KR102410194B1 - 나트륨 이온 전지용 전극합재, 그 제조 방법 및 나트륨 전고체 전지 - Google Patents
나트륨 이온 전지용 전극합재, 그 제조 방법 및 나트륨 전고체 전지 Download PDFInfo
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Abstract
Description
2…정극
3…나트륨 이온 전도성 고체 전해질
4…부극
5…정극합재
6…정극 집전체
7…부극합재
8…부극 집전체
Claims (18)
- 활물질 결정, 나트륨 이온 전도성 결정 및 비정질상을 포함하는 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재로서,
상기 활물질 결정은 Na, M(M은 Cr, Fe, Mn, Co 및 Ni로부터 선택되는 적어도 1종의 전이금속원소), P 및 O를 포함하는 결정이거나, Na 및 Li로부터 선택되는 적어도 1종, Nb 및 Ti로부터 선택되는 적어도 1종 및 O를 포함하는 결정이고,
상기 나트륨 이온 전도성 결정은 일반식 NasA1tA2uOv(A1은 Al, Y, Yb, Nd, Nb, Ti, Hf 및 Zr로부터 선택되는 적어도 1종이고, A2는 Si 및 P로부터 선택되는 적어도 1종이고, s=1.4∼5.2이고, t=1∼2.9이고, u=2.8∼4.1이고, v=9∼14이다)로 나타내어지는 화합물 또는 베타알루미나이고,
상기 비정질상이 상기 활물질 결정과 상기 나트륨 이온 전도성 결정의 계면에 형성되는 나트륨 이온 이차전지용 전극합재. - 삭제
- 제 1 항에 있어서,
상기 활물질 결정은 공간군 P1 또는 P-1에 속하는 삼사정계 결정인 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재. - 제 1 항 또는 제 3 항에 있어서,
상기 활물질 결정은 일반식 NaxMyP2O7(x는 1.20≤x≤2.80이며, 또한 y는 0.95≤y≤1.60이다)로 나타내어지는 결정인 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재. - 삭제
- 삭제
- 제 1 항에 있어서,
상기 활물질 결정은 사방정계 결정, 육방정계 결정, 입방정계 결정 또는 단사정계 결정인 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재. - 제 1 항에 있어서,
상기 활물질 결정은 공간군 P21/m에 속하는 단사정계 결정인 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 나트륨 이온 전도성 결정은 단사정계 결정, 육방정계 결정 또는 삼방정계 결정인 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재. - 제 1 항 또는 제 3 항에 있어서,
상기 비정질상은 P, B 및 Si로부터 선택되는 적어도 1종, Na 및 O를 포함하는 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재. - 제 1 항 또는 제 3 항에 기재된 나트륨 이온 이차전지용 전극합재를 정극에 사용하는 것을 특징으로 하는 나트륨 전고체 전지.
- 제 1 항에 기재된 나트륨 이온 이차전지용 전극합재를 부극에 사용하는 것을 특징으로 하는 나트륨 전고체 전지.
- 제 1 항 또는 제 3 항에 기재된 나트륨 이온 이차전지용 전극합재를 제조하기 위한 방법으로서,
전극 활물질 결정 전구체 분말 및 나트륨 이온 전도성 결정 분말을 혼합하여 혼합 분말을 얻거나, 전극 활물질 결정 분말 및 나트륨 이온 전도성 결정 전구체 분말을 혼합하여 혼합 분말을 얻는 단계, 및
상기 혼합 분말을 나트륨 이온 전도성 고체 전해질층의 한쪽에 도포하여 소성하는 단계를 포함하는 것을 특징으로 하는 나트륨 이온 이차전지용 전극합재의 제조 방법. - 삭제
- 삭제
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JP2013253878 | 2013-12-09 | ||
JPJP-P-2013-253878 | 2013-12-09 | ||
JPJP-P-2014-167071 | 2014-08-20 | ||
JP2014167071 | 2014-08-20 | ||
JPJP-P-2014-238509 | 2014-11-26 | ||
JP2014238509A JP6460316B2 (ja) | 2013-12-09 | 2014-11-26 | ナトリウムイオン電池用電極合材、及びその製造方法並びにナトリウム全固体電池 |
PCT/JP2014/081773 WO2015087734A1 (ja) | 2013-12-09 | 2014-12-01 | ナトリウムイオン電池用電極合材、及びその製造方法並びにナトリウム全固体電池 |
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US20170005337A1 (en) | 2017-01-05 |
KR20160096068A (ko) | 2016-08-12 |
TW201526365A (zh) | 2015-07-01 |
JP6460316B2 (ja) | 2019-01-30 |
WO2015087734A1 (ja) | 2015-06-18 |
US10020508B2 (en) | 2018-07-10 |
CN105637694A (zh) | 2016-06-01 |
CN105637694B (zh) | 2018-03-13 |
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