CN103137942B - 一种磷酸铁锂电池用集流体及正极片的制备方法 - Google Patents
一种磷酸铁锂电池用集流体及正极片的制备方法 Download PDFInfo
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- CN103137942B CN103137942B CN201110397586.6A CN201110397586A CN103137942B CN 103137942 B CN103137942 B CN 103137942B CN 201110397586 A CN201110397586 A CN 201110397586A CN 103137942 B CN103137942 B CN 103137942B
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- positive plate
- conductive
- binding agent
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 title abstract description 8
- 239000005955 Ferric phosphate Substances 0.000 title abstract description 7
- 229940032958 ferric phosphate Drugs 0.000 title abstract description 7
- 229910000399 iron(III) phosphate Inorganic materials 0.000 title abstract description 7
- 229910052744 lithium Inorganic materials 0.000 title abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000006258 conductive agent Substances 0.000 claims abstract description 18
- 238000003851 corona treatment Methods 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 14
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 36
- 239000005030 aluminium foil Substances 0.000 claims description 25
- 239000002041 carbon nanotube Substances 0.000 claims description 22
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 10
- 239000006230 acetylene black Substances 0.000 claims description 10
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 9
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 9
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011149 active material Substances 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- ZSYNKHJUSDFTCQ-UHFFFAOYSA-N [Li].[Fe].P(O)(O)(O)=O Chemical compound [Li].[Fe].P(O)(O)(O)=O ZSYNKHJUSDFTCQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 208000028659 discharge Diseases 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- -1 Kynoar Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000006229 carbon black Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 3
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000005021 gait Effects 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000011712 cell development Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012360 testing method 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
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- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN201110397586.6A CN103137942B (zh) | 2011-12-02 | 2011-12-02 | 一种磷酸铁锂电池用集流体及正极片的制备方法 |
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CN201110397586.6A CN103137942B (zh) | 2011-12-02 | 2011-12-02 | 一种磷酸铁锂电池用集流体及正极片的制备方法 |
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CN103137942A CN103137942A (zh) | 2013-06-05 |
CN103137942B true CN103137942B (zh) | 2016-03-23 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015016540A1 (ko) * | 2013-07-29 | 2015-02-05 | 주식회사 엘지화학 | 이차전지용 전극 및 이를 포함하는 리튬 이차전지 |
CN103730683B (zh) * | 2013-12-27 | 2015-08-19 | 惠州亿纬锂能股份有限公司 | 一种锂电池及其制备方法 |
CN107579256B (zh) * | 2016-07-05 | 2021-02-05 | 江苏天奈科技股份有限公司 | 一种导电浆料及其形成网状碳导热导电网络集流体的方法 |
CN106803593B (zh) * | 2017-01-09 | 2019-11-29 | 浙江薄睿新材料有限公司 | 一种复合功能导电涂层及其制备方法 |
CN108281615A (zh) * | 2017-12-30 | 2018-07-13 | 宁夏科捷锂电池股份有限公司 | 一种负极浆料性能改善方法 |
CN109037692B (zh) * | 2018-07-26 | 2020-01-17 | 江苏常铝铝业集团股份有限公司 | 一种锂离子电池用导电涂层铝箔及其制备方法 |
CN112701249A (zh) * | 2021-01-04 | 2021-04-23 | 昆山宝创新能源科技有限公司 | 正极片及其制备方法和应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1529917A (zh) * | 2001-04-10 | 2004-09-15 | 三菱麻铁里亚尔株式会社 | 锂离子聚合物二次电池、该电池用电极及用于该电池的粘合层的粘结剂中的高分子化合物的合成方法 |
CN101174685A (zh) * | 2007-10-26 | 2008-05-07 | 中南大学 | 一种锂离子电池正极或负极极片及其涂布方法 |
CN101884125A (zh) * | 2007-10-26 | 2010-11-10 | 赛昂能源有限公司 | 用于电池电极的底涂料 |
CN102034981A (zh) * | 2010-10-26 | 2011-04-27 | 东莞新能源科技有限公司 | 一种锂离子电池负极用集流体 |
CN102208597A (zh) * | 2010-03-30 | 2011-10-05 | 大日本印刷株式会社 | 非水电解液二次电池用电极板、非水电解液二次电池用电极板的制备方法及非水电解液二次电池 |
WO2011121967A1 (ja) * | 2010-03-30 | 2011-10-06 | パナソニック株式会社 | キャパシタ用電極体およびその製造方法とこの電極体を用いたキャパシタ |
-
2011
- 2011-12-02 CN CN201110397586.6A patent/CN103137942B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1529917A (zh) * | 2001-04-10 | 2004-09-15 | 三菱麻铁里亚尔株式会社 | 锂离子聚合物二次电池、该电池用电极及用于该电池的粘合层的粘结剂中的高分子化合物的合成方法 |
CN101174685A (zh) * | 2007-10-26 | 2008-05-07 | 中南大学 | 一种锂离子电池正极或负极极片及其涂布方法 |
CN101884125A (zh) * | 2007-10-26 | 2010-11-10 | 赛昂能源有限公司 | 用于电池电极的底涂料 |
CN102208597A (zh) * | 2010-03-30 | 2011-10-05 | 大日本印刷株式会社 | 非水电解液二次电池用电极板、非水电解液二次电池用电极板的制备方法及非水电解液二次电池 |
WO2011121967A1 (ja) * | 2010-03-30 | 2011-10-06 | パナソニック株式会社 | キャパシタ用電極体およびその製造方法とこの電極体を用いたキャパシタ |
CN102034981A (zh) * | 2010-10-26 | 2011-04-27 | 东莞新能源科技有限公司 | 一种锂离子电池负极用集流体 |
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Denomination of invention: Manufacture method of current collector and positive plate which are used for lithium iron phosphate battery Effective date of registration: 20170928 Granted publication date: 20160323 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Dingneng Kaiyuan Battery Technology Co., Ltd. Registration number: 2017990000930 |
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Date of cancellation: 20190927 Granted publication date: 20160323 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Dingneng Open-source Battery Technology Co., Ltd. Registration number: 2017990000930 |
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