JP2017050113A - フッ化物イオン電池 - Google Patents
フッ化物イオン電池 Download PDFInfo
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- JP2017050113A JP2017050113A JP2015171343A JP2015171343A JP2017050113A JP 2017050113 A JP2017050113 A JP 2017050113A JP 2015171343 A JP2015171343 A JP 2015171343A JP 2015171343 A JP2015171343 A JP 2015171343A JP 2017050113 A JP2017050113 A JP 2017050113A
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- active material
- electrode active
- negative electrode
- ion battery
- positive electrode
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- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 31
- 239000007773 negative electrode material Substances 0.000 claims abstract description 50
- 239000007774 positive electrode material Substances 0.000 claims abstract description 34
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 27
- 239000000956 alloy Substances 0.000 claims abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 26
- 239000008151 electrolyte solution Substances 0.000 description 18
- 230000003647 oxidation Effects 0.000 description 16
- 238000007254 oxidation reaction Methods 0.000 description 16
- 238000006115 defluorination reaction Methods 0.000 description 14
- 150000004673 fluoride salts Chemical class 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 238000002484 cyclic voltammetry Methods 0.000 description 10
- -1 fluoride ions Chemical class 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000003682 fluorination reaction Methods 0.000 description 8
- 239000000155 melt Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 150000001450 anions Chemical class 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 150000002222 fluorine compounds Chemical class 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052684 Cerium Inorganic materials 0.000 description 4
- 239000006230 acetylene black Substances 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 239000010405 anode material Substances 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 125000005210 alkyl ammonium group Chemical group 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 150000001768 cations Chemical group 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910001506 inorganic fluoride Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 238000007578 melt-quenching technique Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- 229940124530 sulfonamide Drugs 0.000 description 3
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- DSMUTQTWFHVVGQ-UHFFFAOYSA-N 4,5-difluoro-1,3-dioxolan-2-one Chemical compound FC1OC(=O)OC1F DSMUTQTWFHVVGQ-UHFFFAOYSA-N 0.000 description 2
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910052701 rubidium Inorganic materials 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 2
- JRRDISHSXWGFRF-UHFFFAOYSA-N 1-[2-(2-ethoxyethoxy)ethoxy]-2-methoxyethane Chemical compound CCOCCOCCOCCOC JRRDISHSXWGFRF-UHFFFAOYSA-N 0.000 description 1
- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical compound CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 description 1
- CNJRPYFBORAQAU-UHFFFAOYSA-N 1-ethoxy-2-(2-methoxyethoxy)ethane Chemical compound CCOCCOCCOC CNJRPYFBORAQAU-UHFFFAOYSA-N 0.000 description 1
- CRWNQZTZTZWPOF-UHFFFAOYSA-N 2-methyl-4-phenylpyridine Chemical compound C1=NC(C)=CC(C=2C=CC=CC=2)=C1 CRWNQZTZTZWPOF-UHFFFAOYSA-N 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- HYGWNUKOUCZBND-UHFFFAOYSA-N azanide Chemical group [NH2-] HYGWNUKOUCZBND-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000006138 lithiation reaction Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- KBLZDCFTQSIIOH-UHFFFAOYSA-M tetrabutylazanium;perchlorate Chemical compound [O-]Cl(=O)(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC KBLZDCFTQSIIOH-UHFFFAOYSA-M 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
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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
- H01M4/134—Electrodes based on metals, Si or alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C11/00—Alloys based on lead
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
-
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
-
- 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
- H01M4/0483—Processes of manufacture in general by methods including the handling of a melt
- H01M4/0488—Alloying
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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
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/46—Alloys based on magnesium or aluminium
- H01M4/463—Aluminium based
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
- H01M4/623—Binders being polymers fluorinated polymers
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- 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
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- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
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- 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
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Abstract
【解決手段】本発明においては、正極活物質を含有する正極活物質層と、負極活物質を含有する負極活物質層と、上記正極活物質層および上記負極活物質層の間に形成された電解質層とを有するフッ化物イオン電池であって、上記負極活物質が、Ce元素およびPb元素を少なくとも含有する合金であることを特徴とするフッ化物イオン電池を提供することにより、上記課題を解決する。
【選択図】図1
Description
以下、本発明のフッ化物イオン電池について、構成ごとに説明する。
本発明における負極活物質層は、少なくとも負極活物質を含有する層である。また、負極活物質層は、負極活物質の他に、導電化材および結着材の少なくとも一方をさらに含有していても良い。
本発明における正極活物質層は、少なくとも正極活物質を含有する層である。また、正極活物質層は、正極活物質の他に、導電化材および結着材の少なくとも一方をさらに含有していても良い。
本発明における電解質層は、正極活物質層および負極活物質層の間に形成される層である。電解質層を構成する電解質は、液体電解質(電解液)であっても良く、固体電解質であっても良い。
本発明のフッ化物イオン電池は、上述した負極活物質層、正極活物質層および電解質層を少なくとも有するものである。さらに通常は、正極活物質層の集電を行う正極集電体、および、負極活物質層の集電を行う負極集電体を有する。集電体の形状としては、例えば、箔状、メッシュ状、多孔質状等を挙げることができる。また、本発明のフッ化物イオン電池は、正極活物質層および負極活物質層の間に、セパレータを有していても良い。より安全性の高い電池を得ることができるからである。
本発明のフッ化物イオン電池は、一次電池であっても良く、二次電池であっても良いが、中でも、二次電池であることが好ましい。繰り返し充放電でき、例えば車載用電池として有用だからである。なお、一次電池には、二次電池の一次電池的使用(充電後、一度の放電だけを目的とした使用)も含まれる。また、本発明のフッ化物イオン電池の形状としては、例えば、コイン型、ラミネート型、円筒型および角型等を挙げることができる。
溶融急冷法により作製したCePb合金リボン(Ce:Pb=1:1の重量比、高純度化学社製)を測定試料とした。一方、テトラグライム(G4、キシダ化学社製)に、リチウムビスフルオロスルホニルアミド(Li−FSA、キシダ化学社製)およびフッ化セシウム(CsF、関東化学社製)を、それぞれ4.5M、0.45Mとなるように混合し、フッ素樹脂製の密封容器内にて30℃の条件で撹拌することにより、電解液を得た。このようにして、測定試料および電解液を用意した。
測定試料として、溶融急冷法により作製したAlCePb合金リボン(Al:Ce:Pb=96:4:5の重量比)を用いたこと以外は、実施例1と同様にして、測定試料および電解液を用意した。
測定試料として、溶融急冷法により作製したAlCePb合金リボン(Al:Ce:Pb=96:4:10の重量比)を用いたこと以外は、実施例1と同様にして、測定試料および電解液を用意した。
トリグライム(G3、関東化学社製)に、リチウムビスフルオロスルホニルアミド(Li−FSA、キシダ化学社製)およびフッ化リチウム(LiF、高純度化学社製)を、それぞれ5.5M、2.75Mとなるように混合し、フッ素樹脂製の密封容器内にて30℃の条件で撹拌することにより、電解液を得た。この電解液を用いたこと以外は、実施例3と同様にして、測定試料および電解液を用意した。
測定試料として、Ce箔(純度99.9%、レアメタリック社製)を用いたこと以外は、実施例1と同様にして、測定試料および電解液を用意した。
測定試料として、溶融急冷法により作製したAlCe合金リボン(Al:Ce=96:4の重量比)を用いたこと以外は、実施例1と同様にして、測定試料および電解液を用意した。
測定試料として、Pb板(純度99.99%、ニラコ社製)を用いたこと以外は、実施例1と同様にして、測定試料および電解液を用意した。
測定試料として、溶融急冷法により作製したPbAl合金リボン(Pb:Al=7:3の重量比)を用いたこと以外は、実施例1と同様にして、測定試料および電解液を用意した。
(サイクリックボルタンメトリ測定)
実施例1〜4および比較例1〜4の測定試料に対して、各々の電解液中でCV測定を行った。具体的には、Ar雰囲気下グローブボックス内で、ディップ式3電極セルを用いて評価した。作用極には測定試料を、対極には、PTFE、アセチレンブラック(AB)、フッ化カーボンの合材電極を用いた。なお、合材電極は、PTFE:AB:フッ化カーボン=1:2:7の重量比で含有する電極である。また、基準極は、バイコールガラスを用いて電解液と隔離した。なお、基準極には、硝酸銀およびテトラブチルアンモニウムパークロレートがそれぞれ0.1Mで溶解したアセトニトリル溶液にAg線を浸漬させたものを用いた。また、測定は、室温、掃引速度1mV/sの条件で実施した。その結果を図2〜図5に示す。なお、横軸の電位は、標準水素電極(Standard hydrogen electrode、SHE)基準の電位である。
2 … 負極活物質層
3 … 電解質層
4 … 正極集電体
5 … 負極集電体
6 … 電池ケース
10 … フッ化物イオン電池
Claims (2)
- 正極活物質を含有する正極活物質層と、負極活物質を含有する負極活物質層と、前記正極活物質層および前記負極活物質層の間に形成された電解質層とを有するフッ化物イオン電池であって、
前記負極活物質が、Ce元素およびPb元素を少なくとも含有する合金であることを特徴とするフッ化物イオン電池。 - 前記負極活物質が、Al元素をさらに含有することを特徴とする請求項1に記載のフッ化物イオン電池。
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JP2020170656A (ja) * | 2019-04-04 | 2020-10-15 | トヨタ自動車株式会社 | 電解液およびフッ化物イオン電池 |
JPWO2021070298A1 (ja) * | 2019-10-09 | 2021-04-15 | ||
JPWO2021070299A1 (ja) * | 2019-10-09 | 2021-04-15 |
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BR112020004137A2 (pt) * | 2017-09-01 | 2020-10-06 | Ambercon Technology (Uk) Ltd | método para fabricação de um material de nanopartícula e uma bateria de íon fluoreto |
JP6852653B2 (ja) | 2017-11-07 | 2021-03-31 | トヨタ自動車株式会社 | 正極活物質およびフッ化物イオン電池 |
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