KR100237580B1 - 비수용성 전해액의 2차 전지와 그 제조방법 - Google Patents
비수용성 전해액의 2차 전지와 그 제조방법 Download PDFInfo
- Publication number
- KR100237580B1 KR100237580B1 KR1019930014610A KR930014610A KR100237580B1 KR 100237580 B1 KR100237580 B1 KR 100237580B1 KR 1019930014610 A KR1019930014610 A KR 1019930014610A KR 930014610 A KR930014610 A KR 930014610A KR 100237580 B1 KR100237580 B1 KR 100237580B1
- Authority
- KR
- South Korea
- Prior art keywords
- lithium
- battery
- secondary battery
- aqueous electrolyte
- active material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000003792 electrolyte Substances 0.000 title claims description 44
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- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 81
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000007773 negative electrode material Substances 0.000 claims abstract description 75
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 74
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 133
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
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Abstract
Description
Claims (20)
- 적어도 음극, 양극 및 리튬이온의 도전성 비수용성 전해질을 포함하는 비수용성 전해질의 2차전지에 있어서, 리튬 함유 실리콘 산화물이 음극 활성물질로 사용되는 것을 특징으로 하는 비수용성 전해질 2차전지.
- 제1항에 있어서, 상기 음극 활성물질로서 사용되는 리튬 함유 실리콘 산화물이 하기 조성식으로 표시되는 것을 특징으로 하는 비수용성 전해질 2차전지.LixSiOy상기식에서, x≥0, 2>y>0이다.
- 제1항 또는 제2항에 있어서, 상기 음극 활성물질로서 사용되는 리튬 함유 실리콘 산화물이 무정형인 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제1항 내지 3항중 어느 한항에 있어서, 하기 조성식으로 표시되는 층상 구조의 복합체 산화물이 양극 활성물질로 사용되는 것을 특징으로 하는 비수용성 전해질의 2차전지.LiaMbLcO2상기식에서 M은 천이금속 원소이고, L은 보론 B과 실리콘에서 선택된 하나 이상의 준금속원소이고, a,b 및 c는 다음 관계를 만족하는 수치이다: 0<a≤1.15, 0.85≤b+c≤1.3·0≤c
- 제1항 내지 제4항중 어느 한항에 있어서, 적어도 비수용성 용매 및 리튬 함유 전해질로 구성되는 에틸렌 카보네이트 함유 비수용성 전해질용액이 비수용성 전해질로 사용되는 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제5항에 있어서, 상기 비수용성 전해액이 하기 식 1로 표시되는 R·R’형 알킬 카보네이트를 포함하는 것을 특징으로 하는 비수용성 전해질의 2차전지.상기 식에서 R과 N2N+1로 표시되는 알킬기이다.
- 제6항에 있어서, 상기 R·R’형 알킬 카보네이트는 디메틸 카보네이트인 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제6항에 있어서, 상기 R·R’형 알킬 카보네이트는 디에틸 카보네이트인 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 전지를 조립한 후 전지 내부에서, 또는 전지의 제조단계중에 전지의 내부 또는 외부에서 실리콘 산화물과 리튬간의 전기화학적 반응을 일으켜 리튬이온을 실리콘산화물로 혼입함으로써 리튬을 포함하는 실리콘 산화물을 생성하는 것을 특징으로 하는 제1항 내지 제8항의 비수용성 전해질의 2차전지의 제조방법.
- 전지를 조립한 후 전지의 내부에서 또는 전지의 제조단계중에 전지의 내부 또는 외부에서 실리콘산화물과 리튬 함유 물질간에 전기화학적 반응을 일으켜 리튬을 실리콘 화합물에 혼입시킴으로서 리튬 함유 실리콘 화합물을 생성하는 것을 특징으로 하는 제1항 내지 제8항의 비수용성 전해질 2차전지의 제조방법.
- 제9항 또는 10항에 있어서, 상기 실리콘 산화물은 하기 조성식의 실리콘 저 산화물인 것을 특징으로 하는 제1항 내지 제8항의 비수용성 전해질 2차전지의 제조방법.SiOy상기식에서 0<y<2.
- 적어도 음극, 양극 및 리튬이온의 도전성 비수용성 전해질을 포함하는 비수용성 전해질의 2차전지에 있어서, 리튬 함유 실리케이트가 음극 활성물질로 사용되는 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제12항에 있어서, 상기 음극 활성물질로서 사용되는 리튬 함유 실리케이트가 무정형인 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제12항 또는 13항에 있어서, 하기 조성식으로 표시되는 층상 구조의 복합체 산화물이 양극 활성물질로 사용되는 것을 특징으로 하는 비수용성 전해질의 2차전지.LiaMbLcO2상기 식에서 M은 천이금속 원소이고, L은 보론 B과 실리콘에서 선택된 하나이상의 준금속원소이고, a,b 및 c는 다음 관계를 만족하는 수치이다: 0<a≤1.15, 0.85≤b+c≤1.3·0≤c.
- 제2항 내지 14항중 어느 한 항에 있어서, 적어도 비수용성 용매 및 리튬 함유 전해질로 구성되는 에틸렌 카보네이트 함유 비수용성 전해질 용액이 비수용성 전해질로 사용되는 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제15항에 있어서, 상기 비수용성 전해액이 하기 식 1로 표시되는 R·R’형 알킬 카보네이트를 포함하는 것을 특징으로 하는 비수용성 전해질의 2차전지.상기 식에서 R과 H2N+1로 표시되는 알킬기이다.
- 제16항에 있어서, 상기 R·R’형 알킬 카보네이트는 디메틸 카보네이트인 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 제16항에 있어서, 상기 R·R’형 알킬 카보네이트는 디에틸 카보네이트인 것을 특징으로 하는 비수용성 전해질의 2차전지.
- 전지를 조립한 후 전지 내부에서 또는 전지의 제조단계중에 전지의 내부 또는 외부에서 실리콘 산화물과 리튬간의 전기화학적 반응을 일으켜 리튬이온을 실리콘산화물로 혼힙함으로써 리튬을 포함하는 실리콘 산화물을 생성하는 것을 특징으로 하는 제12항 내지 제18항의 비수용성 전해질의 2차전지의 제조방법.
- 전지를 조립한 후 전지의 내부에서 또는 전지의 제조단계중에 전지의 내부 또는 외부에서 실리콘산화물과 리튬 함유 물질간에 전기화학적 반응을 일으켜 리튬을 실리콘 화합물에 혼입시킴으로써 리튬 함유 실리콘 화합물을 생성하는 것을 특징으로 하는 제1항 내지 제8항의 비수용성 전해질의 2차전지의 제조방법.
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JP20238392 | 1992-07-29 | ||
JP92-202383 | 1992-07-29 | ||
JP4-202383 | 1992-07-29 | ||
JP5-43058 | 1992-07-29 | ||
JP5-60520 | 1992-07-29 | ||
JP4-265179 | 1992-07-29 | ||
JP5-35851 | 1992-07-29 | ||
JP26517992 | 1992-10-02 | ||
JP3585193 | 1993-02-24 | ||
JP4305893 | 1993-03-03 | ||
JP6052093 | 1993-03-19 | ||
JP5-162958 | 1993-06-30 | ||
JP5162958A JP2997741B2 (ja) | 1992-07-29 | 1993-06-30 | 非水電解質二次電池及びその製造方法 |
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- 1993-07-26 DE DE69318897T patent/DE69318897T2/de not_active Expired - Lifetime
- 1993-07-26 EP EP93111938A patent/EP0582173B1/en not_active Expired - Lifetime
- 1993-07-27 US US08/097,714 patent/US5395711A/en not_active Expired - Lifetime
- 1993-07-29 KR KR1019930014610A patent/KR100237580B1/ko not_active Expired - Lifetime
Cited By (3)
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KR100404290B1 (ko) * | 1996-07-19 | 2003-12-18 | 소니 가부시끼 가이샤 | 음극재료및이를사용한비-수성액체전해질이차전지 |
KR20210124504A (ko) * | 2014-01-16 | 2021-10-14 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 비수전해질 이차 전지용 부극재 및 부극 활물질 입자의 제조 방법 |
KR102473873B1 (ko) * | 2014-01-16 | 2022-12-06 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 비수전해질 이차 전지용 부극재 및 부극 활물질 입자의 제조 방법 |
Also Published As
Publication number | Publication date |
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EP0582173A1 (en) | 1994-02-09 |
JPH06325765A (ja) | 1994-11-25 |
DE69318897D1 (de) | 1998-07-09 |
US5395711A (en) | 1995-03-07 |
EP0582173B1 (en) | 1998-06-03 |
DE69318897T2 (de) | 1998-10-01 |
KR940006306A (ko) | 1994-03-23 |
JP2997741B2 (ja) | 2000-01-11 |
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