KR20200127155A - 유기 황계 전극 활물질 - Google Patents
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Abstract
본 발명은 나트륨과 칼륨 함량의 합계가 100질량ppm~1000질량ppm인 유기 황계 전극 활물질, 이것을 전극 활물질로 하는 이차전지용 전극 및 상기 전극을 가지는 비수전해질 이차전지이다. 상기 유기 황계 전극 활물질은 추가로 철 함량이 1질량ppm~20질량ppm인 것이 바람직하다. 또한, 상기 유기 황계 전극 활물질은 황변성 폴리아크릴로니트릴이며, 황 함량이 25질량%~60질량%인 것이 바람직하다.
Description
도 2는 본 발명의 비수전해질 이차전지의 원통형 전지의 기본 구성을 나타낸 개략도이다.
도 3은 본 발명의 비수전해질 이차전지의 원통형 전지의 내부 구조를 절단면으로 나타낸 사시도이다.
2: 음극 2a: 음극 집전체
3: 전해액 4: 양극 케이스
5: 음극 케이스 6: 개스킷
7: 세퍼레이터 10: 코인형 비수전해질 이차전지
10': 원통형 비수전해질 이차전지 11: 음극
12: 음극 집전체 13: 양극
14: 양극 집전체 15: 전해액
16: 세퍼레이터 17: 양극 단자
18: 음극 단자 19: 음극판
20: 음극 리드 21: 양극판
22: 양극 리드 23: 케이스
24: 절연판 25: 개스킷
26: 안전밸브 27: PTC 소자
Claims (8)
- 나트륨과 칼륨 함량의 합계가 100질량ppm~1000질량ppm인 유기 황계 전극 활물질.
- 제1항에 있어서,
추가로, 철 함량이 1질량ppm~20질량ppm인 유기 황계 전극 활물질. - 제1항 또는 제2항에 있어서,
황 함량이 25질량%~60질량%인 유기 황계 전극 활물질. - 제1항 내지 제3항 중 어느 한 항에 있어서,
유기 황계 전극 활물질이 황변성 폴리아크릴로니트릴인 유기 황계 전극 활물질. - 제1항 내지 제4항 중 어느 한 항에 기재된 유기 황계 전극 활물질을 전극 활물질로 하는 이차전지용 전극.
- 제5항에 기재된 이차전지용 전극을 양극으로 하는 비수전해질 이차전지.
- 제5항에 기재된 이차전지용 전극을 음극으로 하는 비수전해질 이차전지.
- 나트륨과 칼륨 함량의 합계가 126질량ppm~2360질량ppm인 폴리아크릴로니트릴과 단체(單體) 황의 혼합물을 비산화성 분위기 중에서 가열 처리하는 공정을 가지는, 나트륨과 칼륨 함량의 합계가 100질량ppm~1000질량ppm인 황변성 폴리아크릴로니트릴의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018036246 | 2018-03-01 | ||
| JPJP-P-2018-036246 | 2018-03-01 | ||
| PCT/JP2019/007034 WO2019167875A1 (ja) | 2018-03-01 | 2019-02-25 | 有機硫黄系電極活物質 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200127155A true KR20200127155A (ko) | 2020-11-10 |
| KR102835593B1 KR102835593B1 (ko) | 2025-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020207020477A Active KR102835593B1 (ko) | 2018-03-01 | 2019-02-25 | 유기 황계 전극 활물질 |
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| Country | Link |
|---|---|
| US (1) | US11594732B2 (ko) |
| EP (1) | EP3761416B1 (ko) |
| JP (1) | JP7225199B2 (ko) |
| KR (1) | KR102835593B1 (ko) |
| CN (1) | CN111656587B (ko) |
| TW (1) | TWI825074B (ko) |
| WO (1) | WO2019167875A1 (ko) |
Families Citing this family (9)
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| JP7641227B2 (ja) | 2019-09-27 | 2025-03-06 | 株式会社Adeka | 非水電解質二次電池用電極及び当該電極を用いた非水電解質二次電池 |
| JPWO2021060044A1 (ko) * | 2019-09-27 | 2021-04-01 | ||
| CN114450314B (zh) * | 2019-09-27 | 2023-10-03 | 株式会社Adeka | 硫改性聚丙烯腈 |
| US11901544B2 (en) * | 2019-12-02 | 2024-02-13 | Samsung Electronics Co., Ltd. | Ion conductor, and positive electrode, solid electrolyte, and lithium battery each including the ion conductor, and method of preparing the ion conductor |
| KR20210130100A (ko) * | 2020-04-20 | 2021-10-29 | 스미토모 고무 코교 카부시키카이샤 | 유기 황 재료, 전극 및 리튬 이온 이차 전지, 및 제조 방법 |
| JP7524606B2 (ja) * | 2020-05-25 | 2024-07-30 | 住友ゴム工業株式会社 | 硫黄系活物質、電極、非水電解質二次電池および製造方法 |
| CN115702509B (zh) * | 2020-06-12 | 2025-03-28 | 株式会社Adeka | 电极和锂离子二次电池 |
| EP4174094A4 (en) * | 2020-06-29 | 2024-07-24 | Adeka Corporation | SULFUR-MODIFIED POLYACRYLONITRILE, ELECTRODE ACTIVE MATERIAL CONTAINING SAME, SECONDARY BATTERY ELECTRODE CONTAINING SAID ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAID ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID ELECTRODE |
| US11967723B2 (en) * | 2020-12-14 | 2024-04-23 | Illinois Institute Of Technology | Solid-state electrolyte for lithium air batteries |
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- 2019-02-25 EP EP19761270.8A patent/EP3761416B1/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2019167875A1 (ja) | 2021-02-25 |
| JP7225199B2 (ja) | 2023-02-20 |
| TWI825074B (zh) | 2023-12-11 |
| TW201937792A (zh) | 2019-09-16 |
| WO2019167875A1 (ja) | 2019-09-06 |
| US20200350587A1 (en) | 2020-11-05 |
| CN111656587B (zh) | 2023-10-31 |
| EP3761416A1 (en) | 2021-01-06 |
| KR102835593B1 (ko) | 2025-07-18 |
| US11594732B2 (en) | 2023-02-28 |
| EP3761416A4 (en) | 2021-11-03 |
| CN111656587A (zh) | 2020-09-11 |
| EP3761416B1 (en) | 2025-07-30 |
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