JPH0311550A - Laminated layer type battery - Google Patents
Laminated layer type batteryInfo
- Publication number
- JPH0311550A JPH0311550A JP1145837A JP14583789A JPH0311550A JP H0311550 A JPH0311550 A JP H0311550A JP 1145837 A JP1145837 A JP 1145837A JP 14583789 A JP14583789 A JP 14583789A JP H0311550 A JPH0311550 A JP H0311550A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- negative electrode
- flange
- insulating member
- tablet
- 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
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims description 25
- 239000007942 layered tablet Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000008151 electrolyte solution Substances 0.000 abstract description 8
- 239000011230 binding agent Substances 0.000 description 16
- 239000000843 powder Substances 0.000 description 13
- 239000006258 conductive agent Substances 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 11
- 238000000465 moulding Methods 0.000 description 10
- 239000007773 negative electrode material Substances 0.000 description 10
- -1 polypropylene Polymers 0.000 description 9
- 239000007784 solid electrolyte Substances 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000006230 acetylene black Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229920000609 methyl cellulose Polymers 0.000 description 3
- 239000001923 methylcellulose Substances 0.000 description 3
- 235000010981 methylcellulose Nutrition 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000003826 tablet Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910010340 TiFe Inorganic materials 0.000 description 1
- 229910010380 TiNi Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229940125381 senolytic agent Drugs 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
この発明は、積層形電池に関する。さらに詳しくは、積
層形電池の絶縁部材の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to a stacked battery. More specifically, the present invention relates to improvements in insulating members for stacked batteries.
（ロ）従来の技術
従来の積層形電池は、電池容器の正極缶に、絶縁性ガス
ケットと円筒形に加工した絶縁性樹脂の部材とを壁面に
沿って配置し、複数の三層錠剤状電池要素（以下電池要
素という）をイオンブロッキング電極を介在させて積層
配置し、負極蓋を前記絶縁性ガスケットを介在させてか
しめて製造している。(B) Conventional technology Conventional stacked batteries are made by placing an insulating gasket and an insulating resin member processed into a cylindrical shape along the wall surface of the positive electrode can of the battery container, and forming multiple three-layer tablet batteries. Elements (hereinafter referred to as battery elements) are arranged in a stacked manner with an ion blocking electrode interposed therebetween, and a negative electrode cover is crimped with the insulating gasket interposed therebetween.
（ハ）発明が解決しようとする課題
上述の従来の電池においては、正極缶と負極蓋の間に介
在させる密封性絶縁性ガスケットと、電池容器とイオン
ブロッキング電極とが接触し短絡するのを防ぐための非
吸液性絶縁性の円筒形材料との２種の絶縁部材を用いる
ことは、材料精度及び、製造所要時間の点において不利
であった。(c) Problems to be Solved by the Invention In the conventional battery described above, a sealing insulating gasket interposed between the positive electrode can and the negative electrode lid prevents the battery container and the ion blocking electrode from coming into contact and causing a short circuit. The use of two types of insulating members, including a non-liquid-absorbing insulating cylindrical material, was disadvantageous in terms of material accuracy and manufacturing time.
この発明は、上記従来の電池がもつ問題点を解消するた
めになされたものであって、製造工程か簡略化できると
ともに、材料精度の不具合から生ずる電圧の安定性の改
善された積層形電池を提供することを目的とする。This invention was made in order to solve the above-mentioned problems with conventional batteries, and it is possible to simplify the manufacturing process and create a stacked battery with improved voltage stability caused by defects in material accuracy. The purpose is to provide.
（ニ）課題を解決ずろための手段
この発明によれば、開［コ部の周縁に張出し部及びこの
張出し部によって支持された薄い円筒状壁部からなるフ
ランジを有する正極缶に、この正極缶の内壁面及びフラ
ンジ内面に沿って一体の絶縁部材を挿入し、正極合剤、
セパレータ剤及び負極合剤とが順に積層加圧されてなる
層状タブレットの複数個をイオンブロッキング電極を介
在させて積層配置し、負極蓋を前記フランジにおいて前
記絶縁部材を介在させて接合してなり、前記絶縁部材が
前記正極缶の内壁面に沿って前記フランジの内面に延設
され、この延設部に前記負極蓋を把持しうる溝を有する
ことを特徴とする積層形電池が提供される。(D) Means for Solving the Problems According to the present invention, the positive electrode can has a flange consisting of an overhanging portion at the periphery of the open portion and a thin cylindrical wall portion supported by the overhanging portion. Insert an integral insulating member along the inner wall surface and inner surface of the flange, and insert the positive electrode mixture,
A plurality of layered tablets in which a separator agent and a negative electrode mixture are laminated and pressed in order are arranged in a stacked manner with an ion blocking electrode interposed therebetween, and a negative electrode lid is joined at the flange with the insulating member interposed therebetween; A stacked battery is provided, wherein the insulating member extends on the inner surface of the flange along the inner wall surface of the positive electrode can, and the extended portion has a groove for gripping the negative electrode cover.
この発明においては、開口部に張出し部及びこの張出し
部によって支持された薄い円筒状壁部からなるフランジ
を有する正極缶に、この正極缶の内壁面及びフランジ内
面に沿って一体の絶縁部材を挿入する。In this invention, an integral insulating member is inserted into a positive electrode can having a flange consisting of an overhang at the opening and a thin cylindrical wall supported by the overhang, and along the inner wall surface of the positive electrode can and the inner surface of the flange. do.
前記正極缶は、イオンブロッキング電極を介在さＵて積
層した層状タブレットを収納し、積層）１ヨ電池の正極
を構成するためのらのであって、通常内径９゜０〜２５
ｍｍ、深さ１．２〜９．０ｍｍの円筒缶からなり、この
開口部の周縁に、通常１２〜２．５ｍｍの張出し部とこ
の張出し部によって支持された、通常２．０〜３．６ｍ
ｍの深さの円筒状壁部からなるフランジを有するものを
用いることができる。またこの正極缶は、例えばステン
レス鋼板、ニッケルメッキ鉄鋼板等の金属薄板を用いて
作成することができる。The positive electrode can houses layered tablets laminated with an ion blocking electrode interposed therebetween, and is used to constitute the positive electrode of a laminated battery, and usually has an inner diameter of 9° to 25°.
It consists of a cylindrical can with a depth of 1.2 to 9.0 mm, with an overhang of usually 12 to 2.5 mm on the periphery of this opening, and a can with a diameter of 2.0 to 3.6 m supported by this overhang.
A flange having a cylindrical wall with a depth of m can be used. Further, this positive electrode can can be made using a thin metal plate such as a stainless steel plate or a nickel-plated steel plate.
前記絶縁部材は、前記正極缶の内壁面とこの内壁面に接
近して配置されるイオンブロッキング電極の端部との間
及び前記正極缶の開口部とこの開口部に封口される負極
蓋との間を一体に絶縁するためのらのであって、前記正
極缶の内壁面及びフランジ内面に沿って挿入しうる形状
を有するものを用いることができる。前記正極缶に挿入
された絶縁部十オは、前記正極缶の内壁面に沿って市ｊ
記フランツの内面に延設され、この延設部に前記負極蓋
の端部を把持しうる溝を有するものが適しておす、例え
ば第１図〜第３図に示す形状のものを用いることができ
る。萌記溝は、例えば第１図〜第３図の１３Ａ、１３Ｂ
、１３Ｃで示すように形成することができ、この溝に前
記負極蓋の端部を挿入して、例えばかしめて前記負極蓋
を把持することができる。The insulating member is arranged between an inner wall surface of the positive electrode can and an end of an ion blocking electrode disposed close to the inner wall surface, and between an opening of the positive electrode can and a negative electrode lid sealed in this opening. It is possible to use a groove for integrally insulating between the positive electrode can and a shape that can be inserted along the inner wall surface and the inner surface of the flange of the positive electrode can. The insulating section inserted into the positive electrode can extends along the inner wall surface of the positive electrode can.
It is suitable to have a groove extending on the inner surface of the flange and capable of gripping the end of the negative electrode cover, for example, a groove having a shape shown in FIGS. 1 to 3 may be used. can. Mengki Groove is, for example, 13A and 13B in Figures 1 to 3.
, 13C, and the end of the negative electrode cover can be inserted into this groove and, for example, caulked to grip the negative electrode cover.
また、前記絶縁部材は、ガスケットとしての密封性、電
解液に対する非反応性及び非吸液性を有する絶縁性の材
料を用いて成形することができ、例えばポリプロピレン
、ポリエチレン、テトラフルオロエチレン等の合成樹脂
等を用いることかできる。この成形は、例えば射出成形
等によって行うことができる。Further, the insulating member can be formed using an insulating material that has sealing properties as a gasket, non-reactivity to electrolyte, and non-absorbing property, such as synthetic materials such as polypropylene, polyethylene, and tetrafluoroethylene. It is also possible to use resin or the like. This molding can be performed, for example, by injection molding.
以下、三層錠剤状電池要素を用いる積層形電池を例にに
して述べるが、この例に限定されるものではない。Hereinafter, a stacked battery using a three-layer tablet battery element will be described as an example, but the present invention is not limited to this example.
前記層状タブレットは正極合剤、セパレータ剤及び負極
剤を順次積層し、後工程で電解液を含浸させろか又は正
極合剤、セパレータ剤及び負極剤に固体電解質を含有さ
せ、後工程での電解液の衾浸させずして作成することか
できる。The layered tablet can be made by sequentially laminating a positive electrode mixture, a separator agent and a negative electrode material and impregnating it with an electrolytic solution in a later process, or by making the positive electrode mixture, separator agent and negative electrode agent contain a solid electrolyte and then impregnating it with an electrolytic solution in a later process. It is possible to create it without having to go through the process.
まず、電解液を含浸させる積層形電池について具体的に
述へる。前記正極合剤は、正極活物質、導電剤及び結着
剤を含む。正極活物質としては、例えば二酸化マンガン
、酸化ニッケル、三酸化タングステン、二酸化鉛、三酸
化モリブデン等の酸化剤が挙げられるが、二酸化マンカ
ン及び酸化ニッケルが好適である。上記導電剤とは、合
剤中の電子導電性を確保するために加えられる電子導電
性物質である。この導電剤としては、例えばアセチレン
ブランク、グラファイト、カーボンブラック、ニッケル
粉末等が挙げられるが、アセチレンブランク及びグラフ
ァイトが好適である。上記結着剤とは、上記二種の粉末
の結着性を高めるために加えられる物質である。この結
着剤としては、例えばカルボキノメヂルセルロース、ポ
リテトラフルオロエチレン、カルボキシメチルセルロー
ス塩、ポリビニルアルコール、ポリエチレン、寒天、メ
ヂルセルロース等が挙げられる。前記導電剤及び結着剤
は正極合剤中に３〜２０重量パーセントずつ配合される
。First, a stacked battery impregnated with an electrolyte will be specifically described. The positive electrode mixture includes a positive electrode active material, a conductive agent, and a binder. Examples of the positive electrode active material include oxidizing agents such as manganese dioxide, nickel oxide, tungsten trioxide, lead dioxide, and molybdenum trioxide, with mankane dioxide and nickel oxide being preferred. The above-mentioned conductive agent is an electronically conductive substance added to ensure electronic conductivity in the mixture. Examples of the conductive agent include acetylene blank, graphite, carbon black, and nickel powder, with acetylene blank and graphite being preferred. The binder is a substance added to enhance the binding properties of the two powders. Examples of the binder include carboquinomedyl cellulose, polytetrafluoroethylene, carboxymethyl cellulose salt, polyvinyl alcohol, polyethylene, agar, and methyl cellulose. The conductive agent and the binder are mixed in the positive electrode mixture in an amount of 3 to 20 weight percent.
前記セパレータ剤は、電解液支持体と必要に応して結着
剤を含む。電解液支持体は、絶縁性を有するしのであれ
ばよく、この条件を満足ずろ電解液支持体の例としては
、二酸化ケイ素及び酸化アルミニウム等が挙げられる。The separator agent includes an electrolyte support and, if necessary, a binder. The electrolyte support may be any insulating material, and examples of electrolyte supports that satisfy this condition include silicon dioxide and aluminum oxide.
この発明のために好適な結着剤としては、前記正極合剤
と同様なものか選ばれる。この結着剤は電解液支持体１
００重量部に対し、４０重量部以下配合される。The binder suitable for this invention is selected from those similar to the positive electrode mixture described above. This binder is the electrolyte support 1
It is blended in an amount of 40 parts by weight or less per 00 parts by weight.
前記負極剤は、負極活物質である水素貯蔵合金、例えば
、Ｔ ｉｘＮ ｉ（］≦Ｘ≦２）、ＴｉＦｅ、Ｌ、ａＮ
ｉ５、ＭｍＮｉａ等を用いる。ここで負極活物質とは、
水素を貯蔵した水素貯蔵合金である。The negative electrode material is a hydrogen storage alloy that is a negative electrode active material, such as T ixN i (]≦X≦2), TiFe, L, aN
i5, MmNia, etc. are used. Here, the negative electrode active material is
It is a hydrogen storage alloy that stores hydrogen.
導電剤及び結着剤は必要に応じて前記正極合剤と同様の
ものを用いることかでき、配合量は負極剤中にそれぞれ
２０重量パーセント以下配合される。The same conductive agent and binder as those used in the positive electrode mixture can be used as necessary, and the amount of each is 20% by weight or less in the negative electrode material.
次に第４図に示すように、成形用金型ｌ、押棒２を調整
するため、成形用金型１内において、上下に可動となさ
れている受台３からなる成形用金型１に、前３己正極合
剤・１の粉末を投入しく第４図）、その後押棒２て正極
合剤４を軽く加圧して整地し、続いてセパレータ剤５を
成形用金型１内に置かれた正極合剤４の」二に投入する
。その状態を第５図に示す。その後押棒２てセパレータ
５を軽く加圧して整地する。Next, as shown in FIG. 4, in order to adjust the molding die l and the push rod 2, a molding die 1 consisting of a pedestal 3 that is movable up and down within the molding die 1 is placed. First, the powder of the positive electrode mixture 1 was introduced (Fig. 4), and then the positive electrode mixture 4 was lightly pressed and leveled using the push rod 2, and then the separator agent 5 was placed in the mold 1. Pour the positive electrode mixture into 4-2. The state is shown in FIG. Thereafter, the separator 5 is lightly pressed using the push rod 2 to level the ground.
次に、負極剤６の粉末を成形用金型１、内に置かれたセ
パレータ剤５の上に投入する。この状態を第６図に示す
。次いで、成形用金型Ｉ内に置かれた正極合剤４、セパ
レータ剤５、負極剤６を押棒２によって加圧し、一体成
形する。その状態を第７図に示す。尚、上記３種の粉末
を成形用金型Ｉ内に投入する順序は、正極合剤と負極剤
を逆にしてもよい。Next, powder of the negative electrode material 6 is poured onto the separator material 5 placed inside the molding die 1 . This state is shown in FIG. Next, the positive electrode mixture 4, separator material 5, and negative electrode material 6 placed in the molding die I are pressurized by the push rod 2 to be integrally molded. The state is shown in FIG. Note that the order in which the three kinds of powders described above are introduced into the mold I may be reversed for the positive electrode mixture and the negative electrode material.
以上のように成形され、しかるのち、成形用金型１より
取り出した層状タブレット（三層錠剤状電池要素）を用
いて、以下にように電池は組み立てられる。The battery is assembled as described below using the layered tablet (three-layer tablet-shaped battery element) molded as described above and then taken out from the molding die 1.
第８図に示すように、集電用ネ・ソト７を熔接した正極
缶９内に、絶縁部材８をこの正極缶の内壁面に沿って挿
入し、上記層状タブレットを載置する。その後、電解液
ＩＯを供給し、含浸させる。As shown in FIG. 8, an insulating member 8 is inserted into a positive electrode can 9 to which a current collector 7 is welded along the inner wall surface of the positive electrode can, and the layered tablet is placed thereon. After that, electrolyte solution IO is supplied and impregnated.
次に、イオンブロッキング電極１２を電池容器内に入れ
る。第９図にその状態を示す。ついで前記層状タブレッ
トをイオンブロッキング電極１２上に投入する。このと
き、先に投入しである層状タブレットかイオンブロッキ
ング電極１２と接している面の極と異なる極の面か、イ
オンプロ・ノキング電極１２と接するように２個目以降
の層状タブレットを入れる。電解液の供給は」−述と同
様に行う。最後に、正極缶９に挿入された絶縁部材８の
負極蓋肥持用溝１３Ａに、集電用ネ・ソト７を熔接した
負極蓋１１の端部を取り付け、正極缶つと負極蓋１１と
をかしめて封口する。また、前記層状タブレットに固体
電解質を含有させる積層形電池は、正極合剤としては、
正極活物質、導電剤、結着剤及び固体電解質を用い、セ
ノくレータ剤としては、固体電解質を用い、必要に応じ
て結着剤を用い、負極合剤としては、負極活物質及び固
体電解質を用い、必要に応じて導電剤及び結着剤を用い
て層状タブレットを成形し、電解液の含浸工程を省略し
、この他は上述の電解液を含浸させる積層電池と同様に
して作成することかできる。尚、この固体電解質は例え
ばＳ ｂ ２０５・４． Ｉ−Ｔ 、’Ｏ等を用いるこ
とかでき、その添加量は、正極合剤及び負極剤に対して
、通常４０〜８４重量％、セノくレータ剤に対して、通
常５０〜１００重量％用１，１ろのが適している。Next, the ion blocking electrode 12 is placed into the battery container. FIG. 9 shows the state. Then, the layered tablet is placed on the ion blocking electrode 12. At this time, insert the second and subsequent layered tablets so that they are in contact with the ion pro-noking electrode 12, or the layered tablet that was introduced first, or the surface of the layered tablet whose polarity is different from the surface that is in contact with the ion blocking electrode 12. The electrolyte solution is supplied in the same manner as described above. Finally, the end of the negative electrode lid 11 to which the current collector 7 is welded is attached to the negative electrode lid retaining groove 13A of the insulating member 8 inserted into the positive electrode can 9, and the positive electrode can and negative electrode lid 11 are connected. Caulk and seal. In addition, in the stacked battery in which the layered tablet contains a solid electrolyte, the positive electrode mixture is
A positive electrode active material, a conductive agent, a binder, and a solid electrolyte are used, a solid electrolyte is used as a senolytic agent, a binder is used as necessary, and a negative electrode active material and a solid electrolyte are used as a negative electrode mixture. A layered tablet is formed using a conductive agent and a binder as necessary, and the electrolytic solution impregnation step is omitted, and the other steps are the same as those for the laminated battery impregnated with the electrolytic solution described above. I can do it. Note that this solid electrolyte is, for example, S b 205.4. I-T, 'O, etc. can be used, and the amount added is usually 40 to 84% by weight with respect to the positive electrode mixture and negative electrode material, and usually 50 to 100% by weight with respect to the senolator agent. 1,1 rono is suitable.
（ホ）作用
正極缶の内壁面とこの内壁面に接近して配置されるイオ
ンブロッキング電極の端部との間及び前記正極缶の開口
部とこの開口部に封口される負極蓋との間を一体に絶縁
できる絶縁部材か、この正極缶の内壁面及びフランジ内
面に沿って挿入される。(E) Between the inner wall surface of the working cathode can and the end of the ion blocking electrode placed close to this inner wall surface, and between the opening of the cathode can and the negative electrode lid sealed in this opening. An insulating member that can be integrally insulated is inserted along the inner wall surface and the inner surface of the flange of this positive electrode can.
（へ）実施例および比較例
以下、本発明を実施例及び比較例により更に詳細に説明
する。(F) EXAMPLES AND COMPARATIVE EXAMPLES The present invention will now be explained in more detail with reference to Examples and Comparative Examples.
実施例１
層状タブレット（電池要素）の作成
正極合剤としては、γ−二酸化マンガン２０重０
上部、導電剤であるアセチレンブラック２重量部、結着
剤であるポリテトラフルオロエチレン粉末およびカルボ
キシメチルセルロースナトリウム１重量部ずつを混合し
た粉末の２００ｍｇとり、内径１３ｍｍの成形用金型に
投入し、」−から押棒て軽く押さえる。Example 1 Creation of a layered tablet (battery element) The positive electrode mixture includes 20 parts by weight of γ-manganese dioxide, 2 parts by weight of acetylene black as a conductive agent, polytetrafluoroethylene powder and sodium carboxymethyl cellulose as a binder. Take 200 mg of the powder mixed with 1 part by weight, put it into a mold with an inner diameter of 13 mm, and press it lightly with a push rod.
セパレータ剤としては、電解液支持体であるαアルミナ
の粉末を２０重量部および結着剤であるカルボキノメチ
ルセルロース１型中部を混合した粉末の２００ｍｇをと
り、前記成形用金型内に置かれた前記正極合剤の上に投
入し、」二から押棒で軽く押さえる。As a separator agent, 200 mg of powder mixed with 20 parts by weight of α-alumina powder as an electrolyte support and carboquinomethyl cellulose type 1 middle part as a binder was taken and placed in the mold. Place it on top of the positive electrode mixture and press it lightly with a push rod.
負極剤としては、ガス状の水素を耐圧容器内において、
２５°Ｃ，１気圧の条件下で一晩貯蔵させた水素貯蔵合
金であるＴ ｉ Ｎ ｉ １８０ｍｇに、導電剤である
アセチレンブラックおよび結着剤であるカルボキノメチ
ルセルロースをｌｏｍｇずつ混合した粉末を前記成形用
金型内に置かれた前記七ノくレータ剤の上に投入し、上
から押棒て２００ ｋｇｗ／ ｃｍ’の圧ツノで加圧し
、成形体を成形用金型より取り出ず。この一連の操作を
３０回行い、電池内容物である三層構造をらつ圧粉成形
体（層状タブレｙｂ）を３０個得る。As a negative electrode agent, gaseous hydrogen is placed in a pressure-resistant container.
Acetylene black as a conductive agent and carboquinomethyl cellulose as a binder were mixed into 180 mg of TiNi, a hydrogen storage alloy, which had been stored overnight at 25°C and 1 atm. It was poured onto the above-mentioned chlorinator agent placed in the molding mold, and pressurized from above with a press rod of 200 kgw/cm', without taking out the molded product from the molding mold. This series of operations is repeated 30 times to obtain 30 powder compacts (layered tabley yb) having a three-layer structure, which are the battery contents.
絶縁部材の作成
第１図ａ及び第１図すに示すように、正極缶の内壁に沿
って挿入可能で負極蓋の端部を肥ＫＬうる凹部１３Ａを
有する内径１５．５ｍｍの絶縁部材をポリプロピレンを
用い射出成形法によって作成するる。Preparation of Insulating Member As shown in Figures 1A and 1S, an insulating member with an inner diameter of 15.5 mm and having a recess 13A that can be inserted along the inner wall of the positive electrode can and that extends over the edge of the negative electrode lid is made of polypropylene. It is made using injection molding method.
積層形電池の組立て
第８図〜第１０図に示すように、開口部にフランジ１４
を有するフランツ内径１．９．５ｍｍ、フランジ深さ２
．４ｍｍ、内径１５．５１！１４、深さ３．６ｘｍて底
部に集電用ネット７か溶接された正極缶９に、前記絶縁
部材８を前記正極缶９の内壁に沿って挿入し、前記層状
タブレットを正極合剤層４を下にして載置し、３０重量
パーセントの水酸化カリウム水溶液を１００ｕＱ加え、
その上に厚さ５０μｍ、直径１５．２ｍｍのニッケル板
（イオンブロッキング電極）を置き、さらに、前記層状
タブレットを下面が正極となろ１
２
ように置き、同様に３０重量パーセントの水酸化カリウ
ム水溶液を１００μＱ加える。そして、同様の操作をも
う１度行い、正極缶９に、層状タブレット、ニッケル板
、層状タブレット、ニッケル板、層状タブレットと順に
積み重なったところで、前記絶縁部材の負極蓋肥持用溝
１３Ａに負極蓋の縁部を配置してかしめて封口する。こ
のようにして試験電池Ａを１０個作成する。Assembling the stacked battery As shown in FIGS. 8 to 10, a flange 14 is attached to the opening.
Franz inner diameter 1.9.5mm, flange depth 2
．． The insulating member 8 is inserted along the inner wall of the positive electrode can 9 into a positive electrode can 9 having a diameter of 4 mm, an inner diameter of 15.51!14, and a depth of 3.6 x m and a current collecting net 7 welded to the bottom. Place the tablet with the positive electrode mixture layer 4 facing down, add 100 uQ of 30 weight percent potassium hydroxide aqueous solution,
A nickel plate (ion blocking electrode) with a thickness of 50 μm and a diameter of 15.2 mm was placed on top of it, and the layered tablet was placed with the bottom surface facing the positive electrode, and a 30% by weight potassium hydroxide aqueous solution was placed on top of it. Add 100μQ. Then, the same operation is performed once again, and when the layered tablet, nickel plate, layered tablet, nickel plate, and layered tablet are stacked in the positive electrode can 9 in this order, the negative electrode lid is inserted into the negative electrode lid holding groove 13A of the insulating member. Place the edges and caulk to seal. Ten test batteries A are created in this way.
この試験電池Ａ１０個の作成にかかった時間及び、作成
直後の電圧、並びに、２５℃、１週間のエージング後の
電圧を測定する。この結果、後述の比較例に比べて、電
圧の安定性がよく作成所要時間が約２５％短縮され製造
効率が大幅に優れていることを確認した。（以下余白）
第１表
比較例■
実施例１において、前記絶縁部材を用いる代わりに第１
１図〜第１２図に示すように、ポリプロピレン製ガスケ
ット１４と、内径か１５．５ｍｍの円筒状のポリプロピ
レン製絶縁材１５を載置し、この他は実施例１と同様に
して積層形電／ｌ！２Ｂを１０１作成ずろ。この試験電
池８１０個の作成にかかった時間及び作成直後の電圧、
並びに２５℃、１週間のエージング後の電圧を測定する
。この結果、作成所要時間か長く、電圧の低下がみられ
た。The time taken to create 10 test batteries A, the voltage immediately after creation, and the voltage after aging at 25° C. for one week are measured. As a result, it was confirmed that the voltage was stable, the time required for production was reduced by about 25%, and the production efficiency was significantly superior compared to the comparative example described below. (Margin below) Table 1 Comparative Example■ In Example 1, instead of using the insulating member, the first
As shown in FIGS. 1 to 12, a polypropylene gasket 14 and a cylindrical polypropylene insulating material 15 with an inner diameter of 15.5 mm are placed, and the other parts are the same as in Example 1, so that a multilayer electric/electronic l! Create 2B 101 times. The time taken to create these 810 test batteries and the voltage immediately after creation,
The voltage after aging at 25° C. for one week is also measured. As a result, it took a long time to create the device and the voltage decreased.
表２
実施例２
実施例１において、正極合剤としては、γ−二酸化マン
ガンを２０重量部と、導電剤であるアセチレンブラック
を２重量部および結着剤であるポリテトラフルオロエチ
レン粉末およびカルボキシメチルセルロースナトリウム
とを１重量部ずつ、５
表３
（ト）発明の効果
この発明によれば、製造効率が高く電圧の安定性に優れ
た積層形電池を提供することができる。Table 2 Example 2 In Example 1, the positive electrode mixture contained 20 parts by weight of γ-manganese dioxide, 2 parts by weight of acetylene black as a conductive agent, and polytetrafluoroethylene powder and carboxymethyl cellulose as binders. Table 3 (G) Effects of the Invention According to the present invention, it is possible to provide a stacked battery with high manufacturing efficiency and excellent voltage stability.
第１図（ａ 、 ｂ）〜第３図（ａ、ｂ）は、この発明
の実施例で用いた絶縁部材及びその態様の絶縁部材の説
明図、第４図〜第１０図は、この発明の実施例の積層形
電池の製造工程説明図、第１１図〜第１２さらに、水素
イオン導電性固体電解質である５ｂ２０、・４Ｈ２０を
５重量部、それぞれ混合した粉末を用い、セパレータ合
剤としては、水素イオン導電性固体電解質であるＳ ｂ
２０５・４Ｈ２０を１０重量部および結着剤であるカ
ルボギンメチルセルロースを１重量部混合した粉末を用
い。負極合剤としては、ガス状の水素を耐圧容器内にお
いて、２５°Ｃ１１気圧の条件下で一晩貯蔵させた水素
貯蔵合金であるＴｉＮ１１５０ｍｇに、導電剤であるア
セチレンブラックｌｏｍｇ、カルボギンメチルセルロー
スナトリウムを１０ｍｇおよび水素イオン導電性固体電
解質である５ｂｐＯｓ・４Ｈ２０を４０ｍｇずつ混合し
た粉末を用い積層形電池の組立工程において電解液の添
加を行わずこの他は実施例１と同様にして積層形電池Ｃ
を１０個作成する。
この試験電池０１０個の作成にかがた時間及び、作成直
後の電圧、並びに、２５℃、１週間のエージング後の電
圧を測定する。この結果、電圧の安定性に優れ作成所要
時間は約６５％短縮され製造効率が極めて高いことを確
認した。
６
図は、従来の絶縁部材の説明図である。
成形用金型、 ２ ・・押棒、
受台、 ４・・正極合剤、
・セパレータ剤、６−・ ・負極合剤、７Ｂ・ ・集電
用ネット、
ガスケット、 ９・・・正極缶、
・・・電解液、 ＩＩ 負極蓋、・・・イオンブ
ロッキング電極、
１３Ｂ、１３Ｇ・ ・負極蓋肥持用ｄ４゜１ ・・
３・ ・
Ａ
Ｏ
Ｉ ２ ・
３ＡFigures 1 (a, b) to 3 (a, b) are explanatory diagrams of the insulating member and its embodiments used in the embodiment of the present invention, and Figures 4 to 10 are illustrations of the insulating member used in the embodiment of the present invention. Figures 11 to 12 are explanatory diagrams of the manufacturing process of the laminated battery according to the example of 5B20 and 4H20, which are hydrogen ion conductive solid electrolytes. , S b which is a hydrogen ion conductive solid electrolyte
A powder prepared by mixing 10 parts by weight of 205.4H20 and 1 part by weight of carbogine methylcellulose as a binder was used. The negative electrode mixture was made by adding 1150 mg of TiN, a hydrogen storage alloy, in which gaseous hydrogen was stored overnight at 25°C and 11 atm in a pressure-resistant container, as well as acetylene black lomg, a conductive agent, and carbogine methylcellulose sodium. Stacked battery C was prepared in the same manner as in Example 1, except that no electrolyte was added in the stacked battery assembly process using powders containing 10mg of 5bpOs 4H20, which is a hydrogen ion conductive solid electrolyte, mixed with 40mg of powder.
Create 10. The time taken to create 010 test batteries, the voltage immediately after creation, and the voltage after aging at 25° C. for one week are measured. As a result, it was confirmed that the voltage stability was excellent, the time required for production was shortened by about 65%, and manufacturing efficiency was extremely high. 6 is an explanatory diagram of a conventional insulating member. Molding mold, 2... Push rod, pedestal, 4... Positive electrode mixture, - Separator agent, 6-... - Negative electrode mixture, 7B... Current collection net, gasket, 9... Positive electrode can,・・Electrolyte solution, II Negative electrode lid, ・・Ion blocking electrode, 13B, 13G・ ・Negative electrode lid support d4゜1 ・・ 3・ ・ A O I 2 ・ 3A
Claims (1)
支持された薄い円筒状壁部からなるフランジを有する正
極缶に、この正極缶の内壁面及びフランジ内面に沿って
一体の絶縁部材を挿入し、正極合剤、セパレータ剤及び
負極剤とが順に積層加圧されてなる層状タブレットの複
数個をイオンブロッキング電極を介在させて積層配置し
、負極蓋を前記フランジにおいて前記絶縁部材を介在さ
せて接合してなり、前記絶縁部材が前記正極缶の内壁面
に沿って前記フランジの内面に延設され、この延設部に
前記負極蓋を把持しうる溝を有することを特徴とする積
層形電池。1. Insert an integral insulating member along the inner wall surface of the positive electrode can and the inner surface of the flange into a positive electrode can that has a flange consisting of an overhanging part around the periphery of the opening and a thin cylindrical wall supported by the overhanging part. , a plurality of layered tablets in which a positive electrode mixture, a separator agent, and a negative electrode agent are laminated and pressed in order are stacked and arranged with an ion blocking electrode interposed therebetween, and a negative electrode lid is joined at the flange with the insulating member interposed. A stacked battery, characterized in that the insulating member extends on the inner surface of the flange along the inner wall surface of the positive electrode can, and the extending portion has a groove for gripping the negative electrode cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1145837A JPH0311550A (en) | 1989-06-08 | 1989-06-08 | Laminated layer type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1145837A JPH0311550A (en) | 1989-06-08 | 1989-06-08 | Laminated layer type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311550A true JPH0311550A (en) | 1991-01-18 |
Family
ID=15394255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1145837A Pending JPH0311550A (en) | 1989-06-08 | 1989-06-08 | Laminated layer type battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311550A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100842438B1 (en) * | 2006-07-26 | 2008-07-01 | 경상대학교산학협력단 | Fabrication method for preparing thread-type battery using trench |
| JP2021082562A (en) * | 2019-11-22 | 2021-05-27 | マクセルホールディングス株式会社 | All-solid-state battery |
-
1989
- 1989-06-08 JP JP1145837A patent/JPH0311550A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100842438B1 (en) * | 2006-07-26 | 2008-07-01 | 경상대학교산학협력단 | Fabrication method for preparing thread-type battery using trench |
| JP2021082562A (en) * | 2019-11-22 | 2021-05-27 | マクセルホールディングス株式会社 | All-solid-state battery |
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