CN108682787B - Lithium ion battery pole piece and preparation method thereof - Google Patents
Lithium ion battery pole piece and preparation method thereof Download PDFInfo
- Publication number
- CN108682787B CN108682787B CN201810601004.3A CN201810601004A CN108682787B CN 108682787 B CN108682787 B CN 108682787B CN 201810601004 A CN201810601004 A CN 201810601004A CN 108682787 B CN108682787 B CN 108682787B
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- lithium
- ion battery
- lithium ion
- graphene
- pole piece
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 46
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 130
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 56
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 38
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 38
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000007773 negative electrode material Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 16
- 239000002904 solvent Substances 0.000 claims abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007774 positive electrode material Substances 0.000 claims abstract description 13
- 239000006258 conductive agent Substances 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 33
- 239000010426 asphalt Substances 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 18
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 17
- 239000011259 mixed solution Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000011282 treatment Methods 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000006230 acetylene black Substances 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- 239000011268 mixed slurry Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 239000006183 anode active material Substances 0.000 claims description 7
- 239000006182 cathode active material Substances 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000010405 anode material Substances 0.000 claims description 5
- 238000001694 spray drying Methods 0.000 claims description 4
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical group CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- -1 methyl isobutyl Chemical group 0.000 claims description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000004913 activation Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000007772 electrode material Substances 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 3
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 abstract 2
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 5
- 238000010532 solid phase synthesis reaction Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052493 LiFePO4 Inorganic materials 0.000 description 2
- 229910018688 LixC6 Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002931 mesocarbon microbead Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910009384 Li1-XFePO4 Inorganic materials 0.000 description 1
- 229910005055 Li1−XFePO4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- YGXMBYYIZIOQSR-UHFFFAOYSA-N [SiH4].C(C(C)C)C(C)=NO Chemical compound [SiH4].C(C(C)C)C(C)=NO YGXMBYYIZIOQSR-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M4/139—Processes of manufacture
-
- 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
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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 & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810601004.3A CN108682787B (en) | 2018-06-12 | 2018-06-12 | Lithium ion battery pole piece and preparation method thereof |
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CN201810601004.3A CN108682787B (en) | 2018-06-12 | 2018-06-12 | Lithium ion battery pole piece and preparation method thereof |
Publications (2)
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CN108682787A CN108682787A (en) | 2018-10-19 |
CN108682787B true CN108682787B (en) | 2020-10-09 |
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CN201810601004.3A Active CN108682787B (en) | 2018-06-12 | 2018-06-12 | Lithium ion battery pole piece and preparation method thereof |
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CN (1) | CN108682787B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109449413A (en) * | 2018-11-01 | 2019-03-08 | 北京理工大学 | A kind of lithium phosphate class additive, lithium-rich manganese-based anode and lithium battery |
CN109698338A (en) * | 2018-12-26 | 2019-04-30 | 湖北锂诺新能源科技有限公司 | A kind of powerful graphene-based LiFePO4 pole piece of low cost and preparation method |
CN111554898B (en) * | 2020-05-11 | 2022-02-11 | 珠海冠宇电池股份有限公司 | Negative electrode material and preparation method and application thereof |
CN111653831B (en) * | 2020-06-22 | 2022-03-25 | 天能帅福得能源股份有限公司 | Preparation method of high-safety, high-temperature and long-life water-based lithium iron phosphate battery |
CN114899369B (en) * | 2022-04-08 | 2024-03-12 | 西部诚业科技发展(深圳)有限公司 | Conductive composition and preparation method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102931378A (en) * | 2012-10-09 | 2013-02-13 | 东莞市创明电池技术有限公司 | Lithium ion battery electrode, preparation method thereof and lithium ion battery |
CN105633350A (en) * | 2016-04-01 | 2016-06-01 | 深圳市沃特玛电池有限公司 | Porous pole piece and preparation method thereof and lithium ion battery |
CN105742590A (en) * | 2016-03-02 | 2016-07-06 | 合肥国轩高科动力能源有限公司 | Preparation method for low-resistivity lithium iron phosphate/carbon composite material |
WO2017222113A1 (en) * | 2016-06-24 | 2017-12-28 | 삼성에스디아이 주식회사 | Negative electrode active material for lithium secondary battery, method for manufacturing same, and lithium secondary battery including same |
CN107785549A (en) * | 2017-10-10 | 2018-03-09 | 中航锂电(洛阳)有限公司 | The preparation method and carbon compound cathode materials of a kind of carbon compound cathode materials |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9431649B2 (en) * | 2009-11-23 | 2016-08-30 | Uchicago Argonne, Llc | Coated electroactive materials |
-
2018
- 2018-06-12 CN CN201810601004.3A patent/CN108682787B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102931378A (en) * | 2012-10-09 | 2013-02-13 | 东莞市创明电池技术有限公司 | Lithium ion battery electrode, preparation method thereof and lithium ion battery |
CN105742590A (en) * | 2016-03-02 | 2016-07-06 | 合肥国轩高科动力能源有限公司 | Preparation method for low-resistivity lithium iron phosphate/carbon composite material |
CN105633350A (en) * | 2016-04-01 | 2016-06-01 | 深圳市沃特玛电池有限公司 | Porous pole piece and preparation method thereof and lithium ion battery |
WO2017222113A1 (en) * | 2016-06-24 | 2017-12-28 | 삼성에스디아이 주식회사 | Negative electrode active material for lithium secondary battery, method for manufacturing same, and lithium secondary battery including same |
CN107785549A (en) * | 2017-10-10 | 2018-03-09 | 中航锂电(洛阳)有限公司 | The preparation method and carbon compound cathode materials of a kind of carbon compound cathode materials |
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CN108682787A (en) | 2018-10-19 |
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Effective date of registration: 20200903 Address after: 233600 B District, Chengxi Industrial Park, Woyang County, Anhui, Bozhou Applicant after: ANHUI ZHENGXI BIAOWANG NEW ENERGY Co.,Ltd. Address before: 526299 No. 537, South times Commercial Plaza, Sihui Road, Dongcheng District, Sihui City, Zhaoqing, Guangdong (two floor) Applicant before: SIHUI HENGXING INTELLIGENT TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240511 Address after: 1510 Beike Building, No. 59 Gaoxin South 9th Road, Gaoxin Community, Gaoxin District, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Zhongke Manufacturing (Shenzhen) Group Co.,Ltd. Country or region after: China Address before: 233600 B District, West City Industrial Park, Woyang County, Bozhou, Anhui Patentee before: ANHUI ZHENGXI BIAOWANG NEW ENERGY Co.,Ltd. Country or region before: China |