JPH05129020A - Hot-press device for manufacturing battery electrode - Google Patents
Hot-press device for manufacturing battery electrodeInfo
- Publication number
- JPH05129020A JPH05129020A JP3288063A JP28806391A JPH05129020A JP H05129020 A JPH05129020 A JP H05129020A JP 3288063 A JP3288063 A JP 3288063A JP 28806391 A JP28806391 A JP 28806391A JP H05129020 A JPH05129020 A JP H05129020A
- Authority
- JP
- Japan
- Prior art keywords
- metal foil
- foil current
- electrode
- electrode mixture
- current collector
- 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
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
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、円筒型電池用の電池
電極製造用ホットプレス装置に関し、更に詳しくは金属
箔集電体及びその両面に電極合剤を塗布した積層体を加
熱ロールすることにより両面の電極合剤の密度を向上す
るリチュームイオン二次電池電極製造用ホットプレス装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot pressing apparatus for producing battery electrodes for cylindrical batteries, and more particularly, to hot roll a metal foil current collector and a laminate having both surfaces thereof coated with an electrode mixture. The present invention relates to a hot press device for producing an electrode for a lithium ion secondary battery, which improves the density of the electrode mixture on both surfaces.
【０００２】[0002]
【従来の技術】従来、帯状の金属箔集電体に電極合剤を
塗布した積層体を室温でプレス処理を行っていた。所
が、室温中の積層体のプレス処理では、電極合剤の粒子
の結合が破壊され、粒子の脱落が起こり易い問題点があ
った。2. Description of the Related Art Conventionally, a laminate having a strip-shaped metal foil current collector coated with an electrode mixture has been subjected to a press treatment at room temperature. However, in the press treatment of the laminate at room temperature, there is a problem that the bond of the particles of the electrode mixture is broken and the particles are likely to fall off.
【０００３】[0003]
【発明が解決しようとする課題】この発明は、このよう
な従来の問題点を解消するためになされたものであっ
て、金属箔集電体に電極合剤を塗布した積層体を加熱ロ
ールすることにより、軽いプレス圧で、密度の高い、平
滑な表面性を有し、しかも、金属箔集電体に対する電極
合剤の接着強度が向上した積層体を得る電池電極製造用
ホットプレス装置を提供することを課題にしている。SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems, and heats a laminated body in which a metal foil current collector is coated with an electrode mixture. This provides a hot pressing device for manufacturing battery electrodes, which has a high density, a smooth surface property, and a laminated body in which the adhesive strength of the electrode mixture to the metal foil current collector is improved with a light pressing pressure. The task is to do.
【０００４】[0004]
【課題を解決するための手段】この発明の電池電極製造
用ホットプレス装置は、帯状の金属箔集電体に電極合剤
を両面に積層してなる円筒型電池用の電池電極の製造に
用いる装置であって、金属箔集電体及びその両面に電極
合剤を塗布した積層体を加熱ロールする。A hot pressing apparatus for producing a battery electrode according to the present invention is used for producing a battery electrode for a cylindrical battery in which an electrode mixture is laminated on both sides of a strip-shaped metal foil current collector. In the device, a metal foil current collector and a laminate having both surfaces thereof coated with an electrode mixture are heated and rolled.
【０００５】[0005]
【作用】このようにすることにより、電極合剤中の粒子
の脱落が起こりにくく、密度の高い積層体が得られる。By doing so, particles in the electrode mixture are less likely to fall off, and a laminate having a high density can be obtained.
【０００６】[0006]
【実施例】この発明は、円筒型電池用の電池電極製造用
ホットプレス装置に関し、更に詳しくは金属箔集電体及
びその両面に電極合剤を塗布した積層体を加熱ロールす
ることにより両面の電極合剤の密度を向上するリチュー
ムイオン二次電池電極製造用ホットプレス装置に関す
る。The present invention relates to a hot-pressing apparatus for producing battery electrodes for cylindrical batteries, and more specifically, to a metal foil current collector and a laminate having both surfaces thereof coated with an electrode mixture, which are heated and rolled on both sides. The present invention relates to a hot press device for producing an electrode of a lithium ion secondary battery, which improves the density of an electrode mixture.
【０００７】以下、この発明の実施例を図１及び図２を
参照して説明する。図１はこの発明の電池電極製造用ホ
ットプレス装置の断面図で、図２は図１の要部拡大断面
図である。この発明は、図１及び図２に示すように、帯
状の金属箔集電体１に電極合剤２を両面に積層してなる
円筒型電池の電池電極の製造に用いる装置であって、金
属箔集電体１は、銅やアルミニウムからなる箔であり、
この金属箔集電体１の両面に粒子2aをバインダー2bに拡
散した電極合剤２を塗布した積層体３を加熱ロールす
る。11は可動ロールであり、12は固定ロールである。可
動ロール12は油圧シリンダー13により可動し両面に電極
合剤２を配した金属集電体１を押圧する。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is a sectional view of a hot pressing apparatus for producing a battery electrode according to the present invention, and FIG. 2 is an enlarged sectional view of a main part of FIG. As shown in FIGS. 1 and 2, the present invention is an apparatus used for manufacturing a battery electrode of a cylindrical battery in which an electrode mixture 2 is laminated on both surfaces of a strip-shaped metal foil current collector 1, The foil current collector 1 is a foil made of copper or aluminum,
The laminate 3 in which the electrode mixture 2 in which the particles 2a are diffused in the binder 2b is applied to both surfaces of the metal foil current collector 1 is heated and rolled. 11 is a movable roll and 12 is a fixed roll. The movable roll 12 is moved by a hydraulic cylinder 13 and presses the metal current collector 1 having the electrode mixture 2 on both sides.
【０００８】即ち、この発明は、金属箔集電体１及びそ
の両面に電極合剤２を塗布した積層体３を加熱ロールす
る円筒型電池用の電池電極製造用ホットプレス装置であ
る。金属箔集電体１と両面に電極合剤２を塗布した積層
体３は巻枠14に巻回されていて、この巻枠14から送り出
された積層体３は、加熱された可動ロール11と固定ロー
ル12の間に挟まれロールされる。積層体３は、ガイド15
に導かれ、巻き取り巻枠16に巻き取られる。That is, the present invention is a hot pressing apparatus for producing a battery electrode for a cylindrical battery in which a metal foil current collector 1 and a laminate 3 having both surfaces thereof coated with an electrode mixture 2 are heated and rolled. The metal foil current collector 1 and the laminated body 3 having both surfaces coated with the electrode mixture 2 are wound around a winding frame 14, and the laminated body 3 sent out from the winding frame 14 is heated by a movable roll 11 and It is sandwiched between fixed rolls 12 and rolled. The stack 3 has a guide 15
And is wound around the winding reel 16.
【０００９】加熱された可動ロール11と固定ロール12の
温度は、電極合剤２の軟化温度である80〜140 ℃近傍に
設定されていて、このような温度で加熱ロールすること
により、軽いプレス圧で、密度の高い積層体３を得る。The temperatures of the movable roll 11 and the fixed roll 12 which have been heated are set in the vicinity of 80 to 140 ° C. which is the softening temperature of the electrode mixture 2, and a light press is performed by heating at such a temperature. The laminated body 3 having a high density is obtained by the pressure.
【００１０】[0010]
【発明の効果】以上説明したように、この発明の電池電
極製造用ホットプレス装置は、帯状の金属箔集電体に電
極合剤を両面に積層してなる円筒型電池用の電池電極の
製造に用いる装置であって、金属箔集電体及びその両面
に電極合剤を塗布した積層体を加熱ロールする。このよ
うにすることにより、電極合剤中の粒子の脱落が起こり
にくく、軽いプレス圧で、密度の高い、平滑な表面性を
有し、しかも、金属箔集電体に対する電極合剤の接着強
度が向上した積層体を得ることができる。As described above, the hot pressing apparatus for producing a battery electrode according to the present invention is for producing a battery electrode for a cylindrical battery in which an electrode mixture is laminated on both sides of a strip-shaped metal foil current collector. Which is a device used for, a heating roll is applied to a metal foil current collector and a laminate having both surfaces thereof coated with an electrode mixture. By doing so, the particles in the electrode mixture are less likely to fall off, the pressure is light, the density is high, the surface is smooth, and the adhesive strength of the electrode mixture to the metal foil current collector is high. It is possible to obtain a laminate having improved
【図１】この発明の電池電極製造用ホットプレス装置の
断面図FIG. 1 is a cross-sectional view of a hot pressing apparatus for manufacturing a battery electrode according to the present invention.
【図２】図１の要部拡大断面図FIG. 2 is an enlarged sectional view of an essential part of FIG.
１ 金属箔集電体 ２ 電極合剤 2a 粒子 2b バインダー ３ 積層体 11 可動ロール 12 固定ロール 13 油圧シリンダー 14 送り出し側巻枠 15 ガイド 16 巻き取り側巻枠 1 Metal Foil Current Collector 2 Electrode Mixture 2a Particle 2b Binder 3 Laminated Body 11 Movable Roll 12 Fixed Roll 13 Hydraulic Cylinder 14 Feeding Side Reel 15 Guide 16 Reel Side Reel
Claims (1)
積層してなる円筒型電池用の電池電極の製造に用いる装
置であって、金属箔集電体及びその両面に電極合剤を塗
布した積層体を加熱ロールする電池電極製造用ホットプ
レス装置。1. A device used for manufacturing a battery electrode for a cylindrical battery, comprising a strip-shaped metal foil current collector and an electrode mixture laminated on both sides thereof, the metal foil current collector and the electrode mixture on both sides thereof. A hot press machine for manufacturing battery electrodes, which heats and rolls the laminate coated with the agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28806391A JP3443833B2 (en) | 1991-11-01 | 1991-11-01 | Hot press equipment for battery electrode manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28806391A JP3443833B2 (en) | 1991-11-01 | 1991-11-01 | Hot press equipment for battery electrode manufacturing |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003080813A Division JP3834009B2 (en) | 2003-03-24 | 2003-03-24 | Battery electrode manufacturing method and battery electrode manufacturing hot press apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05129020A true JPH05129020A (en) | 1993-05-25 |
| JP3443833B2 JP3443833B2 (en) | 2003-09-08 |
Family
ID=17725351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28806391A Expired - Lifetime JP3443833B2 (en) | 1991-11-01 | 1991-11-01 | Hot press equipment for battery electrode manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3443833B2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001022506A1 (en) * | 1999-09-22 | 2001-03-29 | Nisshinbo Industries, Inc. | Electrode structure, and rolling machine for working electrode structure |
| US6871585B2 (en) * | 2001-04-12 | 2005-03-29 | Nisshinbo Industries, Inc. | Pressure method for an electrode structure |
| WO2006001847A1 (en) * | 2004-02-19 | 2006-01-05 | Maxwell Technologies, Inc. | Composite electrode and method for fabricating same |
| WO2011001636A1 (en) | 2009-06-30 | 2011-01-06 | パナソニック株式会社 | Non-aqueous electrolyte secondary battery and process for production thereof |
| JP2013069637A (en) * | 2011-09-26 | 2013-04-18 | Nissan Motor Co Ltd | Band electrode manufacturing apparatus and method of manufacturing the same |
| WO2013187172A1 (en) | 2012-06-11 | 2013-12-19 | Ｎｅｃエナジーデバイス株式会社 | Electrode manufacturing method |
| CN103811715A (en) * | 2014-02-26 | 2014-05-21 | 上海交通大学 | Manufacturing device and manufacturing method of battery pole plate |
| JP2014102992A (en) * | 2012-11-20 | 2014-06-05 | Toyota Industries Corp | Electrode manufacturing method and electrode manufacturing device |
| JP6027701B1 (en) * | 2016-05-20 | 2016-11-16 | 大野ロール株式会社 | Roll press machine with wrinkle prevention device and roll press method |
| US9525168B2 (en) | 2003-07-09 | 2016-12-20 | Maxwell Technologies, Inc. | Dry-particle based adhesive and dry film and methods of making same |
| US11430613B2 (en) | 2003-07-09 | 2022-08-30 | Tesla, Inc. | Recyclable dry-particle based adhesive electrode and methods of making same |
-
1991
- 1991-11-01 JP JP28806391A patent/JP3443833B2/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001022506A1 (en) * | 1999-09-22 | 2001-03-29 | Nisshinbo Industries, Inc. | Electrode structure, and rolling machine for working electrode structure |
| US6871585B2 (en) * | 2001-04-12 | 2005-03-29 | Nisshinbo Industries, Inc. | Pressure method for an electrode structure |
| US9525168B2 (en) | 2003-07-09 | 2016-12-20 | Maxwell Technologies, Inc. | Dry-particle based adhesive and dry film and methods of making same |
| US11430613B2 (en) | 2003-07-09 | 2022-08-30 | Tesla, Inc. | Recyclable dry-particle based adhesive electrode and methods of making same |
| US10547057B2 (en) | 2003-07-09 | 2020-01-28 | Maxwell Technologies, Inc. | Dry-particle based adhesive and dry film and methods of making same |
| WO2006001847A1 (en) * | 2004-02-19 | 2006-01-05 | Maxwell Technologies, Inc. | Composite electrode and method for fabricating same |
| WO2011001636A1 (en) | 2009-06-30 | 2011-01-06 | パナソニック株式会社 | Non-aqueous electrolyte secondary battery and process for production thereof |
| JP2013069637A (en) * | 2011-09-26 | 2013-04-18 | Nissan Motor Co Ltd | Band electrode manufacturing apparatus and method of manufacturing the same |
| WO2013187172A1 (en) | 2012-06-11 | 2013-12-19 | Ｎｅｃエナジーデバイス株式会社 | Electrode manufacturing method |
| JP2014102992A (en) * | 2012-11-20 | 2014-06-05 | Toyota Industries Corp | Electrode manufacturing method and electrode manufacturing device |
| CN103811715A (en) * | 2014-02-26 | 2014-05-21 | 上海交通大学 | Manufacturing device and manufacturing method of battery pole plate |
| JP6027701B1 (en) * | 2016-05-20 | 2016-11-16 | 大野ロール株式会社 | Roll press machine with wrinkle prevention device and roll press method |
| WO2017199523A1 (en) * | 2016-05-20 | 2017-11-23 | 大野ロール株式会社 | Roll press machine with wrinkle prevention device, and roll press method |
| JP2017208283A (en) * | 2016-05-20 | 2017-11-24 | 大野ロール株式会社 | Roll press machine with wrinkle prevention device and roll press method |
| US10673060B2 (en) | 2016-05-20 | 2020-06-02 | Ono Roll Co., Ltd. | Roll-press machine with wrinkle occurrence prevention device and roll-press method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3443833B2 (en) | 2003-09-08 |
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