KR20170108164A - 2차 전지 정극용 바인더 조성물, 2차 전지 정극용 슬러리 조성물, 2차 전지용 정극 및 2차 전지 - Google Patents
2차 전지 정극용 바인더 조성물, 2차 전지 정극용 슬러리 조성물, 2차 전지용 정극 및 2차 전지 Download PDFInfo
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Abstract
Description
[도 2] (a)는, 비교예 6의 바인더 조성물을 사용하여 성막한 복합막의 광학 현미경 사진이며, (b)는 도 2 (a)의 광학 현미경 사진 중에 존재하는 직경 20μm 이상의 구정의 위치를 적색 파선으로 둘러싸서 표시한 가공 사진이다.
Claims (8)
- 니트릴기 함유 단량체 단위 및 공액 디엔 단량체 단위를 포함하는 중합체 A와, 불소 함유 중합체 B와, 용매를 함유하는 2차 전지 정극용 바인더 조성물로서,
상기 중합체 A는, 요오드가가 20mg/100mg 이상 80mg/100mg 이하이며,
상기 바인더 조성물을 성막하여 얻어지는 복합막은, 200μm 정방형의 범위 내에 존재하는 직경 20μm 이상의 구정(球晶)의 수가 20개 이하인, 2차 전지 정극용 바인더 조성물. - 제 1 항에 있어서,
상기 불소 함유 중합체 B가, 불화비닐리덴 단량체 단위를 50 몰% 이상 포함하는, 2차 전지 정극용 바인더 조성물. - 제 1 항 또는 제 2 항에 있어서,
상기 중합체 A가, 상기 니트릴기 함유 단량체 단위를 30 질량% 이상 포함하는, 2차 전지 정극용 바인더 조성물. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 복합막은, 저장 탄성률 E'가 1×108 Pa 이상 1×109 Pa 이하이며, 손실 탄젠트(tan δ)가 0.001 이상 0.1 이하인, 2차 전지 정극용 바인더 조성물. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 중합체 A와 상기 불소 함유 중합체 B의 합계량에 대한 상기 중합체 A의 양의 비율이, 5 질량% 이상 50 질량% 이하인, 2차 전지 정극용 바인더 조성물. - 정극 활물질과, 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 2차 전지 정극용 바인더 조성물을 포함하는, 2차 전지 정극용 슬러리 조성물.
- 제 6 항에 기재된 2차 전지 정극용 슬러리 조성물을 사용하여 형성한 정극 합재층을 구비하는, 2차 전지용 정극.
- 제 7 항에 기재된 2차 전지용 정극과, 부극과, 전해액과, 세퍼레이터를 구비하는, 2차 전지.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015055130 | 2015-03-18 | ||
| JPJP-P-2015-055130 | 2015-03-18 | ||
| PCT/JP2016/059279 WO2016148304A1 (ja) | 2015-03-18 | 2016-03-16 | 二次電池正極バインダー組成物、二次電池正極用スラリー組成物、二次電池用正極および二次電池 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020187023543A Division KR20180094153A (ko) | 2015-03-18 | 2016-03-16 | 2차 전지 정극용 바인더 조성물, 2차 전지 정극용 슬러리 조성물, 2차 전지용 정극 및 2차 전지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170108164A true KR20170108164A (ko) | 2017-09-26 |
| KR102401458B1 KR102401458B1 (ko) | 2022-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177025137A Active KR102401458B1 (ko) | 2015-03-18 | 2016-03-16 | 2차 전지 정극용 바인더 조성물, 2차 전지 정극용 슬러리 조성물, 2차 전지용 정극 및 2차 전지 |
| KR1020187023543A Ceased KR20180094153A (ko) | 2015-03-18 | 2016-03-16 | 2차 전지 정극용 바인더 조성물, 2차 전지 정극용 슬러리 조성물, 2차 전지용 정극 및 2차 전지 |
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| KR1020187023543A Ceased KR20180094153A (ko) | 2015-03-18 | 2016-03-16 | 2차 전지 정극용 바인더 조성물, 2차 전지 정극용 슬러리 조성물, 2차 전지용 정극 및 2차 전지 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6702302B2 (ko) |
| KR (2) | KR102401458B1 (ko) |
| CN (1) | CN107408672B (ko) |
| WO (1) | WO2016148304A1 (ko) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018047821A1 (ja) * | 2016-09-06 | 2018-03-15 | 日本ゼオン株式会社 | 全固体電池用バインダ組成物、全固体電池用スラリー組成物、全固体電池用電極、および全固体電池 |
| JP6933478B2 (ja) * | 2017-03-21 | 2021-09-08 | 株式会社クレハ | ゲル状電解質 |
| JP7235669B2 (ja) * | 2017-10-23 | 2023-03-08 | 株式会社エンビジョンAescジャパン | 水系電極スラリー、リチウムイオン電池用電極、リチウムイオン電池およびリチウムイオン電池用電極の製造方法 |
| EP3734726A4 (en) * | 2017-12-28 | 2021-07-14 | Zeon Corporation | BINDER COMPOSITION FOR POSITIVE SECONDARY BATTERY ELECTRODES, SUSPENSION COMPOSITION FOR POSITIVE SECONDARY BATTERY ELECTRODES, AND METHOD OF MANUFACTURING THEREOF, POSITIVE ELECTRODE FOR SECONDARY BATTERIES |
| US12424633B2 (en) | 2019-07-25 | 2025-09-23 | Daikin Industries, Ltd. | Binder, slurry for solid-state battery, electrode for solid-state battery, and secondary solid-state battery |
| KR20220042407A (ko) * | 2019-08-29 | 2022-04-05 | 후지필름 가부시키가이샤 | 축전 디바이스용 결착제 |
| CN116157431A (zh) * | 2020-08-20 | 2023-05-23 | 大金工业株式会社 | 电池用粘结剂、电极合剂、电极和二次电池 |
| US20240021824A1 (en) * | 2020-11-30 | 2024-01-18 | Zeon Corporation | Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery |
| JP2023051521A (ja) * | 2021-09-30 | 2023-04-11 | 株式会社大阪ソーダ | 電極用バインダー、電極、及び蓄電デバイス |
| CN117625088A (zh) * | 2022-08-30 | 2024-03-01 | 宁德时代新能源科技股份有限公司 | 粘结剂、制备方法、正极浆料、二次电池及用电装置 |
| CN116632246A (zh) * | 2023-07-10 | 2023-08-22 | 上海百公里新材料科技有限公司 | 二次电池正极用浆料组合物、二次电池用正极及二次电池 |
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| JP2003223895A (ja) | 2002-01-31 | 2003-08-08 | Nippon Zeon Co Ltd | 二次電池電極用スラリー組成物、二次電池電極および二次電池 |
| WO2012036260A1 (ja) * | 2010-09-16 | 2012-03-22 | 日本ゼオン株式会社 | 二次電池用正極 |
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|---|---|---|---|---|
| JP3558727B2 (ja) * | 1995-03-23 | 2004-08-25 | 東芝電池株式会社 | アルカリ二次電池 |
| JP5476980B2 (ja) * | 2009-12-25 | 2014-04-23 | 東洋インキScホールディングス株式会社 | 非水系二次電池電極用バインダー組成物 |
| US20150030922A1 (en) * | 2011-12-06 | 2015-01-29 | Zeon Corporation | Binder composition for secondary battery positive electrode, slurry composition for secondary battery positive electrode, positive electrode, and secondary battery |
| JP6168063B2 (ja) * | 2012-09-28 | 2017-07-26 | 日本ゼオン株式会社 | リチウムイオン二次電池 |
-
2016
- 2016-03-16 JP JP2017506232A patent/JP6702302B2/ja active Active
- 2016-03-16 CN CN201680014126.1A patent/CN107408672B/zh not_active Expired - Fee Related
- 2016-03-16 KR KR1020177025137A patent/KR102401458B1/ko active Active
- 2016-03-16 WO PCT/JP2016/059279 patent/WO2016148304A1/ja not_active Ceased
- 2016-03-16 KR KR1020187023543A patent/KR20180094153A/ko not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003223895A (ja) | 2002-01-31 | 2003-08-08 | Nippon Zeon Co Ltd | 二次電池電極用スラリー組成物、二次電池電極および二次電池 |
| WO2012036260A1 (ja) * | 2010-09-16 | 2012-03-22 | 日本ゼオン株式会社 | 二次電池用正極 |
| JP2013206598A (ja) * | 2012-03-27 | 2013-10-07 | Nippon Zeon Co Ltd | 二次電池正極用複合粒子、二次電池用正極及び二次電池 |
| WO2014119790A1 (ja) | 2013-02-04 | 2014-08-07 | 日本ゼオン株式会社 | リチウムイオン二次電池正極用スラリー |
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| Publication number | Publication date |
|---|---|
| KR20180094153A (ko) | 2018-08-22 |
| CN107408672B (zh) | 2021-04-13 |
| JPWO2016148304A1 (ja) | 2017-12-28 |
| WO2016148304A1 (ja) | 2016-09-22 |
| JP6702302B2 (ja) | 2020-06-03 |
| KR102401458B1 (ko) | 2022-05-23 |
| CN107408672A (zh) | 2017-11-28 |
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