CN109417162A - 正极添加剂及其制备方法、正极及其制备方法和锂离子电池 - Google Patents
正极添加剂及其制备方法、正极及其制备方法和锂离子电池 Download PDFInfo
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- CN109417162A CN109417162A CN201880001558.8A CN201880001558A CN109417162A CN 109417162 A CN109417162 A CN 109417162A CN 201880001558 A CN201880001558 A CN 201880001558A CN 109417162 A CN109417162 A CN 109417162A
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- anode
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- 239000000654 additive Substances 0.000 title claims abstract description 114
- 230000000996 additive effect Effects 0.000 title claims abstract description 111
- 238000002360 preparation method Methods 0.000 title claims description 48
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 30
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 29
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 97
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 95
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 91
- AWKHTBXFNVGFRX-UHFFFAOYSA-K iron(2+);manganese(2+);phosphate Chemical compound [Mn+2].[Fe+2].[O-]P([O-])([O-])=O AWKHTBXFNVGFRX-UHFFFAOYSA-K 0.000 claims abstract description 83
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 82
- 239000003960 organic solvent Substances 0.000 claims abstract description 23
- 239000006185 dispersion Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 239000000853 adhesive Substances 0.000 claims description 31
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- 239000006258 conductive agent Substances 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 30
- 238000004513 sizing Methods 0.000 claims description 29
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 24
- 229910010272 inorganic material Inorganic materials 0.000 claims description 24
- 239000011147 inorganic material Substances 0.000 claims description 24
- 239000011230 binding agent Substances 0.000 claims description 22
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 239000010941 cobalt Substances 0.000 claims description 10
- 229910017052 cobalt Inorganic materials 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 6
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- DOCYQLFVSIEPAG-UHFFFAOYSA-N [Mn].[Fe].[Li] Chemical compound [Mn].[Fe].[Li] DOCYQLFVSIEPAG-UHFFFAOYSA-N 0.000 claims description 4
- 239000006230 acetylene black Substances 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical group [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 239000003273 ketjen black Substances 0.000 claims description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 claims 1
- 229910001453 nickel ion Inorganic materials 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 66
- 238000002156 mixing Methods 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000011572 manganese Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 4
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- DVATZODUVBMYHN-UHFFFAOYSA-K lithium;iron(2+);manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[Fe+2].[O-]P([O-])([O-])=O DVATZODUVBMYHN-UHFFFAOYSA-K 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- MERJTCXDDLWWSK-UHFFFAOYSA-N 1-methylpyrrole pyrrolidin-2-one Chemical compound CN1C=CC=C1.N1C(CCC1)=O MERJTCXDDLWWSK-UHFFFAOYSA-N 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 229910011328 LiNi0.6Co0.2Mn0.2O2 Inorganic materials 0.000 description 2
- 229910015872 LiNi0.8Co0.1Mn0.1O2 Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
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- 238000004880 explosion Methods 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 description 2
- 150000001455 metallic ions Chemical class 0.000 description 2
- 238000009783 overcharge test Methods 0.000 description 2
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- OXHNLMTVIGZXSG-UHFFFAOYSA-N 1-Methylpyrrole Chemical compound CN1C=CC=C1 OXHNLMTVIGZXSG-UHFFFAOYSA-N 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910002991 LiNi0.5Co0.2Mn0.3O2 Inorganic materials 0.000 description 1
- 229910012742 LiNi0.5Co0.3Mn0.2O2 Inorganic materials 0.000 description 1
- 229910002099 LiNi0.5Mn1.5O4 Inorganic materials 0.000 description 1
- 229910014125 LiNi1-y-zCoy Inorganic materials 0.000 description 1
- 229910014123 LiNi1-y-zCoyMnzO2 Inorganic materials 0.000 description 1
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- ZWXLZABZHZXDGX-UHFFFAOYSA-N P(O)(O)(O)=O.[Mn].[Fe].[Li] Chemical compound P(O)(O)(O)=O.[Mn].[Fe].[Li] ZWXLZABZHZXDGX-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- SMBQBQBNOXIFSF-UHFFFAOYSA-N dilithium Chemical compound [Li][Li] SMBQBQBNOXIFSF-UHFFFAOYSA-N 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 238000000227 grinding Methods 0.000 description 1
- CPSYWNLKRDURMG-UHFFFAOYSA-L hydron;manganese(2+);phosphate Chemical compound [Mn+2].OP([O-])([O-])=O CPSYWNLKRDURMG-UHFFFAOYSA-L 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
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Classifications
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- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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- H—ELECTRICITY
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- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
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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
Abstract
Description
针刺 | 过充 | 克容量(mAh/g) | |
对比例6 | 起火,冒烟 | 起火,冒烟 | 150 |
实施例20 | 无明显反应,不起火不冒烟 | 无明显反应,不起火不冒烟 | 149 |
对比例7 | 起火,冒烟 | 起火,冒烟 | 94 |
实施例26 | 无明显反应,不起火不冒烟 | 无明显反应,不起火不冒烟 | 90 |
对比例8 | 起火,冒烟 | 起火,冒烟 | 148 |
实施例27 | 无明显反应,不起火不冒烟 | 无明显反应,不起火不冒烟 | 146 |
Claims (17)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2018/108383 WO2020062046A1 (zh) | 2018-09-28 | 2018-09-28 | 正极添加剂及其制备方法、正极及其制备方法和锂离子电池 |
Publications (2)
Publication Number | Publication Date |
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CN109417162A true CN109417162A (zh) | 2019-03-01 |
CN109417162B CN109417162B (zh) | 2021-09-21 |
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CN201880001558.8A Active CN109417162B (zh) | 2018-09-28 | 2018-09-28 | 正极添加剂及其制备方法、正极及其制备方法和锂离子电池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210351395A1 (zh) |
EP (1) | EP3859825A4 (zh) |
JP (1) | JP7158595B2 (zh) |
KR (1) | KR20210064360A (zh) |
CN (1) | CN109417162B (zh) |
WO (1) | WO2020062046A1 (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109888257A (zh) * | 2019-04-03 | 2019-06-14 | 山东星火科学技术研究院 | 一种石墨烯包覆改性锂离子电池正极材料及其制备方法 |
CN110993894A (zh) * | 2019-11-25 | 2020-04-10 | 宁波致良新能源有限公司 | 正极添加剂及其制备方法、正极及其制备方法和锂离子电池 |
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CN110993894A (zh) * | 2019-11-25 | 2020-04-10 | 宁波致良新能源有限公司 | 正极添加剂及其制备方法、正极及其制备方法和锂离子电池 |
CN112054202A (zh) * | 2020-09-10 | 2020-12-08 | 辽宁九夷锂能股份有限公司 | 一种高能量大倍率锂电池正极添加剂及其制备方法和含有正极添加剂的正极片 |
EP4057380A3 (en) * | 2021-03-08 | 2022-10-19 | SK Innovation Co., Ltd. | Positive electrode for lithium secondary battery and lithium secondary battery including the same |
CN113193199A (zh) * | 2021-04-30 | 2021-07-30 | 中国科学院宁波材料技术与工程研究所 | 一种石墨烯-锂离子导体材料复合导电浆料、其制备方法及应用 |
CN113247962A (zh) * | 2021-06-26 | 2021-08-13 | 深圳中科精研科技有限公司 | 电池正极材料及快速合成电池正极材料的方法 |
CN115148945A (zh) * | 2022-06-24 | 2022-10-04 | 广东墨睿科技有限公司 | 一种高镍三元正极材料的改性方法 |
CN115148945B (zh) * | 2022-06-24 | 2023-03-07 | 广东墨睿科技有限公司 | 一种高镍三元正极材料的改性方法 |
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JP2022502830A (ja) | 2022-01-11 |
EP3859825A4 (en) | 2022-04-27 |
KR20210064360A (ko) | 2021-06-02 |
EP3859825A1 (en) | 2021-08-04 |
US20210351395A1 (en) | 2021-11-11 |
JP7158595B2 (ja) | 2022-10-21 |
WO2020062046A1 (zh) | 2020-04-02 |
CN109417162B (zh) | 2021-09-21 |
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