CN110429267A - 利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法 - Google Patents
利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法 Download PDFInfo
- Publication number
- CN110429267A CN110429267A CN201910761565.4A CN201910761565A CN110429267A CN 110429267 A CN110429267 A CN 110429267A CN 201910761565 A CN201910761565 A CN 201910761565A CN 110429267 A CN110429267 A CN 110429267A
- Authority
- CN
- China
- Prior art keywords
- sodium
- ion battery
- template agent
- positive material
- battery positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 29
- 239000012266 salt solution Substances 0.000 claims abstract description 25
- 150000003624 transition metals Chemical class 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims abstract description 24
- 239000002135 nanosheet Substances 0.000 claims abstract description 22
- 238000001354 calcination Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000004094 surface-active agent Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- -1 alkyl glucoside Chemical class 0.000 claims description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 8
- 229940099596 manganese sulfate Drugs 0.000 claims description 8
- 239000011702 manganese sulphate Substances 0.000 claims description 8
- 235000007079 manganese sulphate Nutrition 0.000 claims description 8
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 claims description 8
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 8
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 150000002696 manganese Chemical class 0.000 claims description 4
- 150000002815 nickel Chemical class 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 235000002639 sodium chloride Nutrition 0.000 claims description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- ZCWSUIQMOPJBCK-UHFFFAOYSA-N C(C)S(=O)(=O)O.C(C)ON1CCNCC1 Chemical compound C(C)S(=O)(=O)O.C(C)ON1CCNCC1 ZCWSUIQMOPJBCK-UHFFFAOYSA-N 0.000 claims description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 229940077388 benzenesulfonate Drugs 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 229930182478 glucoside Natural products 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 claims description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 claims description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003570 air Substances 0.000 claims description 2
- 150000001412 amines Chemical group 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 claims description 2
- 229960001231 choline Drugs 0.000 claims description 2
- 150000001868 cobalt Chemical class 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229940011182 cobalt acetate Drugs 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 2
- XNZJTLSFOOXUAS-UHFFFAOYSA-N cobalt hydrochloride Chemical compound Cl.[Co] XNZJTLSFOOXUAS-UHFFFAOYSA-N 0.000 claims description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 2
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 claims description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 125000005456 glyceride group Chemical group 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229940071125 manganese acetate Drugs 0.000 claims description 2
- FWHZQBMZKQZFJG-UHFFFAOYSA-N manganese hydrochloride Chemical compound Cl.[Mn] FWHZQBMZKQZFJG-UHFFFAOYSA-N 0.000 claims description 2
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 claims description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 2
- RGVLTEMOWXGQOS-UHFFFAOYSA-L manganese(2+);oxalate Chemical compound [Mn+2].[O-]C(=O)C([O-])=O RGVLTEMOWXGQOS-UHFFFAOYSA-L 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 235000010981 methylcellulose Nutrition 0.000 claims description 2
- 229940078494 nickel acetate Drugs 0.000 claims description 2
- DOLZKNFSRCEOFV-UHFFFAOYSA-L nickel(2+);oxalate Chemical compound [Ni+2].[O-]C(=O)C([O-])=O DOLZKNFSRCEOFV-UHFFFAOYSA-L 0.000 claims description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 2
- XATZQMXOIQGKKV-UHFFFAOYSA-N nickel;hydrochloride Chemical compound Cl.[Ni] XATZQMXOIQGKKV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- XRRONFCBYFZWTM-UHFFFAOYSA-N octadecanoic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCCC(O)=O XRRONFCBYFZWTM-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 150000003904 phospholipids Chemical class 0.000 claims description 2
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229950008882 polysorbate Drugs 0.000 claims description 2
- 229920000136 polysorbate Polymers 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 2
- 102000004169 proteins and genes Human genes 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- 238000009938 salting Methods 0.000 claims description 2
- 239000001632 sodium acetate Substances 0.000 claims description 2
- 235000017281 sodium acetate Nutrition 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 239000004317 sodium nitrate Substances 0.000 claims description 2
- 235000010344 sodium nitrate Nutrition 0.000 claims description 2
- NWZBFJYXRGSRGD-UHFFFAOYSA-M sodium;octadecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCCCCCCOS([O-])(=O)=O NWZBFJYXRGSRGD-UHFFFAOYSA-M 0.000 claims description 2
- 230000032683 aging Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- OPGYRRGJRBEUFK-UHFFFAOYSA-L disodium;diacetate Chemical compound [Na+].[Na+].CC([O-])=O.CC([O-])=O OPGYRRGJRBEUFK-UHFFFAOYSA-L 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- 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
- H01M4/362—Composites
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- 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
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
本发明公开了一种利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,具体过程为:分别配制极性高分子聚合物和多种表面活性剂的混合模板剂溶液、碱溶液和过渡金属盐溶液;在15‑70℃的条件下,同时将过渡金属盐溶液和碱溶液加入到混合模板剂溶液中,持续搅拌反应0.5‑5h,反应结束后陈化1‑24h,离心洗涤,干燥后研磨得到纳米片状前驱体;将纳米片状前驱体与钠盐混合均匀,于500‑1200℃煅烧6‑48h,待自然冷却后得到纳米级薄片状钠离子电池正极材料。本发明制得的纳米级薄片状钠离子电池正极材料能够使得钠离子电池具有较高的能量密度和较好的循环稳定性。
Description
技术领域
本发明属于钠离子电池正极材料的制备技术领域,具体涉及一种利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法。
背景技术
随着社会的发展和生活水平的不断提高,人们对能源需求量也急剧增加。近年来,化石能源短缺已经成为全球亟需解决的关键性问题,为了缓解这一现状,国内外众多学者对自然资源如风能、太阳能、潮汐能等可再生能源和具有高能量密度、长循环寿命、绿色环保的锂离子电池进行了广泛的研究。虽然在一定程度上起到了缓解能源短缺的作用,但是由于价格原因,在大规模能量存储方面的应用受到较大的挑战。钠离子电池因具有与锂离子电池相似的工作原理,且地球储钠量丰富,低成本而备受青睐,如果能将钠离子电池有效的利用,将会对绿色环保和可持续发展提出新方案。
但目前的钠离子电池还存在诸多问题,如能量密度较低、循环稳定性能差、循环寿命短、转化效率低等,需要进一步的提高和完善。因此,为了改善钠离子电池的循环使用及能量密度等性能,本发明通过多模板剂法制备出具有纳米尺寸的钠离子电池正极材料,该钠离子电池表现出优良的电化学储钠性能。
发明内容
本发明针对目前钠离子电池正极材料的循环稳定性差、能量密度低的问题,而提供了一种利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,制得的纳米级薄片状钠离子电池正极材料能够使得钠离子电池具有较高的能量密度和较好的循环稳定性。
本发明是在前期研究的基础上,根据钠和锂有相似的结构和性质,采用类似于锂离子电池正极材料的制备方法来制备钠离子正极材料。以极性高分子聚合物和多种表面活性剂为混合模板剂,将过渡金属盐溶液和碱溶液混合后进行化学沉淀反应,恒温反应后经陈化得到纳米片状前驱体,离心洗涤,干燥,将纳米片状前驱体与钠盐研磨混合后煅烧,即可得到高性能的钠离子电池正极材料。该钠离子电池正极材料具有能量密度高和循环稳定性好等特点,为实现钠离子电池大规模生产应用打下良好的基础。
本发明为解决上述技术问题采用如下技术方案,利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于具体过程为:
步骤S1:分别配制极性高分子聚合物和多种表面活性剂的混合模板剂溶液、碱溶液和过渡金属盐溶液,其中极性高分子聚合物为聚乙烯吡咯烷酮、聚乙烯醇、聚乙二醇、羧甲基纤维素、甲基纤维素、乙基纤维素、羟乙基纤维素、聚丙烯酰胺、聚丙烯酸、聚马来酸酐或聚季胺盐中的至少一种,表面活性剂为磷脂类、胆碱类、蛋白质类、十八烷基硫酸钠、硬脂酸钠、4-(2-羟乙基)-哌嗪乙磺酸、烷基葡糖苷、脂肪酸甘油酯、脂肪酸山梨坦、聚山梨酯、十二烷基苯磺酸钠、十六烷基三甲基溴化铵或柠檬酸中的至少两种,碱溶液为氢氧化钠溶液、氢氧化钾溶液、碳酸钠溶液、碳酸钾溶液或氨水中的至少一种,过渡金属盐为可溶性镍盐、可溶性钴盐或可溶性锰盐中的至少一种;
步骤S2:在15-70℃的条件下,同时将过渡金属盐溶液和碱溶液加入到混合模板剂溶液中,持续搅拌反应0.5-5h,反应结束后陈化1-24h,离心洗涤,干燥后研磨得到纳米片状前驱体;
步骤S3:将纳米片状前驱体与钠盐混合均匀,于500-1200℃煅烧6-48h,待自然冷却后得到纳米级薄片状钠离子电池正极材料。
优选的,步骤S1中所述可溶性镍盐为硫酸镍、硝酸镍、盐酸镍、乙酸镍或草酸镍中的至少一种,可溶性钴盐为硫酸钴、硝酸钴、盐酸钴、乙酸钴或草酸钴中的至少一种,可溶性锰盐为硫酸锰、硝酸锰、盐酸锰、乙酸锰或草酸锰中的至少一种。
优选的,步骤S1中所述碱溶液的pH值为8-14。
优选的,步骤S1中所述过渡金属盐溶液中金属离子的总摩尔数与碱溶液中OH-的摩尔数之比为1:0.8-1.4。
优选的,步骤S2中所述离心洗涤过程所用的洗涤剂为去离子水、乙醇或丙酮中的至少一种,干燥温度为50-120℃。
优选的,步骤S3中所述钠盐为碳酸钠、乙酸钠、氯化钠或硝酸钠中的至少一种。
优选的,步骤S3中所述煅烧过程的煅烧气氛为空气、氧气或氮气中的至少一种。
本发明所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于具体步骤为:
步骤S1:将硫酸锰、硫酸镍和硫酸钴按照摩尔比3:1:1的比例混合溶于水得到过渡金属盐溶液,将氢氧化钠按照摩尔数为过渡金属盐溶液中金属离子总摩尔数的2倍溶于水得到碱溶液,混合模板剂溶液中聚乙二醇2000的浓度为2g/L、柠檬酸的浓度为32mmol/L、十二烷基苯磺酸钠的浓度为0.003mol/L;
步骤S2:在50℃水浴条件下,同时将过渡金属盐溶液和碱溶液滴入混合模板剂溶液中,搅拌反应2h,陈化3h,用去离子水和乙醇离心洗涤,干燥后研磨得到纳米片状前驱体;
步骤S3:将纳米片状前驱体与碳酸钠混合均匀,于800℃煅烧16h,待自然冷却后得到纳米级薄片状钠离子电池正极材料;
将制得的纳米级薄片状钠离子电池正极材料研磨制成浆料,涂在铝箔上,经过80℃烘干24h后再真空干燥24h,以金属钠作为负极进行电池组装,纽扣电池型号为CR2032,电池恒流充放电测试的电压范围为1.5-4.2V,测试仪器型号为新威尔充/放电仪,在0.1C倍率室温下,钠离子电池的首次放电比容量为168mAh/g,循环50次后该钠离子电池的放电比容量为155mAh/g。
本发明制得的纳米级薄片状钠离子电池正极材料能够有效提高钠离子电池的电化学性能,使得钠离子电池具有较好的循环稳定性和较高的能量密度,循环50次后的钠离子电池的放电比容量仍可达150mAh/g。
附图说明
图1是实施例1制得的纳米片状前驱体的XRD图;
图2是实施例3制得的纳米片状前驱体的SEM图;
图3是实施例2制得的钠离子电池正极材料制备的钠离子电池在0.1C倍率室温下的充放电曲线;
图4是实施例2制得的钠离子电池正极材料制备的钠离子电池在0.1C倍率室温下的循环稳定曲线。
具体实施方式
以下通过实施例对本发明的上述内容做进一步详细说明,但不应该将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明上述内容实现的技术均属于本发明的范围。
实施例1
将硫酸锰、硫酸镍和硫酸钴按照摩尔比4:1:1的比例混合溶于水得到过渡金属盐溶液,将氢氧化钠按照摩尔数为过渡金属盐溶液中金属离子总摩尔数的2倍溶于水配制碱溶液,混合模板剂溶液中聚乙烯吡咯烷酮的浓度为1.5g/L、赖氨酸的浓度为36mmol/L、十二烷基苯磺酸钠的浓度为0.004mol/L;在50℃水浴条件下,同时将过渡金属盐溶液和碱溶液滴入混合模板剂溶液中,搅拌反应2h,陈化2h,用去离子水和乙醇离心洗涤,100℃干燥后研磨得到纳米片状前驱体,并采用XRD测试其微观结构,如图1所示;将纳米片状前驱体与碳酸钠和乙酸的钠混合物混合均匀,于900℃煅烧10h,待自然冷却后得到钠离子电池正极材料。
实施例2
将硫酸锰、硫酸镍和硫酸钴按照摩尔比3:1:1的比例混合溶于水得到过渡金属盐溶液,将氢氧化钠按照摩尔数为过渡金属盐溶液中金属离子总摩尔数的2倍溶于水得到碱溶液,混合模板剂溶液中聚乙二醇2000的浓度为2g/L、柠檬酸的浓度为32mmol/L、十二烷基苯磺酸钠的浓度为0.003mol/L;在50℃水浴条件下,同时将过渡金属盐溶液和碱溶液滴入混合模板剂溶液中,搅拌反应2h,陈化3h,用去离子水和乙醇离心洗涤,100℃干燥后研磨得到纳米片状前驱体;将纳米片状前驱体与碳酸钠混合均匀,于800℃煅烧16h,待自然冷却后得到纳米级薄片状钠离子电池正极材料。
将制得的纳米级薄片状钠离子电池正极材料研磨制成浆料,涂在铝箔上,经过80℃烘干24h后再真空干燥24h,以金属钠作为负极进行电池组装,纽扣电池型号为CR2032,电池恒流充放电测试的电压范围为1.5-4.2V,测试仪器型号为新威尔充/放电仪,在0.1C倍率室温下,钠离子电池的首次放电比容量为168mAh/g,如图3所示,循环50次后该钠离子电池的放电比容量为155mAh/g,如图4所示。
实施例3
将硫酸锰、硫酸镍和硫酸钴按照摩尔比4:2:1的比例混合溶于水得到过渡金属盐溶液,将氢氧化钠按照摩尔数为过渡金属盐溶液中金属离子总摩尔数的2倍溶于水配制碱溶液,混合模板剂溶液中聚乙烯醇的浓度为1g/L、4-(2-羟乙基)-哌嗪乙磺酸的浓度为36mmol/L、十六烷基三甲基溴化铵的浓度为0.004mol/L;在50℃水浴条件下,同时将过渡金属盐溶液和碱溶液滴入混合模板剂溶液中,搅拌反应2h,陈化2h,用去离子水和乙醇离心洗涤,60℃干燥后研磨得到纳米片状前驱体,通过SEM测试其微观形貌,如图2所示,由图2可知,所得的纳米片状前体微观上呈现粒径均匀的薄片状结构,平均厚度约为18nm;将纳米片状前驱体与乙酸钠钠混合均匀,于850℃煅烧12h,待自然冷却后得到钠离子电池正极材料。
实施例4
将硫酸锰、硫酸镍和硫酸钴按照摩尔比4:1:1的比例混合溶于水得到过渡金属盐溶液,将氢氧化钠按照摩尔数为过渡金属盐溶液中金属离子总摩尔数的2倍溶于水配制碱溶液,混合模板剂溶液中聚乙烯吡咯烷酮的浓度为1.5g/L、烷基葡糖苷的浓度为36mmol/L、十二烷基苯磺酸钠的浓度为0.004mol/L;在50℃水浴条件下,同时将过渡金属盐溶液和碱溶液滴入混合模板剂溶液中,搅拌反应2h,陈化2h,用去离子水和乙醇离心洗涤,120℃干燥后研磨得到纳米片状前驱体;将纳米片状前驱体与碳酸钠混合均匀,于850℃煅烧16h,待自然冷却后得到钠离子电池正极材料。
以上实施例描述了本发明的基本原理、主要特征及优点,本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明原理的范围下,本发明还会有各种变化和改进,这些变化和改进均落入本发明保护的范围内。
Claims (8)
1.利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于具体过程为:
步骤S1:分别配制极性高分子聚合物和多种表面活性剂的混合模板剂溶液、碱溶液和过渡金属盐溶液,其中极性高分子聚合物为聚乙烯吡咯烷酮、聚乙烯醇、聚乙二醇、羧甲基纤维素、甲基纤维素、乙基纤维素、羟乙基纤维素、聚丙烯酰胺、聚丙烯酸、聚马来酸酐或聚季胺盐中的至少一种,表面活性剂为磷脂类、胆碱类、蛋白质类、十八烷基硫酸钠、硬脂酸钠、4-(2-羟乙基)-哌嗪乙磺酸、烷基葡糖苷、脂肪酸甘油酯、脂肪酸山梨坦、聚山梨酯、十二烷基苯磺酸钠、十六烷基三甲基溴化铵或柠檬酸中的至少两种,碱溶液为氢氧化钠溶液、氢氧化钾溶液、碳酸钠溶液、碳酸钾溶液或氨水中的至少一种,过渡金属盐为可溶性镍盐、可溶性钴盐或可溶性锰盐中的至少一种;
步骤S2:在15-70℃的条件下,同时将过渡金属盐溶液和碱溶液加入到混合模板剂溶液中,持续搅拌反应0.5-5h,反应结束后陈化1-24h,离心洗涤,干燥后研磨得到纳米片状前驱体;
步骤S3:将纳米片状前驱体与钠盐混合均匀,于500-1200℃煅烧6-48h,待自然冷却后得到纳米级薄片状钠离子电池正极材料。
2.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于:步骤S1中所述可溶性镍盐为硫酸镍、硝酸镍、盐酸镍、乙酸镍或草酸镍中的至少一种,可溶性钴盐为硫酸钴、硝酸钴、盐酸钴、乙酸钴或草酸钴中的至少一种,可溶性锰盐为硫酸锰、硝酸锰、盐酸锰、乙酸锰或草酸锰中的至少一种。
3.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于:步骤S1中所述碱溶液的pH值为8-14。
4.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于:步骤S1中所述过渡金属盐溶液中金属离子的总摩尔数与碱溶液中OH-的摩尔数之比为1:0.8-1.4。
5.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于:步骤S2中所述离心洗涤过程所用的洗涤剂为去离子水、乙醇或丙酮中的至少一种,干燥温度为50-120℃。
6.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于:步骤S3中所述钠盐为碳酸钠、乙酸钠、氯化钠或硝酸钠中的至少一种。
7.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于:步骤S3中所述煅烧过程的煅烧气氛为空气、氧气或氮气中的至少一种。
8.根据权利要求1所述的利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法,其特征在于具体步骤为:
步骤S1:将硫酸锰、硫酸镍和硫酸钴按照摩尔比3:1:1的比例混合溶于水得到过渡金属盐溶液,将氢氧化钠按照摩尔数为过渡金属盐溶液中金属离子总摩尔数的2倍溶于水得到碱溶液,混合模板剂溶液中聚乙二醇2000的浓度为2g/L、柠檬酸的浓度为32mmol/L、十二烷基苯磺酸钠的浓度为0.003mol/L;
步骤S2:在50℃水浴条件下,同时将过渡金属盐溶液和碱溶液滴入混合模板剂溶液中,搅拌反应2h,陈化3h,用去离子水和乙醇离心洗涤,干燥后研磨得到纳米片状前驱体;
步骤S3:将纳米片状前驱体与碳酸钠混合均匀,于800℃煅烧16h,待自然冷却后得到纳米级薄片状钠离子电池正极材料;
将制得的纳米级薄片状钠离子电池正极材料研磨制成浆料,涂在铝箔上,经过80℃烘干24h后再真空干燥24h,以金属钠作为负极进行电池组装,纽扣电池型号为CR2032,电池恒流充放电测试的电压范围为1.5-4.2V,测试仪器型号为新威尔充/放电仪,在0.1C倍率室温下,钠离子电池的首次放电比容量为168mAh/g,循环50次后该钠离子电池的放电比容量为155mAh/g。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910761565.4A CN110429267A (zh) | 2019-08-19 | 2019-08-19 | 利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910761565.4A CN110429267A (zh) | 2019-08-19 | 2019-08-19 | 利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110429267A true CN110429267A (zh) | 2019-11-08 |
Family
ID=68416743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910761565.4A Pending CN110429267A (zh) | 2019-08-19 | 2019-08-19 | 利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110429267A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111211255A (zh) * | 2020-01-07 | 2020-05-29 | 北京科技大学 | 一种水系钛酸锂电池及其制备方法 |
CN112701278A (zh) * | 2020-12-25 | 2021-04-23 | 北京化工大学常州先进材料研究院 | 花瓣片状球形水钠锰矿钾离子电池正极材料的制备方法 |
CN114717687A (zh) * | 2022-05-17 | 2022-07-08 | 芜湖天弋能源科技有限公司 | 一种中空纤维状钠离子电池正极材料及其制备方法和应用 |
CN114804307A (zh) * | 2022-03-08 | 2022-07-29 | 曲阜师范大学 | Kc预插层的碳纳米薄片(kc-pcn)、制备方法、电极及电容去离子 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102386381A (zh) * | 2010-08-30 | 2012-03-21 | 机械科学研究总院先进制造技术研究中心 | 一种锂离子电池纳米级正极材料的制备方法 |
CN103972491A (zh) * | 2013-12-30 | 2014-08-06 | 合肥国轩高科动力能源股份公司 | 富锂锰基正极材料的制备方法 |
CN106159254A (zh) * | 2015-04-23 | 2016-11-23 | 安泰科技股份有限公司 | 纳米片状三元或富锂锰基固溶体正极材料前驱体制备方法 |
CN107445214A (zh) * | 2017-09-05 | 2017-12-08 | 中南大学 | 一种锂离子电池用镍钴锰三元正极材料及其制备方法 |
CN108470906A (zh) * | 2018-03-02 | 2018-08-31 | 河南师范大学 | 利用双模板剂制备高性能钠离子电池正极材料的方法 |
-
2019
- 2019-08-19 CN CN201910761565.4A patent/CN110429267A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102386381A (zh) * | 2010-08-30 | 2012-03-21 | 机械科学研究总院先进制造技术研究中心 | 一种锂离子电池纳米级正极材料的制备方法 |
CN103972491A (zh) * | 2013-12-30 | 2014-08-06 | 合肥国轩高科动力能源股份公司 | 富锂锰基正极材料的制备方法 |
CN106159254A (zh) * | 2015-04-23 | 2016-11-23 | 安泰科技股份有限公司 | 纳米片状三元或富锂锰基固溶体正极材料前驱体制备方法 |
CN107445214A (zh) * | 2017-09-05 | 2017-12-08 | 中南大学 | 一种锂离子电池用镍钴锰三元正极材料及其制备方法 |
CN108470906A (zh) * | 2018-03-02 | 2018-08-31 | 河南师范大学 | 利用双模板剂制备高性能钠离子电池正极材料的方法 |
Non-Patent Citations (1)
Title |
---|
BAO LI,ET AL.: ""Improving rate performances of Li-rich layered oxide by the co-doping of Sn and K ions "", 《JOURNAL OF MATERIOMICS》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111211255A (zh) * | 2020-01-07 | 2020-05-29 | 北京科技大学 | 一种水系钛酸锂电池及其制备方法 |
CN111211255B (zh) * | 2020-01-07 | 2021-05-07 | 北京科技大学 | 一种水系钛酸锂电池及其制备方法 |
CN112701278A (zh) * | 2020-12-25 | 2021-04-23 | 北京化工大学常州先进材料研究院 | 花瓣片状球形水钠锰矿钾离子电池正极材料的制备方法 |
CN114804307A (zh) * | 2022-03-08 | 2022-07-29 | 曲阜师范大学 | Kc预插层的碳纳米薄片(kc-pcn)、制备方法、电极及电容去离子 |
CN114717687A (zh) * | 2022-05-17 | 2022-07-08 | 芜湖天弋能源科技有限公司 | 一种中空纤维状钠离子电池正极材料及其制备方法和应用 |
CN114717687B (zh) * | 2022-05-17 | 2023-11-24 | 芜湖天弋能源科技有限公司 | 一种中空纤维状钠离子电池正极材料及其制备方法和应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110429267A (zh) | 利用多模板剂制备纳米级薄片状钠离子电池正极材料的方法 | |
CN106549155A (zh) | 一种钾钠锰铁基普鲁士蓝类电极材料及其制备方法和应用 | |
CN102569781B (zh) | 一种高电压锂离子电池正极材料及其制备方法 | |
CN103762353B (zh) | 一种异质核壳结构的高容量锂电正极材料以及其制备方法 | |
CN103137950B (zh) | 一种高比容量锂离子电池负极材料及其制备方法 | |
CN103943848B (zh) | 一种多孔棒状结构钴基锂离子电池正极材料的制备方法 | |
CN102208637A (zh) | 空心球结构ZnFe2O4/C复合负极材料及其一步法制备 | |
CN110336010A (zh) | 具有强相互作用的阴阳离子共掺杂纳米级钠离子电池正极材料的制备方法 | |
CN108539141A (zh) | 一种钠离子电池用三元层状正极材料的制备方法 | |
CN111082003A (zh) | 一种钒酸盐水合物电极材料及其制备方法和应用 | |
CN110371936A (zh) | 一种层间距可调的钠离子电池用硒化铜纳米片阵列的制备方法及其应用 | |
CN106410149A (zh) | 一种硫掺杂碳包覆高含量过渡金属硫化物的制备方法及储锂应用 | |
CN110078096A (zh) | 一种普鲁士蓝材料及其制备方法 | |
CN113422048B (zh) | 一种水系锌离子电池正极材料的制备方法及其应用 | |
CN102544477A (zh) | 一种钴包覆纳米α-氢氧化镍的制备方法 | |
CN108831755A (zh) | 一种电容器电极多元复合材料的制备方法 | |
CN108470907A (zh) | 一种钾离子掺杂富锂正极材料及其制备方法与在锂离子电池中的应用 | |
CN110265652A (zh) | 一种用于锂离子/钠离子电池负极的纳米片状Sb/C复合材料的制备方法 | |
CN108695503A (zh) | 在材料表面包覆二氧化锰的方法及用该方法制备的电池正极改性材料 | |
CN106025234A (zh) | 一种无粘结剂Ni3S2/Ni钠离子电池负极的制备方法 | |
CN104934590A (zh) | 一种锰酸锌/石墨烯复合材料的制备方法 | |
CN101908623B (zh) | 一种银掺杂纳米氢氧化镍正极材料的制备方法 | |
CN110002500A (zh) | 一种聚丙烯酸钠协助制备二硫化钼花球的方法及应用 | |
CN108470906A (zh) | 利用双模板剂制备高性能钠离子电池正极材料的方法 | |
CN104201365B (zh) | 一种锂离子电池用中空铁锰复合氧化物材料的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191108 |