JP6371331B2 - 電気化学素子用電極及びこれを備えた電気化学素子 - Google Patents
電気化学素子用電極及びこれを備えた電気化学素子 Download PDFInfo
- Publication number
- JP6371331B2 JP6371331B2 JP2016100438A JP2016100438A JP6371331B2 JP 6371331 B2 JP6371331 B2 JP 6371331B2 JP 2016100438 A JP2016100438 A JP 2016100438A JP 2016100438 A JP2016100438 A JP 2016100438A JP 6371331 B2 JP6371331 B2 JP 6371331B2
- Authority
- JP
- Japan
- Prior art keywords
- active material
- electrode
- electrode active
- inorganic particles
- layer
- 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.)
- Active
Links
- 239000007772 electrode material Substances 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 38
- 239000010954 inorganic particle Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 22
- 229920005596 polymer binder Polymers 0.000 claims description 20
- 239000002491 polymer binding agent Substances 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 14
- -1 BaTiO 3 Inorganic materials 0.000 claims description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 229910052729 chemical element Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 92
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 15
- 239000004373 Pullulan Substances 0.000 description 15
- 229920001218 Pullulan Polymers 0.000 description 15
- 235000019423 pullulan Nutrition 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 description 13
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- KXJGSNRAQWDDJT-UHFFFAOYSA-N 1-acetyl-5-bromo-2h-indol-3-one Chemical compound BrC1=CC=C2N(C(=O)C)CC(=O)C2=C1 KXJGSNRAQWDDJT-UHFFFAOYSA-N 0.000 description 9
- 229920002301 cellulose acetate Polymers 0.000 description 9
- XCKPLVGWGCWOMD-YYEYMFTQSA-N 3-[[(2r,3r,4s,5r,6r)-6-[(2s,3s,4r,5r)-3,4-bis(2-cyanoethoxy)-2,5-bis(2-cyanoethoxymethyl)oxolan-2-yl]oxy-3,4,5-tris(2-cyanoethoxy)oxan-2-yl]methoxy]propanenitrile Chemical compound N#CCCO[C@H]1[C@H](OCCC#N)[C@@H](COCCC#N)O[C@@]1(COCCC#N)O[C@@H]1[C@H](OCCC#N)[C@@H](OCCC#N)[C@H](OCCC#N)[C@@H](COCCC#N)O1 XCKPLVGWGCWOMD-YYEYMFTQSA-N 0.000 description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 8
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 239000007773 negative electrode material Substances 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- 239000007774 positive electrode material Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- 239000010936 titanium Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 7
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 7
- 239000011149 active material Substances 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 description 5
- 150000003384 small molecules Chemical class 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910006404 SnO 2 Inorganic materials 0.000 description 4
- 239000003125 aqueous solvent Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000012454 non-polar solvent Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002798 polar solvent Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 229920001230 polyarylate Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 229920000131 polyvinylidene Polymers 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 229920002689 polyvinyl acetate Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910000925 Cd alloy Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 229910013210 LiNiMnCoO Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910017008 AsF 6 Inorganic materials 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- SMBGWMJTOOLQHN-UHFFFAOYSA-N lead;sulfuric acid Chemical compound [Pb].OS(O)(=O)=O SMBGWMJTOOLQHN-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
-
- 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
-
- 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
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Inert Electrodes (AREA)
- Cell Separators (AREA)
Description
実施例1.電極の製造
負極活物質として黒鉛を使用して水系負極活物質スラリーを製造した。そして、第1高分子バインダーとしてスチレン‐ブタジエンゴム(SBR)とカルボキシメチルセルロース(CMC)とを2:1で混合して水に溶解させた後、第1無機物粒子として酸化チタン(TiO2)を分散させることで、充填層用スラリーを用意した。また、第2無機物粒子としてアルミナ(Al2O3)とチタン酸バリウム(BaTiO3)とを8:2で混合し、この混合物を第2高分子バインダーとしてスチレン‐ブタジエンゴム(SBR)とカルボキシメチルセルロース(CMC)とを2:1で混合して水に溶かした水溶液に分散させることで、分離層用スラリーを用意した。
正極活物質としてLiCoO2をN‐メチル‐2‐ピロリドン(NMP)に分散させることで、正極活物質スラリーを製造した。そして、第1無機物粒子としてのアルミナ(Al2O3)と高分子バインダーとしてのポリビニリデンフルオライド(PVdF)をN‐メチル‐2‐ピロリドン(NMP)に溶解させた溶液とを使用して充填層用スラリーを用意した。また、第2無機物粒子としてアルミナ(Al2O3)とチタン酸バリウム(BaTiO3)とを8:2で混合し、第2高分子バインダーとしてポリビニリデンフルオライド‐ヘキサフルオロプロピレン(PVdF‐HFP)とシアノエチルポリビニルアルコールとを9:1で混合してアセトンに溶かした溶液を使用して分離層用スラリーを用意した。
Claims (2)
- 電気化学素子用電極組立体であって、
二つ以上の電気化学素子用電極を備えてなり、
前記電気化学素子用電極組立体における互いに対面する二つの電極が、各々の電極に形成された二つの分離層によって絶縁されてなり、
前記電気化学素子用電極が、
電極集電体と、
前記電極集電体における一面又は両面の少なくとも一部分に形成された、電極活物質を含む電極活物質層と、
前記電極活物質層が形成されていない前記電極集電体における一面又は両面の非形成部に形成され、前記電極活物質層と連続するようにコーティングされた、第1無機物粒子と第1高分子バインダーとの混合物を含む充填層と、及び
前記電極活物質層と前記充填層との表面に同時に形成され、第2無機物粒子と第2高分子バインダーとの混合物を含む分離層とを備えてなり、
前記充填層が、前記電極活物質層と同じ高さで形成されてなり、
前記第1無機物粒子が、Al 2 O 3 、BaTiO 3 、TiO 2 、CeO 2 、SiO 2 、ZrO 2 、及びCuOの群から選択される一種又は二種以上の混合物であり、
前記第2無機物粒子が、Al 2 O 3 、BaTiO 3 、TiO 2 、CeO 2 、SiO 2 、ZrO 2 、及びCuOからなる群から選択される一種又は二種以上の混合物であり、
前記第1無機物粒子の組成と、前記第2無機物粒子の組成とが完全に一致しないものであることを特徴とする、電極組立体。 - 電気化学素子用電極の製造方法であって、
前記電気化学素子用電極が、
電極集電体と、
前記電極集電体における一面又は両面の少なくとも一部分に形成された、電極活物質を含む電極活物質層と、
前記電極活物質層が形成されていない前記電極集電体における一面又は両面の非形成部に形成され、前記電極活物質層と連続するようにコーティングされた、第1無機物粒子と第1高分子バインダーとの混合物を含む充填層と、及び
前記電極活物質層と前記充填層との表面に同時に形成され、第2無機物粒子と第2高分子バインダーとの混合物を含む分離層とを備えてなり、
前記充填層が、前記電極活物質層と同じ高さで形成されてなり、
前記第1無機物粒子が、Al 2 O 3 、BaTiO 3 、TiO 2 、CeO 2 、SiO 2 、ZrO 2 、及びCuOの群から選択される一種又は二種以上の混合物であり、
前記第2無機物粒子が、Al 2 O 3 、BaTiO 3 、TiO 2 、CeO 2 、SiO 2 、ZrO 2 、及びCuOからなる群から選択される一種又は二種以上の混合物であり、
前記第1無機物粒子の組成と、前記第2無機物粒子の組成とが完全に一致しないものであり、
電極集電体を用意する段階と、
電極活物質スラリー及び充填層用スラリーを用意する段階と、
前記集電体の中心部に前記電極活物質スラリーを塗布し、かつ、前記集電体の角部分に前記充填層用スラリーを塗布し、
前記電極活物質スラリー及び前記充填層用スラリーを乾燥する段階と、
分離層用スラリーを用意する段階と、
前記乾燥した電極活物質層及び前記乾燥した充填層の表面に、前記分離層用スラリーを塗布し乾燥し、分離層を形成する段階とを含んでなる、電気化学素子用電極の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110134490A KR101378074B1 (ko) | 2011-12-14 | 2011-12-14 | 전기화학소자용 전극 및 이를 구비한 전기화학소자 |
KR10-2011-0134490 | 2011-12-14 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014542257A Division JP6329905B2 (ja) | 2011-12-14 | 2012-12-12 | 電気化学素子用電極及びこれを備えた電気化学素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016219418A JP2016219418A (ja) | 2016-12-22 |
JP6371331B2 true JP6371331B2 (ja) | 2018-08-08 |
Family
ID=48612811
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014542257A Active JP6329905B2 (ja) | 2011-12-14 | 2012-12-12 | 電気化学素子用電極及びこれを備えた電気化学素子 |
JP2016100438A Active JP6371331B2 (ja) | 2011-12-14 | 2016-05-19 | 電気化学素子用電極及びこれを備えた電気化学素子 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014542257A Active JP6329905B2 (ja) | 2011-12-14 | 2012-12-12 | 電気化学素子用電極及びこれを備えた電気化学素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9741986B2 (ja) |
EP (1) | EP2793299B1 (ja) |
JP (2) | JP6329905B2 (ja) |
KR (1) | KR101378074B1 (ja) |
CN (1) | CN103988341A (ja) |
PL (1) | PL2793299T3 (ja) |
WO (1) | WO2013089428A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101378074B1 (ko) | 2011-12-14 | 2014-03-28 | 주식회사 엘지화학 | 전기화학소자용 전극 및 이를 구비한 전기화학소자 |
WO2015076573A1 (ko) * | 2013-11-21 | 2015-05-28 | 삼성에스디아이 주식회사 | 이차 전지 |
KR20150106811A (ko) | 2013-11-21 | 2015-09-22 | 삼성에스디아이 주식회사 | 분리막 및 이를 이용한 이차 전지 |
US9099740B1 (en) * | 2014-10-24 | 2015-08-04 | Alveo Energy, Inc. | Homometallic cyanide-containing inorganic polymers and related compounds |
JP6519571B2 (ja) * | 2016-11-25 | 2019-05-29 | トヨタ自動車株式会社 | リチウムイオン二次電池およびその製造方法 |
JP6702903B2 (ja) * | 2017-03-06 | 2020-06-03 | 株式会社東芝 | 二次電池 |
KR102434067B1 (ko) * | 2017-09-08 | 2022-08-22 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극, 및 이를 포함하는 리튬 이차전지 |
KR102220531B1 (ko) | 2018-04-23 | 2021-02-24 | 삼성에스디아이 주식회사 | 전극 형성용 조성물 및 이로부터 제조된 전극과 태양전지 |
CN109273668B (zh) * | 2018-09-27 | 2021-04-06 | 宁德新能源科技有限公司 | 负极极片及包含其的电化学装置 |
CN110021753B (zh) * | 2019-02-12 | 2022-07-05 | 合肥国轩高科动力能源有限公司 | 一种高粘结强度负极浆料及其制备方法 |
WO2024019564A1 (ko) * | 2022-07-21 | 2024-01-25 | 주식회사 엘지에너지솔루션 | 전극 조립체 및 이를 포함하는 리튬 이차 전지 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0620707A (ja) * | 1992-07-02 | 1994-01-28 | Hitachi Maxell Ltd | 渦巻形リチウム電池 |
EP1018775B1 (en) * | 1997-02-28 | 2007-01-03 | Asahi Kasei EMD Corporation | Nonaqueous secondary battery and method for manufacturing the same |
JP4177612B2 (ja) * | 2002-07-30 | 2008-11-05 | 株式会社東芝 | リチウムイオン二次電池 |
JP2005019241A (ja) | 2003-06-26 | 2005-01-20 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池の製造方法 |
JP4972862B2 (ja) | 2005-01-25 | 2012-07-11 | 日産自動車株式会社 | 電池用電極の製造方法 |
JP4839111B2 (ja) * | 2005-04-04 | 2011-12-21 | パナソニック株式会社 | リチウム二次電池 |
JP5135822B2 (ja) | 2006-02-21 | 2013-02-06 | 日産自動車株式会社 | リチウムイオン二次電池およびこれを用いた組電池 |
KR100876268B1 (ko) * | 2007-10-09 | 2008-12-26 | 삼성에스디아이 주식회사 | 리튬 이차전지 |
KR20090103010A (ko) * | 2008-03-27 | 2009-10-01 | 삼성에스디아이 주식회사 | 전극조립체 및 이를 구비하는 리튬 이차 전지 |
CN101604767A (zh) * | 2008-06-13 | 2009-12-16 | 三星Sdi株式会社 | 电极组件及包括该电极组件的二次电池 |
US8518577B2 (en) * | 2008-06-13 | 2013-08-27 | Samsung Sdi Co., Ltd. | Electrode assembly and secondary battery having the same |
JP2010102868A (ja) * | 2008-10-22 | 2010-05-06 | Toyota Motor Corp | リチウム二次電池 |
EP2378595B1 (en) | 2008-12-19 | 2015-03-25 | LG Chem, Ltd. | High-power lithium secondary battery |
JP5189048B2 (ja) * | 2009-08-07 | 2013-04-24 | 旭化成イーマテリアルズ株式会社 | 捲回体 |
KR20110064689A (ko) * | 2009-12-08 | 2011-06-15 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
JP2011146219A (ja) * | 2010-01-14 | 2011-07-28 | Panasonic Corp | 非水系二次電池用電極群およびこれを用いた非水系二次電池 |
KR101378074B1 (ko) | 2011-12-14 | 2014-03-28 | 주식회사 엘지화학 | 전기화학소자용 전극 및 이를 구비한 전기화학소자 |
-
2011
- 2011-12-14 KR KR1020110134490A patent/KR101378074B1/ko active IP Right Grant
-
2012
- 2012-12-12 WO PCT/KR2012/010791 patent/WO2013089428A1/ko active Application Filing
- 2012-12-12 EP EP12856903.5A patent/EP2793299B1/en active Active
- 2012-12-12 JP JP2014542257A patent/JP6329905B2/ja active Active
- 2012-12-12 CN CN201280059585.3A patent/CN103988341A/zh active Pending
- 2012-12-12 PL PL12856903T patent/PL2793299T3/pl unknown
-
2014
- 2014-05-23 US US14/285,849 patent/US9741986B2/en active Active
-
2016
- 2016-05-19 JP JP2016100438A patent/JP6371331B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2793299B1 (en) | 2018-09-12 |
WO2013089428A8 (ko) | 2014-03-27 |
WO2013089428A1 (ko) | 2013-06-20 |
EP2793299A4 (en) | 2015-09-02 |
EP2793299A1 (en) | 2014-10-22 |
US20140255751A1 (en) | 2014-09-11 |
JP2014534600A (ja) | 2014-12-18 |
CN103988341A (zh) | 2014-08-13 |
JP6329905B2 (ja) | 2018-05-23 |
US9741986B2 (en) | 2017-08-22 |
PL2793299T3 (pl) | 2019-05-31 |
JP2016219418A (ja) | 2016-12-22 |
KR20130067684A (ko) | 2013-06-25 |
KR101378074B1 (ko) | 2014-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6371331B2 (ja) | 電気化学素子用電極及びこれを備えた電気化学素子 | |
JP6298028B2 (ja) | 多孔性コーティング層を備えたセパレータ及びこれを備えた電気化学素子 | |
JP6390037B2 (ja) | 電極組立体及びそれを含むリチウム二次電池 | |
JP6141859B2 (ja) | 安全性と安定性が向上したリチウム二次電池 | |
CA2555747C (en) | Organic/inorganic composite porous layer-coated electrode and electrochemical device comprising the same | |
JP5795646B2 (ja) | セパレータ及びそれを備える電気化学素子 | |
KR101703957B1 (ko) | 유기-무기 복합 다공성 막, 이를 포함하는 세퍼레이터 및 전극 구조체 | |
JP5568023B2 (ja) | 非水電解液電池 | |
CN110875452B (zh) | 用于可再充电锂电池的隔板和包含其的可再充电锂电池 | |
EP2485297B1 (en) | Separator for lithium secondary battery and lithium secondary battery including the same | |
JP2010015917A (ja) | 電池用セパレータおよび非水電解液電池 | |
JP2010225539A (ja) | リチウムイオン二次電池用電極及びリチウムイオン二次電池 | |
KR20160134808A (ko) | 비수 전해액 이차 전지 | |
JP5464766B2 (ja) | 電池用セパレータおよび非水電解液電池 | |
KR20180123188A (ko) | 전기 디바이스 | |
JP2018506161A (ja) | セルロース系多層分離膜 | |
JP5804712B2 (ja) | 非水電解質二次電池 | |
JP2012155914A (ja) | 電気化学素子用セパレータおよび電気化学素子 | |
JP7358620B2 (ja) | 耐熱層を含む電気化学素子用分離膜及びそれを含む二次電池 | |
JP6315281B2 (ja) | 非水電解質二次電池 | |
KR101507499B1 (ko) | 이차전지용 전극조립체 | |
JP6072595B2 (ja) | 非水二次電池 | |
WO2016147409A1 (ja) | リチウムイオン二次電池の製造方法 | |
JP3984008B2 (ja) | 電気化学デバイスの製造方法 | |
JP2024525013A (ja) | リチウム二次電池用電極、およびこれを含むリチウム二次電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170606 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170906 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180306 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180604 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180703 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180712 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6371331 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |