CN106803571B - It is a kind of with high-energy, high magnification and the carbon of long-life anode and its application - Google Patents
It is a kind of with high-energy, high magnification and the carbon of long-life anode and its application Download PDFInfo
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- CN106803571B CN106803571B CN201510837533.XA CN201510837533A CN106803571B CN 106803571 B CN106803571 B CN 106803571B CN 201510837533 A CN201510837533 A CN 201510837533A CN 106803571 B CN106803571 B CN 106803571B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 41
- 230000005518 electrochemistry Effects 0.000 claims abstract description 39
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims abstract description 13
- 239000007772 electrode material Substances 0.000 claims abstract description 6
- 238000012983 electrochemical energy storage Methods 0.000 claims abstract description 5
- 238000004146 energy storage Methods 0.000 claims abstract description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 37
- 239000003792 electrolyte Substances 0.000 claims description 34
- 239000000654 additive Substances 0.000 claims description 24
- 230000000996 additive effect Effects 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 15
- -1 allyl methyl sulfonic acid Chemical compound 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 229910019142 PO4 Inorganic materials 0.000 claims description 10
- 239000010452 phosphate Substances 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 10
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 5
- 150000002825 nitriles Chemical class 0.000 claims description 5
- 239000002585 base Substances 0.000 claims description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 4
- 150000002170 ethers Chemical class 0.000 claims description 4
- 239000005486 organic electrolyte Substances 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 150000003457 sulfones Chemical class 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 3
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 claims description 2
- 229920003026 Acene Polymers 0.000 claims description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical class COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000000443 aerosol Substances 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims description 2
- 150000001345 alkine derivatives Chemical class 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical compound CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000006258 conductive agent Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 claims description 2
- 238000007872 degassing Methods 0.000 claims description 2
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 239000002608 ionic liquid Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- CUONGYYJJVDODC-UHFFFAOYSA-N malononitrile Chemical compound N#CCC#N CUONGYYJJVDODC-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- YTQYIBPZPDYYGW-UHFFFAOYSA-N methyl prop-1-ene-1-sulfonate Chemical class COS(=O)(=O)C=CC YTQYIBPZPDYYGW-UHFFFAOYSA-N 0.000 claims description 2
- YHLVIDQQTOMBGN-UHFFFAOYSA-N methyl prop-2-enyl carbonate Chemical compound COC(=O)OCC=C YHLVIDQQTOMBGN-UHFFFAOYSA-N 0.000 claims description 2
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 claims description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 229920000767 polyaniline Polymers 0.000 claims description 2
- 229920000123 polythiophene Polymers 0.000 claims description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 2
- 150000008053 sultones Chemical class 0.000 claims description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 claims description 2
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims 2
- 229910001413 alkali metal ion Inorganic materials 0.000 claims 2
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical class C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 claims 1
- PLUBXMRUUVWRLT-UHFFFAOYSA-N Ethyl methanesulfonate Chemical compound CCOS(C)(=O)=O PLUBXMRUUVWRLT-UHFFFAOYSA-N 0.000 claims 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims 1
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 claims 1
- 150000003851 azoles Chemical class 0.000 claims 1
- 239000011883 electrode binding agent Substances 0.000 claims 1
- 150000003233 pyrroles Chemical class 0.000 claims 1
- 229950011008 tetrachloroethylene Drugs 0.000 claims 1
- 229930192474 thiophene Natural products 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 15
- 150000001340 alkali metals Chemical class 0.000 abstract description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 9
- 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 abstract description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052791 calcium Inorganic materials 0.000 abstract description 9
- 239000011575 calcium Substances 0.000 abstract description 9
- 229910052749 magnesium Inorganic materials 0.000 abstract description 9
- 239000011777 magnesium Substances 0.000 abstract description 9
- 229910052700 potassium Inorganic materials 0.000 abstract description 9
- 239000011591 potassium Substances 0.000 abstract description 9
- 229910052708 sodium Inorganic materials 0.000 abstract description 9
- 239000011734 sodium Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 150000002500 ions Chemical class 0.000 abstract description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract description 4
- 150000001342 alkaline earth metals Chemical class 0.000 abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 33
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 16
- 239000003575 carbonaceous material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 7
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000002482 conductive additive Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- SGGFJMHYWAUDLU-UHFFFAOYSA-N B(O)(F)F.C(C(=O)O)(=O)O Chemical compound B(O)(F)F.C(C(=O)O)(=O)O SGGFJMHYWAUDLU-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000037427 ion transport Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- QSLPNSWXUQHVLP-UHFFFAOYSA-N $l^{1}-sulfanylmethane Chemical compound [S]C QSLPNSWXUQHVLP-UHFFFAOYSA-N 0.000 description 1
- 125000006091 1,3-dioxolane group Chemical class 0.000 description 1
- AOANMOLKQQXRCC-UHFFFAOYSA-N C(C)(=O)OC=C.C(O)(=O)F Chemical compound C(C)(=O)OC=C.C(O)(=O)F AOANMOLKQQXRCC-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- QNLVXLJTOLHAMA-UHFFFAOYSA-N N=NC=NN.N=NC=NN.C(O)(O)=O Chemical compound N=NC=NN.N=NC=NN.C(O)(O)=O QNLVXLJTOLHAMA-UHFFFAOYSA-N 0.000 description 1
- GNCVXLOOEYOACU-UHFFFAOYSA-N [B](F)F.C(C(=O)O)(=O)O Chemical compound [B](F)F.C(C(=O)O)(=O)O GNCVXLOOEYOACU-UHFFFAOYSA-N 0.000 description 1
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/045—Electrochemical coating; Electrochemical impregnation
- H01M4/0452—Electrochemical coating; Electrochemical impregnation from solutions
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- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of with high-energy, high magnification and the carbon of long-life anode and its application, belongs to electrochemical energy storage technical field.The present invention effectively realizes the protection to carbon electrode material by electrochemistry pre-coated method, so that high capacity is obtained, high magnification, the carbon positive electrode of long circulation life.The present invention can be effectively used for alkali metal, alkaline-earth metal (lithium, sodium, potassium, magnesium, calcium etc.) ion battery and alkali metal, alkaline-earth metal ions (lithium, sodium, potassium, magnesium, calcium etc.) capacitor conduct anode, it can get and have both high-energy, high power, the energy storage device of the characteristics such as long circulation life.The present invention is simple and compatible with prior art with technical process simultaneously, and for improving device performance significant effect, therefore has great application prospect.
Description
Technical field
The present invention relates to the technical fields of electrochemical energy storage, and in particular to one kind has high-energy, high magnification and length
The carbon anode in service life and its application.
Background technique
Effective storage of the clean energy resourcies such as solar energy, wind energy, the fast development of electric car and portable electronic product
Increasingly higher demands all are proposed to electrochemical energy storing device.And wherein lithium ion battery is still stepped driving cone used at present
Part.However as the large-scale application of lithium battery, the problem of lithium resource, will be got worse.Using sodium, potassium, magnesium, calcium as the alkali of representative
Metal, alkaline-earth metal ions battery and alkali metal, alkaline-earth metal ions capacitor will become the direction of future development.However, and
Lithium ion battery is identical, and alkali metal, alkaline-earth metal ions battery and alkali metal, alkaline-earth metal ions capacitor all suffer from equally
The problem of: low capacity, low range and the poor cyclical stability of positive electrode.The development of positive electrode greatly restricts electrification
Learn pushing ahead for energy storage device.Compared to the positive electrode of embedded type, the diversity of carbon material self structure and official abundant
Can group, for design of material and it is modified provide advantage to provide high capacity, while its high conductance and ion expansion for having
Characteristic is dissipated, excellent high rate performance can be provided.Thus carbon material is considered one of following most promising positive electrode.
But since carbon material itself has greater activity, be used in anode when, it is unstable in high voltage potential section, be easy to and
Electrolyte reacts, and will cause the performance degradation in cyclic process, significantly limits it in alkali metal, alkaline-earth metal ions
Further applying in battery and alkali metal, alkaline-earth metal ions capacitor.Therefore how guarantee carbon material anode high capacity,
It is current urgent problem to improve its cyclical stability between positive high voltage region under the premise of powerful.
Summary of the invention
The purpose of the present invention is to provide a kind of with high-energy, high magnification and the carbon of long-life anode and its application, leads to
Electrochemistry pre-coated method is crossed to realize protection to carbon electrode, it can be achieved that it inhibits electrolyte decomposition in electrochemical process,
Obtain the carbon electrode of high capacity, high magnification and long circulation life.The electrode can be effectively used for alkali metal, alkaline-earth metal (lithium,
Sodium, potassium, magnesium, calcium etc.) ion battery and alkali metal, alkaline-earth metal ions (lithium, sodium, potassium, magnesium, calcium etc.) capacitor as anode,
High-energy, high power, the electrochemical energy storage part of the characteristics such as long circulation life are had both to obtain.
To achieve the above object, the technical solution adopted in the present invention is as follows:
It is a kind of positive with high-energy, high magnification and the carbon of long-life, it is prepared in accordance with the following steps:
(1) assembling of carbon electrode: using carbon electrode as working electrode, lithium piece is used as to electrode and reference electrode, carbon electrode,
Lithium piece and diaphragm are assembled into sandwich structure, while the electrolyte comprising additive is added, the content of additive in the electrolyte
For 0.01~10wt.%；
(2) the electrochemistry pre-coated processing of carbon electrode: to the carbon electrode after step (1) assembling in positive section (4.5V
~0.8V vs.Li/Li+) carry out constant-current discharge, by control electrolyte in additive amount and the constant-current discharge time come into
The adjustment of row electrochemistry pre-coated effect.When the additive level in electrolyte is 0.01-10wt.% and discharge time is
When 5min~50h, the additive in electrolyte is decomposed in current potential 0.8-4.5V, and forms the thin of uniform fold in carbon electrodes
Layer protective film, the protective film can block electrolyte to obtain electronics and the path for reaction of decomposing from carbon material surface, Neng Goushi
Now to the protection of carbon electrode；To obtain the high capacity, high magnification and the carbon electrode of long-life.
In above-mentioned steps (1), the sandwich structure refers to that carbon electrode, diaphragm and lithium piece are arranged successively assembling and are formed by
Structure；After the processing of step (2) electrochemistry pre-coated, organic polymeric protective film is formed in carbon electrodes, with a thickness of
0.5nm-100nm。
In above-mentioned steps (1), the additive is LiODFB, dioxalic acid lithium borate, propylene carbonate, four chloroethenes
Alkene, propene sulfonic acid methyl esters, carbonic acid first alkynes, Allyl methyl carbonate, allyl methyl sulfonic acid, ethylene carbonate, fluoro carbonic acid
Vinyl acetate, sulfurous acid butylene, butane sultone, the third sultone, phenyl Cyclic Sulfate, 4- methyl-1,3,2- dioxazole thiophene -2,
One or more of 2- dioxide and 4- ethyl -1,3,2- dioxazole thiophene -2,2- dioxide.
The electrolyte can be organic electrolyte or various ionic liquids；The organic electrolyte refer to perchlorate,
Tetrafluoroborate, double trifluoromethanesulfonimide lithiums, hexafluorophosphate or trifluoromethyl sulfonic acid etc. are formed in organic solvent
Solution；The organic solvent can be one or more of carbonates, ethers, sulfone class, phosphate base solvent and nitrile；
Wherein carbonates are propylene carbonate, ethylene carbonate, propene carbonate, methyl ethyl carbonate, methyl propyl carbonate, carbonic acid diformazan
One or more of ester and diethyl carbonate；Ethers is 1,3- dioxolanes or glycol dimethyl ether etc.；Sulfone class is methyl sulphur
Acetoacetic ester or sulfolane etc.；Phosphate base solvent is dimethyl methyl phosphonate etc.；Nitrile is in acetonitrile, malononitrile and adiponitrile etc.
One or more.
In the carbon anode active electrode material (carbon material) be active carbon, template carbon, activated carbon fibre, carbon aerosol,
Carbon nanotube, graphene, cracking charcoal, graphite and carbon containing polymer (including polypyrrole, polythiophene, polyaniline, it is poly- to benzene,
Polyacene etc.) one or more of composite material.
In above-mentioned steps (1), carbon before assembling anode is made as common process, i.e., by active electrode material (carbon materials
Material), binder and conductive agent carry out ingredient, coating, tabletting and slice and obtain.
The preparation of institute of the invention that there is high-energy, high magnification and the carbon of long-life anode to be applied to alkali metal, alkaline earth is golden
Belong to (lithium, sodium, potassium, magnesium, calcium etc.) ion battery and alkali metal, alkaline-earth metal ions (lithium, sodium, potassium, magnesium, calcium etc.) capacitor conduct
Anode, to obtain the electrochemical energy storage part for having both the characteristics such as high-energy, high power and long circulation life.Concrete application
Method are as follows: will successively carry out lamination assembling with high-energy, high magnification and the carbon of long-life anode, diaphragm and cathode, be electrolysed
It is packaged after liquid injection；Obtaining by aging, degassing and secondary encapsulation has high-energy, high power and long circulation life etc.
The energy storage device of characteristic.
Design principle of the present invention is as follows:
The present invention will be assembled into sandwich structure using carbon electrode, lithium electrode and the diaphragm of common process preparation first, and
After injection is containing the electrolyte of a certain amount of additive, using electrochemistry pre-coated in the lamellar organic polymer of carbon electrodes shape
Object protective film avoids electrolyte from contacting with the direct of carbon surface to effectively realize the protection to carbon electrode, and follows in electrochemistry
Reacting in ring charge and discharge process causes to decompose.To obtain the carbon electrode of high capacity, high magnification and long circulation life.The electricity
Pole can be effectively used for alkali metal, alkaline-earth metal (lithium, sodium, potassium, magnesium, calcium etc.) ion battery and alkali metal, alkaline-earth metal ions
(lithium, sodium, potassium, magnesium, calcium etc.) capacitor has both high-energy, high power, the energy of the characteristics such as long circulation life as anode, acquisition
Memory device.
The present invention is during electrochemistry pre-coated, when by controlling the additive level and constant-current discharge in electrolyte
Between, allow the additive in positive section (4.5V-0.8V vs.Li/Li+) in decompose, and carbon electrodes carry out at
Film.During this period, additive partly or completely decomposes and generates protective film.In the section that additive is decomposed, put
The electric time is longer, and film forming thickness is bigger.Simultaneously constant-current discharge electric current it is smaller, quality of forming film is higher, it is easier to electrode material into
Row adequately protects.
Compared with the prior art, the present invention achieve following advantage and the utility model has the advantages that
1, electrochemistry pre-coated process approach proposed by the present invention can effectively protect carbon anode, to obtain Gao Rong
Amount, high magnification, the carbon anode of long circulation life.
2, electrochemistry pre-coated process approach proposed by the present invention has popularity, can be used for above-mentioned various carbon materials and has
Machine electrolyte.
3, carbon electrode prepared by the present invention, can be used for alkali metal, alkaline-earth metal ions battery and alkali metal, alkaline-earth metal from
Related energy storage device can be greatly improved as positive electrode in sub-capacitor, and energy density, power characteristic especially recycle
Stability widens its application field.
4, high capacity proposed by the present invention, high magnification, the carbon anode preparation process of long-life feature are simple, and different batches can
It is repeated strong, it is easy to amplify production on a large scale.
Detailed description of the invention
Fig. 1 is electrochemistry pre-coated process schematic；In figure: land regions shown in dotted line are LiODFB point
Solution, the time required to abscissa corresponds to electrochemistry pre-coated process.
Fig. 2 is the schematic diagram that electrochemistry pre-coated process handles carbon electrode；In figure: (a) initial carbon anode；(b) electrochemistry
Pre-coated process handles carbon anode；(c) the carbon anode after recycling, due to its high activity, electrolyte persistently occurs in electrode surface
It decomposes, by-product is persistently accumulated in electrode surface causes electrode to inactivate.Ion transport resistance increases between electrolyte and electrode, electrode
High rate performance and cyclical stability all reduce；(d) the electrochemistry pre-coated process processing carbon anode after recycling, surface cladding protection
Film, due to the presence of protective film, electrode structure is stablized, and high rate performance and cyclical stability are excellent.
Fig. 3 is the electrochemistry that different LiODFB additive capacities handle that Graphene electrodes are used for lithium ion battery
Energy；In figure: (a) the electrochemistry pre-coated process of different LiODFB additive amounts；(b) different LiODFBs add
The electrochemistry pre-coated process processing Graphene electrodes of dosage are used for the high rate performance of lithium ion cell positive；(c, d) different grass
Circulation of the electrochemistry pre-coated process processing Graphene electrodes of sour difluoro lithium borate additive amount for lithium ion cell positive is steady
It is qualitative.
Fig. 4 is the chemical property that electrochemistry pre-coated process handles that graphene anode is used for lithium-ion capacitor；In figure:
(a) high rate performance compares；(b) cycle performance compares.
Fig. 5 is the high property that the lithium-ion capacitor and existing report of graphene anode are handled using electrochemistry pre-coated process
The performance comparison of energy lithium-ion capacitor；In figure: (a) energy density-power density diagram；(b) 1000 cycle performance comparisons.
Specific embodiment
The present invention is illustrated below with reference to embodiment.Electrochemistry pre-coated process such as Fig. 1 institute in following embodiment
Show；Using corresponding carbon electrode as working electrode, lithium piece is used as to electrode and reference electrode, while using a certain amount of oxalic acid of addition
The esters electrolyte of difluoro lithium borate carries out half-cell assembling；The esters electrolyte is that lithium hexafluoro phosphate is dissolved in carbonic acid second
It is formed in enester and dimethyl carbonate, wherein the concentration of lithium hexafluoro phosphate is 1mol/L.Then the constant current of low current is carried out to it
It is discharged to 1.1V.LiODFB is in 1.7V vs. Li/Li+Decomposition can form uniform fold, thin in carbon electrodes
The organic polymer protective film of layer.
Fig. 2 is the schematic diagram that electrochemistry pre-coated process handles carbon electrode, and initial carbon anode ((a) of Fig. 2) is through recycling
Afterwards, due to its high activity, electrolyte is persistently decomposed in electrode surface, and by-product is persistently accumulated in electrode surface causes electrode
Inactivation, ion transport resistance increases between electrolyte and electrode, and electrode high rate performance and cyclical stability all reduce (Fig. 2's
(c))；And initial carbon positive ((a) of Fig. 2) is first handled through electrochemistry pre-coated process of the present invention, surface coats protective film (Fig. 2
(b)), then recycled, due to the presence of protective film, electrode structure is stablized, high rate performance and the excellent (Fig. 2 of cyclical stability
(d)).
Embodiment 1
Using Graphene electrodes as working electrode, (80% graphene, 10% binder, 10% conductive additive mixing are equal
Stainless (steel) wire collector is coated after even), lithium piece is used as to electrode and reference electrode, while using the oxalic acid boron difluoride of 0.5wt%
Sour lithium is used as electrolyte to stone as the esters electrolyte (1M lithium hexafluoro phosphate/ethylene carbonate+dimethyl carbonate) of additive
Black alkene electrode carries out the processing of electrochemistry pre-coated process.Obtained graphene anode is named as A-G-0.5.Specific schematic diagram is such as
Shown in Fig. 1: carrying out the constant-current discharge of low current to 1.1V to Graphene electrodes.LiODFB is in 1.7V vs.Li/Li+
Decompose can Graphene electrodes surface formed uniform fold, thin layer protective film.Show that the electrochemistry is pre- in (a) of Fig. 3
The corresponding constant-current discharge curve of cladding process treatment process.1.7V vs.Li/Li+Land regions correspond to electrochemistry pre-coated
The zone of action of process.(b) of Fig. 3 is performance of lithium ion battery test.Relative to Graphene electrodes (G), the A- of pre-coated
G-0.5 shows more excellent high rate performance and higher specific capacity for lithium ion cell positive.Simultaneously relative to graphite
400 cyclical stabilities of alkene electrode (G), A-G-0.5 have obtained certain raising, are increased to 54.7% from 48.8%.
Embodiment 2
Using Graphene electrodes as working electrode, (80% graphene, 10% binder, 10% conductive additive mixing are equal
Stainless (steel) wire collector is coated after even), lithium piece is used as to electrode and reference electrode, while using the oxalic acid difluoro boric acid of 1wt%
Lithium is used as electrolyte to graphite as the esters electrolyte (1M lithium hexafluoro phosphate/ethylene carbonate+dimethyl carbonate) of additive
Alkene electrode carries out the processing of electrochemistry pre-coated process.Obtained graphene anode is named as A-G-1.Specific schematic diagram such as Fig. 1
It is shown: the constant-current discharge of low current is carried out to 1.1V to Graphene electrodes.LiODFB is in 1.7V vs.Li/Li+'s
The protective film of uniform fold, thin layer can be formed on Graphene electrodes surface by decomposing.Show that the electrochemistry is wrapped in advance in (a) of Fig. 3
Cover the corresponding constant-current discharge curve of process treatment process.1.7V vs.Li/Li+Land regions correspond to electrochemistry pre-coated mistake
The zone of action of journey.(b) of Fig. 3 is performance of lithium ion battery test.Relative to Graphene electrodes (G), the A-G-1 of pre-coated
More excellent high rate performance and higher specific capacity are shown for lithium ion cell positive.Simultaneously relative to Graphene electrodes
(G), 400 cyclical stabilities of A-G-1 have obtained certain raising, are increased to 73.7% from 48.8%.
Embodiment 3
Using Graphene electrodes as working electrode, (80% graphene, 10% binder, 10% conductive additive mixing are equal
Stainless (steel) wire collector is coated after even), lithium piece is used as to electrode and reference electrode, while using the oxalic acid difluoro boric acid of 2wt%
Lithium is used as electrolyte to graphite as the esters electrolyte (1M lithium hexafluoro phosphate/ethylene carbonate+dimethyl carbonate) of additive
Alkene electrode carries out the processing of electrochemistry pre-coated process.Obtained graphene anode is named as A-G-2.Specific schematic diagram such as Fig. 1
It is shown: the constant-current discharge of low current is carried out to 1.1V to Graphene electrodes.LiODFB is in 1.7V vs.Li/Li+'s
The protective film of uniform fold, thin layer can be formed on Graphene electrodes surface by decomposing.Show that the electrochemistry is wrapped in advance in (a) of Fig. 3
Cover the corresponding constant-current discharge curve of process treatment process.1.7V vs.Li/Li+Land regions correspond to electrochemistry pre-coated mistake
The zone of action of journey.(b) of Fig. 3 is performance of lithium ion battery test.Relative to Graphene electrodes (G), the A-G-2 of pre-coated
More excellent high rate performance and higher specific capacity are shown for lithium ion cell positive.Simultaneously relative to Graphene electrodes
(G), 400 cyclical stabilities of A-G-2 have obtained certain raising, are increased to 98.3% from 48.8%.
Embodiment 4
Using Graphene electrodes as working electrode, (80% graphene, 10% binder, 10% conductive additive mixing are equal
Stainless (steel) wire collector is coated after even), lithium piece is used as to electrode and reference electrode, while using the oxalic acid difluoro boric acid of 5wt%
Lithium is used as electrolyte to graphite as the esters electrolyte (1M lithium hexafluoro phosphate/ethylene carbonate+dimethyl carbonate) of additive
Alkene electrode carries out the processing of electrochemistry pre-coated process.Obtained graphene anode is named as A-G-5.Specific schematic diagram such as Fig. 1
It is shown: the constant-current discharge of low current is carried out to 1.1V to Graphene electrodes.LiODFB is in 1.7V vs.Li/Li+'s
The protective film of uniform fold, thin layer can be formed on Graphene electrodes surface by decomposing.Show that the electrochemistry is wrapped in advance in (a) of Fig. 3
Cover the corresponding constant-current discharge curve of process treatment process.1.7V vs.Li/Li+Land regions correspond to electrochemistry pre-coated mistake
The zone of action of journey.(b) of Fig. 3 is performance of lithium ion battery test.Relative to Graphene electrodes (G), the A-G-5 of pre-coated
More excellent high rate performance and higher specific capacity are shown for lithium ion cell positive.Simultaneously relative to Graphene electrodes
(G), 400 cyclical stabilities of A-G-5 have obtained certain raising, are increased to 76.6% from 48.8%.
Embodiment 5
Electrochemistry pre-coated process processing Graphene electrodes (A-G-2) shows device for lithium-ion capacitor anode
Excellent high-energy density (160Wh/kg) and high power density (20kW/kg) out.Significantly greater than with graphene positive (G)
Lithium-ion capacitor.Simultaneously it is also one of the top performance reported at present, there is great application prospect.As (a) of Fig. 4 is
The high rate performance comparison of two kinds of lithium-ion capacitors；(b) of Fig. 4 is two kinds of lithium-ion capacitors, 1000 cyclical stabilities pair
Than.
Moreover, showing pole using the lithium-ion capacitor of electrochemistry pre-coated process processing graphene positive (A-G-2)
Good cyclical stability, every loop attenuation amount is only 0.011%.It is equally steady in the high-performance lithium ion capacitor reported at present
It is qualitative highest.As shown in Figure 5.
Claims (6)
1. a kind of with high-energy, high magnification and the carbon of long-life anode, it is characterised in that: the high-energy, high magnification and length
The preparation process of the carbon electrode in service life includes the following steps:
(1) assembling of carbon electrode: using carbon electrode as working electrode, lithium piece is used as to electrode and reference electrode, carbon electrode, lithium piece
It is assembled into sandwich structure with diaphragm, while the electrolyte comprising additive is added, the content of additive is in the electrolyte
0.01~10wt.%；
(2) the electrochemistry pre-coated processing of carbon electrode: to the carbon electrode after step (1) assembling in positive section 4.5V-0.8V
Constant-current discharge is carried out, after discharge time 5min~50h, that is, obtains the high-energy, high magnification and the carbon electrode of long-life；
During constant-current discharge, the additive in electrolyte is decomposed in current potential 0.8-4.5V, and is formed in carbon electrodes
The thin-layered protective film of uniform fold realizes the protection to carbon electrode；It is organic poly- in the thin-layered protective film that carbon electrodes are formed
Object is closed, with a thickness of 0.5nm-100nm；
In the electrolyte comprising additive, the additive is LiODFB, dioxalic acid lithium borate, carbonic acid third
Alkene, tetrachloro-ethylene, propene sulfonic acid methyl esters, carbonic acid first alkynes, Allyl methyl carbonate, allyl methyl sulfonic acid, ethylene carbonate,
Fluorinated ethylene carbonate, sulfurous acid butylene, butane sultone, the third sultone, phenyl Cyclic Sulfate, 4- methyl-1,3,2- bis- are disliked
One or more of azoles thiophene -2,2- dioxide and 4- ethyl -1,3,2- dioxazole thiophene -2,2- dioxide；
In the electrolyte comprising additive, electrolyte is organic electrolyte or various ionic liquids；The organic electrolyte
Refer to that perchlorate, tetrafluoroborate, double trifluoromethanesulfonimide lithiums, hexafluorophosphate or trifluoromethyl sulfonic acid are dissolved in
The solution formed in organic solvent, the organic solvent are in carbonates, ethers, sulfone class, phosphate base solvent and nitrile
It is one or more of, in which: carbonates are propylene carbonate, ethylene carbonate, propene carbonate, methyl ethyl carbonate, carbonic acid first
One or more of propyl ester, dimethyl carbonate and diethyl carbonate, ethers are 1,3-dioxolane or glycol dimethyl ether, sulfone
Class be ethylmethane sulfonate or sulfolane, phosphate base solvent be dimethyl methyl phosphonate, nitrile be acetonitrile, malononitrile and oneself two
One or more of nitrile.
2. according to claim 1 have high-energy, high magnification and the carbon of long-life anode, it is characterised in that: step (1)
In, the sandwich structure refers to that carbon electrode, diaphragm and lithium piece are arranged successively assembling and are formed by structure.
3. according to claim 1 have high-energy, high magnification and the carbon of long-life anode, it is characterised in that: the carbon
Active electrode material is active carbon, templated porous charcoal, carbon aerosol, carbon nanotube, graphene, cracking charcoal, graphite, gathers in anode
Pyrroles, polythiophene, polyaniline, the poly- composite material to one or more of benzene and polyacene.
4. according to claim 1 or 3 have high-energy, high magnification and the carbon of long-life anode, it is characterised in that: step
(1) in, the manufacture craft of the carbon anode before assembling are as follows: by active electrode material, binder and conductive agent carry out ingredient, coating,
Tabletting and slice obtain.
5. a kind of application as described in claim 1 with high-energy, high magnification and the carbon of long-life anode, feature exist
In: this have high-energy, high magnification and the carbon of long-life anode be applied to alkali metal-ion battery, alkaline-earth metal ions battery,
Alkali metal ion capacitor or alkaline-earth metal ions capacitor are followed as anode, to obtain and have both high-energy, high power and length
The electrochemical energy storage part in ring service life.
6. the application according to claim 5 with high-energy, high magnification and the carbon of long-life anode, it is characterised in that:
The application method with high-energy, high magnification and the carbon of long-life anode are as follows: will be with high-energy, high magnification and long-life
Carbon anode, diaphragm and cathode successively carry out lamination assembling, are packaged after electrolyte injection；By aging, degassing and secondary
Encapsulation obtains the energy storage device with high-energy, high power and long circulation life.
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| CN104058395A (en) * | 2014-07-11 | 2014-09-24 | 武汉理工大学 | Method for preparing graphene by carrying out ultrasonic treatment on lithium intercalated graphite |
| CN104201000A (en) * | 2014-08-21 | 2014-12-10 | 清华大学 | High-power lithium ion capacitor and manufacturing method thereof |
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| CN104058395A (en) * | 2014-07-11 | 2014-09-24 | 武汉理工大学 | Method for preparing graphene by carrying out ultrasonic treatment on lithium intercalated graphite |
| CN104201000A (en) * | 2014-08-21 | 2014-12-10 | 清华大学 | High-power lithium ion capacitor and manufacturing method thereof |
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