CN102227020A - 一种用于锂离子电池改性石墨负极材料的制备方法 - Google Patents
一种用于锂离子电池改性石墨负极材料的制备方法 Download PDFInfo
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- CN102227020A CN102227020A CN2011101324080A CN201110132408A CN102227020A CN 102227020 A CN102227020 A CN 102227020A CN 2011101324080 A CN2011101324080 A CN 2011101324080A CN 201110132408 A CN201110132408 A CN 201110132408A CN 102227020 A CN102227020 A CN 102227020A
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- graphite
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- cathode material
- powder
- asphalt
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000010406 cathode material Substances 0.000 title claims abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 12
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 31
- 239000010439 graphite Substances 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000010426 asphalt Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000005087 graphitization Methods 0.000 claims abstract description 8
- 230000003647 oxidation Effects 0.000 claims abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 7
- 239000011294 coal tar pitch Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 102220043159 rs587780996 Human genes 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000003763 carbonization Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000011812 mixed powder Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 2
- 238000005253 cladding Methods 0.000 abstract 1
- 229910021382 natural graphite Inorganic materials 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000010532 solid phase synthesis reaction Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
- 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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- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
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CN201110132408.0A CN102227020B (zh) | 2011-05-20 | 2011-05-20 | 一种用于锂离子电池改性石墨负极材料的制备方法 |
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CN201110132408.0A CN102227020B (zh) | 2011-05-20 | 2011-05-20 | 一种用于锂离子电池改性石墨负极材料的制备方法 |
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CN102227020A true CN102227020A (zh) | 2011-10-26 |
CN102227020B CN102227020B (zh) | 2014-06-11 |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102956876A (zh) * | 2012-11-30 | 2013-03-06 | 中国科学院物理研究所 | 热解硬炭材料及其制备方法和用途 |
CN103626170A (zh) * | 2012-12-14 | 2014-03-12 | 深圳市斯诺实业发展有限公司永丰县分公司 | 一种改性石墨负极材料的制备方法 |
CN104037417A (zh) * | 2013-03-04 | 2014-09-10 | 上海杉杉科技有限公司 | 一种改性天然石墨及其制备方法 |
CN105024043A (zh) * | 2014-12-18 | 2015-11-04 | 上海杉杉科技有限公司 | 一种快充石墨锂离子电池负极材料及其制备方法 |
CN105826517A (zh) * | 2016-06-13 | 2016-08-03 | 周虎 | 一种碳膜锂离子电池负极及生产方法 |
CN107017407A (zh) * | 2016-01-27 | 2017-08-04 | 中南大学 | 一种锂离子电池石墨/碳复合负极材料的制备方法 |
CN107316983A (zh) * | 2016-04-27 | 2017-11-03 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池复合石墨负极材料及其制备方法 |
CN111482128A (zh) * | 2020-04-23 | 2020-08-04 | 湖南中科星城石墨有限公司 | 二次颗粒的低温氧化固化工艺 |
CN112701288A (zh) * | 2020-12-29 | 2021-04-23 | 宁波杉杉新材料科技有限公司 | 包覆改性石墨材料及其制备方法、应用和锂离子电池 |
WO2022077374A1 (zh) * | 2020-10-15 | 2022-04-21 | 宁德时代新能源科技股份有限公司 | 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置 |
CN116588926A (zh) * | 2023-04-22 | 2023-08-15 | 青岛华腾石墨科技有限公司 | 一种电池用负极材料的改性工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1239592A (zh) * | 1997-08-05 | 1999-12-22 | 索尼株式会社 | 碳质前体、负极用碳质材料和非水系二次电池 |
CN101604748A (zh) * | 2009-07-03 | 2009-12-16 | 中南大学 | 低温热解沥青包覆石墨制备高倍率锂离子电容电池负极材料的方法 |
CN101641285A (zh) * | 2007-01-31 | 2010-02-03 | 住友金属工业株式会社 | 碳材料及其制造方法 |
-
2011
- 2011-05-20 CN CN201110132408.0A patent/CN102227020B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1239592A (zh) * | 1997-08-05 | 1999-12-22 | 索尼株式会社 | 碳质前体、负极用碳质材料和非水系二次电池 |
CN101641285A (zh) * | 2007-01-31 | 2010-02-03 | 住友金属工业株式会社 | 碳材料及其制造方法 |
CN101604748A (zh) * | 2009-07-03 | 2009-12-16 | 中南大学 | 低温热解沥青包覆石墨制备高倍率锂离子电容电池负极材料的方法 |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102956876B (zh) * | 2012-11-30 | 2015-09-16 | 中国科学院物理研究所 | 热解硬炭材料及其制备方法和用途 |
CN102956876A (zh) * | 2012-11-30 | 2013-03-06 | 中国科学院物理研究所 | 热解硬炭材料及其制备方法和用途 |
CN103626170A (zh) * | 2012-12-14 | 2014-03-12 | 深圳市斯诺实业发展有限公司永丰县分公司 | 一种改性石墨负极材料的制备方法 |
CN104037417B (zh) * | 2013-03-04 | 2017-12-01 | 上海杉杉科技有限公司 | 一种改性天然石墨及其制备方法 |
CN104037417A (zh) * | 2013-03-04 | 2014-09-10 | 上海杉杉科技有限公司 | 一种改性天然石墨及其制备方法 |
CN105024043A (zh) * | 2014-12-18 | 2015-11-04 | 上海杉杉科技有限公司 | 一种快充石墨锂离子电池负极材料及其制备方法 |
CN107017407A (zh) * | 2016-01-27 | 2017-08-04 | 中南大学 | 一种锂离子电池石墨/碳复合负极材料的制备方法 |
CN107017407B (zh) * | 2016-01-27 | 2020-01-21 | 中南大学 | 一种锂离子电池石墨/碳复合负极材料的制备方法 |
CN107316983A (zh) * | 2016-04-27 | 2017-11-03 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池复合石墨负极材料及其制备方法 |
CN105826517A (zh) * | 2016-06-13 | 2016-08-03 | 周虎 | 一种碳膜锂离子电池负极及生产方法 |
CN111482128A (zh) * | 2020-04-23 | 2020-08-04 | 湖南中科星城石墨有限公司 | 二次颗粒的低温氧化固化工艺 |
CN111482128B (zh) * | 2020-04-23 | 2022-02-22 | 湖南中科星城石墨有限公司 | 二次颗粒的低温氧化固化工艺 |
WO2022077374A1 (zh) * | 2020-10-15 | 2022-04-21 | 宁德时代新能源科技股份有限公司 | 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置 |
CN114730875A (zh) * | 2020-10-15 | 2022-07-08 | 宁德时代新能源科技股份有限公司 | 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置 |
CN112701288A (zh) * | 2020-12-29 | 2021-04-23 | 宁波杉杉新材料科技有限公司 | 包覆改性石墨材料及其制备方法、应用和锂离子电池 |
CN116588926A (zh) * | 2023-04-22 | 2023-08-15 | 青岛华腾石墨科技有限公司 | 一种电池用负极材料的改性工艺 |
CN116588926B (zh) * | 2023-04-22 | 2024-04-26 | 青岛华腾石墨科技有限公司 | 一种电池用负极材料的改性工艺 |
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