CN101986797B - 用于锂蓄电池的阳极活性材料、其制备方法以及包含其的锂蓄电池 - Google Patents
用于锂蓄电池的阳极活性材料、其制备方法以及包含其的锂蓄电池 Download PDFInfo
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- CN101986797B CN101986797B CN2009800004654A CN200980000465A CN101986797B CN 101986797 B CN101986797 B CN 101986797B CN 2009800004654 A CN2009800004654 A CN 2009800004654A CN 200980000465 A CN200980000465 A CN 200980000465A CN 101986797 B CN101986797 B CN 101986797B
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 73
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 239000006183 anode active material Substances 0.000 title abstract description 6
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 51
- 239000002245 particle Substances 0.000 claims abstract description 48
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 35
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 34
- 239000011149 active material Substances 0.000 claims description 94
- 238000003860 storage Methods 0.000 claims description 65
- 229910008416 Li-Ti Inorganic materials 0.000 claims description 60
- 229910006861 Li—Ti Inorganic materials 0.000 claims description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 34
- 239000004020 conductor Substances 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- 239000010439 graphite Substances 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 10
- 239000006245 Carbon black Super-P Substances 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000011302 mesophase pitch Substances 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000011280 coal tar Substances 0.000 claims description 2
- 239000000571 coke Substances 0.000 claims description 2
- 229910021385 hard carbon Inorganic materials 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000011160 research Methods 0.000 claims description 2
- 229910021384 soft carbon Inorganic materials 0.000 claims description 2
- FDLZQPXZHIFURF-UHFFFAOYSA-N [O-2].[Ti+4].[Li+] Chemical compound [O-2].[Ti+4].[Li+] FDLZQPXZHIFURF-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052596 spinel Inorganic materials 0.000 abstract description 3
- 239000011029 spinel Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 18
- 239000000203 mixture Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000011258 core-shell material Substances 0.000 description 7
- 239000007772 electrode material Substances 0.000 description 7
- 239000011244 liquid electrolyte Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- 238000004626 scanning electron microscopy Methods 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910013716 LiNi Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002388 carbon-based active material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- NYAVNTYRFWSLQL-UHFFFAOYSA-N lithium oxygen(2-) titanium(4+) Chemical compound [Li+].[O--].[O--].[Ti+4] NYAVNTYRFWSLQL-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- -1 native graphite Chemical compound 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WKMKTIVRRLOHAJ-UHFFFAOYSA-N oxygen(2-);thallium(1+) Chemical compound [O-2].[Tl+].[Tl+] WKMKTIVRRLOHAJ-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910003438 thallium oxide Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- H01M4/48—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
-
- 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
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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 Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
类别 | 涂覆材料 | 涂层含量(重量比) | 起始电阻[mΩ] | 第一效率(%) | 比容量(mAh/g) |
实施例1 | L,C,T | 2.0/0.5/0.1 | 3.813 | 80.3 | 145.0 |
实施例2 | L,C,T | 1.5/0.3/0.1 | 3.930 | 80.5 | 146.9 |
实施例3 | L,T | 2.5/0.1 | 4.208 | 79.8 | 140.0 |
比较实施例1 | X | X | 2.920 | 82.5 | 150.9 |
比较实施例2 | X | 10(L),混合 | 5.435 | 78.3 | 133.3 |
比较实施例3 | L | 2.0,热处理 | 4.945 | 80.3 | 145.0 |
类别 | 涂覆材料 | 20C放电性能(0.5C,%) | 5.0C充电性能 | 循环寿命(1000循环)(相对容量,%) | 比容量(mAh/g) |
实施例1 | L,C,T | 96.6 | 81.5% | 98.6 | 3.943 |
实施例2 | L,C,T | 91.5 | 81.4% | 94.4 | 4.015 |
实施例3 | L,T | 81.6 | 78.8% | 88.8 | 4.895 |
比较实施例1 | X | 84.9 | 72.4% | 86.2 | 4.104 |
比较实施例2 | 10(L),混合 | 80.4 | 68.9% | 76.7 | 11.02 |
比较实施例3 | L | 96.6 | 78.6% | 93.9 | 6.102 |
Claims (14)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/KR2009/002776 WO2010137753A1 (ko) | 2009-05-26 | 2009-05-26 | 리튬 이차전지용 음극 활물질 및 그 제조방법과 이를 포함하는 리튬 이차전지 |
Publications (2)
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CN101986797A CN101986797A (zh) | 2011-03-16 |
CN101986797B true CN101986797B (zh) | 2013-08-14 |
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CN2009800004654A Active CN101986797B (zh) | 2009-05-26 | 2009-05-26 | 用于锂蓄电池的阳极活性材料、其制备方法以及包含其的锂蓄电池 |
Country Status (5)
Country | Link |
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US (1) | US10283762B2 (zh) |
EP (1) | EP2450988A4 (zh) |
JP (1) | JP5524202B2 (zh) |
CN (1) | CN101986797B (zh) |
WO (1) | WO2010137753A1 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101334609B1 (ko) * | 2010-12-21 | 2013-11-29 | 주식회사 엘지화학 | 음극 활물질 및 이를 이용한 이차전지 |
KR101308677B1 (ko) * | 2011-05-31 | 2013-09-13 | 주식회사 코캄 | 리튬 이차전지 |
KR101465490B1 (ko) * | 2011-11-30 | 2014-11-26 | 주식회사 코캄 | 안전성과 안정성이 향상된 리튬 이차 전지 |
EP2894699B1 (en) * | 2012-09-03 | 2018-07-11 | Nippon Chemi-Con Corporation | Electrode material for lithium ion secondary batteries, method for producing electrode material for lithium ion secondary batteries, and lithium ion secondary battery |
CN103050705A (zh) * | 2013-01-06 | 2013-04-17 | 天津市捷威动力工业有限公司 | 一种钛酸锂表涂负极及使用该种负极的锂离子电池 |
CN105264113A (zh) | 2013-06-04 | 2016-01-20 | 索尔维特殊聚合物意大利有限公司 | 用于锂二次电池的核-壳型阳极活性材料、用于制备该核-壳型阳极活性材料的方法以及含有该核-壳型阳极活性材料的锂二次电池 |
JP6494598B2 (ja) * | 2013-06-20 | 2019-04-03 | エルジー・ケム・リミテッド | リチウム二次電池用高容量電極活物質及びこれを用いたリチウム二次電池 |
KR101785268B1 (ko) * | 2013-12-10 | 2017-10-16 | 삼성에스디아이 주식회사 | 음극 활물질, 이를 포함하는 리튬 전지 및 상기 음극 활물질의 제조방법 |
JP6476944B2 (ja) * | 2015-02-06 | 2019-03-06 | 株式会社リコー | 非水電解液蓄電素子 |
CN105047929A (zh) * | 2015-06-08 | 2015-11-11 | 内蒙古瑞盛石墨新材料有限公司 | 一种多孔结构的锂离子电池负极材料及其制备方法 |
KR102473531B1 (ko) | 2015-09-24 | 2022-12-05 | 삼성전자주식회사 | 복합 전극활물질, 이를 채용한 전극과 리튬전지, 및 복합 전극활물질 제조방법 |
KR102537225B1 (ko) | 2015-10-23 | 2023-05-30 | 삼성전자주식회사 | 복합 음극 활물질, 상기 복합 음극 활물질을 포함하는 음극 및 상기 음극을 포함하는 리튬 이차전지 |
WO2017082680A1 (ko) * | 2015-11-11 | 2017-05-18 | 주식회사 엘지화학 | 음극 활물질 및 이를 포함하는 리튬 이차전지 |
KR101956827B1 (ko) | 2015-11-11 | 2019-03-13 | 주식회사 엘지화학 | 음극 활물질 및 이를 포함하는 리튬 이차전지 |
JP7053192B2 (ja) * | 2017-08-30 | 2022-04-12 | 旭化成株式会社 | 非水電解質電池用吸着層並びにこれを用いた非水電解質電池用セパレータ及び非水電解質電池 |
KR102259971B1 (ko) | 2017-10-20 | 2021-06-02 | 주식회사 엘지에너지솔루션 | 음극 활물질 및 이를 포함하는 전고체 전지용 음극 |
KR102715682B1 (ko) | 2019-05-13 | 2024-10-11 | 한국전기연구원 | 탄소재 표면에 금속 인화물 코팅을 포함하는 음극 활물질, 그의 제조 방법 및 이러한 음극 활물질을 구비한 비수계 리튬이차전지 및 그의 제조 방법 |
WO2025053667A1 (ko) * | 2023-09-06 | 2025-03-13 | 주식회사 엘지에너지솔루션 | 음극 및 상기 음극을 포함하는 리튬이온 이차전지 |
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JP4729774B2 (ja) | 2000-02-28 | 2011-07-20 | 株式会社豊田中央研究所 | リチウム二次電池用負極材料の製造方法 |
KR100433822B1 (ko) | 2002-01-17 | 2004-06-04 | 한국과학기술연구원 | 금속이 피복된 탄소 활물질, 이의 제조방법, 및 이를포함하는 금속-탄소 하이브리드 전극 및 리튬이차전지 |
WO2005114767A1 (en) | 2004-04-23 | 2005-12-01 | Lg Chem, Ltd. | Anode active material with improved electrochemical properties and electrochemical device comprising the same |
JP4284232B2 (ja) * | 2004-05-20 | 2009-06-24 | 株式会社東芝 | 非水電解質二次電池 |
JP2006066298A (ja) | 2004-08-27 | 2006-03-09 | Toyota Motor Corp | リチウム二次電池 |
JP2006278282A (ja) | 2005-03-30 | 2006-10-12 | Sanyo Electric Co Ltd | 非水電解液二次電池 |
KR100816586B1 (ko) | 2006-01-27 | 2008-03-24 | 엘에스전선 주식회사 | 2차 전지용 음극재, 이를 이용한 2차 전지, 2차 전지용음극재 제조방법 및 이를 이용한 2차 전지 |
WO2009002053A2 (en) * | 2007-06-22 | 2008-12-31 | Lg Chem, Ltd. | Anode material of excellent conductivity and high power secondary battery employed with the same |
KR100888685B1 (ko) | 2007-11-05 | 2009-03-13 | 주식회사 코캄 | 코어-쉘형 리튬 이차전지용 음극 활물질 및 그 제조방법과이를 포함하는 리튬 이차전지 |
JP2009252421A (ja) * | 2008-04-03 | 2009-10-29 | Toyota Motor Corp | 負極活物質およびその製造方法ならびに該負極活物質を備えた電池 |
KR101105878B1 (ko) * | 2008-12-02 | 2012-01-16 | 주식회사 코캄 | 리튬 이차전지용 코어-쉘형 음극 활물질 및 그 제조방법과 이를 포함하는 리튬 이차전지 |
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EP2450988A1 (en) | 2012-05-09 |
CN101986797A (zh) | 2011-03-16 |
EP2450988A4 (en) | 2014-06-04 |
JP5524202B2 (ja) | 2014-06-18 |
US10283762B2 (en) | 2019-05-07 |
JP2011521436A (ja) | 2011-07-21 |
WO2010137753A1 (ko) | 2010-12-02 |
US20190088936A1 (en) | 2019-03-21 |
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