に電極物質に張り合わせることができる。As described in claim 1, the method for producing an electrode composite material for a secondary battery according to the present invention comprises a step of feeding a coating base material at a predetermined speed and a predetermined separator. The separator feeding step of feeding at a speed of, the coating step of applying the electrode substance-containing solution to the coating substrate continuously or intermittently, and the coating substrate coated with the electrode substance-containing solution and the separator are bonded together. Laminating step, heating step for heating the electrode material-containing solution applied to the coating base material to fix the electrode material, and winding the electrode composite material in which the coating base material, the electrode material and the separator are integrated. Since it is manufactured by a winding process that takes up, it is not necessary to install a laminating mechanism in a later process, and it is possible to reduce the number of processing steps, and the separator is efficiently and surely attached to the electrode material. It can be matched.
【００６５】また、本発明の二次電池用電極複合材製造
方法は請求項２に記載されているようにセパレーター
が、塗工工程で塗工基材に塗布された電極物質含有溶液
が未固化の状態でラミネート工程において貼り合わされ
るようにしているため、セパレータを電極物質によって
確実に固着することができると共に、セパレータが電解
物質の補強材として機能するため、後工程における切断
操作の際に電解物質が脱落したりバリが発生するのを防
止することができる。このため、二次電池として形成さ
れた時に短絡による電池の破損を低減することが可能に
なる。Further, in the method for producing an electrode composite material for a secondary battery according to the present invention, as described in claim 2, the separator is the electrode material-containing solution applied to the coating base material in the coating step is not solidified. In this state, the separators can be bonded together in the laminating process, so that the separator can be firmly fixed by the electrode material, and the separator functions as a reinforcing material for the electrolytic substance, so that the electrolytic treatment is performed during the cutting operation in the subsequent process. It is possible to prevent the material from falling off and burrs from being generated. Therefore, it is possible to reduce damage to the battery due to a short circuit when the battery is formed as a secondary battery.
【００６６】本発明の二次電池用電極複合材製造装置は
請求項３に記載されているように塗工基材を所定の速度
で送出する塗工基材送出機構と、セパレーターを所定の
速度で送出するセパレーター送出機構と、電極物質含有
溶液を塗工基材に連続または間欠的に塗布する塗工機構
と、電極物質含有溶液が塗布された塗工基材とセパレー
ターとを貼り合わせるラミネート機構と、塗工基材に塗
布された電極物質含有溶液を加熱して電極物質を固着さ
せる加熱機構と、塗工基材と電極物質とセパレーターと
が一体物となった電極複合材を巻き取る巻き取り機構と
を備えた構成にしているため、請求項１における効果を
確実に奏することができる。また、加工工程の減少によ
り製造装置全体をコンパクトにすることができると共に
製造装置コストおよび製造コストを低減させることがで
きる。The secondary battery electrode composite material manufacturing apparatus of the present invention has a coating base material delivery mechanism for delivering a coating base material at a predetermined speed and a separator at a predetermined speed. , A separator delivery mechanism for delivering the electrode substance-containing solution to the coating substrate continuously or intermittently, and a laminating mechanism for bonding the coating substrate coated with the electrode substance-containing solution and the separator. And a heating mechanism for fixing the electrode substance by heating the electrode substance-containing solution applied to the coating substrate, and winding for winding the electrode composite material in which the coating substrate, the electrode substance and the separator are integrated. Since it is configured to include the take-out mechanism, the effect in claim 1 can be obtained reliably. In addition, it is possible to make the entire manufacturing apparatus compact by reducing the number of processing steps, and it is possible to reduce the manufacturing apparatus cost and the manufacturing cost.
【００６７】また、本発明の二次電池用電極複合材製造
装置は請求項４に記載されているようにラミネート機構
が、セパレーターが塗工機構において塗工基材に塗布さ
れた電極物質含有溶液が未固化の状態で貼り合わされる
位置に設置された構成にしているため、請求項２におけ
る効果を確実に奏することができる。Further, in the apparatus for manufacturing an electrode composite material for a secondary battery of the present invention, as described in claim 4, the laminating mechanism is used, and the separator is applied to the coating base material in the coating mechanism. Since it has a configuration in which it is installed in a position where it is stuck in an unsolidified state, the effect in claim 2 can be obtained reliably.
【図１】本発明の二次電池用電極複合材製造装置の構成
の１実施形態を示す概略図である。FIG. 1 is a schematic view showing one embodiment of the configuration of an electrode composite material manufacturing apparatus for a secondary battery of the present invention.
【図２】塗工基材と電極物質とセパレーターとが一体物
となった電極複合材の１実施形態を示す概略断面図であ
る。FIG. 2 is a schematic cross-sectional view showing one embodiment of an electrode composite material in which a coating base material, an electrode material, and a separator are integrated.
１ 塗工基材送出機構 ２ 塗工機構 ３ セパレーター送出機構 ４ ラミネート機構 ５ 加熱機構 ６ 巻き取り機構 １０ 第１供給手段 １１ 第１ガイドローラ １２ 第１送り手段 １３ スリットダイコータ １４ バックアップローラ １５ 塗工液供給手段 １６ 第２供給手段 １７ 第２ガイドローラ １８ 第２送り手段 １９ 加熱箱本体 ２０、２１ 仕切板 ２２ 加熱室 ２３、２４ シール室 ２５ 熱風供給手段 ２６、２７ 排気手段 ２８ 第３送り手段 1 Coating substrate delivery mechanism 2 coating mechanism 3 Separator delivery mechanism 4 Laminating mechanism 5 heating mechanism 6 winding mechanism 10 First supply means 11 First guide roller 12 First feeding means 13 Slit die coater 14 Backup roller 15 Coating liquid supply means 16 Second supply means 17 Second guide roller 18 Second feeding means 19 Heating box body 20, 21 Partition board 22 heating chamber 23, 24 Seal chamber 25 Hot air supply means 26, 27 exhaust means 28 Third feeding means
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成１４年７月３日（２００２．７．３）[Submission date] July 3, 2002 (2002.7.3)
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００５３[Correction target item name] 0053
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００５３】結着材としてはポリテトラフオロエチレン
（ＴＨＦＥ）、ポリフッ化ビニリデン（ＰＶＤＦ）、ヘ
キサフロロプロピレン（ＨＦＰ）等の溶液あるいはこれ
等の共重合体溶液が好ましい。As the binder, a solution of polytetrafluoroethylene (THFE), polyvinylidene fluoride (PVDF), hexafluoropropylene (HFP) or a copolymer solution thereof is preferable.
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Claims (4)
材送出工程と、セパレーターを所定の速度で送出するセ
パレーター送出工程と、電極物質含有溶液を塗工基材に
連続または間欠的に塗布する塗工工程と、電極物質含有
溶液が塗布された塗工基材とセパレーターとを貼り合わ
せるラミネート工程と、塗工基材に塗布された電極物質
含有溶液を加熱して電極物質を固着させる加熱工程と、
塗工基材と電極物質とセパレーターとが一体物となった
電極複合材を巻き取る巻き取り工程とを包含しているこ
とを特徴とする二次電池用電極複合材製造方法。1. A coating base material delivering step of delivering a coating base material at a predetermined speed, a separator delivering step of delivering a separator at a predetermined speed, and an electrode substance-containing solution continuously or intermittently on the coating base material. Coating step of applying the electrode material-containing solution, a laminating step of pasting the coating base material and the separator coated with the electrode material-containing solution, and heating the electrode material-containing solution applied to the coating base material to form the electrode material. A heating step for fixing,
A method for producing an electrode composite material for a secondary battery, comprising: a winding step of winding an electrode composite material in which a coating base material, an electrode substance, and a separator are integrated.
塗布された電極物質含有溶液が未固化の状態でラミネー
ト工程において貼り合わされるようにせしめたことを特
徴とする請求項１に記載の二次電池用電極複合材製造方
法。2. The separator is characterized in that the electrode substance-containing solution applied to the coating substrate in the coating step is adhered in the laminating step in an unsolidified state. 2. A method for manufacturing an electrode composite material for a secondary battery.
材送出機構と、セパレーターを所定の速度で送出するセ
パレーター送出機構と、電極物質含有溶液を塗工基材に
連続または間欠的に塗布する塗工機構と、電極物質含有
溶液が塗布された塗工基材とセパレーターとを貼り合わ
せるラミネート機構と、塗工基材に塗布された電極物質
含有溶液を加熱して電極物質を固着させる加熱機構と、
塗工基材と電極物質とセパレーターとが一体物となった
電極複合材を巻き取る巻き取り機構とを備えていること
を特徴とする二次電池用電極複合材製造装置。3. A coating base material delivery mechanism for delivering a coating base material at a predetermined speed, a separator delivery mechanism for delivering a separator at a predetermined speed, and a solution containing an electrode substance continuously or intermittently on the coating base material. Coating mechanism for applying the electrode substance-containing solution, a laminating mechanism for bonding a coating base material and a separator coated with the electrode substance-containing solution, and the electrode substance-containing solution applied to the coating base material to heat the electrode substance. A heating mechanism to make it stick,
An electrode composite material manufacturing apparatus for a secondary battery, comprising: a winding mechanism that winds up an electrode composite material in which a coating base material, an electrode substance, and a separator are integrated.
機構において塗工基材に塗布された電極物質含有溶液が
未固化の状態で貼り合わされる位置に設置されているこ
とを特徴とする請求項３に記載の二次電池用電極複合材
製造装置。4. The laminating mechanism is characterized in that the separator is installed at a position where the electrode substance-containing solution applied to the coating base material in the coating mechanism is stuck in an unsolidified state. An apparatus for manufacturing an electrode composite material for a secondary battery according to 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001350591A JP2003151538A (en) | 2001-11-15 | 2001-11-15 | Manufacturing method of electrode composite for secondary battery and its device |
| PCT/JP2002/010343 WO2003043107A1 (en) | 2001-11-15 | 2002-10-03 | Method for manufacturing secondary battery electrode composite material and manufacturing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001350591A JP2003151538A (en) | 2001-11-15 | 2001-11-15 | Manufacturing method of electrode composite for secondary battery and its device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003151538A true JP2003151538A (en) | 2003-05-23 |
Family
ID=19163062
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001350591A Pending JP2003151538A (en) | 2001-11-15 | 2001-11-15 | Manufacturing method of electrode composite for secondary battery and its device |
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| WO (1) | WO2003043107A1 (en) |
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