JP2004235151A - リチウム二次電池用負極の製造方法、リチウム二次電池の製造方法及びリチウム二次電池 - Google Patents
リチウム二次電池用負極の製造方法、リチウム二次電池の製造方法及びリチウム二次電池 Download PDFInfo
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- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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Abstract
【解決手段】 負極活物質及び水系バインダーを含む負極前駆体を、望ましくは90℃〜150℃の温度及び10トール以下の圧力下で1〜72時間真空乾燥する工程を含むリチウム二次電池用負極の製造方法と、負極、正極及び電解質を用いてリチウム二次電池を製造する工程と、製造されたリチウム二次電池を100℃を超えない温度で真空乾燥する工程とを含むリチウム二次電池の製造方法とを提供し、かかる方法によりリチウム二次電池を製造する。
【選択図】 図1
Description
グラファイト96g、カルボキシメチルセルロース2g、スチレン−ブタジエンラバー2gを水で混練して負極活物質スラリーを製造した。この負極活物質スラリーを銅箔上にコーティング(被膜化)し、乾燥及び圧延して負極を製造した。
120℃で1時間真空乾燥工程を実施したことを除いては実施例1とほぼ同一に実施した。
グラファイト96g、カルボキシメチルセルロース2g、スチレン−ブタジエンラバー2gを水で混練して負極活物質スラリーを製造した。この負極活物質スラリーを銅箔上にコーティングし、乾燥及び圧延して負極を製造した。
グラファイト96g、カルボキシメチルセルロース1g、スチレン−ブタジエンラバー1gを水で混練して負極活物質スラリーを製造した。この負極活物質スラリーを銅箔上にコーティングし、乾燥及び圧延して負極を製造した。
真空乾燥工程を実施しないことを除いては実施例1とほぼ同一に実施した。
3 正極
4 負極
Claims (11)
- 負極活物質及び水系バインダーを含む負極前駆体を真空乾燥する工程を含むことを特徴とする、リチウム二次電池用負極の製造方法。
- 前記真空乾燥工程は、80℃〜200℃の温度及び10トール以下の圧力下で1〜72時間実施することを特徴とする、請求項1に記載のリチウム二次電池用負極の製造方法。
- 前記真空乾燥工程は、90℃〜150℃の温度及び10トール以下の圧力下で1〜72時間実施することを特徴とする、請求項1または2に記載のリチウム二次電池用負極の製造方法。
- 前記負極前駆体は、負極活物質及び水系バインダーを含む負極活物質組成物を電流集電体に塗布して製造されることを特徴とする、請求項1、2または3に記載のリチウム二次電池用負極の製造方法。
- 負極、正極及び電解質を用いてリチウム二次電池を製造する工程と、
前記製造されたリチウム二次電池を真空乾燥する工程と、
を含むことを特徴とする、リチウム二次電池の製造方法。 - 前記真空乾燥工程は、100℃を超えない温度で実施することを特徴とする、請求項5に記載のリチウム二次電池の製造方法。
- 前記負極は、負極活物質及び水系バインダーを含む負極前駆体を真空乾燥して製造されることを特徴とする、請求項5または6に記載のリチウム二次電池の製造方法。
- 前記負極前駆体を真空乾燥する工程は、80℃〜200℃の温度及び10トール以下の圧力下で1〜72時間実施することを特徴とする、請求項7に記載のリチウム二次電池の製造方法。
- 前記負極前駆体を真空乾燥する工程は、90℃〜150℃の温度及び10トール以下の圧力下で1〜72時間実施することを特徴とする、請求項7または8に記載のリチウム二次電池の製造方法。
- 初期充電時に発生する総ガス量中のCOガスの含量が30%以下であることを特徴とする、リチウム二次電池。
- 前記リチウム二次電池の初期充電時に発生する総ガス量中のH2の含量が0.2%以下であることを特徴とする、請求項10に記載のリチウム二次電池。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0005997A KR100529070B1 (ko) | 2003-01-29 | 2003-01-29 | 리튬 이차 전지의 제조 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004235151A true JP2004235151A (ja) | 2004-08-19 |
| JP4471344B2 JP4471344B2 (ja) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2004021112A Expired - Fee Related JP4471344B2 (ja) | 2003-01-29 | 2004-01-29 | リチウム二次電池用負極の製造方法、リチウム二次電池の製造方法及びリチウム二次電池 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20040253517A1 (ja) |
| JP (1) | JP4471344B2 (ja) |
| KR (1) | KR100529070B1 (ja) |
| CN (1) | CN100352083C (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785599A (zh) * | 2013-12-18 | 2014-05-14 | 陈佩 | 电极片/电池芯去水干燥设备及方法 |
| CN104142045A (zh) * | 2013-07-11 | 2014-11-12 | 中航锂电(洛阳)有限公司 | 一种大容量锂离子动力电池电芯的干燥方法 |
| JP2017033773A (ja) * | 2015-07-31 | 2017-02-09 | 日産自動車株式会社 | 非水電解質二次電池用負極の製造方法 |
| JP2019533126A (ja) * | 2016-09-22 | 2019-11-14 | ジーアールエスティー・インターナショナル・リミテッド | 電極アセンブリを乾燥させる方法 |
Families Citing this family (14)
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| KR100719716B1 (ko) * | 2005-09-27 | 2007-05-17 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지 |
| US7819615B2 (en) * | 2005-12-06 | 2010-10-26 | Hewlett-Packard Development | Method and apparatus for finishing sheets for a bound document |
| US7531309B2 (en) | 2005-12-06 | 2009-05-12 | Michigan State University | PCR based capsular typing method |
| JP2007280907A (ja) * | 2006-04-12 | 2007-10-25 | Seiko Epson Corp | 電極の製造方法、電極の製造装置、および二次電池の製造方法 |
| KR101101148B1 (ko) * | 2008-01-18 | 2012-01-05 | 주식회사 엘지화학 | 제조 공정성이 향상된 전극 제조방법 |
| KR101423944B1 (ko) * | 2012-11-02 | 2014-08-14 | 한국에너지기술연구원 | 카바이드 유도 탄소 기반 음극 활물질 제조방법 및 그에 따라 제조된 음극 활물질 |
| KR101622808B1 (ko) | 2012-11-30 | 2016-05-19 | 주식회사 엘지화학 | 복합체 및 이를 포함하는 음극 슬러리의 제조방법 |
| KR101637068B1 (ko) | 2012-11-30 | 2016-07-06 | 주식회사 엘지화학 | 음극 활물질용 복합체 및 이의 제조방법 |
| EP2760065B1 (en) * | 2012-11-30 | 2018-06-13 | LG Chem, Ltd. | Method for manufacturing an anode slurry |
| US20160043402A1 (en) * | 2013-03-26 | 2016-02-11 | Nissan Motor Co., Ltd. | Non-aqueous electrolyte secondary battery |
| KR102144883B1 (ko) * | 2016-03-17 | 2020-08-14 | 주식회사 엘지화학 | 슬라이딩 방식의 전지셀 이송 장치 |
| CN109883143B (zh) * | 2018-12-26 | 2021-11-05 | 深圳市卓能新能源股份有限公司 | 锂电池烘干工艺 |
| CN111780500A (zh) * | 2019-04-04 | 2020-10-16 | 苏州合乾新能源科技有限公司 | 一种用于锂电池正极片的低能耗高效率真空烘烤工艺 |
| KR102868803B1 (ko) * | 2023-12-22 | 2025-10-14 | 주식회사 엘지에너지솔루션 | 리튬 이차 전지 |
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2003
- 2003-01-29 KR KR10-2003-0005997A patent/KR100529070B1/ko not_active Expired - Fee Related
-
2004
- 2004-01-29 CN CNB2004100283346A patent/CN100352083C/zh not_active Expired - Fee Related
- 2004-01-29 JP JP2004021112A patent/JP4471344B2/ja not_active Expired - Fee Related
- 2004-01-29 US US10/767,875 patent/US20040253517A1/en not_active Abandoned
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2006
- 2006-11-06 US US11/593,691 patent/US8313539B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142045A (zh) * | 2013-07-11 | 2014-11-12 | 中航锂电(洛阳)有限公司 | 一种大容量锂离子动力电池电芯的干燥方法 |
| CN104142045B (zh) * | 2013-07-11 | 2016-03-23 | 中航锂电(江苏)有限公司 | 一种大容量锂离子动力电池电芯的干燥方法 |
| CN103785599A (zh) * | 2013-12-18 | 2014-05-14 | 陈佩 | 电极片/电池芯去水干燥设备及方法 |
| CN103785599B (zh) * | 2013-12-18 | 2016-11-02 | 陈佩 | 电极片/电池芯去水干燥设备及方法 |
| JP2017033773A (ja) * | 2015-07-31 | 2017-02-09 | 日産自動車株式会社 | 非水電解質二次電池用負極の製造方法 |
| JP2019533126A (ja) * | 2016-09-22 | 2019-11-14 | ジーアールエスティー・インターナショナル・リミテッド | 電極アセンブリを乾燥させる方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8313539B2 (en) | 2012-11-20 |
| JP4471344B2 (ja) | 2010-06-02 |
| US20070051010A1 (en) | 2007-03-08 |
| CN1523692A (zh) | 2004-08-25 |
| KR20040069561A (ko) | 2004-08-06 |
| CN100352083C (zh) | 2007-11-28 |
| US20040253517A1 (en) | 2004-12-16 |
| KR100529070B1 (ko) | 2005-11-16 |
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