KR100467454B1 - 리튬 황 전지용 양극 활물질 조성물 및 이를 사용하여 제조된 리튬 황 전지 - Google Patents
리튬 황 전지용 양극 활물질 조성물 및 이를 사용하여 제조된 리튬 황 전지 Download PDFInfo
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- KR100467454B1 KR100467454B1 KR10-2002-0040005A KR20020040005A KR100467454B1 KR 100467454 B1 KR100467454 B1 KR 100467454B1 KR 20020040005 A KR20020040005 A KR 20020040005A KR 100467454 B1 KR100467454 B1 KR 100467454B1
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- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical group C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 4
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- 229910052717 sulfur Inorganic materials 0.000 description 14
- 239000011593 sulfur Substances 0.000 description 14
- 229910052744 lithium Inorganic materials 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
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- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 4
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- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
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- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- H01M10/052—Li-accumulators
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
-
- 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
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
- H01M4/623—Binders being polymers fluorinated polymers
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (23)
- 삭제
- 삭제
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- 삭제
- 삭제
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- 삭제
- 황 계열 화합물을 포함하는 양극 활물질;도전재;유기 용매;상기 유기 용매에 15 마이크로미터 이하의 에멀젼 형태로 분산되어 있으며, 불소계 중합체를 포함하는 바인더; 및점도 제어제를 포함하는 리튬 황 전지용 양극 활물질 조성물.
- 제 8 항에 있어서, 상기 양극 활물질 조성물은 상기 바인더를 2 내지 6 중량%의 양으로 포함하는 것인 리튬 황 전지용 양극 활물질 조성물.
- 제 9 항에 있어서, 상기 양극 활물질 조성물은 상기 바인더를 2 내지 3 중량%의 양으로 포함하는 것인 리튬 황 전지용 양극 활물질 조성물.
- 제 8 항에 있어서, 상기 불소계 중합체는 하기 화학식 1로 표시되는 것인 리튬 황 전지용 양극 활물질 조성물.[화학식 1](상기 화학식 1에서, x는 0.5 내지 1.0이고,y는 0 내지 0.5이다)
- 제 8 항에 있어서, 상기 불소계 중합체는 C2F3Cl, C2H3F 및 CH3(CF3C2H4)SiO로 이루어진 군에서 선택되는 모노머로 구성된 단일중합체와 C2F4, C2F3Cl, CH2CF2, C2H3F 및 CH3(CF3C2H4)SiO로 이루어진 군에서 선택되는 제 1 모노머와 C2H4, C3H6, CH2=CHOR(R은 C1 내지 C20의 알킬기임), C3F6및 CF2=CFORf(Rf는 적어도 하나 이상의 불소 원자를 포함하는 C1 내지 C20의 알킬기임)로 이루어진 군에서 선택되는 제 2 모노머로 구성된 공중합체 중에서 선택되는 것인 리튬 황 전지용 양극 활물질 조성물.
- 제 8 항에 있어서, 상기 바인더는 아크릴로니트릴 함유 공중합체를 더욱 포함하는 것인 리튬 황 전지용 양극 활물질 조성물.
- 제 13 항에 있어서, 상기 아크릴로니트릴 함유 공중합체는 아크릴로니트릴-부타디엔-스티렌 러버, 아크릴로니트릴-부타디엔 러버 및 변성 스티렌-부타디엔 러버로 이루어진 군에서 선택되는 것인 리튬 황 전지용 양극 활물질 조성물.
- 제 13 항에 있어서, 상기 아크릴로니트릴 함유 공중합체는 하기 화학식 2로 표시되는 것인 리튬 황 전지용 양극 활물질 조성물.[화학식 2](상기 화학식 2에서, a는 0, 5 < b < 40, 60 < c < 95;60 < a < 95, 5 < b < 40, c는 0; 또는20 < a < 75, 5 < b < 20, 20 < c < 75)
- 제 13 항에 있어서, 상기 아크릴로니트릴 함유 공중합체는 비수성인 리튬 황 전지용 양극 활물질 조성물.
- 하기 화학식 1로 표시되는 불소계 중합체 또는 C2F3Cl, C2H3F 및 CH3(CF3C2H4)SiO로 이루어진 군에서 선택되는 모노머로 구성된 단일중합체와 C2F4, C2F3Cl, CH2CF2, C2H3F 및 CH3(CF3C2H4)SiO로 이루어진 군에서 선택되는 제 1 모노머와 C2H4, C3H6, CH2=CHOR(R은 C1 내지 C20의 알킬기임), C3F6및 CF2=CFORf(Rf는 적어도 하나 이상의 불소 원자를 포함하는 C1 내지 C20의 알킬기임)로 이루어진 군에서 선택되는 제 2 모노머로 구성된 공중합체 중에서 선택되는 불소계 중합체를 포함하는 바인더를 사용한 리튬 황 전지.[화학식 1](상기 화학식 1에서, x는 0.5 내지 1.0이고,y는 0 내지 0.5이다)
- 삭제
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- 제 17 항에 있어서, 상기 리튬 황 전지용 바인더는 아크릴로니트릴 함유 공중합체를 더욱 포함하는 리튬 황 전지.
- 제 20 항에 있어서, 상기 아크릴로니트릴 함유 공중합체는 아크릴로니트릴-부타디엔-스티렌 러버, 아크릴로니트릴-부타디엔 러버 및 변성 스티렌-부타디엔 러버로 이루어진 군에서 선택되는 것인 리튬 황 전지.
- 제 20 항에 있어서, 상기 아크릴로니트릴 함유 공중합체는 하기 화학식 2로 표시되는 것인 리튬 황 전지.[화학식 2](상기 화학식 2에서, a는 0, 5 < b < 40, 60 < c < 95;60 < a < 95, 5 < b < 40, c는 0; 또는20 < a < 75, 5 < b < 20, 20 < c < 75)
- 제 20 항에 있어서, 상기 아크릴로니트릴 함유 공중합체는 비수성인 리튬 황 전지.
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KR10-2002-0040005A KR100467454B1 (ko) | 2002-07-10 | 2002-07-10 | 리튬 황 전지용 양극 활물질 조성물 및 이를 사용하여 제조된 리튬 황 전지 |
US10/431,367 US20040009397A1 (en) | 2002-07-10 | 2003-05-08 | Binder for lithium-sulfur battery, positive active material composition comprising same and lithium-sulfur battery comprising same |
CNA031314759A CN1467258A (zh) | 2002-07-10 | 2003-05-15 | 锂硫电池的粘合剂及包含它的正极活性物质组合物以及包含该组合物的锂硫电池 |
JP2003154868A JP2004047460A (ja) | 2002-07-10 | 2003-05-30 | リチウム硫黄電池用バインダー、これを含む正極活物質組成物及びこれを使用して製造されたリチウム硫黄電池 |
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KR20160119596A (ko) | 2015-04-06 | 2016-10-14 | 현대자동차주식회사 | 리튬이온 배터리 전극 구조 및 이의 제조방법 |
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KR100612227B1 (ko) * | 2003-05-22 | 2006-08-11 | 삼성에스디아이 주식회사 | 리튬 설퍼 전지용 양극 및 이를 포함하는 리튬 설퍼 전지 |
US20070060708A1 (en) * | 2005-09-13 | 2007-03-15 | Jian Wang | Vinyl fluoride-based copolymer binder for battery electrodes |
KR100818261B1 (ko) * | 2006-11-17 | 2008-03-31 | 삼성에스디아이 주식회사 | 연료전지용 전극 바인더, 이를 포함한 연료전지용 전극, 그제조방법 및 이를이용한 연료전지 |
US20090006164A1 (en) * | 2007-06-29 | 2009-01-01 | Caterpillar Inc. | System and method for optimizing workforce engagement |
US10096810B2 (en) * | 2012-05-10 | 2018-10-09 | Samsung Sdi Co., Ltd. | Separator and method of manufacturing the same and rechargeable lithium battery including the same |
KR20170026397A (ko) * | 2014-07-04 | 2017-03-08 | 제이에스알 가부시끼가이샤 | 축전 디바이스용 결합제 조성물 |
KR101764470B1 (ko) * | 2014-10-02 | 2017-08-02 | 주식회사 엘지화학 | 이종의 바인더를 포함하는 양극 활물질 슬러리 및 이로부터 제조된 양극 |
DE102015208197B3 (de) * | 2015-05-04 | 2016-08-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Elektrolyt für eine Alkali-Schwefel-Batterie, Alkali-Schwefel-Batterie enthaltend den Elektrolyten und Verwendungen ihrer Bestandteile |
CN107346818B (zh) * | 2016-05-06 | 2020-04-07 | 宁德新能源科技有限公司 | 阴极极片及其制备方法以及锂离子电池 |
JPWO2022130989A1 (ko) * | 2020-12-16 | 2022-06-23 |
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CN1467258A (zh) | 2004-01-14 |
JP2004047460A (ja) | 2004-02-12 |
KR20040005438A (ko) | 2004-01-16 |
US20040009397A1 (en) | 2004-01-15 |
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