CN102237524B - 表面包覆钴酸锂、制备方法及锂离子电池 - Google Patents
表面包覆钴酸锂、制备方法及锂离子电池 Download PDFInfo
- Publication number
- CN102237524B CN102237524B CN201010166205.9A CN201010166205A CN102237524B CN 102237524 B CN102237524 B CN 102237524B CN 201010166205 A CN201010166205 A CN 201010166205A CN 102237524 B CN102237524 B CN 102237524B
- Authority
- CN
- China
- Prior art keywords
- lithium
- surface coating
- ion battery
- lithium ion
- preparation
- 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.)
- Active
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- 239000002253 acid Substances 0.000 title claims abstract description 25
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 20
- 239000011248 coating agent Substances 0.000 title claims abstract description 17
- 238000000576 coating method Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 title description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 23
- 239000010941 cobalt Substances 0.000 claims abstract description 23
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910012851 LiCoO 2 Inorganic materials 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 8
- 239000006258 conductive agent Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 4
- 239000010406 cathode material Substances 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims description 2
- SJHAYVFVKRXMKG-UHFFFAOYSA-N 4-methyl-1,3,2-dioxathiolane 2-oxide Chemical compound CC1COS(=O)O1 SJHAYVFVKRXMKG-UHFFFAOYSA-N 0.000 claims description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 239000008247 solid mixture Substances 0.000 claims description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000010165 autogamy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010166205.9A CN102237524B (zh) | 2010-04-29 | 2010-04-29 | 表面包覆钴酸锂、制备方法及锂离子电池 |
HK12103207.9A HK1162756A1 (zh) | 2010-04-29 | 2012-03-31 | 表面包覆鈷酸鋰、製備方法及鋰離子電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010166205.9A CN102237524B (zh) | 2010-04-29 | 2010-04-29 | 表面包覆钴酸锂、制备方法及锂离子电池 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102237524A CN102237524A (zh) | 2011-11-09 |
CN102237524B true CN102237524B (zh) | 2015-11-25 |
Family
ID=44887939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010166205.9A Active CN102237524B (zh) | 2010-04-29 | 2010-04-29 | 表面包覆钴酸锂、制备方法及锂离子电池 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN102237524B (zh) |
HK (1) | HK1162756A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103199242B (zh) * | 2013-03-05 | 2017-05-03 | 东莞新能源科技有限公司 | 硼硅酸盐包覆改性的钴酸锂及其制备方法 |
CN104009223A (zh) * | 2014-06-18 | 2014-08-27 | 中信国安盟固利电源技术有限公司 | 一种湿法包覆锂离子二次电池正极材料钴酸锂的方法 |
CN104393286B (zh) * | 2014-11-26 | 2017-02-01 | 南通瑞翔新材料有限公司 | 一种高电压钴酸锂正极材料的水系包覆方法 |
CN105655576A (zh) * | 2016-04-12 | 2016-06-08 | 北京晶晶星科技有限公司 | 一种包覆改性锰酸锂及其制备方法 |
CN106299305A (zh) * | 2016-09-29 | 2017-01-04 | 中国科学院新疆理化技术研究所 | 一种锂离子电池三元正极材料的快离子导体包覆改性方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1565063A (zh) * | 2002-04-23 | 2005-01-12 | Lg化学株式会社 | 提高循环寿命和安全性的金属锂复合氧化物及其制备方法 |
CN101359736A (zh) * | 2008-07-16 | 2009-02-04 | 宁波金和新材料有限公司 | 表面包覆Li2O·2B2O3的二次锂离子电池正极活性材料及制备方法 |
CN101609893A (zh) * | 2008-06-16 | 2009-12-23 | 中信国安盟固利新能源科技有限公司 | 锂离子二次电池正极材料及其制备方法 |
-
2010
- 2010-04-29 CN CN201010166205.9A patent/CN102237524B/zh active Active
-
2012
- 2012-03-31 HK HK12103207.9A patent/HK1162756A1/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1565063A (zh) * | 2002-04-23 | 2005-01-12 | Lg化学株式会社 | 提高循环寿命和安全性的金属锂复合氧化物及其制备方法 |
CN101609893A (zh) * | 2008-06-16 | 2009-12-23 | 中信国安盟固利新能源科技有限公司 | 锂离子二次电池正极材料及其制备方法 |
CN101359736A (zh) * | 2008-07-16 | 2009-02-04 | 宁波金和新材料有限公司 | 表面包覆Li2O·2B2O3的二次锂离子电池正极活性材料及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102237524A (zh) | 2011-11-09 |
HK1162756A1 (zh) | 2012-08-31 |
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