KR100882387B1 - 비수전해액 및 이것을 포함하는 2차전지 - Google Patents
비수전해액 및 이것을 포함하는 2차전지 Download PDFInfo
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- KR100882387B1 KR100882387B1 KR1020077007163A KR20077007163A KR100882387B1 KR 100882387 B1 KR100882387 B1 KR 100882387B1 KR 1020077007163 A KR1020077007163 A KR 1020077007163A KR 20077007163 A KR20077007163 A KR 20077007163A KR 100882387 B1 KR100882387 B1 KR 100882387B1
- Authority
- KR
- South Korea
- Prior art keywords
- mass
- nonaqueous electrolyte
- carbonate
- alkali salt
- boron
- Prior art date
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 86
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052796 boron Inorganic materials 0.000 claims abstract description 43
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Images
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- H01M2300/0025—Organic electrolyte
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
Claims (13)
- (a) 비수용매,(b) 상기 비수용매에 용해한 용질, 및(c) 수소 첨가된 테르페닐을 포함하고,상기 용질(b)가, 붕소를 함유한 알칼리염 및 붕소를 함유하지 않는 알칼리염으로 이루어지며,디페닐에테르(DPE)를 0.1질량%∼1질량% 더 함유하는, 비수전해액.
- 제 1 항에 있어서, 상기 수소 첨가된 테르페닐(c)가, 상기 비수전해액중에, 0.5질량%∼3.5질량% 함유되어 있는, 비수전해액.
- 제 1 항에 있어서, 상기 수소 첨가된 테르페닐(c)가, 상기 비수전해액중에, 1.0질량%∼1.5질량% 함유되어 있는, 비수전해액.
- 제 1 항에 있어서, 상기 붕소를 함유한 알칼리염이, LiBF4, NaBF4 및 KBF4로 이루어진 군으로부터 선택된 적어도 1종으로 이루어지는, 비수전해액.
- 제 1 항에 있어서, 상기 붕소를 함유한 알칼리염이, 상기 비수전해액중에, 0.1질량%∼0.5질량% 함유되어 있는, 비수전해액.
- 제 1 항에 있어서, 상기 붕소를 함유한 알칼리염이, 상기 비수전해액중에, 0.15질량%∼0.35질량% 함유되어 있는, 비수전해액.
- 제 1 항에 있어서, 상기 붕소를 함유하지 않는 알칼리염이, LiPF6, LiClO4, LiAsF6, LiCF3SO3, LiN(SO2CF3)2, LiN(SO2C2F5)2, 및 LiC(SO2CF3)3으로 이루어진 군으로부터 선택된 적어도 1종으로 이루어지는, 비수전해액.
- 삭제
- 제 1 항에 있어서, 상기 비수용매(a)가, C=C 불포화 결합을 갖지 않는 환상 카보네이트 및 C=C 불포화 결합을 갖지 않는 쇄상 카보네이트를 포함한, 비수전해액.
- 제 9 항에 있어서, 상기 C=C 불포화 결합을 갖지 않는 환상 카보네이트가, 에틸렌카보네이트, 프로필렌카보네이트 및 부틸렌카보네이트로 이루어진 군으로부터 선택된 적어도 1종으로 이루어지는, 비수전해액.
- 제 9 항에 있어서, 상기 C=C 불포화 결합을 갖지 않는 쇄상 카보네이트가, 디메틸카보네이트, 디에틸카보네이트 및 에틸메틸카보네이트로 이루어진 군으로부터 선택된 적어도 1종으로 이루어지는, 비수전해액.
- 제 1 항에 있어서, C=C 불포화 결합을 가진 환상 카보네이트 및 디카르본산무수물로 이루어진 군으로부터 선택된 적어도 1종을, 0.001질량%∼10질량% 더 함유하는, 비수전해액.
- 리튬 함유 산화물로 이루어지는 활물질을 포함한 양극, 리튬을 흡수저장 및 방출 가능한 활물질을 포함한 음극, 상기 양극과 음극 사이에 개재한 세퍼레이터, 및 제 1 항에 기재된 비수전해액으로 이루어지는, 비수전해액 2차전지.
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US (1) | US20070254215A1 (ko) |
KR (1) | KR100882387B1 (ko) |
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WO (1) | WO2006025319A1 (ko) |
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KR20080031151A (ko) * | 2005-07-21 | 2008-04-08 | 마츠시타 덴끼 산교 가부시키가이샤 | 비수전해질 2차 전지 및 그의 제조방법 |
JP4994677B2 (ja) | 2006-02-28 | 2012-08-08 | パナソニック株式会社 | 非水電解液二次電池 |
JP5235373B2 (ja) * | 2007-09-28 | 2013-07-10 | 三洋電機株式会社 | 非水電解質二次電池 |
FR2933240B1 (fr) * | 2008-06-25 | 2010-10-22 | Commissariat Energie Atomique | Electrolyte non-aqueux pour accumulateur au lithium a tension elevee |
CN101740822B (zh) * | 2008-11-21 | 2012-12-12 | 上海比亚迪有限公司 | 电解液及含有该电解液的锂离子电池 |
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JP4137452B2 (ja) * | 2002-01-16 | 2008-08-20 | 三菱化学株式会社 | 非水系電解液及びそれを用いたリチウム二次電池 |
KR100462782B1 (ko) * | 2002-06-18 | 2004-12-20 | 삼성에스디아이 주식회사 | 내누액성이 우수한 고분자 전해질 및 이를 채용한 리튬 전지 |
JP4186115B2 (ja) * | 2003-06-11 | 2008-11-26 | ソニー株式会社 | リチウムイオン二次電池 |
KR101094115B1 (ko) * | 2003-12-15 | 2011-12-15 | 미쓰비시 쥬시 가부시끼가이샤 | 비수계 전해질 이차 전지 |
-
2005
- 2005-08-29 WO PCT/JP2005/015650 patent/WO2006025319A1/ja active Application Filing
- 2005-08-29 KR KR1020077007163A patent/KR100882387B1/ko active IP Right Grant
- 2005-08-29 CN CNB2005800293514A patent/CN100527519C/zh active Active
- 2005-08-29 US US11/661,682 patent/US20070254215A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002343429A (ja) * | 2001-05-22 | 2002-11-29 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
KR20030032765A (ko) * | 2001-10-20 | 2003-04-26 | 삼성에스디아이 주식회사 | 과충전 안전성이 우수한 비수계 전해액 및 이를 채용한리튬 전지 |
KR20030057321A (ko) * | 2001-12-28 | 2003-07-04 | 미쓰이 가가쿠 가부시키가이샤 | 비수전해액 및 그것을 사용한 리튬 2차전지 |
Also Published As
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WO2006025319A1 (ja) | 2006-03-09 |
US20070254215A1 (en) | 2007-11-01 |
KR20070047841A (ko) | 2007-05-07 |
CN100527519C (zh) | 2009-08-12 |
CN101010828A (zh) | 2007-08-01 |
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