JP3021485B2 - Manufacturing method of sheet storage battery - Google Patents
Manufacturing method of sheet storage batteryInfo
- Publication number
- JP3021485B2 JP3021485B2 JP1263543A JP26354389A JP3021485B2 JP 3021485 B2 JP3021485 B2 JP 3021485B2 JP 1263543 A JP1263543 A JP 1263543A JP 26354389 A JP26354389 A JP 26354389A JP 3021485 B2 JP3021485 B2 JP 3021485B2
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- material coating
- metal electrode
- solid electrolyte
- anode material
- 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.)
- Expired - Fee Related
Links
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
-
- 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
Landscapes
- Secondary Cells (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、シート状蓄電池の製造方法に関するもので
ある。Description: TECHNICAL FIELD The present invention relates to a method for manufacturing a sheet-shaped storage battery.
［従来の技術］ 従来、携帯用蓄電池としてNi−Cd（ニッケル・カドミ
ウム）蓄電池があり、その構成は活物質として陽極がニ
ッケル酸化物、陰極がカドミウム化合物よりなり、電解
質として水酸化カリウムが用いられていた。[Prior art] Conventionally, there is a Ni-Cd (nickel-cadmium) storage battery as a portable storage battery, and its configuration is such that an anode is made of nickel oxide, a cathode is made of a cadmium compound, and potassium hydroxide is used as an electrolyte. I was
この蓄電池の製造方法として、ニッケルのパンチプレ
ート基板上にニッケル酸化物、カドミウム化合物層を個
別に形成し、これを陽極及び陰極として用い、この両極
間に多孔質のプラスチックスペーサーを挟み、電解液と
して水酸化カリウム水溶液を注入する方法が行われてい
た。As a method of manufacturing this storage battery, a nickel oxide and a cadmium compound layer are separately formed on a nickel punch plate substrate, and these are used as an anode and a cathode. A porous plastic spacer is sandwiched between the two electrodes to form an electrolyte. A method of injecting an aqueous solution of potassium hydroxide has been used.
［発明が解決しようとする課題］ しかしながら、従来のNi−Cd蓄電池では電極基板とし
て剛性の大きなニッケルのパンチプレートを、又、電解
液として水酸化カリウム水溶液を用いており、シート状
蓄電池を形成するうえで以下の欠点を有していた。[Problems to be Solved by the Invention] However, in a conventional Ni-Cd storage battery, a rigid nickel punch plate is used as an electrode substrate, and a potassium hydroxide aqueous solution is used as an electrolyte to form a sheet storage battery. In addition, it has the following disadvantages.
柔軟性に欠ける。薄くするのが難しい。変形時
にスペーサーが破れてショートする。液漏れの虞があ
る。Lack of flexibility. Difficult to make thin. The spacer breaks when deformed, resulting in a short circuit. There is a risk of liquid leakage.
このため蓄電池の形状は円筒型、ボタン型、コイン
型、箱型といったリジッドタイプであり、電極の製造、
電池のパッケージング工程が複雑となり、コンベア方式
による連続製造ラインの実現を阻んでいた。For this reason, the shape of the storage battery is a rigid type such as a cylindrical type, a button type, a coin type, and a box type.
The battery packaging process became complicated, which hindered the realization of a continuous production line using a conveyor system.
本発明は、上述した問題点を解決するためになされた
ものであり、パッケージング工程を簡略化し、連続製造
ラインによる製造の可能なシート状蓄電池の製造方法を
提供することを目的としている。The present invention has been made in order to solve the above-described problems, and has as its object to provide a method of manufacturing a sheet-shaped storage battery that simplifies a packaging process and can be manufactured by a continuous manufacturing line.
［課題を解決するための手段］ この目的を達成するために本発明においては、個別の
金属電極板上に陽極材料被膜及び陰極材料被膜をそれぞ
れ形成し、両金属電解板を陽極材料被膜と陰極材料被膜
との間に固体電解質が存在する状態に配置した後圧着
し、その後プレス打ち抜きを行うようにした。[Means for Solving the Problems] In order to achieve this object, in the present invention, an anode material film and a cathode material film are respectively formed on individual metal electrode plates, and both metal electrolytic plates are connected to the anode material film and the cathode material. After being arranged in a state where the solid electrolyte is present between the material and the material coating, pressure bonding was performed, and then press punching was performed.
又、前記圧着及び前記プレス打ち抜きを、前記金属電
極板と当接する部分が絶縁体により形成されたプレス装
置によって行うようにした。Further, the press bonding and the press punching are performed by a press device in which a portion in contact with the metal electrode plate is formed of an insulator.
［作用］ 本発明では陽極材料被膜及び陰極材料被膜がそれぞれ
形成された個別の金属電極板が、陽極材料被膜と陰極材
料被膜とが対向し、かつ両者の間に固体電解質が配置さ
れた状態で圧着され、その後プレス打ち抜きが行われ
る。それにより、金属電極板、陽極材料被膜、固体電解
質、陰極材料被膜、金属電極板の順で積層されたシート
状蓄電池が製造される。このように本発明では、圧着及
びプレス打ち抜きによってシート状蓄電池を製造するよ
うにしたため、製造時において予め各材料を所定の大き
さに形成する必要がなくなる。[Operation] In the present invention, the individual metal electrode plates on which the anode material film and the cathode material film are respectively formed are formed in a state where the anode material film and the cathode material film face each other and the solid electrolyte is disposed between the two. Crimping is performed, followed by press punching. As a result, a sheet storage battery in which the metal electrode plate, the anode material coating, the solid electrolyte, the cathode material coating, and the metal electrode plate are laminated in this order is manufactured. As described above, in the present invention, since the sheet-shaped storage battery is manufactured by press bonding and press punching, it is not necessary to previously form each material to a predetermined size at the time of manufacturing.
又、その圧着及びプレス打ち抜きを金属電極板と当接
する部分が絶縁体により形成されたプレス装置によって
行うようにしたため、圧着及びプレス打ち抜き時に、金
属電極板間の電気的短絡事故が防止される。In addition, since the pressing and press-punching are performed by a press device in which a portion in contact with the metal electrode plate is formed of an insulator, an electrical short circuit between the metal electrode plates is prevented during the pressing and press-punching.
［実施例］ 以下、本発明を具体化した一実施例を図面を参照して
説明する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
シート状蓄電池１は、第２図に示されるように一対の
金属電極板2,3の間に陰極材料被膜４、固体電解質５及
び陽極材料被膜６が積層状態で配置され、陰極材料被膜
４、固体電解質５及び陽極材料被膜６の周囲が絶縁性樹
脂７により封止されている。As shown in FIG. 2, the sheet storage battery 1 has a cathode material coating 4, a solid electrolyte 5, and an anode material coating 6 arranged in a laminated state between a pair of metal electrode plates 2, 3, and a cathode material coating 4, The periphery of the solid electrolyte 5 and the anode material film 6 is sealed with an insulating resin 7.
金属電極板2,3はステンレス箔から、陰極材料被膜４
はリチウム（Li）からそれぞれ構成されている。固体電
解質５は過塩素酸リチウムを含むポリエチレンオキシド
誘導体を用いた高分子電解質から、陽極材料被膜６は酸
化バナジウム（V6O13）を高分子電解質でバインディン
グしたものからそれぞれ構成されている。Metal electrode plates 2 and 3 are made of stainless steel foil, cathode material coating 4
Are composed of lithium (Li). The solid electrolyte 5 is made of a polymer electrolyte using a polyethylene oxide derivative containing lithium perchlorate, and the anode material coating 6 is made of a material in which vanadium oxide (V 6 O 13 ) is bound with the polymer electrolyte.
次に前記の如く構成されたシート状蓄電池１を製造す
る工程を説明する。Next, a process of manufacturing the sheet storage battery 1 configured as described above will be described.
厚さ20μｍのステンレスの金属電極板２上に蒸着によ
り厚さ10μｍのLiの陰極材料被膜４が形成される。陰極
材料被膜４上には過塩素酸リチウムを含むポリエチレン
オキシド誘導体を用いた高分子電解質からなる固体電解
質５の層がスクリーン印刷により厚さ30μｍに形成され
る。又、同じく厚さ20μｍのステンレスの金属電極板３
上に、酸化バナジウム（V6O13）を高分子電解質でバイ
ンディングした厚さ50μｍの陽極材料被膜６がスクリー
ン印刷により形成される。次に両金属電極板2,3の陰極
材料被膜４、固体電解質５及び陽極材料被膜６の周囲に
絶縁性の熱可塑性樹脂７が融着され、陽極側及び陰極側
の電極板が形成される。A 10 μm-thick Li cathode material film 4 is formed on a 20 μm-thick stainless metal electrode plate 2 by vapor deposition. On the cathode material coating 4, a layer of a solid electrolyte 5 made of a polymer electrolyte using a polyethylene oxide derivative containing lithium perchlorate is formed to a thickness of 30 μm by screen printing. Also, a stainless metal electrode plate 3 having a thickness of 20 μm.
An anode material film 6 having a thickness of 50 μm, in which vanadium oxide (V 6 O 13 ) is bound with a polymer electrolyte, is formed thereon by screen printing. Next, an insulating thermoplastic resin 7 is fused around the cathode material coating 4, the solid electrolyte 5 and the anode material coating 6 of the two metal electrode plates 2 and 3 to form anode and cathode electrode plates. .
次に固定板８及び可動板９がいずれも絶縁体であるセ
ラミックスで形成されたプレス装置を使用してプレス加
工が行われる。第１図（ａ）に示されるように、陰極側
の金属電極板２をプレス装置の固定板８上に固体電解質
５が上側となるように載置し、その上に陽極側の金属電
極板３を陽極材料被膜６が下側となるように、すなわち
陽極材料被膜６と陰極材料被膜４との間に固体電解質５
が存在する状態に配置する。この状態でプレス装置が作
動され、可動板９の下降により第１図（ｂ）に示される
ように、陽極材料被膜６が固体電解質５に圧着される。
又、固体板８及び可動板９が加熱され、陰極材料被膜
４、固体電解質５及び陽極材料被膜６の周囲の熱可塑性
樹脂７が溶融して陰極材料被膜４、固体電解質５及び陽
極材料被膜６の周囲が熱可塑性樹脂７により封止され
る。Next, press working is performed using a press device in which both the fixed plate 8 and the movable plate 9 are formed of ceramics, which are insulators. As shown in FIG. 1 (a), the metal electrode plate 2 on the cathode side is placed on the fixing plate 8 of the press device such that the solid electrolyte 5 is on the upper side, and the metal electrode plate on the anode side is placed thereon. 3 so that the anode material coating 6 is on the lower side, ie, between the anode material coating 6 and the cathode material coating 4,
Is placed in a state where exists. In this state, the press device is operated, and as the movable plate 9 descends, the anode material coating 6 is pressed against the solid electrolyte 5 as shown in FIG.
Further, the solid plate 8 and the movable plate 9 are heated, and the thermoplastic resin 7 around the cathode material coating 4, the solid electrolyte 5 and the anode material coating 6 is melted, and the cathode material coating 4, the solid electrolyte 5 and the anode material coating 6 are melted. Is sealed by the thermoplastic resin 7.
この状態からさらに可動板９が下降すると、第１図
（ｃ）に示されるように両金属電極板2,3の周囲が切断
されてシート状蓄電池１が製造され、シート状蓄電池１
はコンベアベルト（図示せず）上に落下して次工程に搬
送される。このようにプレス加工によりシート状蓄電池
１が形成されるので、連続ラインによる生産が可能とな
る。When the movable plate 9 further descends from this state, as shown in FIG. 1 (c), the periphery of both metal electrode plates 2 and 3 is cut off to manufacture the sheet storage battery 1, and the sheet storage battery 1 is manufactured.
Is dropped on a conveyor belt (not shown) and transported to the next step. Since the sheet-shaped storage battery 1 is formed by the press working in this manner, production by a continuous line becomes possible.
尚、本発明は前記実施例に限定されるものではなく、
例えば固体電解質５の層を陰極材料被膜４上に形成する
代わりに、固体電解質５の層を陽極材料被膜６上に形成
してもよい。又、固体電解質５の層を陰極材料被膜４及
び陽極材料被膜６上に形成せずに、シート状の固体電解
質５を別体に形成し、第３図に示すように陰極材料被膜
４及び陽極材料被膜６の間にシート状の固体電解質５を
配置した状態でプレス加工を行っても同様なシート状蓄
電池１が製造される。さらには、プレス装置の固定板８
及び可動板９を金属製とするとともに他から絶縁された
状態のプレス装置を用いてもよい。Note that the present invention is not limited to the above embodiment,
For example, instead of forming the layer of the solid electrolyte 5 on the cathode material film 4, the layer of the solid electrolyte 5 may be formed on the anode material film 6. Further, a sheet-like solid electrolyte 5 is formed separately without forming a layer of the solid electrolyte 5 on the cathode material coating 4 and the anode material coating 6, and as shown in FIG. A similar sheet-shaped storage battery 1 is manufactured even if pressing is performed in a state where the sheet-shaped solid electrolyte 5 is disposed between the material coatings 6. Further, the fixing plate 8 of the press device
Alternatively, a pressing device in which the movable plate 9 is made of metal and is insulated from others may be used.
［発明の効果］ 以上詳述したことから明らかなように、本発明によれ
ば、固体電解質を金属電極板上に形成された陰極材料被
膜及び陽極材料被膜の間に配置した状態で圧着及びプレ
ス打ち抜きを行うことによりシート状蓄電池が製造され
るため、予め各材料を所定の大きさに形成する必要がな
い。このため、生産性をより一層向上させることがで
き、それにより大幅なコストダウンが可能となる。[Effects of the Invention] As is clear from the above, according to the present invention, the solid electrolyte is pressed and pressed in a state where the solid electrolyte is disposed between the cathode material film and the anode material film formed on the metal electrode plate. Since the sheet storage battery is manufactured by punching, it is not necessary to form each material in a predetermined size in advance. For this reason, the productivity can be further improved, thereby enabling a significant cost reduction.
又、圧着及びプレス打ち抜き時に、金属電極板間の電
気的短絡事故を防止することができるため、電池量産時
における歩留まりを維持することができる。In addition, an electrical short circuit between the metal electrode plates can be prevented at the time of press bonding and press punching, so that the yield during battery mass production can be maintained.
【図面の簡単な説明】 第１図（ａ）乃至第１図（ｃ）は本発明を具体化した一
実施例の蓄電池製造工程を示す概略図、第２図は蓄電池
の一部破断斜視図、第３図は他の実施例の蓄電池製造工
程の一部を示す概略図である。 図中、１はシート状蓄電池、2,3は金属電極板、４は陰
極材料被膜、５は固体電解質、６は陽極材料被膜であ
る。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 (a) to FIG. 1 (c) are schematic views showing a storage battery manufacturing process of an embodiment embodying the present invention, and FIG. 2 is a partially cutaway perspective view of the storage battery. FIG. 3 is a schematic view showing a part of a manufacturing process of a storage battery according to another embodiment. In the figure, 1 is a sheet storage battery, 2 and 3 are metal electrode plates, 4 is a cathode material coating, 5 is a solid electrolyte, and 6 is an anode material coating.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−169071（ＪＰ，Ａ) 特開 昭63−16561（ＪＰ，Ａ) 特開 昭60−253174（ＪＰ，Ａ) 特開 平１−115069（ＪＰ，Ａ) 特開 平１−241767（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 10/40 H01M 6/18 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-59-169071 (JP, A) JP-A-63-16561 (JP, A) JP-A-60-253174 (JP, A) JP-A-1- 115069 (JP, A) JP-A-1-241767 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) H01M 10/40 H01M 6/18
Claims (2)
極材料被膜をそれぞれ形成し、両金属電極板を陽極材料
被膜と陰極材料被膜との間に固体電解質が存在する状態
に配置した後圧着し、その後プレス打ち抜きを行うこと
を特徴とするシート状蓄電池の製造方法。An anode material coating and a cathode material coating are formed on individual metal electrode plates, respectively, and both metal electrode plates are placed in a state where a solid electrolyte exists between the anode material coating and the cathode material coating. A method for producing a sheet-shaped storage battery, comprising performing pressure bonding and then press punching.
金属電極板と当接する部分が絶縁体により形成されたプ
レス装置によって行うことを特徴とする請求項１に記載
のシート状蓄電池の製造方法。2. The method according to claim 1, wherein the pressing and the punching are performed by a press device in which a portion that contacts the metal electrode plate is formed of an insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1263543A JP3021485B2 (en) | 1989-10-09 | 1989-10-09 | Manufacturing method of sheet storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1263543A JP3021485B2 (en) | 1989-10-09 | 1989-10-09 | Manufacturing method of sheet storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03127466A JPH03127466A (en) | 1991-05-30 |
| JP3021485B2 true JP3021485B2 (en) | 2000-03-15 |
Family
ID=17391002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1263543A Expired - Fee Related JP3021485B2 (en) | 1989-10-09 | 1989-10-09 | Manufacturing method of sheet storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3021485B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5494338B2 (en) * | 2010-08-03 | 2014-05-14 | トヨタ自動車株式会社 | Electrode body manufacturing method and electrode body |
| JP6095472B2 (en) * | 2013-05-13 | 2017-03-15 | 日立造船株式会社 | All-solid battery manufacturing method and all-solid battery manufacturing apparatus |
| JP6380200B2 (en) * | 2015-03-30 | 2018-08-29 | トヨタ自動車株式会社 | Manufacturing method of secondary battery |
| WO2019031438A1 (en) * | 2017-08-10 | 2019-02-14 | 倉敷紡績株式会社 | Method for manufacturing electrode sheet, all-solid-state cell, and method for manufacturing all-solid-state cell |
| JP7411331B2 (en) * | 2019-01-11 | 2024-01-11 | 日立造船株式会社 | All-solid-state batteries and methods of manufacturing all-solid-state batteries |
| CN117976965B (en) * | 2024-04-02 | 2024-07-02 | 瑞浦兰钧能源股份有限公司 | Solid electrolyte material, composite solid electrolyte, preparation method of composite solid electrolyte, positive plate and battery |
-
1989
- 1989-10-09 JP JP1263543A patent/JP3021485B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03127466A (en) | 1991-05-30 |
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