JPH11102697A - Manufacturing apparatus of electrode element for lithium polymer battery - Google Patents

Manufacturing apparatus of electrode element for lithium polymer battery

Info

Publication number
JPH11102697A
JPH11102697A JP9262319A JP26231997A JPH11102697A JP H11102697 A JPH11102697 A JP H11102697A JP 9262319 A JP9262319 A JP 9262319A JP 26231997 A JP26231997 A JP 26231997A JP H11102697 A JPH11102697 A JP H11102697A
Authority
JP
Japan
Prior art keywords
cylindrical pressure
pressure rollers
electrode element
load
lithium polymer
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.)
Granted
Application number
JP9262319A
Other languages
Japanese (ja)
Other versions
JP3457858B2 (en
Inventor
Hajime Takayama
元 高山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FDK Twicell Co Ltd
Original Assignee
Toshiba Battery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Battery Co Ltd filed Critical Toshiba Battery Co Ltd
Priority to JP26231997A priority Critical patent/JP3457858B2/en
Publication of JPH11102697A publication Critical patent/JPH11102697A/en
Application granted granted Critical
Publication of JP3457858B2 publication Critical patent/JP3457858B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Battery Electrode And Active Subsutance (AREA)
  • Primary Cells (AREA)
  • Secondary Cells (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing apparatus that solves problems such as roller deflection and that can easily provide a high quality lithium polymer electrode element with good yield. SOLUTION: This is a manufacturing apparatus of an electrode element for lithium polymer battery that is provided with a pair of cylindrical press rollers 9a, 9b arranged in parallel facing outer surface each other, a rotational drive mechanism that drives to rotate the cylindrical press rollers 9a, 9b, a load applying mechanism 11 that applies a load in the facing surface direction on at least one of the cylindrical press rollers 9a, 9b, vibration applying mechanism 12 that applies vibration in the facing surface direction on at least one of the cylindrical press rollers 9a, 9b, laminating body feeding mechanisms 5a, 5b that feed in a laminating body 7 to form a lithium polymer electrode element between the facing surfaces of the cylindrical press rollers 9a, 9b, and further, if necessary, a heating unit attached to the laminating body feeding mechanisms 5a, 5b. One of the cylindrical press rollers 9a, 9b is slidingly supported in the facing surface direction so that a distance between the facing surfaces are optionally set according to the load and vibration.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、リチウムポリマー
電池用電極要素の製造装置に係り、さらに詳しくはポリ
マー電池用電極要素を成す積層体のラミネーション装置
に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing an electrode element for a lithium polymer battery, and more particularly, to a lamination apparatus for a laminate forming an electrode element for a polymer battery.

【0002】[0002]

【従来の技術】携帯型の電話機やテレビカメラなどの電
源としては、小形、軽量、薄型化や大容量、高電圧など
が求められており、たとえば、正極層、ポリマ−電解質
層および負極層を重ね合わせ、シート状(薄型)に一体
化した構成の電極要素を備えた厚さ 0.5mm程度のリチウ
ムポリマー型の非水溶媒電池も知られている(たとえば
米国特許第 5,296,318号明細書)。
2. Description of the Related Art Small, lightweight, thin, large-capacity, and high-voltage power sources are required for power supplies for portable telephones and television cameras. For example, a positive electrode layer, a polymer electrolyte layer, and a negative electrode layer are required. There is also known a lithium polymer type non-aqueous solvent battery having a thickness of about 0.5 mm provided with electrode elements configured to be superposed and integrated into a sheet (thin) (for example, US Pat. No. 5,296,318).

【0003】図4は、前記リチウムポリマー電解質電池
の要部構成を断面的に示したものである。図4におい
て、1はセパレーターの機能をする電解質保持性のポリ
マ・電解質系(たとえばヘキサフロロプロピレン−フッ
化ビニリデン共重合体などのポリマと、リチウム塩など
のエチレンカーボネート溶液…非水電解液…との系)、
2は金属酸化物などの活物質、非水電解液および電解質
保持性ポリマーを含む正極層を集電体に積層して成る正
極、3はリチウムイオンを吸蔵・放出する活物質、非水
電解液および電解質保持性ポリマーを含む負極層を集電
体に積層して成る負極である。
FIG. 4 is a cross-sectional view showing the structure of a main part of the lithium polymer electrolyte battery. In FIG. 4, reference numeral 1 denotes an electrolyte-retaining polymer / electrolyte system that functions as a separator (for example, a polymer such as a hexafluoropropylene-vinylidene fluoride copolymer and an ethylene carbonate solution such as a lithium salt, a nonaqueous electrolyte solution). System),
2 is a positive electrode formed by laminating a positive electrode layer containing an active material such as a metal oxide, a non-aqueous electrolyte and an electrolyte-retaining polymer on a current collector, 3 is an active material that occludes and releases lithium ions, and a non-aqueous electrolyte. And a negative electrode obtained by laminating a negative electrode layer containing an electrolyte-retaining polymer on a current collector.

【0004】ここで、正極2の活物質としては、たとえ
ばリチウムマンガン複合酸化物、二酸化マンガン、リチ
ウム含有コバルト酸化物、リチウム含有ニッケルコバル
ト酸化物、リチウムを含む非晶質五酸化バナジウム、カ
ルコゲン化合物などが挙げられる。また、負極活物質と
しては、たとえばビスフェノール樹脂、ポリアクリロニ
トリル、セルローズなどの焼成物、コークスやピッチの
焼成物が挙げられ、これらは天然もしくは人口グラファ
イト、カーボンブラック、アセチレンブラック,ケッチ
ェンブラック、ニッケル粉末、ニッケル粉末などを含有
した形態を採ってもよい。
The active material of the positive electrode 2 includes, for example, lithium manganese composite oxide, manganese dioxide, lithium-containing cobalt oxide, lithium-containing nickel cobalt oxide, lithium-containing amorphous vanadium pentoxide, chalcogen compound, etc. Is mentioned. Examples of the negative electrode active material include fired products of bisphenol resin, polyacrylonitrile, cellulose, and the like, and fired products of coke and pitch. These are natural or artificial graphite, carbon black, acetylene black, Ketjen black, nickel powder, and the like. And a form containing nickel powder or the like.

【0005】さらに、ポリマー・電解質系1は、たとえ
ばエチレンカーボネート、プロピレンカーボネート、ブ
チレンカーボネート、ジメチルカーボネート、ジエチル
カーボネート、メチルエチルカーボネートなどの非水溶
媒に、過塩素酸リチウム、六フッ化リン酸リチウム、ホ
ウ四フッ化リチウム、六フッ化ヒ素リチウム、トリフル
オロメタンスルホン酸リチウムなどを 0.2〜 2mol/ l程
度に溶解させたものが挙げられる。
[0005] Further, the polymer / electrolyte system 1 is prepared by adding lithium perchlorate, lithium hexafluorophosphate, lithium perchlorate, or the like to a non-aqueous solvent such as ethylene carbonate, propylene carbonate, butylene carbonate, dimethyl carbonate, diethyl carbonate, and methyl ethyl carbonate. Examples thereof include those in which lithium boron tetrafluoride, lithium arsenide hexafluoride, lithium trifluoromethanesulfonate, and the like are dissolved at about 0.2 to 2 mol / l.

【0006】そして、この種の軽量、フレキシブルなポ
リマー電池の製造に当たっては、電極要素のラミネーシ
ョンが前提として行われる。すなわち、電極要素である
正極2、セパレータ(ポリマ・電解質系)1および負極
3を積層状に組み合わせ、これを一体化させる。その
後、一体化された電極要素を所定の形状・寸法に切断分
離し、所要の外部用リードを付設して電池外装缶内に装
着する。次いで、所要の電解液を供給・注入した後、前
記外部用リードを導出させながら、電池外装缶の開口部
を封止することによって、ポリマー電池を製造してい
る。
[0006] In the production of this kind of lightweight and flexible polymer battery, lamination of electrode elements is premised. That is, the positive electrode 2, the separator (polymer / electrolyte system) 1, and the negative electrode 3, which are the electrode elements, are combined in a layered manner and integrated. After that, the integrated electrode element is cut and separated into a predetermined shape and dimensions, and a required external lead is attached to the electrode element and mounted in the battery outer can. Next, after supplying and injecting a required electrolyte, the polymer battery is manufactured by sealing the opening of the battery outer can while drawing out the external leads.

【0007】ところで、前記電極要素の積層一体化に
は、一般的に、パウチラミネーターを改良したラミネー
ション装置が使用されている。すなわち、前記パウチラ
ミネーターは設定された荷重領域が低く、電極要素の積
層・一体化に適さないので、設定される荷重領域を高め
た装置が使用されている。
In general, a lamination device with an improved pouch laminator is used for laminating and integrating the electrode elements. That is, the pouch laminator has a low set load area and is not suitable for stacking and integrating the electrode elements. Therefore, an apparatus in which the set load area is increased is used.

【0008】[0008]

【発明が解決しようとする課題】しかし、このパウチラ
ミネーターが具備している加圧ローラは、軟質のゴムを
ライニングしたゴムローラであるため、荷重領域をそれ
程大きくできない。したがって、全体的に一様な、積層
・一体化した電極要素を製造することは困難であり、結
果的に、性能にバラツキをと生じるなどし、高品質なポ
リマー電池を歩留まりよく提供できないという問題があ
る。
However, since the pressure roller provided in this pouch laminator is a rubber roller lined with soft rubber, the load area cannot be so large. Therefore, it is difficult to manufacture a uniform, laminated and integrated electrode element as a whole, resulting in variations in performance and the like, which makes it impossible to provide a high-quality polymer battery with a high yield. There is.

【0009】また、前記ゴムローラの代わりに、金属製
のソリッドローラを使用することも試みられているが、
ローラ幅に対してローラの剛性が低いため、ローラに撓
みが発生して、全幅に亘って均一な荷重を加えることが
できないという問題がある。さらに、電極要素の積層・
一体化にカレンダープレスを使用することも考えられ
る。しかし、カレンダープレスは、一般にギャップ規制
で、かつ設定荷重領域が比較的高いため、そのままでは
電極要素の積層・一体化に適さないし、ローラ幅が広い
場合は、設備の大型化とともに、撓みの問題もあって適
さない。
[0009] It has been attempted to use a metal solid roller instead of the rubber roller.
Since the rigidity of the roller is low relative to the width of the roller, there is a problem that the roller bends and a uniform load cannot be applied over the entire width. In addition, lamination of electrode elements
It is also conceivable to use a calendar press for integration. However, calender presses are generally not suitable for lamination and integration of electrode elements as they are because of the gap regulation and the set load area is relatively high. It is not suitable.

【0010】いずれにしても、上記の各手段では、荷重
規制やローラ撓みなどの問題があって、歩留まりよく高
品質な電極要素、強いてはポリマー電池の量産性向上な
どの点から、有効なリチウムポリマー電池用の電極要素
のラミネーション装置(製造装置)の開発が待たれてい
るといえる。
In any case, in each of the above-mentioned means, there are problems such as load regulation and roller deflection, and from the viewpoint of improving the yield of high-quality electrode elements and improving the mass productivity of polymer batteries, effective lithium is effective. It can be said that development of an electrode element lamination device (production device) for a polymer battery is awaited.

【0011】本発明は、このような事情に対処してなさ
れたもので、ローラ撓みなどの問題を解消し、歩留まり
よく高品質なリチウムポリマー電池用の電極要素を容易
に得ることができる製造装置の提供を目的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and is a manufacturing apparatus capable of solving problems such as roller deflection and easily obtaining a high-quality electrode element for a lithium polymer battery with high yield. The purpose is to provide.

【0012】[0012]

【課題を解決するための手段】請求項1の発明は、外周
面を対向してほぼ平行に配置された一対の円柱型加圧ロ
ーラと、前記円柱型加圧ローラを回転駆動する回転駆動
機構と、前記円柱型加圧ローラの少なくともいずれか一
方に、対向面方向の荷重を付与する荷重付与機構と、前
記円柱型加圧ローラのいずれか一方に、対向面方向の振
動を付与する振動付与機構と、前記円柱型加圧ローラの
対向面間へリチウムポリマー電池用電極要素を成す積層
体を送入する積層体送入機構とを有するリチウムポリマ
ー電池用電極要素の製造装置であって、前記円柱型加圧
ローラのいずれか一方は、対向面方向に対して摺動的に
軸支され、対向面間隔が荷重および振動によって任意に
設定されることを特徴とするリチウムポリマー電池用電
極要素の製造装置である。
According to a first aspect of the present invention, there is provided a pair of cylindrical pressure rollers arranged substantially parallel to each other with their outer peripheral surfaces facing each other, and a rotary drive mechanism for rotationally driving the cylindrical pressure rollers. A load applying mechanism that applies a load in the direction of the facing surface to at least one of the cylindrical pressure rollers; and a vibration applying device that applies vibration in the direction of the facing surface to one of the cylindrical pressure rollers. A device for manufacturing a lithium polymer battery electrode element, comprising: a mechanism; and a laminate feeding mechanism for feeding a laminate forming the lithium polymer battery electrode element between opposing surfaces of the cylindrical pressure roller. Either one of the cylindrical pressure rollers is slidably supported in the direction of the facing surface, and the facing surface interval is arbitrarily set by a load and vibration. Manufacturing equipment A.

【0013】請求項2の発明は、外周面を対向してほぼ
平行に配置された一対の円柱型加圧ローラと、前記円柱
型加圧ローラを回転駆動する回転駆動機構と、前記円柱
型加圧ローラの少なくともいずれか一方に、対向面方向
の荷重を付与する荷重付与機構と、前記円柱型加圧ロー
ラのいずれか一方に、対向面方向の振動を付与する振動
付与機構と、前記円柱型加圧ローラの対向面間へリチウ
ムポリマー電池用電極要素を成す積層体を両主面側から
加熱しながら送入する加熱体付きの積層体送入機構とを
有するリチウムポリマー電池用電極要素の製造装置であ
って、前記円柱型加圧ローラのいずれか一方は、対向面
方向に対して摺動的に軸支され、対向面間隔が荷重およ
び振動によって任意に設定されることを特徴とするリチ
ウムポリマー電池用電極要素の製造装置である。
According to a second aspect of the present invention, there is provided a pair of cylindrical pressure rollers which are disposed substantially parallel to each other with their outer peripheral surfaces facing each other, a rotary drive mechanism for driving the cylindrical pressure rollers to rotate, and the cylindrical type pressing roller. A load applying mechanism that applies a load in the direction of the opposing surface to at least one of the pressure rollers, a vibration applying mechanism that applies vibration in the direction of the opposing surface to one of the cylindrical pressure rollers, and the cylindrical type. Manufacture of a lithium polymer battery electrode element having a stacked body feeding mechanism with a heating element for feeding a stacked body forming a lithium polymer battery electrode element between opposite surfaces of a pressure roller while heating the stacked body from both main surfaces Lithium, wherein one of the cylindrical pressure rollers is slidably supported in the direction of the facing surface, and the spacing between the facing surfaces is arbitrarily set by a load and vibration. Polymer battery It is a manufacturing apparatus of electrode elements.

【0014】請求項3の発明は、外周面を対向してほぼ
平行に配置された一対の円柱型加圧ローラと、前記円柱
型加圧ローラを回転駆動する回転駆動機構と、前記円柱
型加圧ローラの少なくともいずれか一方に、対向面方向
の荷重を付与する荷重付与機構と、前記円柱型加圧ロー
ラのいずれか一方に、対向面方向の振動を付与する振動
付与機構と、前記円柱型加圧ローラの対向面間へリチウ
ムポリマー電池用電極要素を成す積層体を両面側から加
熱しながら送入する加熱体付きの一対の積層体送入機構
と、前記積層体送入機構の少なくとも一方を対向面方向
に進退させ、積層体の送入路間隔を制御する制御機構と
を有するリチウムポリマー電池用電極要素の製造装置で
あって、前記円柱型加圧ローラのいずれか一方は、対向
面方向に対して摺動的に軸支され、対向面間隔が荷重お
よび振動によって任意に設定されることを特徴とするリ
チウムポリマー電池用電極要素の製造装置である。
According to a third aspect of the present invention, there is provided a pair of cylindrical pressure rollers which are disposed substantially parallel to each other with their outer peripheral surfaces facing each other, a rotary drive mechanism for driving the cylindrical pressure rollers to rotate, and the cylindrical type pressure roller. A load applying mechanism that applies a load in the direction of the opposing surface to at least one of the pressure rollers, a vibration applying mechanism that applies vibration in the direction of the opposing surface to one of the cylindrical pressure rollers, and the cylindrical type. A pair of stacked body feeding mechanisms with a heating element for feeding the stacked body forming the electrode element for the lithium polymer battery between the opposing faces of the pressure roller while heating the stacked bodies from both sides, and at least one of the stacked body feeding mechanisms And a control mechanism for controlling the interval between the feeding paths of the stacked body, wherein one of the cylindrical pressure rollers has a facing surface. Slide in direction Manner is supported, a manufacturing apparatus for a lithium polymer battery electrode element, characterized in that it is set to any opposing surface interval by the load and vibration.

【0015】請求項4の発明は、請求項1ないし請求項
3いずれか一記載のリチウムポリマー電池用電極要素の
製造装置において、円柱型加圧ローラの対向面間を通過
して加圧一体化した積層体を巻き取る巻き取り機構を付
設したことを特徴とする。
According to a fourth aspect of the present invention, there is provided the apparatus for manufacturing an electrode element for a lithium polymer battery according to any one of the first to third aspects, wherein the pressure element is integrated by passing through between the opposed surfaces of the cylindrical pressure roller. And a winding mechanism for winding the stacked body.

【0016】請求項1〜4の発明において、一対の円柱
型加圧ローラは、たとえば工具鋼などの金属製、もしく
は少なくとも外周面が硬質処理されたセラミックス製な
どで、直径 4〜30cm程度、ローラ幅10〜30cm程度に構成
されている。そして、いずれか一方の加圧ローラは、対
向する周面間の間隔を変動・制御できるように、対向面
側へ摺動的に軸支され、モーターなどを駆動源として、
ほぼ同じ周速度で回転する構成と成っている。
In the inventions according to the first to fourth aspects, the pair of cylindrical pressure rollers are made of metal such as tool steel or ceramics having at least an outer peripheral surface hardened, and have a diameter of about 4 to 30 cm. It has a width of about 10 to 30 cm. Then, any one of the pressure rollers is slidably supported on the opposing surface side so that the interval between the opposing peripheral surfaces can be changed and controlled, and a motor or the like is used as a driving source,
It is configured to rotate at substantially the same peripheral speed.

【0017】また、円柱型加圧ローラの少なくともいず
れか一方には、円柱型加圧ローラへ荷重を付与するた
め、たとえばエアーシリンダーを配設するか、あるいは
対向する円柱型加圧ローラの反対側周面に、たとえば金
属製で、直径 4〜15cm程度、ローラ幅10〜30cm程度の一
対のバックアップローラが配置される。ここで、バック
アップローラ対は、対応する加圧ローラの周面に対接し
て摺動的に回転する一方、たとえばエアーシリンダーに
よる荷重(押圧)で、円柱型加圧ローラの対向周面間の
間隔を任意に設定・制御する。
In order to apply a load to the cylindrical pressure roller, at least one of the cylindrical pressure rollers is provided with, for example, an air cylinder, or is provided on the opposite side of the opposed cylindrical pressure roller. A pair of backup rollers made of, for example, metal and having a diameter of about 4 to 15 cm and a roller width of about 10 to 30 cm are arranged on the peripheral surface. Here, the backup roller pair is slidably rotated in contact with the peripheral surface of the corresponding pressure roller, while the space between the opposing peripheral surfaces of the cylindrical pressure roller is caused by, for example, a load (press) by an air cylinder. Is set and controlled arbitrarily.

【0018】さらに、円柱型加圧ローラの対向面間へ、
リチウムポリマー電池用電極要素を成す積層体を送入す
る積層体送入機構は、たとえばエンドレス型に走行する
搬送機構であり、一般的に、少なくとも40〜 200℃程度
の温度に耐える耐熱性が要求される。また、積層体を型
崩れなどを起こさせずに、いわば補強しながら円柱状加
圧ローラ側へ送入するためには、一対のエンドレスベル
トの走行面を対向させ、かつこの対向面間隔を制御して
挟む形の送入方式が好ましい。すなわち、一方のエンド
レスベルトを押圧する形に、進退可能に可動型加圧ユニ
ットを配置しておき、その可動型加圧ユニットの進退
で、対を成すエンドレスベルトの対向間隔を調節し、エ
ンドレスベルトで積層体を補強しながら、挟持的に保持
搬送する構成を採ることが好ましい。
Further, between the opposing surfaces of the cylindrical pressure roller,
The laminate feeding mechanism for feeding the laminate forming the electrode element for the lithium polymer battery is, for example, a transport mechanism that travels in an endless type, and generally requires heat resistance that can withstand a temperature of at least about 40 to 200 ° C. Is done. In addition, in order to feed the laminated body to the cylindrical pressure roller side while reinforcing it without causing it to lose its shape, the running surfaces of a pair of endless belts are opposed to each other, and the distance between the facing surfaces is controlled. It is preferable to use a feeding system of a sandwiching type. That is, a movable pressurizing unit is arranged so as to be able to advance and retreat so as to press one endless belt, and the distance between the pair of endless belts is adjusted by the reciprocation of the movable pressurizing unit. It is preferable to adopt a configuration in which the laminate is held and transported while sandwiching the laminate.

【0019】なお、この送入過程で、リチウムポリマー
電池用電極要素の積層体に所要の温度を伝達できる程度
の厚さ、材質、もしくは構造などが望まれる。たとえ
ば、材質がテトラフロロエチレン繊維の場合は、厚さ
0.1〜 0.5mm程度のテープもしくはシート状が好まし
い。また、前記一対のエンドレスベルトを走行駆動する
走行駆動機構は、駆動源となる駆動ローラ、走行をガイ
ドするガイドローラを有するもので、これら一対の耐熱
性のエンドレスベルトを、一定方向にほぼ等速度で走行
させることによって、前記積層体外周面の摩擦損傷の発
生など回避できる。
In this process, it is desired that the thickness, material, structure, and the like of such a degree that a required temperature can be transmitted to the laminate of the electrode elements for the lithium polymer battery in the feeding step. For example, if the material is tetrafluoroethylene fiber,
A tape or sheet of about 0.1 to 0.5 mm is preferable. The traveling drive mechanism for traveling and driving the pair of endless belts has a driving roller as a driving source and a guide roller for guiding traveling, and the pair of heat-resistant endless belts are driven at substantially constant speed in a certain direction. In this case, the occurrence of friction damage on the outer peripheral surface of the laminate can be avoided.

【0020】請求項2〜4の発明において、一対の加熱
体は、たとえば電熱ヒーターを内蔵したセラミック系、
電熱ヒーターを絶縁内蔵した金属系などが挙げられる。
ここで、加熱体は、リチウムポリマー電極要素を形成す
る積層体の圧着に先だって予熱するため、前記円柱状加
圧ローラに対して送り込み側に配置される。そして、こ
の一対の加熱体は、この加熱体の対向面間を通過する積
層体の厚さや種類などに対応して、たとえばエアーシリ
ンダーなどによって相対的に移動し、適切な加熱を施す
ことができるように配置構成することが好ましい。
[0020] In the invention of claims 2 to 4, the pair of heating elements are, for example, a ceramic type having a built-in electric heater.
Examples include a metal type having an insulated built-in electric heater.
Here, the heating element is disposed on the feeding side with respect to the cylindrical pressure roller in order to preheat the layered body forming the lithium polymer electrode element before the pressure bonding. Then, the pair of heating bodies can be relatively moved by, for example, an air cylinder or the like according to the thickness or the type of the stacked body passing between the facing surfaces of the heating bodies, and can be appropriately heated. It is preferable to arrange them in such a manner.

【0021】請求項1〜4の発明では、たとえばバック
アップローラによって、荷重規制方式化されるだけでな
く、いずれか一方の円柱状加圧ローラに対して振動が付
与される。この荷重規制および振動によって、円柱状加
圧ローラのローラ幅方向での撓み発生が解消ないし防止
される一方、積層体は緻密な(空隙のない)状態に圧着
される。つまり、電極要素を形成する積層体について、
全体的に適正な、また、全体的に一様な圧接・圧着がな
されるので、常時、一様な品質の電極要素を歩留まりよ
く提供できる。
According to the first to fourth aspects of the present invention, for example, not only the load regulation method is applied by a backup roller, but also vibration is applied to one of the cylindrical pressure rollers. Due to the load regulation and the vibration, the bending of the cylindrical pressure roller in the roller width direction is eliminated or prevented, while the laminate is pressed in a dense (no gap) state. That is, for the laminate forming the electrode element,
Since the pressure contact and pressure bonding are appropriately performed as a whole and uniformly uniform, an electrode element having a uniform quality can always be provided with a high yield.

【0022】[0022]

【発明の実施の形態】以下、図1,図2および図3を参
照して実施例を説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment will be described below with reference to FIGS. 1, 2 and 3. FIG.

【0023】図1は、第1の実施例に係る電極要素の製
造装置の概略構成を示す主要部の側面図である。図1に
おいて、4a(4b)は図示を省略した基台に固定的に配置
された一対の支持体、5a,5bは前記一対の支持体4a(4
b)によって駆動可能に配設された一対の耐熱性エンド
レスベルトで、図示を省略した走行駆動機構によって、
一定方向に走行駆動する。
FIG. 1 is a side view of a main part showing a schematic configuration of an apparatus for manufacturing an electrode element according to the first embodiment. In FIG. 1, 4a (4b) is a pair of supports fixedly arranged on a base (not shown), and 5a and 5b are the pair of supports 4a (4
b) a pair of heat-resistant endless belts arranged to be drivable by a traveling drive mechanism (not shown);
Drive in a certain direction.

【0024】ここで、一対の耐熱性エンドレスベルト5
a,5bは、たとえばテトラフロロエチレン繊維製で、厚
さ 0.2mm程度、幅27cm、全長70cm程度であり、回転駆動
用ローラ6aおよび回転ガイドローラ6b,6cによって一定
の方向に対向して走行するように構成されている。ま
た、一対の耐熱性エンドレスベルト5a,5bは、対向間隔
を任意に設定できるようにほぼ平行に配置され、かつリ
チウムポリマー電池用電極要素を形成する積層体7を挟
持的に保持し、圧着・一体化側に状送入するようになっ
ている。さらに、8a,8bは前記エンドレスベルト5a,5b
で挟持的に保持・送入される積層体7を両面側から加熱
する一対の加熱ユニットで、たとえば電熱体であり、前
記エンドレスベルト5a,5bを、80〜 180℃程度の温度に
加熱保持用に設定されている。
Here, a pair of heat-resistant endless belts 5
a and 5b are made of, for example, tetrafluoroethylene fiber and have a thickness of about 0.2 mm, a width of 27 cm, and a total length of about 70 cm, and run in a certain direction by the rotation driving roller 6a and the rotation guide rollers 6b and 6c. It is configured as follows. The pair of heat-resistant endless belts 5a and 5b are arranged substantially in parallel so that the opposing interval can be set arbitrarily, and hold the laminate 7 forming the electrode element for the lithium polymer battery in a sandwiched manner. It is designed to be fed into the integrated side. Further, 8a and 8b are the endless belts 5a and 5b.
A pair of heating units for heating the laminated body 7 held and sent in a sandwiched manner from both sides, for example, an electric heater, for heating and holding the endless belts 5a and 5b at a temperature of about 80 to 180 ° C. Is set to

【0025】なお、前記エンドレスベルト5a,5bで挟持
的に保持、送入される積層体7の厚さに対応して、エン
ドレスベルト5a,5b面の間隔を調整するため、たとえば
エアーシリンダーによって、エンドレスベルト5a,5bに
対向して進退できるように加圧ユニットを配置しておい
てもよい。すなわち、加圧ユニットの反対面側にエアー
シリンダーを装着・配置した構成を付設し、このエアー
シリンダーが固定されたシリンダー固定板を、アジャス
トユニットの調整によって進退させ、もって加圧ユニッ
トの進退を行って、所要のエンドレスベルト5a,5b間隔
の調整を行う構成としてもよい。
In order to adjust the interval between the surfaces of the endless belts 5a and 5b in accordance with the thickness of the laminated body 7 held and fed by the endless belts 5a and 5b, for example, an air cylinder is used. A pressure unit may be arranged so as to be able to advance and retreat in opposition to the endless belts 5a and 5b. In other words, a configuration in which an air cylinder is mounted and arranged on the opposite side of the pressurizing unit is attached, and the cylinder fixing plate on which the air cylinder is fixed is moved forward and backward by adjusting the adjust unit, and the pressurizing unit is moved forward and backward. Thus, a configuration may be adopted in which the required interval between the endless belts 5a and 5b is adjusted.

【0026】さらに、9a,9bは前記エンドレスベルト5
a,5bで送入される積層体7を、加圧・一体化する一対
の円柱状加圧ローラ(ラミネートローラ)である。ここ
で、円柱状加圧ローラ9a,9bは、たとえば工具鋼製で直
径 7〜15cm程度、ローラ幅25〜50cm程度であり、ほぼ同
じ周速度で回転する構成を採っている。なお、この円柱
状加圧ローラ9a,9bは、温度制御機構10に接続する電熱
体(いずれも図示省略)を電気絶縁的に内蔵し、円柱状
加圧ローラ9a,9bを30〜 100℃程度に加熱・保持する。
Further, 9a and 9b correspond to the endless belt 5.
A pair of cylindrical pressure rollers (lamination rollers) for pressing and integrating the stacked body 7 fed in a and 5b. Here, the cylindrical pressure rollers 9a and 9b are made of, for example, tool steel and have a diameter of about 7 to 15 cm and a roller width of about 25 to 50 cm, and have a configuration of rotating at substantially the same peripheral speed. The columnar pressure rollers 9a and 9b incorporate an electrically heated body (both not shown) connected to the temperature control mechanism 10 in an electrically insulating manner, and the columnar pressure rollers 9a and 9b are heated to about 30 to 100 ° C. Heat and hold.

【0027】また、一方の円柱状加圧ローラ9aの回転軸
は固定され、他方の円柱状加圧ローラ9bの回転軸は、荷
重の負荷によって、若干、円柱状加圧ローラ9a側へ移動
できるように摺動的な軸受で支持されている。なお、こ
の円柱状加圧ローラ9a,9bは、前記エンドレスベルト5
a,5bの各駆動用ローラ6aの回転軸に装着した過負荷安
全装置付きチエーンスプロケットと、チエーンと、円柱
状加圧ローラ9a,9bの回転軸に装着したチエーンスプロ
ケットとを介して回転する構成と成っている。つまり、
円柱状加圧ローラ9a,9bは、エンドレスベルト5a,5bの
回転送入に同期して、回転駆動するようになっている。
The rotating shaft of one cylindrical pressing roller 9a is fixed, and the rotating shaft of the other cylindrical pressing roller 9b can move slightly toward the cylindrical pressing roller 9a due to the load. Is supported by sliding bearings. Note that the cylindrical pressure rollers 9a and 9b are
A configuration in which a chain sprocket with an overload safety device mounted on the rotating shaft of each of the driving rollers 6a of 5a and 5b, a chain and a chain sprocket mounted on the rotating shaft of the cylindrical pressure rollers 9a and 9b rotate. It is made. That is,
The columnar pressure rollers 9a and 9b are driven to rotate in synchronization with the rotation transfer of the endless belts 5a and 5b.

【0028】さらに、11は摺動的な軸受で支持された円
柱状加圧ローラ9bを対向する円柱状加圧ローラ9a側へ負
荷を掛ける負荷荷重機構、たとえばエアーシリンダー、
12は円柱状加圧ローラ9a外周面に対向する振動を円柱状
加圧ローラ9bに付与する振動付与機構、たとえば空気圧
作動型のアクチュエーターやエアバイブレーターであ
る。ここで、エアバイブレーターAM-3(日本レグリKK社
製)の場合、ロッド部を円柱状加圧ローラ9b側に取り付
ける。
Further, reference numeral 11 denotes a load-loading mechanism for applying a load to the cylindrical pressure roller 9a facing the cylindrical pressure roller 9b supported by a sliding bearing, such as an air cylinder.
Reference numeral 12 denotes a vibration imparting mechanism that imparts vibration opposing the outer peripheral surface of the cylindrical pressure roller 9a to the cylindrical pressure roller 9b, for example, a pneumatic actuator or an air vibrator. Here, in the case of the air vibrator AM-3 (manufactured by Nippon Reguri KK), the rod portion is attached to the cylindrical pressure roller 9b side.

【0029】次に、上記構成の製造装置の動作について
説明する。
Next, the operation of the manufacturing apparatus having the above configuration will be described.

【0030】先ず、セパレーターの機能をする電解質保
持性のポリマ−電解質系(たとえばヘキサフロロプロピ
レン−フッ化ビニリデン共重合体などのポリマーを挟ん
で、正極(たとえば金属酸化物などの活物質および電解
質保持性ポリマーを含む正極層を集電体に積層したも
の)と、負極(たとえばリチウムイオンを吸蔵・放出す
る活物質および電解質保持性ポリマーを含む負極層を集
電体に積層したもの)とを積層した積層体(リチウムポ
リマー電池用電極要素)7を用意する。
First, an electrolyte-retaining polymer-electrolyte system (for example, a polymer such as hexafluoropropylene-vinylidene fluoride copolymer) that functions as a separator is sandwiched between a positive electrode (for example, an active material such as a metal oxide and an electrolyte-retaining material). A positive electrode layer containing a conductive polymer is laminated on a current collector, and a negative electrode (for example, a current collector is formed by laminating a negative electrode layer containing an active material that absorbs and releases lithium ions and an electrolyte-retaining polymer) on a current collector. The prepared laminate (electrode element for lithium polymer battery) 7 is prepared.

【0031】次いで、前記積層体7に対応して、エンド
レスベルト5a,5bの対向面間隔を設定する。その後、送
入機構の各駆動用ローラ6aを駆動・回転させ、エンドレ
スベルト5a,5bを所定の方向に走行させる一方、前記積
層体7をエンドレスベルト5a,5bの対向面間に供給し、
挟持的な保持・送入を開始する。
Next, the distance between the facing surfaces of the endless belts 5a and 5b is set corresponding to the laminated body 7. Thereafter, the driving rollers 6a of the feeding mechanism are driven and rotated to cause the endless belts 5a and 5b to travel in a predetermined direction, and the laminated body 7 is supplied between the facing surfaces of the endless belts 5a and 5b.
Start holding and feeding.

【0032】上記積層体7の送入過程では、予め、発熱
調整された加熱ユニット8a,8bによって、所定温度(一
般的には80〜 180℃)に保持されたエンドレスベルト5
a,5bを介して積層体7が加温される。なお、この時点
では、エンドレスベルト5a,5bの対向面間が適正な間隔
に保持されているため、外周面に位置する電極の摩擦・
損傷など発生する恐れなく、また、型崩れや変形などの
発生も防止・抑制される。 上記エンドレスベルト5a,
5bによる送入過程で一次的に加熱された積層体7は、エ
ンドレスベルト5a,5bの駆動・走行に同期して回転・駆
動する円柱状加圧ローラ9a,9bに供給され、円柱状加圧
ローラ9a,9bの外周面によって、加圧・一体化が行われ
る。すなわち、一次的に一体化されている積層体7は、
温度調節機構10で温度調節された内蔵型加熱源(図示省
略)によって、30〜 100℃程度に加熱保持された円柱状
加圧ローラ9a,9b間を通過するときに、積層体7の温度
降下や温度のバラツキが解消・抑制される。
In the process of feeding the laminated body 7, the endless belt 5 maintained at a predetermined temperature (generally 80 to 180 ° C.) by the heating units 8a and 8b whose heat has been adjusted in advance.
The laminated body 7 is heated via a and 5b. At this time, since the opposing surfaces of the endless belts 5a and 5b are maintained at an appropriate interval, friction and friction of the electrodes located on the outer peripheral surface are reduced.
There is no risk of damage or the like, and the occurrence of shape loss or deformation is prevented or suppressed. The endless belt 5a,
The laminate 7 temporarily heated in the feeding process by 5b is supplied to cylindrical pressure rollers 9a and 9b which rotate and drive in synchronization with the driving and running of the endless belts 5a and 5b, and the cylindrical pressure rollers 9a and 9b Pressure and integration are performed by the outer peripheral surfaces of the rollers 9a and 9b. That is, the laminated body 7 that is temporarily integrated is
When passing between the cylindrical pressure rollers 9a and 9b heated and maintained at about 30 to 100 ° C. by a built-in heating source (not shown) whose temperature is controlled by the temperature control mechanism 10, the temperature of the laminate 7 drops. And temperature variations are eliminated and suppressed.

【0033】したがって、前記積層体7の送入・供給の
段階での加熱温度が維持され易いことに伴うほぼ一様な
柔軟性と、円柱状加圧ローラ9a,9bによる荷重負荷の加
圧および振動とが相俟って、適正な厚さで、適正な組織
・構造を採った全体的に均一に加圧・圧着(熱融着)さ
れた緻密な、充填密度の高いリチウムポリマー電池用電
極要素が容易に製造される。
Therefore, substantially uniform flexibility due to easy maintenance of the heating temperature in the stage of feeding and supply of the laminated body 7 and the pressing of the load by the cylindrical pressing rollers 9a and 9b, Electrodes for lithium polymer battery with high density, densely packed and pressed (heat-fused) with appropriate thickness and appropriate structure and structure in combination with vibrations The element is easily manufactured.

【0034】なお、前記製造装置において、円柱状加圧
ローラ9a,9bの代りに、外周面を耐摩耗性、耐腐食性セ
ラミックスでコーティングした円柱状加圧ローラを使用
した場合は、円柱状加圧ローラに対する非付着性などと
相俟って、より容易に、高品質な電池要素を得ることが
できる。
In the above-mentioned manufacturing apparatus, when a cylindrical pressure roller whose outer peripheral surface is coated with a wear-resistant and corrosion-resistant ceramic is used instead of the cylindrical pressure rollers 9a and 9b, a cylindrical press roller is used. In combination with the non-adhesion to the pressure roller, a high-quality battery element can be obtained more easily.

【0035】図2および図3は、第2の実施例に係る製
造装置の概略構成を示すもので、図2は要部の断面図、
図3は要部の上面図である。図2および図3において、
4a,4bは基台(図示省略)に固定的に配置された一対の
支持体、5a,5bは前記一対の支持体4a,4bによって駆動
可能に配設された一対の耐熱性エンドレスベルトであ
る。ここで、エンドレスベルト5a,5bは、たとえばテト
ラフロロエチレン繊維製で、厚さ 0.2mm程度、幅27cm、
全長70cm程度であり、回転駆動用ローラ6a(スピードコ
ントロール型モーター13を駆動源とする)および回転ガ
イドローラ6b,6cによって一定の方向に対向して走行す
るように構成されている。また、この一対の耐熱性エン
ドレスベルト5a,5bは、対向間隔を任意に設定できるよ
うにほぼ平行に配置され、かつリチウムポリマー電池用
電極要素を形成する積層体7を挟持的に保持・送入する
ようになっている。
FIGS. 2 and 3 show a schematic configuration of a manufacturing apparatus according to a second embodiment. FIG.
FIG. 3 is a top view of a main part. 2 and 3,
4a and 4b are a pair of supports fixedly arranged on a base (not shown), and 5a and 5b are a pair of heat-resistant endless belts arranged to be driven by the pair of supports 4a and 4b. . Here, the endless belts 5a and 5b are made of, for example, tetrafluoroethylene fiber and have a thickness of about 0.2 mm, a width of 27 cm,
It has a total length of about 70 cm, and is configured to run in a certain direction by rotating drive rollers 6a (using the speed control type motor 13 as a drive source) and rotating guide rollers 6b and 6c. The pair of heat-resistant endless belts 5a and 5b are arranged substantially in parallel so that the opposing interval can be set arbitrarily, and hold and feed the laminate 7 forming the electrode element for the lithium polymer battery in a sandwiched manner. It is supposed to.

【0036】さらに、8a,8bは前記エンドレスベルト5
a,5bで挟持的に保持・送入される積層体7を両面側か
ら加熱する一対の加熱ユニットである。ここで、加熱ユ
ニット8a,8bは、たとえば電熱体であり、前記エンドレ
スベルト5a,5bを、80〜 180℃程度の温度に加熱保持用
に設定されている。
Further, 8a and 8b are the endless belt 5
This is a pair of heating units for heating the laminated body 7 held and sent in a sandwiched manner by a and 5b from both sides. Here, the heating units 8a and 8b are, for example, electric heaters, and the endless belts 5a and 5b are set at a temperature of about 80 to 180 ° C. for heating and holding.

【0037】さらに、9a,9bは前記エンドレスベルト5
a,5bで送入される積層体7を加圧・一体化する一対の
円柱状加圧ローラ(ラミネートローラ)である。ここ
で、円柱状加圧ローラ9a,9bは、たとえば工具鋼製で直
径 7〜15cm程度、ローラ幅25〜50cm程度であり、回転駆
動伝達機構であるベルト 13aを介し、それぞれスピード
コントロール型モーター13によって、同じ周速度で回転
する構成を採っている。
Further, 9a and 9b are the endless belt 5
There are a pair of cylindrical pressure rollers (lamination rollers) for pressing and integrating the laminated body 7 fed in a and 5b. The cylindrical pressure rollers 9a and 9b are made of, for example, tool steel and have a diameter of about 7 to 15 cm and a roller width of about 25 to 50 cm. In this case, the rotation speed is the same.

【0038】なお、円柱状加圧ローラ9a,9bは、温度制
御機構に接続する電熱体(いずれも図示省略)を電気絶
縁的に内蔵し、円柱状加圧ローラ9a,9bが30〜 100℃程
度に加熱・保持されるとともに、たとえば円柱状加圧ロ
ーラ9aの回転軸は固定され、円柱状加圧ローラ9bの回転
軸は、荷重負荷機構11による荷重の負荷によって、若
干、円柱状加圧ローラ9a側へ摺動的に移動できる軸受部
9cで支持されている。
The columnar pressure rollers 9a and 9b incorporate an electric heater (both not shown) connected to a temperature control mechanism in an electrically insulating manner, and the columnar pressure rollers 9a and 9b are operated at 30 to 100 ° C. For example, the rotating shaft of the cylindrical pressing roller 9a is fixed, and the rotating shaft of the cylindrical pressing roller 9b is slightly rotated by the load applied by the load applying mechanism 11. Bearing part that can slide to the roller 9a side
Supported by 9c.

【0039】また、11は前記円柱状加圧ローラ9a,9bの
対向面間を圧接・通過する積層体7に、少なくとも一方
の円柱状加圧ローラ9b(もしくは9a)を介して荷重を負
荷する荷重負荷機構は、たとえばエアーシリンダーであ
る。そして、この荷重負荷機構11が円柱状加圧ローラ9b
側に負荷した荷重は荷重測定機構14で測定され、測定し
た荷重負荷値は演算機構15で演算され、この演算機構15
の演算によって、荷重負荷制御機構16が荷重負荷機構14
の荷重負荷を制御する構成となっている。
A load 11 applies a load to the laminate 7 which presses and passes between the opposing surfaces of the cylindrical pressure rollers 9a and 9b via at least one of the cylindrical pressure rollers 9b (or 9a). The load applying mechanism is, for example, an air cylinder. The load applying mechanism 11 is connected to the cylindrical pressure roller 9b.
The load applied to the side is measured by the load measuring mechanism 14, and the measured load applied value is calculated by the calculating mechanism 15, and the calculating mechanism 15
By the calculation of the load load control mechanism 16
Is controlled.

【0040】上記したように、第2の実施例に係る製造
装置の構成は、少なくとも一方の円柱状加圧ローラ9a,
9bに負荷する荷重の調節・制御機構など14,15,16を付
設した以外は、基本的に、第1の実施例に係る製造装置
の場合と同様の構成を採っている。したがって、リチウ
ムポリマー電池用電極要素を形成する部材の積層体7を
加熱し、圧着・一体化する動作自体は、前記第1の実施
例の場合と同様であるが、圧着・一体化時の円柱状加圧
ローラ9a,9bに対する荷重の負荷がより適正に行われる
点で異なる。
As described above, the configuration of the manufacturing apparatus according to the second embodiment includes at least one of the cylindrical pressure rollers 9a,
The configuration is basically the same as that of the manufacturing apparatus according to the first embodiment, except that 14, 15, and 16 such as a mechanism for adjusting and controlling the load applied to 9b are added. Accordingly, the operation itself of heating the laminate 7 of the members forming the electrode element for the lithium polymer battery and performing the crimping / integration is the same as that of the first embodiment, but the circle during the crimping / integration is used. The difference is that the load on the columnar pressure rollers 9a and 9b is more appropriately applied.

【0041】すなわち、円柱状加圧ローラ9a,9bの対向
面間を圧接的に通過し、圧着・一体化される積層体7の
状態(たとえば温度、軟粘性など)によって、適する円
柱状加圧ローラ9a,9b間の圧着力(圧接力)など必然的
に異なるのに対して、前記負荷・荷重の調節・制御がな
され、適度な荷重の負荷が選択設定されることによっ
て、より容易に、厚さや組成分布など均質性のすぐれた
電極要素の製造が可能となる。
That is, depending on the state (for example, temperature, soft viscosity, etc.) of the laminated body 7 that passes through the opposed surfaces of the cylindrical pressure rollers 9a and 9b in a press-contact manner and is pressed and integrated, an appropriate cylindrical pressure is applied. In contrast to the inevitable differences in the pressing force (pressing force) between the rollers 9a and 9b, the load and the load are adjusted and controlled, and the appropriate load is selected and set. It is possible to manufacture an electrode element having excellent homogeneity such as thickness and composition distribution.

【0042】なお、本発明は上記例示に限定されるもの
でなく、発明の趣旨を逸脱しない範囲でいろいろの変形
を採ることができる。たとえば加圧ユニットの進退・駆
動源や負荷荷重機構としては、エアシリンダーの代り
に、オイルシリンダーなどを使用した構成でもよい。ま
た、振動付与機構も空気圧作動型のアクチュエーターの
代りに、電磁式やモータ式のアクチュエーターなどを使
用することもできる。
The present invention is not limited to the above-described example, and various modifications can be made without departing from the spirit of the invention. For example, a configuration using an oil cylinder or the like instead of an air cylinder may be used as the forward / backward / drive source or load load mechanism of the pressurizing unit. Also, as the vibration imparting mechanism, an electromagnetic or motor-type actuator can be used instead of the pneumatic actuator.

【0043】[0043]

【発明の効果】請求項1ないし4の発明によれば、高品
質なポリマー電池の電極要素を歩留まりよく、かつ量産
的に提供することができる。すなわち、ポリマー電池用
電極要素のラミネーションにおいて、円柱状加圧ローラ
が適正な荷重規制および振動付与され、かつ温度制御さ
れた状態で、ラミネーションが行われるため、緻密性な
ど質的にもバラツキのない、一定性能の電極要素を製造
することができる。そして、一定性能の電極要素を製造
できることは、信頼性の高いポリマー電池を量産的な提
供を可能にする。
According to the first to fourth aspects of the present invention, it is possible to provide a high-quality polymer battery electrode element with good yield and mass production. That is, in the lamination of the electrode element for the polymer battery, the lamination is performed in a state in which the cylindrical pressure roller is subjected to appropriate load regulation and vibration, and the temperature is controlled, so that there is no variation in quality such as denseness. In addition, it is possible to manufacture an electrode element having a constant performance. In addition, being able to manufacture an electrode element having a constant performance makes it possible to mass-produce a highly reliable polymer battery.

【図面の簡単な説明】[Brief description of the drawings]

【図1】第1の実施例の電極要素製造装置の概略構成を
示す側面図。
FIG. 1 is a side view showing a schematic configuration of an electrode element manufacturing apparatus according to a first embodiment.

【図2】第2の実施例の電極要素製造装置の概略構成を
示す断面図。
FIG. 2 is a sectional view showing a schematic configuration of an electrode element manufacturing apparatus according to a second embodiment.

【図3】第2の実施例の電極要素製造装置の概略構成を
示す上面図。
FIG. 3 is a top view illustrating a schematic configuration of an electrode element manufacturing apparatus according to a second embodiment.

【図4】ポリマー電池の電極要素の概略構成を示す断面
図。
FIG. 4 is a sectional view showing a schematic configuration of an electrode element of a polymer battery.

【符号の説明】[Explanation of symbols]

5a,5b……積層体送入機構(ヘンドレスベルト) 6a,6b,6c……送入機構の駆動機構 7……電極要素を形成する積層体 8a,8b……加熱ユニット 9a,9b……円柱状加圧ローラ 11……荷重負荷機構 12……振動付与機構 5a, 5b: laminate feeding mechanism (hendless belt) 6a, 6b, 6c: drive mechanism of the feeding mechanism 7: laminate 8a, 8b forming an electrode element: heating units 9a, 9b ... Cylindrical pressure roller 11… Load application mechanism 12… Vibration imparting mechanism

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 外周面を対向してほぼ平行に配置された
一対の円柱型加圧ローラと、 前記円柱型加圧ローラを回転駆動する回転駆動機構と、 前記円柱型加圧ローラの少なくともいずれか一方に、対
向面方向の荷重を付与する荷重付与機構と、 前記円柱型加圧ローラのいずれか一方に、対向面方向の
振動を付与する振動付与機構と、 前記円柱型加圧ローラの対向面間へリチウムポリマー電
池用電極要素を成す積層体を送入する積層体送入機構と
を有するリチウムポリマー電池用電極要素の製造装置で
あって、 前記円柱型加圧ローラのいずれか一方は、対向面方向に
対して摺動的に軸支され、対向面間隔が荷重および振動
によって任意に設定されることを特徴とするリチウムポ
リマー電池用電極要素の製造装置。
At least one of a pair of cylindrical pressure rollers arranged so as to be substantially parallel to each other with their outer peripheral surfaces facing each other, a rotary drive mechanism for rotating and driving the cylindrical pressure rollers, A load applying mechanism that applies a load in the direction of the opposing surface to one of them, a vibration applying mechanism that applies vibration in the direction of the opposing surface to one of the cylindrical pressure rollers, and an opposing surface of the cylindrical pressure roller. A device for manufacturing a lithium polymer battery electrode element having a laminate feeding mechanism for feeding a laminate forming a lithium polymer battery electrode element between surfaces, wherein one of the cylindrical pressure rollers is: An apparatus for manufacturing an electrode element for a lithium polymer battery, wherein the apparatus is slidably supported in a direction of an opposing surface, and a distance between the opposing surfaces is arbitrarily set by a load and vibration.
【請求項2】 外周面を対向してほぼ平行に配置された
一対の円柱型加圧ローラと、 前記円柱型加圧ローラを回転駆動する回転駆動機構と、 前記円柱型加圧ローラの少なくともいずれか一方に、対
向面方向の荷重を付与する荷重付与機構と、 前記円柱型加圧ローラのいずれか一方に、対向面方向の
振動を付与する振動付与機構と、 前記円柱型加圧ローラの対向面間へリチウムポリマー電
池用電極要素を成す積層体を両主面側から加熱しながら
送入する加熱体付きの積層体送入機構とを有するリチウ
ムポリマー電池用電極要素の製造装置であって、 前記円柱型加圧ローラのいずれか一方は、対向面方向に
対して摺動的に軸支され、対向面間隔が荷重および振動
によって任意に設定されることを特徴とするリチウムポ
リマー電池用電極要素の製造装置。
2. A pair of cylindrical pressure rollers arranged substantially parallel to each other with their outer peripheral surfaces facing each other; a rotary drive mechanism for rotating the cylindrical pressure rollers; and at least one of the cylindrical pressure rollers. A load applying mechanism that applies a load in the direction of the opposing surface to one of them, a vibration applying mechanism that applies vibration in the direction of the opposing surface to one of the cylindrical pressure rollers, and an opposing surface of the cylindrical pressure roller. A device for manufacturing a lithium polymer battery electrode element having a stacked body feeding mechanism with a heating element for feeding the stacked body forming the lithium polymer battery electrode element between the surfaces while heating the stacked body from both main surfaces, An electrode element for a lithium polymer battery, wherein one of the cylindrical pressure rollers is slidably supported in a direction of an opposing surface, and an opposing surface interval is arbitrarily set by a load and vibration. Made of Apparatus.
【請求項3】 外周面を対向してほぼ平行に配置された
一対の円柱型加圧ローラと、 前記円柱型加圧ローラを回転駆動する回転駆動機構と、 前記円柱型加圧ローラの少なくともいずれか一方に、対
向面方向の荷重を付与する荷重付与機構と、 前記円柱型加圧ローラのいずれか一方に、対向面方向の
振動を付与する振動付与機構と、 前記円柱型加圧ローラの対向面間へリチウムポリマー電
池用電極要素を成す積層体を両面側から加熱しながら送
入する加熱体付きの一対の積層体送入機構と、 前記積層体送入機構の少なくとも一方を対向面方向に進
退させ、積層体の送入路間隔を制御する制御機構とを有
するリチウムポリマー電池用電極要素の製造装置であっ
て、 前記円柱型加圧ローラのいずれか一方は、対向面方向に
対して摺動的に軸支され、対向面間隔が荷重および振動
によって任意に設定されることを特徴とするリチウムポ
リマー電池用電極要素の製造装置。
3. A pair of cylindrical pressure rollers arranged substantially parallel to each other with their outer peripheral surfaces facing each other; a rotary drive mechanism for rotating and driving the cylindrical pressure rollers; and at least one of the cylindrical pressure rollers. A load applying mechanism that applies a load in the direction of the opposing surface to one of them, a vibration applying mechanism that applies vibration in the direction of the opposing surface to one of the cylindrical pressure rollers, and an opposing surface of the cylindrical pressure roller. A pair of stacked body feeding mechanisms with a heating element for feeding the stacked body forming the electrode element for the lithium polymer battery between the surfaces while heating the stacked bodies from both sides, and at least one of the stacked body feeding mechanisms in the facing surface direction. A device for manufacturing an electrode element for a lithium polymer battery, comprising: a control mechanism for moving the stack back and forth to control a feed path interval of the laminate, wherein one of the cylindrical pressure rollers is slid with respect to a facing surface direction. Dynamically supported An apparatus for manufacturing an electrode element for a lithium polymer battery, wherein an interval between facing surfaces is arbitrarily set by a load and vibration.
【請求項4】 円柱型加圧ローラの対向面間を通過して
加圧一体化した積層体を巻き取る巻き取り機構を付設し
たことを特徴とする請求項1ないし請求項3いずれか一
記載のリチウムポリマー電池用電極要素の製造装置。
4. A winding mechanism for winding a pressure-integrated laminated body by passing between opposing surfaces of a cylindrical pressure roller is provided. For manufacturing an electrode element for a lithium polymer battery.
JP26231997A 1997-09-26 1997-09-26 Equipment for manufacturing electrode elements for lithium polymer batteries Expired - Fee Related JP3457858B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26231997A JP3457858B2 (en) 1997-09-26 1997-09-26 Equipment for manufacturing electrode elements for lithium polymer batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26231997A JP3457858B2 (en) 1997-09-26 1997-09-26 Equipment for manufacturing electrode elements for lithium polymer batteries

Publications (2)

Publication Number Publication Date
JPH11102697A true JPH11102697A (en) 1999-04-13
JP3457858B2 JP3457858B2 (en) 2003-10-20

Family

ID=17374126

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Country Status (1)

Country Link
JP (1) JP3457858B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095845A1 (en) * 2001-05-23 2002-11-28 Kokam Engineering Co., Ltd. Packing apparatus for an automated manufacturing system of lithium secondary battery
WO2004042847A1 (en) * 2002-11-08 2004-05-21 Nilar International Ab An apparatus for manufacturing an electrode
JP2012089388A (en) * 2010-10-21 2012-05-10 Hitachi Zosen Corp All-solid battery manufacturing method
US9431676B2 (en) 2002-11-08 2016-08-30 Nilar International Ab Electrode, method for manufacturing electrode, biplate assembly and bipolar battery
DE102021117378A1 (en) 2021-07-06 2023-01-12 Volkswagen Aktiengesellschaft Method and device for producing an electrode of a battery cell

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Publication number Priority date Publication date Assignee Title
CN104362384B (en) * 2014-11-25 2016-08-24 深圳市吉阳自动化科技有限公司 Double-station laminating device and method
DE102021124951A1 (en) 2021-09-27 2023-03-30 Volkswagen Aktiengesellschaft Method and device for producing an electrode of a solid-state battery cell

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095845A1 (en) * 2001-05-23 2002-11-28 Kokam Engineering Co., Ltd. Packing apparatus for an automated manufacturing system of lithium secondary battery
US7500304B2 (en) 2001-05-23 2009-03-10 Kokam Engineering Co., Ltd. Packing apparatus for an automated manufacturing system of lithium secondary battery
WO2004042847A1 (en) * 2002-11-08 2004-05-21 Nilar International Ab An apparatus for manufacturing an electrode
US9431676B2 (en) 2002-11-08 2016-08-30 Nilar International Ab Electrode, method for manufacturing electrode, biplate assembly and bipolar battery
US9548488B2 (en) 2002-11-08 2017-01-17 Nilar International Ab Method for manufacturing electrode
JP2012089388A (en) * 2010-10-21 2012-05-10 Hitachi Zosen Corp All-solid battery manufacturing method
DE102021117378A1 (en) 2021-07-06 2023-01-12 Volkswagen Aktiengesellschaft Method and device for producing an electrode of a battery cell

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