CN105762342B - 一种石墨烯微片/磷酸铁锂复合正极材料及其制备方法 - Google Patents
一种石墨烯微片/磷酸铁锂复合正极材料及其制备方法 Download PDFInfo
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- CN105762342B CN105762342B CN201610193537.3A CN201610193537A CN105762342B CN 105762342 B CN105762342 B CN 105762342B CN 201610193537 A CN201610193537 A CN 201610193537A CN 105762342 B CN105762342 B CN 105762342B
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- China
- Prior art keywords
- graphene
- iron phosphate
- starch
- lithium
- graphite
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- 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.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 59
- 229910000398 iron phosphate Inorganic materials 0.000 title claims abstract description 27
- -1 iron phosphate compound Chemical class 0.000 title claims abstract description 20
- 239000010405 anode material Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 28
- 229920002472 Starch Polymers 0.000 claims abstract description 25
- 235000019698 starch Nutrition 0.000 claims abstract description 25
- 239000008107 starch Substances 0.000 claims abstract description 25
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 20
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 239000000084 colloidal system Substances 0.000 claims description 48
- 239000011259 mixed solution Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000012265 solid product Substances 0.000 claims description 10
- 239000004094 surface-active agent Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- 244000017020 Ipomoea batatas Species 0.000 claims description 7
- 235000002678 Ipomoea batatas Nutrition 0.000 claims description 7
- 239000007770 graphite material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- VFHDWENBWYCAIB-UHFFFAOYSA-M hydrogen carbonate;tetramethylazanium Chemical compound OC([O-])=O.C[N+](C)(C)C VFHDWENBWYCAIB-UHFFFAOYSA-M 0.000 claims description 4
- JYTNGEWJAZCVAN-UHFFFAOYSA-N 2-hexadecylbenzenesulfonic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O JYTNGEWJAZCVAN-UHFFFAOYSA-N 0.000 claims description 2
- QZQLYYWBIFECKU-UHFFFAOYSA-L C([O-])([O-])=O.NC(=N)N.C(CCCCCCCCCCCCCCC)C[N+](C)(C)C.C(CCCCCCCCCCCCCCC)C[N+](C)(C)C Chemical compound C([O-])([O-])=O.NC(=N)N.C(CCCCCCCCCCCCCCC)C[N+](C)(C)C.C(CCCCCCCCCCCCCCC)C[N+](C)(C)C QZQLYYWBIFECKU-UHFFFAOYSA-L 0.000 claims description 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 2
- 229920002261 Corn starch Polymers 0.000 claims description 2
- 240000003183 Manihot esculenta Species 0.000 claims description 2
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 2
- 240000001085 Trapa natans Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 239000012298 atmosphere Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000008120 corn starch Substances 0.000 claims description 2
- 229940099112 cornstarch Drugs 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- XUBMPLUQNSSFHO-UHFFFAOYSA-M hydrogen carbonate;tetraethylazanium Chemical compound OC([O-])=O.CC[N+](CC)(CC)CC XUBMPLUQNSSFHO-UHFFFAOYSA-M 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 235000009165 saligot Nutrition 0.000 claims description 2
- 238000001694 spray drying Methods 0.000 claims description 2
- 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 1
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims 1
- 244000098338 Triticum aestivum Species 0.000 claims 1
- ZSYNKHJUSDFTCQ-UHFFFAOYSA-N [Li].[Fe].P(O)(O)(O)=O Chemical compound [Li].[Fe].P(O)(O)(O)=O ZSYNKHJUSDFTCQ-UHFFFAOYSA-N 0.000 claims 1
- 230000003213 activating effect Effects 0.000 claims 1
- 150000008107 benzenesulfonic acids Chemical class 0.000 claims 1
- HKVLOZLUWWLDFP-UHFFFAOYSA-M hydron;tetrabutylazanium;carbonate Chemical compound OC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC HKVLOZLUWWLDFP-UHFFFAOYSA-M 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 239000000416 hydrocolloid Substances 0.000 abstract description 6
- 238000009776 industrial production Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 13
- 229910052493 LiFePO4 Inorganic materials 0.000 description 12
- 229910001416 lithium ion Inorganic materials 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000012299 nitrogen atmosphere Substances 0.000 description 6
- 239000003643 water by type Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000011363 dried mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- ROPKRESREIODGJ-UHFFFAOYSA-N C(O)(O)=O.C(CCCCCCCCCCC)N=C(N(C)C)N(C)C Chemical compound C(O)(O)=O.C(CCCCCCCCCCC)N=C(N(C)C)N(C)C ROPKRESREIODGJ-UHFFFAOYSA-N 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- NCZYUKGXRHBAHE-UHFFFAOYSA-K [Li+].P(=O)([O-])([O-])[O-].[Fe+2].[Li+] Chemical compound [Li+].P(=O)([O-])([O-])[O-].[Fe+2].[Li+] NCZYUKGXRHBAHE-UHFFFAOYSA-K 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- 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
- H01M4/366—Composites as layered products
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/58—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
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
Abstract
Description
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CN201610193537.3A CN105762342B (zh) | 2016-03-31 | 2016-03-31 | 一种石墨烯微片/磷酸铁锂复合正极材料及其制备方法 |
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CN201610193537.3A CN105762342B (zh) | 2016-03-31 | 2016-03-31 | 一种石墨烯微片/磷酸铁锂复合正极材料及其制备方法 |
Publications (2)
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CN105762342A CN105762342A (zh) | 2016-07-13 |
CN105762342B true CN105762342B (zh) | 2018-05-01 |
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CN201610193537.3A Expired - Fee Related CN105762342B (zh) | 2016-03-31 | 2016-03-31 | 一种石墨烯微片/磷酸铁锂复合正极材料及其制备方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106340653B (zh) * | 2016-09-29 | 2018-10-30 | 叶盛 | 一种褶皱状石墨烯复合导电剂及制备方法 |
CN109103442A (zh) * | 2018-09-18 | 2018-12-28 | 四川省有色冶金研究院有限公司 | 一种石墨烯包覆磷酸铁锂正极材料的制备方法 |
Family Cites Families (4)
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CN101752561B (zh) * | 2009-12-11 | 2012-08-22 | 宁波艾能锂电材料科技股份有限公司 | 石墨烯改性磷酸铁锂正极活性材料及其制备方法以及锂离子二次电池 |
CN101817516A (zh) * | 2010-05-21 | 2010-09-01 | 哈尔滨工业大学 | 高效率低成本机械剥离制备石墨烯或氧化石墨烯的方法 |
CN102544502B (zh) * | 2010-12-09 | 2015-07-01 | 中国科学院宁波材料技术与工程研究所 | 用于锂二次电池的正极负极导电添加剂及其制备方法和相关锂二次电池的制备方法 |
CN105329887A (zh) * | 2015-12-08 | 2016-02-17 | 成都新柯力化工科技有限公司 | 一种利用晶型诱导在螺杆挤出机中制备石墨烯的方法 |
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2016
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