WO2023071336A1 - 氮化物/石墨化碳纳米片包覆三元正极材料及其制备方法 - Google Patents
氮化物/石墨化碳纳米片包覆三元正极材料及其制备方法 Download PDFInfo
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- WO2023071336A1 WO2023071336A1 PCT/CN2022/108630 CN2022108630W WO2023071336A1 WO 2023071336 A1 WO2023071336 A1 WO 2023071336A1 CN 2022108630 W CN2022108630 W CN 2022108630W WO 2023071336 A1 WO2023071336 A1 WO 2023071336A1
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- Prior art keywords
- nitride
- positive electrode
- electrode material
- graphitized carbon
- ternary positive
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 54
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 50
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 41
- 239000002135 nanosheet Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 42
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000011247 coating layer Substances 0.000 claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 6
- 239000010406 cathode material Substances 0.000 claims description 50
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 30
- 239000002904 solvent Substances 0.000 claims description 28
- 239000011159 matrix material Substances 0.000 claims description 25
- 239000013067 intermediate product Substances 0.000 claims description 24
- 238000005245 sintering Methods 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000012298 atmosphere Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 150000004703 alkoxides Chemical group 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical group Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 2
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 26
- 238000002156 mixing Methods 0.000 abstract description 13
- 238000009776 industrial production Methods 0.000 abstract description 4
- 230000001351 cycling effect Effects 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 33
- 239000000243 solution Substances 0.000 description 31
- 238000012546 transfer Methods 0.000 description 30
- 238000003756 stirring Methods 0.000 description 18
- 238000012360 testing method Methods 0.000 description 18
- 239000011572 manganese Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 14
- 239000002243 precursor Substances 0.000 description 12
- 239000012300 argon atmosphere Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 238000001354 calcination Methods 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 229910013716 LiNi Inorganic materials 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 7
- 239000002033 PVDF binder Substances 0.000 description 6
- 239000006230 acetylene black Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- SEVNKUSLDMZOTL-UHFFFAOYSA-H cobalt(2+);manganese(2+);nickel(2+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mn+2].[Co+2].[Ni+2] SEVNKUSLDMZOTL-UHFFFAOYSA-H 0.000 description 6
- 239000012065 filter cake Substances 0.000 description 6
- 238000013100 final test Methods 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- -1 nitrogen-containing compound Chemical class 0.000 description 6
- 238000011056 performance test Methods 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910018553 Ni—O Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical group [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- ZTILUDNICMILKJ-UHFFFAOYSA-N niobium(v) ethoxide Chemical compound CCO[Nb](OCC)(OCC)(OCC)OCC ZTILUDNICMILKJ-UHFFFAOYSA-N 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- ZGSOBQAJAUGRBK-UHFFFAOYSA-N propan-2-olate;zirconium(4+) Chemical compound [Zr+4].CC(C)[O-].CC(C)[O-].CC(C)[O-].CC(C)[O-] ZGSOBQAJAUGRBK-UHFFFAOYSA-N 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HSXKFDGTKKAEHL-UHFFFAOYSA-N tantalum(v) ethoxide Chemical compound [Ta+5].CC[O-].CC[O-].CC[O-].CC[O-].CC[O-] HSXKFDGTKKAEHL-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/366—Composites as layered products
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- C—CHEMISTRY; METALLURGY
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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- C01B32/15—Nano-sized carbon materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B82Y40/00—Manufacture or treatment of nanostructures
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/0615—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium
- C01B21/0617—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium with vanadium, niobium or tantalum
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/068—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
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- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
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- C01B21/076—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with titanium or zirconium or hafnium
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- C01B32/20—Graphite
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
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- 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
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Abstract
Description
Claims (10)
- 一种氮化物/石墨化碳纳米片包覆三元正极材料,其特征在于,包括三元正极材料基体和包覆层,包覆层由氮化物和石墨化碳组成,且石墨化碳在氮化物的包覆过程中原位形成。
- 根据权利要求1所述氮化物/石墨化碳纳米片包覆三元正极材料,其特征在于,所述氮化物为氮化铝、氮化硅、氮化钛、氮化锆、氮化钽、氮化铌中的一种或多种;所述包覆层的厚度为1~100nm。
- 一种如权利要求1~2中任一项所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,包括以下步骤:提供三元正极材料基体;通过湿法包覆使包覆元素包覆于三元正极材料基体表面获得中间产物;其中,所述包覆元素为Al、Si、Ti、Zr、Ta、Nb中的一种或多种;将所述中间产物与含碳氮化合物混合均匀,经烧结、粉碎、过筛和除铁,得到氮化物/石墨化碳纳米片包覆三元正极材料;其中,烧结的气氛为惰性气体。
- 根据权利要求3所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述包覆元素与三元正极材料基体的质量比为0.0001~0.005:1。
- 根据权利要求3所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述湿法包覆的步骤具体为:将三元正极材料基体加入到第一溶剂中,形成溶液Ⅰ;将含包覆元素的化合物加入到第二溶剂中,形成溶液Ⅱ;将所述溶液Ⅱ缓慢加入到所述溶液Ⅰ中,保温反应,经固液分离、烘干获得中间产物。
- 根据权利要求5所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述含包覆元素的化合物为含包覆元素的醇盐; 所述第一溶剂和第二溶剂为水、甲醇、乙醇、异丙醇、乙二醇中的一种或多种。
- 根据权利要求5所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述保温反应的温度为30~80℃,保温反应的时间0.5~5h。
- 根据权利要求3所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述含碳氮化合物为氨基酸、三聚氰胺、尿素中的一种或多种。
- 根据权利要求3所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述含碳氮化合物与中间产物的质量比为5~20:100。
- 根据权利要求3所述氮化物/石墨化碳纳米片包覆三元正极材料的制备方法,其特征在于,所述烧结温度为500~1000℃,烧结时间3~12h。
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EP22885236.4A EP4322252A1 (en) | 2021-10-29 | 2022-07-28 | Nitride/graphitized carbon nanosheet-coated ternary positive electrode material and preparation method therefor |
KR1020237036967A KR20230156430A (ko) | 2021-10-29 | 2022-07-28 | 질화물/흑연화 카본 나노시트로 피복된 3원계 양극재료 및 그 제조방법 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106558688A (zh) * | 2016-11-18 | 2017-04-05 | 贵州振华新材料有限公司 | 高电压锂电池正极材料、电池及制法和应用 |
CN112038627A (zh) * | 2020-09-14 | 2020-12-04 | 浙江中金格派锂电产业股份有限公司 | 一种TiN包覆的镍钴铝三元正极材料的制备方法 |
CN112174222A (zh) | 2020-08-27 | 2021-01-05 | 浙江美都海创锂电科技有限公司 | 一种TiN包覆的镍钴锰三元正极材料及其制备方法 |
CN113097459A (zh) | 2021-03-29 | 2021-07-09 | 清华大学 | 一种三元正极材料@氮化钛核壳结构复合材料及制备方法 |
CN114023936A (zh) * | 2021-10-29 | 2022-02-08 | 格林美股份有限公司 | 氮化物/石墨化碳纳米片包覆三元正极材料及其制备方法 |
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CN103474635B (zh) * | 2013-09-06 | 2016-04-13 | 广东精进能源有限公司 | 碳包覆氮化硅钛合金高容量负极材料的制备方法及应用 |
CN104124437B (zh) * | 2014-08-12 | 2016-08-24 | 长沙赛维能源科技有限公司 | 表面包覆氮化钛与石墨烯的磷酸铁锂复合正极材料及其制备方法和应用 |
CN106711421B (zh) * | 2017-01-08 | 2019-12-13 | 合肥国轩高科动力能源有限公司 | 一种表面包覆金属氮化物的锂离子正极材料及其制备方法 |
CN107579237B (zh) * | 2017-09-13 | 2021-11-05 | 桑顿新能源科技(长沙)有限公司 | 一种三元正极材料制备方法及三元正极材料 |
CN108039452A (zh) * | 2017-12-12 | 2018-05-15 | 奇瑞汽车股份有限公司 | 一种氮化物包覆的富锂正极材料及其制备方法 |
CN111952547A (zh) * | 2019-05-16 | 2020-11-17 | 天津国安盟固利新材料科技股份有限公司 | 一种表面包覆改性的锂离子电池正极材料及其制备方法 |
CN110993931A (zh) * | 2019-12-23 | 2020-04-10 | 上海纳米技术及应用国家工程研究中心有限公司 | 一种锂离子电池用硅负极材料的改性方法 |
CN111943149A (zh) * | 2020-08-25 | 2020-11-17 | 合肥工业大学 | 一种过渡金属氮化物的通用制备方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106558688A (zh) * | 2016-11-18 | 2017-04-05 | 贵州振华新材料有限公司 | 高电压锂电池正极材料、电池及制法和应用 |
CN112174222A (zh) | 2020-08-27 | 2021-01-05 | 浙江美都海创锂电科技有限公司 | 一种TiN包覆的镍钴锰三元正极材料及其制备方法 |
CN112038627A (zh) * | 2020-09-14 | 2020-12-04 | 浙江中金格派锂电产业股份有限公司 | 一种TiN包覆的镍钴铝三元正极材料的制备方法 |
CN113097459A (zh) | 2021-03-29 | 2021-07-09 | 清华大学 | 一种三元正极材料@氮化钛核壳结构复合材料及制备方法 |
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