JP2013051040A5 - - Google Patents
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- JP2013051040A5 JP2013051040A5 JP2011186843A JP2011186843A JP2013051040A5 JP 2013051040 A5 JP2013051040 A5 JP 2013051040A5 JP 2011186843 A JP2011186843 A JP 2011186843A JP 2011186843 A JP2011186843 A JP 2011186843A JP 2013051040 A5 JP2013051040 A5 JP 2013051040A5
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- active material
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Description
本発明は、導電性を有する箔状電極板上において、前記箔状電極板の表面を露出させる未塗工部が形成されるように、導電体層と活物質層とを順次に重ねて積層させて、電池の電極を作製する電池用電極の製造方法、及び、電池用電極に関する。
In the present invention, a conductive layer and an active material layer are sequentially stacked on a conductive foil-shaped electrode plate so that an uncoated portion that exposes the surface of the foil-shaped electrode plate is formed. The present invention relates to a battery electrode manufacturing method for producing a battery electrode, and a battery electrode.
Claims (9)
前記活物質層の形成領域における前記未塗工部の存在側の端縁部の少なくとも一部において、上層側の前記活物質層の端縁が、下層側の前記導電体層の端縁よりも前記未塗工部側に位置する活物質層はみ出し部を形成する工程と、
前記はみ出し部に隣接する前記未塗工部に対して、押圧力を作用させて延伸させる未塗工部押圧工程と、
前記活物質層を形成した領域に対して押圧力を作用させる活物質層押圧工程とを有する電池用電極の製造方法。 In the foil-like electrode board having conductivity, such uncoated portion to expose the surface of the foil-like electrode plate is formed by sequentially overlapping by laminating the conductor layer and the active material layer, the battery A method for producing an electrode for a battery,
In at least a part of the edge portion on the existing side of the uncoated portion in the active material layer formation region, the edge of the active material layer on the upper layer side is more than the edge of the conductor layer on the lower layer side. Forming an active material layer protrusion located on the uncoated part side;
An uncoated part pressing step in which a pressing force is applied to the uncoated part adjacent to the protruding part to be stretched, and
The manufacturing method of the battery electrode which has an active material layer press process which makes a pressing force act on the area | region in which the said active material layer was formed.
前記活物質層と前記未塗工部との境界部分の略全長に亘る範囲が前記活物質層はみ出し部として設定されている請求項１又は２記載の電池用電極の製造方法。 The foil-like electrode plate is formed in a long band shape, and the conductor layer and the active material layer are in the state in which the uncoated portion is located at the widthwise end of the foil-like electrode plate. Formed in a strip shape extending in the longitudinal direction of the plate,
The method for manufacturing a battery electrode according to claim 1 or 2, wherein a range extending over substantially the entire length of a boundary portion between the active material layer and the uncoated portion is set as the protruding portion of the active material layer.
前記活物質層の形成領域における前記未塗工部の存在側の端縁部の少なくとも一部において、上層側の前記活物質層の端縁が、下層側の前記導電体層の端縁よりも前記未塗工部側に位置する活物質層はみ出し部が形成され、
前記活物質層の形成領域と前記未塗工部とが、夫々延伸されている電池用電極。 A battery in which a conductor layer and an active material layer are sequentially stacked on a conductive foil-like electrode plate in a region other than the formation position of an uncoated portion that exposes the surface of the foil-like electrode plate. Electrode,
In at least a part of the edge portion on the existing side of the uncoated portion in the active material layer formation region, the edge of the active material layer on the upper layer side is more than the edge of the conductor layer on the lower layer side. An active material layer protruding portion located on the uncoated portion side is formed,
The battery electrode in which the active material layer forming region and the uncoated portion are stretched, respectively.
前記箔状電極板の上に積層される導電体層及び活物質層と、A conductor layer and an active material layer laminated on the foil electrode plate;
前記箔状電極板が露出する未塗工部と、An uncoated portion where the foil electrode plate is exposed;
前記活物質層が前記導電体層の形成位置から前記未塗工部側へはみ出した活物質層はみ出し部と、An active material layer protruding part from which the active material layer protrudes from the formation position of the conductor layer to the uncoated part side;
前記未塗工部に形成される加圧痕と、Pressure marks formed on the uncoated part,
を備える電池用電極。A battery electrode comprising:
前記発電要素を収納する筐体と、A housing for storing the power generation element;
を備える電池。A battery comprising:
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011186843A JP5776446B2 (en) | 2011-08-30 | 2011-08-30 | Battery electrode manufacturing method and battery electrode |
| US13/565,683 US9905838B2 (en) | 2011-08-30 | 2012-08-02 | Electrode and method of manufacturing the same |
| KR1020120087249A KR101928376B1 (en) | 2011-08-30 | 2012-08-09 | Electrode and method of manufacturing the same |
| CN201210305620.7A CN102969480B (en) | 2011-08-30 | 2012-08-24 | The manufacture method of electrode and electrode |
| DE102012215198A DE102012215198A1 (en) | 2011-08-30 | 2012-08-27 | Electrode and process for its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011186843A JP5776446B2 (en) | 2011-08-30 | 2011-08-30 | Battery electrode manufacturing method and battery electrode |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013051040A JP2013051040A (en) | 2013-03-14 |
| JP2013051040A5 true JP2013051040A5 (en) | 2014-10-16 |
| JP5776446B2 JP5776446B2 (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011186843A Active JP5776446B2 (en) | 2011-08-30 | 2011-08-30 | Battery electrode manufacturing method and battery electrode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5776446B2 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10050255B2 (en) | 2012-03-08 | 2018-08-14 | Samsung Sdi Co., Ltd. | Rechargeable battery and method of manufacturing the same |
| US20130236771A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Rechargeable battery and method of manufacturing the same |
| JP5656093B2 (en) * | 2013-05-30 | 2015-01-21 | 株式会社豊田自動織機 | Batteries having an electrolyte solution holding layer |
| JP6252841B2 (en) * | 2013-11-25 | 2017-12-27 | 株式会社Ｇｓユアサ | Electricity storage element |
| JP6365175B2 (en) * | 2014-09-24 | 2018-08-01 | 株式会社Ｇｓユアサ | Electricity storage element |
| JP6363449B2 (en) * | 2014-09-26 | 2018-07-25 | トヨタ自動車株式会社 | Method for producing electrode for lithium ion secondary battery |
| CN105470452A (en) | 2014-09-29 | 2016-04-06 | 株式会社杰士汤浅国际 | Energy storage device |
| CN105940520B (en) * | 2014-10-16 | 2020-09-08 | 株式会社Lg化学 | Electrode sheet coated with electrically insulating layer and secondary battery including the same |
| JP6705126B2 (en) * | 2015-06-04 | 2020-06-03 | 株式会社Ｇｓユアサ | Method for manufacturing electrode plate |
| JP6766338B2 (en) | 2015-10-30 | 2020-10-14 | 三洋電機株式会社 | Electrode plate manufacturing method and secondary battery manufacturing method |
| JP6672706B2 (en) | 2015-10-30 | 2020-03-25 | 三洋電機株式会社 | Method for manufacturing electrode plate and method for manufacturing secondary battery |
| JP6816697B2 (en) * | 2017-10-13 | 2021-01-20 | トヨタ自動車株式会社 | Electrode plate manufacturing method |
| CN109244362B (en) * | 2018-11-05 | 2023-11-03 | 宁德新能源科技有限公司 | Positive electrode sheet, electrochemical device and electronic device comprising same |
| JP6983147B2 (en) * | 2018-12-26 | 2021-12-17 | 本田技研工業株式会社 | Solid-state battery electrodes and solid-state batteries |
| CN114583097A (en) * | 2022-03-01 | 2022-06-03 | 珠海冠宇电池股份有限公司 | Pole piece, winding battery cell and battery |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4233670B2 (en) * | 1999-03-01 | 2009-03-04 | パナソニック株式会社 | Method for producing non-aqueous electrolyte secondary battery |
| JP2002313327A (en) * | 2001-04-12 | 2002-10-25 | Nisshinbo Ind Inc | Pressurizing method of electrode structure |
| JP4201619B2 (en) * | 2003-02-26 | 2008-12-24 | 三洋電機株式会社 | Nonaqueous electrolyte secondary battery and method for producing electrode used therefor |
| US7251122B2 (en) * | 2003-12-22 | 2007-07-31 | Tdk Corporation | Electric chemical capacitor, and method and apparatus for manufacturing electrode for electric chemical capacitor |
| JP4487220B1 (en) * | 2009-01-26 | 2010-06-23 | トヨタ自動車株式会社 | Positive electrode for lithium secondary battery and method for producing the same |
| JP5590333B2 (en) * | 2011-02-25 | 2014-09-17 | 日立オートモティブシステムズ株式会社 | Lithium ion secondary battery and its positive electrode |
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2011
- 2011-08-30 JP JP2011186843A patent/JP5776446B2/en active Active
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