CN103199258B - 锂离子电池正极材料、正极制备方法及锂离子电池 - Google Patents
锂离子电池正极材料、正极制备方法及锂离子电池 Download PDFInfo
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- CN103199258B CN103199258B CN201310073175.0A CN201310073175A CN103199258B CN 103199258 B CN103199258 B CN 103199258B CN 201310073175 A CN201310073175 A CN 201310073175A CN 103199258 B CN103199258 B CN 103199258B
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- lithium
- conductive agent
- active material
- additive
- solvent
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000010405 anode material Substances 0.000 title claims abstract description 16
- 239000006258 conductive agent Substances 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 17
- 239000006185 dispersion Substances 0.000 claims abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000013019 agitation Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 22
- 239000000654 additive Substances 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 12
- 239000007774 positive electrode material Substances 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 8
- -1 TritonX x-100 Polymers 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910003002 lithium salt Inorganic materials 0.000 claims description 6
- 159000000002 lithium salts Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 4
- 239000006230 acetylene black Substances 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003273 ketjen black Substances 0.000 claims description 4
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 4
- 150000003462 sulfoxides Chemical class 0.000 claims description 4
- 238000002560 therapeutic procedure Methods 0.000 claims description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 4
- WDXYVJKNSMILOQ-UHFFFAOYSA-N 1,3,2-dioxathiolane 2-oxide Chemical compound O=S1OCCO1 WDXYVJKNSMILOQ-UHFFFAOYSA-N 0.000 claims description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 3
- XJYDIOOQMIRSSY-UHFFFAOYSA-N 1,3,2-dioxathiepane 2-oxide Chemical group O=S1OCCCCO1 XJYDIOOQMIRSSY-UHFFFAOYSA-N 0.000 claims description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical group [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 claims description 2
- PLUBXMRUUVWRLT-UHFFFAOYSA-N Ethyl methanesulfonate Chemical compound CCOS(C)(=O)=O PLUBXMRUUVWRLT-UHFFFAOYSA-N 0.000 claims description 2
- 229910001290 LiPF6 Inorganic materials 0.000 claims description 2
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 2
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 claims description 2
- LFLBHTZRLVHUQC-UHFFFAOYSA-N butyl methanesulfonate Chemical compound CCCCOS(C)(=O)=O LFLBHTZRLVHUQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000003660 carbonate based solvent Substances 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 claims description 2
- BDUPRNVPXOHWIL-UHFFFAOYSA-N dimethyl sulfite Chemical compound COS(=O)OC BDUPRNVPXOHWIL-UHFFFAOYSA-N 0.000 claims description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000006232 furnace black Substances 0.000 claims description 2
- 229910021385 hard carbon Inorganic materials 0.000 claims description 2
- 229940059939 kayexalate Drugs 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims description 2
- BNXAVQNOSHPHJH-UHFFFAOYSA-N prop-2-enyl hydrogen sulfite Chemical compound OS(=O)OCC=C BNXAVQNOSHPHJH-UHFFFAOYSA-N 0.000 claims description 2
- 229910021384 soft carbon Inorganic materials 0.000 claims description 2
- 150000003459 sulfonic acid esters Chemical class 0.000 claims description 2
- 150000007984 tetrahydrofuranes Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 239000011149 active material Substances 0.000 abstract description 10
- 239000002105 nanoparticle Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013459 approach Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 5
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 4
- 239000002134 carbon nanofiber Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000019580 granularity Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 2
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000011712 cell development Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000003699 hair surface Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 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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- Battery Electrode And Active Subsutance (AREA)
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JP6497972B2 (ja) * | 2014-05-19 | 2019-04-10 | 日本ケミコン株式会社 | 電極、この電極の製造方法、この電極を備えた蓄電デバイス、及び蓄電デバイス電極用の導電性カーボン混合物 |
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CN110707296B (zh) * | 2018-07-10 | 2021-05-14 | 比亚迪股份有限公司 | 正极材料及其制备方法、锂离子电池和车辆 |
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CN109786810A (zh) * | 2019-03-14 | 2019-05-21 | 无锡市产品质量监督检验院 | 快充锂离子电池 |
CN110459733B (zh) * | 2019-08-15 | 2021-03-02 | 中国科学院大学 | 一种锂离子电池负电极的制备方法 |
CN111261835A (zh) * | 2020-03-04 | 2020-06-09 | 广西卓能新能源科技有限公司 | 一种磷酸铁锂正极片及包含该正极片的环保型耐低温锂电池 |
CN113363408A (zh) * | 2021-04-06 | 2021-09-07 | 万向一二三股份公司 | 一种硅基负极片及其制备方法、锂离子电池 |
CN113293291B (zh) * | 2021-05-21 | 2022-04-08 | 江苏中南锂业有限公司 | 一种高导电性提锂电极的制备方法 |
CN114899400B (zh) * | 2022-05-11 | 2023-09-08 | 厦门海辰储能科技股份有限公司 | 正极浆料、正极极片和锂电池 |
CN115141285B (zh) * | 2022-08-11 | 2023-09-01 | 湖北亿纬动力有限公司 | 一种改性羧甲基纤维素盐粘结剂及其制备方法和应用 |
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CN101207204A (zh) * | 2006-12-22 | 2008-06-25 | 比亚迪股份有限公司 | 锂离子电池正极材料和含有该材料的正极和锂离子电池 |
CN102723462A (zh) * | 2012-06-29 | 2012-10-10 | 上海锦众信息科技有限公司 | 一种锂离子二次电池正极制造方法 |
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JP2011096623A (ja) * | 2009-09-29 | 2011-05-12 | Sanyo Electric Co Ltd | リチウム二次電池用電極の製造方法並びにリチウム二次電池用電極及びリチウム二次電池 |
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CN101207204A (zh) * | 2006-12-22 | 2008-06-25 | 比亚迪股份有限公司 | 锂离子电池正极材料和含有该材料的正极和锂离子电池 |
CN102723462A (zh) * | 2012-06-29 | 2012-10-10 | 上海锦众信息科技有限公司 | 一种锂离子二次电池正极制造方法 |
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