CN102255076A - 表面包覆碳层的石墨材料、制备方法及应用 - Google Patents
表面包覆碳层的石墨材料、制备方法及应用 Download PDFInfo
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- CN102255076A CN102255076A CN2010101767243A CN201010176724A CN102255076A CN 102255076 A CN102255076 A CN 102255076A CN 2010101767243 A CN2010101767243 A CN 2010101767243A CN 201010176724 A CN201010176724 A CN 201010176724A CN 102255076 A CN102255076 A CN 102255076A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 39
- 239000007770 graphite material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000005087 graphitization Methods 0.000 claims description 32
- 238000003763 carbonization Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910021382 natural graphite Inorganic materials 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 239000011294 coal tar pitch Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 239000010406 cathode material Substances 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 description 16
- 239000000047 product Substances 0.000 description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 239000011149 active material Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 7
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 238000003466 welding Methods 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)
Abstract
Description
石墨 | 放电容量(mAh/g) | 首次效率 |
A | 355.8 | 93.4% |
B | 356.5 | 93.6% |
C | 362.4 | 94.4% |
D | 364.8 | 94.2% |
E | 365.6 | 94.0% |
F | 366.1 | 94.2% |
实施例 | 正极活性物质 | 负极活性物质 |
1 | 钴酸锂 | A |
2 | 钴酸锂 | B |
3 | 钴酸锂 | C |
4 | 钴酸锂 | D |
5 | 钴酸锂 | E |
6 | 钴酸锂 | F |
实施例 | 25度容量 | 25度尺寸 | 10度容量 | 10度尺寸 | 容量保持率 | 尺寸变化率 |
1 | 1075.1 | 5.18 | 1012.7 | 5.18 | 94.2% | 0.00% |
2 | 1073.5 | 5.18 | 979.0 | 5.19 | 91.2% | 0.2% |
3 | 1097.4 | 5.15 | 1031.5 | 5.16 | 94.0% | 0.2% |
4 | 1096.5 | 5.16 | 1004.4 | 5.20 | 91.6% | 0.78% |
5 | 1088.1 | 5.24 | 998.9 | 5.27 | 91.8% | 0.57% |
6 | 1098.4 | 5.21 | 980.9 | 5.30 | 89.3% | 1.78% |
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010176724.3A CN102255076B (zh) | 2010-05-19 | 2010-05-19 | 表面包覆碳层的石墨材料、制备方法及应用 |
HK12103501.2A HK1163353A1 (zh) | 2010-05-19 | 2012-04-10 | 表面包覆碳層的石墨材料、製備方法及應用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010176724.3A CN102255076B (zh) | 2010-05-19 | 2010-05-19 | 表面包覆碳层的石墨材料、制备方法及应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102255076A true CN102255076A (zh) | 2011-11-23 |
CN102255076B CN102255076B (zh) | 2016-02-10 |
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CN201010176724.3A Active CN102255076B (zh) | 2010-05-19 | 2010-05-19 | 表面包覆碳层的石墨材料、制备方法及应用 |
Country Status (2)
Country | Link |
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CN (1) | CN102255076B (zh) |
HK (1) | HK1163353A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103086363A (zh) * | 2012-12-21 | 2013-05-08 | 顾向红 | 利用石墨微粉制备锂离子负极材料的方法 |
CN103151497A (zh) * | 2013-03-16 | 2013-06-12 | 无锡东恒新能源材料有限公司 | 一种低温锂离子电池负极材料的制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000182617A (ja) * | 1998-12-16 | 2000-06-30 | Nkk Corp | リチウム二次電池電極用炭素材料およびその製造方法およびリチウム二次電池 |
CN1481041A (zh) * | 2002-07-31 | 2004-03-10 | ���µ�����ҵ��ʽ���� | 锂二次电池 |
CN1702894A (zh) * | 2005-04-20 | 2005-11-30 | 深圳市贝特瑞电子材料有限公司 | 锂离子电池负极材料及其制备方法 |
CN1726168A (zh) * | 2002-12-19 | 2006-01-25 | 杰富意化学株式会社 | 复合石墨颗粒及其制造方法、使用其的锂离子二次电池的负极材料和锂离子二次电池 |
CN1923681A (zh) * | 2006-08-14 | 2007-03-07 | 长沙市海容电子材料有限公司 | 具有壳-核结构的石墨材料及其制备方法 |
CN101087021A (zh) * | 2007-07-18 | 2007-12-12 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池用人造石墨负极材料及其制备方法 |
CN101162775A (zh) * | 2006-10-10 | 2008-04-16 | 中国电子科技集团公司第十八研究所 | 一种高性能锂离子电池负极材料及其制备方法 |
-
2010
- 2010-05-19 CN CN201010176724.3A patent/CN102255076B/zh active Active
-
2012
- 2012-04-10 HK HK12103501.2A patent/HK1163353A1/zh unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000182617A (ja) * | 1998-12-16 | 2000-06-30 | Nkk Corp | リチウム二次電池電極用炭素材料およびその製造方法およびリチウム二次電池 |
CN1481041A (zh) * | 2002-07-31 | 2004-03-10 | ���µ�����ҵ��ʽ���� | 锂二次电池 |
CN1726168A (zh) * | 2002-12-19 | 2006-01-25 | 杰富意化学株式会社 | 复合石墨颗粒及其制造方法、使用其的锂离子二次电池的负极材料和锂离子二次电池 |
CN1702894A (zh) * | 2005-04-20 | 2005-11-30 | 深圳市贝特瑞电子材料有限公司 | 锂离子电池负极材料及其制备方法 |
CN1923681A (zh) * | 2006-08-14 | 2007-03-07 | 长沙市海容电子材料有限公司 | 具有壳-核结构的石墨材料及其制备方法 |
CN101162775A (zh) * | 2006-10-10 | 2008-04-16 | 中国电子科技集团公司第十八研究所 | 一种高性能锂离子电池负极材料及其制备方法 |
CN101087021A (zh) * | 2007-07-18 | 2007-12-12 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池用人造石墨负极材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
徐乐等: "酚醛树脂炭包覆天然微晶石墨作锂离子电池负极材料", 《非金属矿》, vol. 33, no. 1, 31 January 2010 (2010-01-31) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103086363A (zh) * | 2012-12-21 | 2013-05-08 | 顾向红 | 利用石墨微粉制备锂离子负极材料的方法 |
CN103151497A (zh) * | 2013-03-16 | 2013-06-12 | 无锡东恒新能源材料有限公司 | 一种低温锂离子电池负极材料的制备方法 |
CN103151497B (zh) * | 2013-03-16 | 2015-03-11 | 无锡东恒新能源科技有限公司 | 一种低温锂离子电池负极材料的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
HK1163353A1 (zh) | 2012-09-07 |
CN102255076B (zh) | 2016-02-10 |
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Effective date of registration: 20160823 Address after: Kwai Chung street Beek Industrial Park in Longgang District of Shenzhen City, Guangdong Province, No. 6 building 518000 Patentee after: SHENZHEN BAK BATTERY CO., LTD. Address before: Kwai Chung street Beek Industrial Park in Longgang District of Shenzhen City, Guangdong province 518119 Patentee before: Shenzhen Bak Battery Co., Ltd. |
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