KR20080064734A - 비수전해질 전지, 전지팩 및 자동차 - Google Patents
비수전해질 전지, 전지팩 및 자동차 Download PDFInfo
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Abstract
Description
Claims (21)
- 제1항에 있어서, 상기 불포화 탄화수소기를 갖는 술톤류가 1,3-프로펜술톤 및 1,4-부텐술톤 중 하나 이상인 것을 특징으로 하는 비수전해질 전지.
- 제1항에 있어서, 상기 화학식 1로 표시되는 관능기를 갖는 화합물이 트리스(트리메틸실릴)포스페이트인 것을 특징으로 하는 비수전해질 전지.
- 제1항에 있어서, 상기 불포화 탄화수소기를 갖는 술톤류가 1,3-프로펜술톤이고, 상기 화학식 1로 표시되는 관능기를 갖는 화합물이 트리스(트리메틸실릴)포스페이트인 것을 특징으로 하는 비수전해질 전지.
- 제4항에 있어서, 상기 불포화 탄화수소기를 갖는 술톤류의 함유량이 상기 비수전해질의 총 중량에 대하여 0.1 중량% 이상 0.5 중량% 이하이고, 상기 화학식 1로 표시되는 관능기를 갖는 화합물의 함유량이 상기 비수전해질의 총 중량에 대하여 0.1 중량% 이상 0.5 중량% 이하인 것을 특징으로 하는 비수전해질 전지.
- 제5항에 있어서, 상기 티탄계 산화물이 스피넬 구조를 갖는 것을 특징으로 하는 비수전해질 전지.
- 제6항에 있어서, 상기 비수전해질이 디에틸카르보네이트, 프로필렌카르보네이트 및 γ-부티로락톤으로 이루어지는 군 중 2종 이상을 혼합한 용매를 포함하는 것을 특징으로 하는 비수전해질 전지.
- 제6항에 있어서, 상기 비수전해질이 γ-부티로락톤을 포함하는 것을 특징으로 하는 비수전해질 전지.
- 제8항에 있어서, 상기 정극이 리튬 전이 금속 복합 산화물 입자, 및 상기 리튬 전이 금속 복합 산화물 입자 표면의 적어도 일부를 피복하며 Al, Mg, Zr, B, Ti 및 Ga로 이루어지는 군에서 선택되는 1종류 이상의 원소의 산화물을 함유하는 것을 특징으로 하는 비수전해질 전지.
- 제1항에 있어서, 상기 부극이 수은 압입법에 의한 세공 직경 분포에 0.01 ㎛ 이상 0.2 ㎛ 이하의 모드 직경을 갖는 제1 피크를 가지고, 수은 압입법에 의한 직경이 0.01 ㎛ 이상 0.2 ㎛ 이하인 세공 체적이 상기 부극의 중량(상기 부극 집전체의 중량을 제외함) 1 g 당 0.05 mL 이상 0.5 mL 이하인 것을 특징으로 하는 비수전해질 전지.
- 제10항에 있어서, 상기 부극이 상기 세공 직경 분포에 0.003 ㎛ 이상 0.02 ㎛ 이하의 모드 직경을 갖는 제2 피크를 가지고, 수은 압입법에 의한 직경이 0.003 ㎛ 이상 0.02 ㎛ 이하인 세공 체적이 상기 부극의 중량(상기 부극 집전체의 중량을 제외함) 1 g 당 0.0001 mL 이상 0.02 mL 이하인 것을 특징으로 하는 비수전해질 전지.
- 제12항에 있어서, 상기 불포화 탄화수소기를 갖는 술톤류가 1,3-프로펜술톤 및 1,4-부텐술톤 중 하나 이상인 것을 특징으로 하는 전지팩.
- 제13항에 있어서, 상기 화학식 1로 표시되는 관능기를 갖는 화합물이 트리스(트리메틸실릴)포스페이트인 것을 특징으로 하는 전지팩.
- 제13항에 있어서, 상기 비수전해질이 디에틸카르보네이트, 프로필렌카르보네이트 및 γ-부티로락톤으로 이루어지는 군 중 2종 이상을 혼합한 용매를 포함하는 것을 특징으로 하는 전지팩.
- 제13항에 있어서, 상기 정극이 리튬 전이 금속 복합 산화물 입자, 및 상기 리튬 전이 금속 복합 산화물 입자 표면의 적어도 일부를 피복하며 Al, Mg, Zr, B, Ti 및 Ga로 이루어지는 군에서 선택되는 1종류 이상의 원소의 산화물을 함유하는 것을 특징으로 하는 전지팩.
- 제17항에 있어서, 상기 불포화 탄화수소기를 갖는 술톤류가 1,3-프로펜술톤 및 1,4-부텐술톤 중 하나 이상인 것을 특징으로 하는 자동차.
- 제17항에 있어서, 상기 화학식 1로 표시되는 관능기를 갖는 화합물이 트리스(트리메틸실릴)포스페이트인 것을 특징으로 하는 자동차.
- 제17항에 있어서, 상기 비수전해질이 디에틸카르보네이트, 프로필렌카르보네이트 및 γ-부티로락톤으로 이루어지는 군 중 2종 이상을 혼합한 용매를 포함하는 것을 특징으로 하는 자동차.
- 제17항에 있어서, 상기 정극이 리튬 전이 금속 복합 산화물 입자, 및 상기 리튬 전이 금속 복합 산화물 입자 표면의 적어도 일부를 피복하며 Al, Mg, Zr, B, Ti 및 Ga로 이루어지는 군에서 선택되는 1종류 이상의 원소의 산화물을 함유하는 것을 특징으로 하는 자동차.
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