KR20200035094A - 전지용 비수 전해액 및 리튬 이차 전지 - Google Patents
전지용 비수 전해액 및 리튬 이차 전지 Download PDFInfo
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Abstract
Description
도 2는, 도 1에 나타내는 라미네이트형 전지에 수용되는 적층형 전극체의, 두께 방향의 개략 단면도이다.
도 3은, 본 개시의 리튬 이차 전지의 다른 일례인, 코인형 전지의 일례를 나타내는 개략 단면도이다.
Claims (11)
- 제 1 항에 있어서,
상기 첨가제 A를 구성하는 붕소 화합물의 환원 분해 전위의 절대치를 환원 분해 전위 A로 하고, 상기 첨가제 B를 구성하는 화합물의 환원 분해 전위의 절대치를 환원 분해 전위 B로 한 경우에, 환원 분해 전위 A에서 환원 분해 전위 B를 뺀 값이, 0.1V~1.5V인 전지용 비수 전해액. - 제 1 항 또는 제 2 항에 있어서,
상기 첨가제 B를 구성하는 화합물의 환원 분해 전위의 절대치를 환원 분해 전위 B로 한 경우에, 상기 환원 분해 전위 B가, 0.5V~2.0V인 전지용 비수 전해액. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 첨가제 B가, 탄소-탄소 불포화 결합을 갖는 카보네이트 화합물, 설톤 화합물, 환상 황산에스터 화합물, 인산에스터 화합물, 옥살라토 화합물, 불소 원자로 치환된 방향족 화합물, 불소 원자로 치환된 지방족 화합물, 다이나이트릴 화합물, 불소 원자를 갖는 설포닐 화합물, 및 불소 원자를 갖는 카보네이트 화합물로 이루어지는 군에서 선택되는 적어도 1종으로 이루어지는 전지용 비수 전해액. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 첨가제 B가, 바이닐렌카보네이트, 바이닐에틸렌카보네이트, 1,3-프로페인설톤, 1,3-프로펜설톤, 4-메틸설포닐옥시메틸-2,2-다이옥소-1,3,2-다이옥사싸이올레인, 4,4'-비스(2,2-다이옥소-1,3,2-다이옥사싸이올레인, 4-프로필-2,2-다이옥소-1,3,2-다이옥사싸이올레인, 다이플루오로인산리튬, 인산트리스트라이메틸실릴, 다이플루오로비스(옥살라토)인산리튬, 비스(옥살라토)붕산리튬, 오쏘플루오로톨루엔, (퍼플루오로헥실)에틸렌, 석시노나이트릴, 아디포나이트릴, 메테인설포닐플루오라이드, 트라이플루오로메테인설폰산리튬, 리튬비스(플루오로설포닐)이미드, 및 4-플루오로에틸렌카보네이트로 이루어지는 군에서 선택되는 적어도 1종으로 이루어지는 전지용 비수 전해액. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 식 (1) 중의 상기 M+가, Li+ 이온인 전지용 비수 전해액. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
전지용 비수 전해액의 전량에 대한 상기 첨가제 A의 함유량이, 0.001 질량%~10 질량%인 전지용 비수 전해액. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
전지용 비수 전해액의 전량에 대한 상기 첨가제 B의 함유량이, 0.001 질량%~10 질량%인 전지용 비수 전해액. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 첨가제 A에 대한 상기 첨가제 B의 함유 질량비가, 1 초과 20 이하인 전지용 비수 전해액. - 양극과,
금속 리튬, 리튬 함유 합금, 리튬과의 합금화가 가능한 금속 혹은 합금, 리튬 이온의 도프·탈도프가 가능한 산화물, 리튬 이온의 도프·탈도프가 가능한 천이 금속 질소화물, 및, 리튬 이온의 도프·탈도프가 가능한 탄소 재료로 이루어지는 군에서 선택되는 적어도 1종을 음극 활물질로서 포함하는 음극과,
제 1 항 내지 제 9 항 중 어느 한 항에 기재된 전지용 비수 전해액을 포함하는 리튬 이차 전지. - 제 10 항에 기재된 리튬 이차 전지를 충방전시켜 얻어진 리튬 이차 전지.
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| JP2017161287 | 2017-08-24 | ||
| JPJP-P-2017-161287 | 2017-08-24 | ||
| PCT/JP2018/030240 WO2019039346A1 (ja) | 2017-08-24 | 2018-08-13 | 電池用非水電解液及びリチウム二次電池 |
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| KR20200035094A true KR20200035094A (ko) | 2020-04-01 |
| KR102463794B1 KR102463794B1 (ko) | 2022-11-04 |
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| EP (1) | EP3675267A4 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20210138937A (ko) * | 2020-05-13 | 2021-11-22 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 비수전해액 및 이를 포함하는 리튬 이차전지 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7021702B2 (ja) * | 2018-07-30 | 2022-02-17 | 株式会社村田製作所 | リチウムイオン二次電池 |
| CN110943250B (zh) | 2018-09-21 | 2021-09-24 | 宁德新能源科技有限公司 | 电解液和含有电解液的锂离子电池 |
| JP7148872B2 (ja) | 2019-01-28 | 2022-10-06 | トヨタ自動車株式会社 | リチウム二次電池用非水電解液 |
| CN112349958B (zh) | 2019-08-06 | 2022-02-11 | 珠海冠宇电池股份有限公司 | 一种电解液及其制备方法和锂离子电池 |
| JP7314458B2 (ja) * | 2019-12-13 | 2023-07-26 | 三井化学株式会社 | 電池用非水電解液及びリチウムイオン二次電池 |
| CN115485878A (zh) * | 2020-02-21 | 2022-12-16 | 株式会社杰士汤浅国际 | 非水电解质蓄电元件和非水电解质蓄电元件的制造方法 |
| CN111525191B (zh) * | 2020-04-29 | 2022-07-05 | 宁德新能源科技有限公司 | 一种电解液及电化学装置 |
| CN112271330B (zh) * | 2020-10-21 | 2022-06-07 | 广州天赐高新材料股份有限公司 | 电解液添加剂、电解液及储能装置 |
| US20220149425A1 (en) * | 2020-11-07 | 2022-05-12 | Eocell Limited | Nonaqueous electrolyte for lithium ion secondary battery, and lithium ion secondary battery containing the same |
| KR20230001518A (ko) * | 2021-06-28 | 2023-01-04 | 주식회사 엘지에너지솔루션 | 리튬 이차전지 |
| CN115441057B (zh) * | 2022-10-09 | 2025-12-12 | 珠海冠宇电池股份有限公司 | 一种电解液及包括该电解液的电池 |
| CN115863764B (zh) * | 2022-12-20 | 2026-06-05 | 上海兰钧新能源科技有限公司 | 锂离子电池用添加剂、锂离子电池和用电设备 |
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- 2018-08-13 EP EP18849021.3A patent/EP3675267A4/en active Pending
- 2018-08-13 WO PCT/JP2018/030240 patent/WO2019039346A1/ja not_active Ceased
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- 2018-08-13 JP JP2019537572A patent/JPWO2019039346A1/ja active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102463794B1 (ko) | 2022-11-04 |
| CN110998957A (zh) | 2020-04-10 |
| US11652237B2 (en) | 2023-05-16 |
| CN110998957B (zh) | 2023-03-24 |
| EP3675267A1 (en) | 2020-07-01 |
| EP3675267A4 (en) | 2021-05-19 |
| WO2019039346A1 (ja) | 2019-02-28 |
| US20210126288A1 (en) | 2021-04-29 |
| JPWO2019039346A1 (ja) | 2020-03-26 |
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