CN113036082B - 一种正极极片、正极极片的制备方法和锂离子二次电池 - Google Patents
一种正极极片、正极极片的制备方法和锂离子二次电池 Download PDFInfo
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- CN113036082B CN113036082B CN202110254395.8A CN202110254395A CN113036082B CN 113036082 B CN113036082 B CN 113036082B CN 202110254395 A CN202110254395 A CN 202110254395A CN 113036082 B CN113036082 B CN 113036082B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000011247 coating layer Substances 0.000 claims abstract description 48
- 238000005056 compaction Methods 0.000 claims abstract description 15
- 239000013543 active substance Substances 0.000 claims abstract description 9
- 239000003792 electrolyte Substances 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- NDPGDHBNXZOBJS-UHFFFAOYSA-N aluminum lithium cobalt(2+) nickel(2+) oxygen(2-) Chemical compound [Li+].[O--].[O--].[O--].[O--].[Al+3].[Co++].[Ni++] NDPGDHBNXZOBJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910021385 hard carbon Inorganic materials 0.000 claims description 3
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 claims description 3
- 229910002102 lithium manganese oxide Inorganic materials 0.000 claims description 3
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 claims description 3
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 claims description 3
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000002931 mesocarbon microbead Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000002210 silicon-based material Substances 0.000 claims description 3
- 229910021384 soft carbon Inorganic materials 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000010450 olivine Substances 0.000 claims description 2
- 229910052609 olivine Inorganic materials 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 239000011230 binding agent Substances 0.000 description 7
- 239000006258 conductive agent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 229910003002 lithium salt Inorganic materials 0.000 description 5
- 159000000002 lithium salts Chemical class 0.000 description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 229910001290 LiPF6 Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000009461 vacuum packaging Methods 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000037427 ion transport Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 102000004310 Ion Channels Human genes 0.000 description 1
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
Classifications
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- H01M10/058—Construction or manufacture
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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
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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
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- General Chemical & Material Sciences (AREA)
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- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
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Abstract
Description
Claims (8)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110254395.8A CN113036082B (zh) | 2021-03-05 | 2021-03-05 | 一种正极极片、正极极片的制备方法和锂离子二次电池 |
US18/039,475 US20230420639A1 (en) | 2021-03-05 | 2021-10-12 | Positive Electrode Plate, Preparation Method therefore and Lithium-Ion Secondary Battery |
PCT/CN2021/123201 WO2022183737A1 (zh) | 2021-03-05 | 2021-10-12 | 一种正极极片、正极极片的制备方法和锂离子二次电池 |
DE112021004900.3T DE112021004900T5 (de) | 2021-03-05 | 2021-10-12 | Positivelektrodenpolstück, herstellungsverfahren für ein positivelektrodenpolstück und lithium-ionen-sekundärbatterie |
Applications Claiming Priority (1)
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CN202110254395.8A CN113036082B (zh) | 2021-03-05 | 2021-03-05 | 一种正极极片、正极极片的制备方法和锂离子二次电池 |
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CN113036082A CN113036082A (zh) | 2021-06-25 |
CN113036082B true CN113036082B (zh) | 2022-06-03 |
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CN202110254395.8A Active CN113036082B (zh) | 2021-03-05 | 2021-03-05 | 一种正极极片、正极极片的制备方法和锂离子二次电池 |
Country Status (4)
Country | Link |
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US (1) | US20230420639A1 (zh) |
CN (1) | CN113036082B (zh) |
DE (1) | DE112021004900T5 (zh) |
WO (1) | WO2022183737A1 (zh) |
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CN113036082B (zh) * | 2021-03-05 | 2022-06-03 | 江苏正力新能电池技术有限公司 | 一种正极极片、正极极片的制备方法和锂离子二次电池 |
WO2023070287A1 (zh) * | 2021-10-25 | 2023-05-04 | 宁德新能源科技有限公司 | 正极极片、电化学装置及电子装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106848378A (zh) * | 2017-02-13 | 2017-06-13 | 浙江钱江锂电科技有限公司 | 一种高能量密度软包叠片电池 |
Family Cites Families (14)
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CN101409369A (zh) * | 2008-11-14 | 2009-04-15 | 东莞市迈科科技有限公司 | 大容量高功率聚合物磷酸铁锂动力电池及其制备方法 |
CN101626099A (zh) * | 2009-08-08 | 2010-01-13 | 东莞市迈科科技有限公司 | 一种聚合物磷酸钒锂动力电池及其制备方法 |
CN102610852A (zh) * | 2011-07-29 | 2012-07-25 | 深圳市中星动力电池技术有限公司 | 一种聚合物镍钴锰钒锂动力电池及其制备方法 |
CN103515616A (zh) * | 2012-06-27 | 2014-01-15 | 万向电动汽车有限公司 | 一种锂离子动力电池正极片及其制备方法 |
CN102760909B (zh) * | 2012-07-17 | 2015-02-04 | 李永康 | 一种动力电池及其制造方法 |
CN104538627A (zh) * | 2015-01-05 | 2015-04-22 | 天津市捷威动力工业有限公司 | 一种纳米磷酸铁锂正极浆料的制备方法 |
JP2018170113A (ja) * | 2017-03-29 | 2018-11-01 | Tdk株式会社 | 正極及びリチウムイオン二次電池 |
CN109244339A (zh) * | 2018-08-24 | 2019-01-18 | 台州钱江新能源研究院有限公司 | 一种高安全高能量密度的三元锂离子电池 |
CN110265627B (zh) * | 2018-09-28 | 2020-09-29 | 宁德时代新能源科技股份有限公司 | 正极极片及锂离子二次电池 |
CN111200113B (zh) * | 2018-11-16 | 2021-01-12 | 宁德时代新能源科技股份有限公司 | 一种正极极片及电化学装置 |
CN112018428A (zh) * | 2020-08-27 | 2020-12-01 | 湖北亿纬动力有限公司 | 一种锂离子电池及其制备方法和用途 |
CN112151755A (zh) * | 2020-09-08 | 2020-12-29 | 江苏塔菲尔新能源科技股份有限公司 | 一种正极片及电池 |
CN112216814B (zh) * | 2020-12-09 | 2021-04-27 | 江苏时代新能源科技有限公司 | 电极极片、二次电池及其制备方法和含有二次电池的装置 |
CN113036082B (zh) * | 2021-03-05 | 2022-06-03 | 江苏正力新能电池技术有限公司 | 一种正极极片、正极极片的制备方法和锂离子二次电池 |
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