JP6872090B2 - リチウム−硫黄二次電池の陽極用アクリルバインダーおよびその用途 - Google Patents
リチウム−硫黄二次電池の陽極用アクリルバインダーおよびその用途 Download PDFInfo
- Publication number
- JP6872090B2 JP6872090B2 JP2019516129A JP2019516129A JP6872090B2 JP 6872090 B2 JP6872090 B2 JP 6872090B2 JP 2019516129 A JP2019516129 A JP 2019516129A JP 2019516129 A JP2019516129 A JP 2019516129A JP 6872090 B2 JP6872090 B2 JP 6872090B2
- Authority
- JP
- Japan
- Prior art keywords
- anode
- lithium
- secondary battery
- sulfur secondary
- weight
- 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
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims description 59
- 229920005822 acrylic binder Polymers 0.000 title claims description 47
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 38
- 239000000178 monomer Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 36
- 125000000524 functional group Chemical group 0.000 claims description 24
- 239000004020 conductor Substances 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 17
- 238000006116 polymerization reaction Methods 0.000 claims description 17
- 239000006183 anode active material Substances 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 10
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- 230000009477 glass transition Effects 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- GJEAMHAFPYZYDE-UHFFFAOYSA-N [C].[S] Chemical compound [C].[S] GJEAMHAFPYZYDE-UHFFFAOYSA-N 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 125000002560 nitrile group Chemical group 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- 239000011230 binding agent Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- -1 sulfur anions Chemical class 0.000 description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 10
- 229920001021 polysulfide Polymers 0.000 description 10
- 239000005077 polysulfide Substances 0.000 description 10
- 150000008117 polysulfides Polymers 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010828 elution Methods 0.000 description 8
- 229910012440 LiSx Inorganic materials 0.000 description 7
- 239000011149 active material Substances 0.000 description 7
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000011884 anode binding agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002296 dynamic light scattering Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N 2-methylbut-2-enoic acid Chemical compound CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 1
- 241001133287 Artocarpus hirsutus Species 0.000 description 1
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- DUDCYUDPBRJVLG-UHFFFAOYSA-N ethoxyethane methyl 2-methylprop-2-enoate Chemical compound CCOCC.COC(=O)C(C)=C DUDCYUDPBRJVLG-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 229920013747 hydroxypolyethylene Polymers 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical group CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Description
本出願は2016年9月26日付韓国特許出願第10−2016−0122911号に基づいた優先権の利益を主張し、該当韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
分析機器
−ガスクロマトグラフィー(Gas chromatography、PerkinElmer)
分析条件
−溶媒:テトラヒドロフラン
−初期温度:50℃で3分、ランプ(Ramp):200℃で30℃/min
−注入体積(Injection volume):0.5μl
反応物を20mg/mLの濃度に溶媒に希釈し、5mg/mLのトルエンを標準物質として添加した後、ガスクロマトグラフィーを測定する。トルエンピーク対比モノマーピークの大きさの比率の変化で転換率を計算する。
Aini:反応開始時のモノマーピークのトルエンピーク対比面積相対比
Afin:反応終了時のモノマーピークのトルエンピーク対比面積相対比
重量平均分子量(Mw)および分子量分布(PDI)は、GPCを使って以下の条件で測定し、検量線の製作にはAgilent systemの標準ポリスチレンを使って測定結果を換算した。
測定機:Agilent GPC(Agilent 1200 series、U.S.)
カラム:PL Mixed B 2個連結
カラム温度:40℃
溶離液:テトラヒドロフランまたはN,N−ジメチルホルムアルデヒド
流速:1.0mL/min
濃度:〜1mg/mL(100μl注入)
カーボンパウダー:硫黄の重量比が10:90である混合物を湿式粉砕(wet ball milling)工程を通じて、炭素−硫黄複合体を得た。自己乳化型イソシアネート架橋剤AQ−130(日本ポリウレタン工業社製)は、使用直前に20%乳化溶液状態で製造した。前記炭素−硫黄複合体75.0wt%:Super−P(導電材)20.0wt%:バインダー4.5wt%:架橋剤0.5wt%組成の組成物を溶剤である水に添加して陽極スラリーを製造した後、約20μm厚さのアルミニウム集電体上にコーティングし、80℃で12時間の間乾燥して、ローディング量が2.0mAh/cm2である陽極を製造した。
本出願の前記方式により製造された陽極を利用し、陰極としては約150μm厚さのリチウムホイルを利用し、分離膜としてポリオレフィン膜(Celgard 2400)を使った。電解液として、1M LiN(CF3SO2)2)と0.1 MLiNO3が溶解したTEGDME(Tetraethylene glycol dimethyl ether)、DOL(1,3−dioxolane)、DME(dimethoxyethane)を混合した電解液を使ってリチウム−硫黄二次電池の製造を完成した。
機器:100mA級の充放電器
充電:0.1C、定電流/定電圧モード
放電:0.1C、定電流モード(1.5V)
サイクル温度:25℃
250mL丸底フラスコに7.5gのポリエチレンオキサイドメチルエーテルメタクリレート、4.5gのN−ビニル−2−ピロリドン、1.5gのアクリロニトリル、1.5gの2−ヒドロキシエチルメタクリレート、60gの水を投入して入口をシーリング(Sealing)した。30分間窒素バブリングを通じて酸素を除去し、反応フラスコを60℃に加熱されたオイルバスに浸けた後、0.15gのVA−057(Wako Chemical)を投与し、反応を開始した。24時間以後に転換率が99%であるときに反応を終了し、重量平均分子量が約32万であるアクリルバインダーを収得した。
重合時に使われた単量体の種類およびその含量を下記の表1のように調節したことを除いては製造例1の場合と同じ方式でアクリルバインダーを製造した。
前記製造例1により製造されたアクリルバインダー(A1)を含む活性層を有する陽極を利用してリチウム−硫黄二次電池を製造した。充電/放電を0.1C/0.1Cで1.5V〜2.8Vの間で50サイクル評価した後、初期容量対比2回目のサイクルにおける残存容量と50回目のサイクルにおける残存容量を計算して容量維持率を測定し、その結果を表2に示した。
前記製造例2〜4により製造されたアクリルバインダー(A2、A3、A4)を含む活性層を有する陽極を利用してリチウム−硫黄二次電池を製造したことを除いては実施例1と同じ方式で電池を製造し、容量維持率を評価して表2に示した。
アクリルバインダー(A1、A2、A3、A4)の代わりにポリビニリデンフルオライド(PVDF)バインダーまたはスチレン−ブタジエンゴム(SBR)とカルボキシメチルセルロース(CMC)の1:1混合物を陽極のバインダーとして使ったことを除いては実施例1と同じ方式で電池を製造し、容量維持率を評価して、表2に表わした。
Claims (18)
- 陽極活物質と相互作用する極性官能基を有する第1重合性単量体の重合単位;および
架橋性官能基を有する第2重合性単量体の重合単位を含み、
極性官能基は、アミド基、ニトリル基およびアルキレンオキシド基からなる群から選択される1種以上であり、
架橋性官能基は、アミン基、ヒドロキシ基、カルボキシ基、エポキシ基およびビニル基からなる群から選択される1種以上であり、
10nm以下の粒径を有し、
前記第1重合性単量体の重合単位は、アルコキシアルキレングリコール(メタ)アクリル酸エステル、アルコキシジアルキレングリコール(メタ)アクリル酸エステル、及びアルコキシポリエチレングリコール(メタ)アクリル酸エステルからなる群から選択された1種以上を含む、リチウム−硫黄二次電池の陽極用アクリルバインダー。 - 第1重合性単量体30〜99.5重量部の重合単位および第2重合性単量体0.5〜30重量部の重合単位を含む、請求項1に記載のリチウム−硫黄二次電池の陽極用アクリルバインダー。
- 前記陽極活物質は硫黄元素を含み、相互作用は、極性官能基と前記陽極活物質に含まれた硫黄元素の間の相互作用である、請求項1に記載のリチウム−硫黄二次電池の陽極用アクリルバインダー。
- アルキル(メタ)アクリレートの重合単位をさらに含む、請求項1に記載のリチウム−硫黄二次電池の陽極用アクリルバインダー。
- アルキル(メタ)アクリレートは5〜30重量部の重合単位比率で含まれる、請求項4に記載のリチウム−硫黄二次電池の陽極用アクリルバインダー。
- ガラス転移温度が−80℃〜50℃の範囲内にある、請求項1に記載のリチウム−硫黄二次電池の陽極用アクリルバインダー。
- 重量平均分子量が5,000〜3,000,000の範囲内にある、請求項1に記載のリチウム−硫黄二次電池の陽極用アクリルバインダー。
- 請求項1〜請求項7のいずれか一項に記載されたアクリルバインダー、架橋剤、陽極活物質および導電材を含む、リチウム−硫黄二次電池の陽極の活性層形成用組成物。
- アクリルバインダーは、組成物の総固形分100重量部対比0.01〜10重量部の比率で含まれる、請求項8に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 陽極活物質は、硫黄−炭素複合体である、請求項8に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 陽極活物質は、組成物の総固形分100重量部対比30〜95重量部の比率で含まれる、請求項8に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 架橋剤は、組成物の総固形分100重量部対比0.0001〜1重量部の比率で含まれる、請求項8に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 導電材は、組成物の総固形分100重量部対比2〜70重量部の比率で含まれる、請求項8に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 導電材分散剤をさらに含み、前記導電材分散剤は組成物の総固形分100重量部対比0.001〜19.99重量部の比率で含まれる、請求項8に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 導電材分散剤はカルボキシメチルセルロースである、請求項14に記載のリチウム−硫黄二次電池の陽極の活性層形成用組成物。
- 集電体;
前記集電体上に形成され、請求項1〜請求項7のいずれか一項に記載されたアクリルバインダーを含む活性層を有する、リチウム−硫黄二次電池用陽極。 - 活性層の厚さは1〜200μmの範囲内にある、請求項16に記載のリチウム−硫黄二次電池用陽極。
- 請求項16に記載された陽極を含む、リチウム−硫黄二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0122911 | 2016-09-26 | ||
KR1020160122911A KR102019711B1 (ko) | 2016-09-26 | 2016-09-26 | 리튬-황 이차전지 양극용 아크릴 바인더 및 이의 용도 |
PCT/KR2017/010581 WO2018056782A1 (ko) | 2016-09-26 | 2017-09-26 | 리튬-황 이차전지 양극용 아크릴 바인더 및 이의 용도 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019530172A JP2019530172A (ja) | 2019-10-17 |
JP6872090B2 true JP6872090B2 (ja) | 2021-05-19 |
Family
ID=61689707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019516129A Active JP6872090B2 (ja) | 2016-09-26 | 2017-09-26 | リチウム−硫黄二次電池の陽極用アクリルバインダーおよびその用途 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200161658A1 (ja) |
EP (1) | EP3512014B1 (ja) |
JP (1) | JP6872090B2 (ja) |
KR (1) | KR102019711B1 (ja) |
CN (2) | CN118291069A (ja) |
WO (1) | WO2018056782A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170050078A (ko) | 2015-10-29 | 2017-05-11 | 주식회사 엘지화학 | 리튬-황 이차전지 양극용 아크릴 바인더 |
WO2019212162A1 (ko) * | 2018-05-03 | 2019-11-07 | 주식회사 엘지화학 | 리튬-황 이차전지용 바인더 및 이를 포함하는 리튬-황 이차전지 |
KR102415163B1 (ko) * | 2018-05-03 | 2022-06-29 | 주식회사 엘지에너지솔루션 | 리튬-황 이차전지용 바인더 및 이를 포함하는 리튬-황 이차전지 |
KR102244911B1 (ko) * | 2018-05-03 | 2021-04-26 | 주식회사 엘지화학 | 리튬-황 이차전지용 바인더 및 이를 포함하는 리튬-황 이차전지 |
KR102170401B1 (ko) * | 2019-02-28 | 2020-10-28 | 충남대학교산학협력단 | 이차전지 음극용 바인더 전구체를 포함하는 이차전지 음극용 바인더, 이를 포함하는 이차전지용 음극 및 이들의 제조방법 |
US12040482B2 (en) | 2019-05-31 | 2024-07-16 | Lg Energy Solution, Ltd. | Sulfur-carbon composite, positive electrode for lithium-sulfur battery comprising same, and lithium-sulfur battery comprising positive electrode |
CN113853698A (zh) | 2019-05-31 | 2021-12-28 | 株式会社Lg新能源 | 硫碳复合物、包含所述硫碳复合物的锂硫电池用正极和包含所述正极的锂硫电池 |
US20240105950A1 (en) | 2020-12-16 | 2024-03-28 | Toagosei Co., Ltd. | Lithium-sulfur secondary battery electrode binder and use thereof |
EP4303944A4 (en) * | 2022-05-10 | 2024-09-18 | Contemporary Amperex Technology Co Ltd | POSITIVE ELECTRODE SLURRY, POSITIVE ELECTRODE FOIL AND SECONDARY BATTERY WITH POSITIVE ELECTRODE FOIL |
CN117652034A (zh) * | 2022-05-10 | 2024-03-05 | 宁德时代新能源科技股份有限公司 | 正极浆料、正极极片及包括所述正极极片的二次电池 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6096770A (ja) * | 1983-10-28 | 1985-05-30 | Nippon Steel Corp | 鉄損の優れた方向性電磁鋼板の製造方法 |
JP3726163B2 (ja) * | 1994-10-27 | 2005-12-14 | 宇部興産株式会社 | 非水二次電池とその製造方法 |
US5523340A (en) * | 1995-01-23 | 1996-06-04 | Industrial Technology Research Institute | Anionic electrodepositable coating composition for pigment dispersed color filter |
KR100396492B1 (ko) * | 2001-10-17 | 2003-09-02 | 삼성에스디아이 주식회사 | 리튬-황 전지용 양극 활물질 및 이를 포함하는 양극활물질 조성물의 제조 방법 |
US10297827B2 (en) * | 2004-01-06 | 2019-05-21 | Sion Power Corporation | Electrochemical cell, components thereof, and methods of making and using same |
KR100898705B1 (ko) * | 2006-08-21 | 2009-05-21 | 주식회사 엘지화학 | 폴리비닐알콜과 폴리우레탄의 semi-IPN인 전극합제용 바인더 및 이를 기반으로 하는 리튬 이차전지 |
KR101161145B1 (ko) * | 2010-01-20 | 2012-06-29 | 주식회사 엘지화학 | 접착력과 사이클 특성이 우수한 이차전지용 바인더 |
CN102074704B (zh) * | 2010-12-22 | 2012-08-29 | 上海交通大学 | 一种二次锂硫电池正极粘合剂的制备方法 |
JP5943602B2 (ja) * | 2010-12-28 | 2016-07-05 | 三井化学株式会社 | 電気化学セル用アクリル系水分散体および水性ペースト、それからなる電極・電池の製造方法 |
US9306220B2 (en) * | 2011-05-23 | 2016-04-05 | Kabushiki Kaisha Toyota Jidoshokki | Lithium ion secondary battery electrode, manufacturing process for the same, and lithium ion secondary battery using the electrode |
KR101481234B1 (ko) * | 2012-12-07 | 2015-01-09 | 현대자동차주식회사 | 바인더로 전처리된 유황복합분말을 사용하는 유황 전극, 및 이를 이용한 리튬황 배터리 시스템 |
WO2015016496A1 (ko) * | 2013-08-01 | 2015-02-05 | 주식회사 엘지화학 | 리튬-황 전지용 양극 및 이의 제조방법 |
KR101526677B1 (ko) * | 2013-08-07 | 2015-06-05 | 현대자동차주식회사 | 리튬황 배터리를 위한 유황 양극 |
EP3016181B1 (en) * | 2013-08-16 | 2018-04-25 | LG Chem, Ltd. | Anode for lithium-sulfur battery and preparation method therefor |
WO2015023152A1 (ko) * | 2013-08-16 | 2015-02-19 | 주식회사 엘지화학 | 실 테이프 |
WO2015046314A1 (ja) * | 2013-09-25 | 2015-04-02 | 富士フイルム株式会社 | 固体電解質組成物、これを用いた電池用電極シートおよび全固体二次電池 |
KR101764455B1 (ko) * | 2013-11-28 | 2017-08-03 | 주식회사 엘지화학 | 리튬-황 전지용 양극 및 이의 제조방법 |
WO2015098507A1 (ja) * | 2013-12-25 | 2015-07-02 | 日本ゼオン株式会社 | リチウムイオン二次電池用バインダー組成物、リチウムイオン二次電池用スラリー組成物、二次電池用電極の製造方法、および、リチウムイオン二次電池 |
KR102222117B1 (ko) * | 2014-01-10 | 2021-03-03 | 삼성에스디아이 주식회사 | 2차전지용 바인더 조성물, 이를 채용한 양극과 리튬전지 |
US9437871B2 (en) * | 2014-02-05 | 2016-09-06 | GM Global Technology Operations LLC | Sulfur based active material for a positive electrode |
KR101618428B1 (ko) | 2014-02-07 | 2016-05-09 | 고려대학교 산학협력단 | 리튬-황 이차전지용 전극 구조물의 제조 방법 |
CN104078685B (zh) * | 2014-06-27 | 2016-03-30 | 哈尔滨工业大学 | 聚乙烯吡咯烷酮修饰石墨烯包覆的硫/多孔碳复合正极材料及其制备方法 |
KR101683387B1 (ko) * | 2014-07-11 | 2016-12-07 | 주식회사 엘지화학 | 양극 및 이의 제조방법 |
CN104466187B (zh) * | 2014-12-10 | 2017-09-22 | 东莞新能源科技有限公司 | 一种正极电极膜及应用了该电极膜的锂离子电池 |
CN105870455A (zh) * | 2016-06-06 | 2016-08-17 | 北京师范大学 | 含硫正极的酸性粘结剂、锂硫电池及制备方法 |
-
2016
- 2016-09-26 KR KR1020160122911A patent/KR102019711B1/ko active IP Right Grant
-
2017
- 2017-09-26 CN CN202310235977.0A patent/CN118291069A/zh active Pending
- 2017-09-26 US US16/335,643 patent/US20200161658A1/en active Pending
- 2017-09-26 CN CN201780059382.7A patent/CN109792052B/zh active Active
- 2017-09-26 WO PCT/KR2017/010581 patent/WO2018056782A1/ko unknown
- 2017-09-26 JP JP2019516129A patent/JP6872090B2/ja active Active
- 2017-09-26 EP EP17853496.2A patent/EP3512014B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3512014A1 (en) | 2019-07-17 |
EP3512014B1 (en) | 2021-09-22 |
KR102019711B1 (ko) | 2019-11-14 |
CN109792052B (zh) | 2023-04-04 |
JP2019530172A (ja) | 2019-10-17 |
US20200161658A1 (en) | 2020-05-21 |
KR20180033665A (ko) | 2018-04-04 |
EP3512014A4 (en) | 2019-10-30 |
CN109792052A (zh) | 2019-05-21 |
WO2018056782A1 (ko) | 2018-03-29 |
CN118291069A (zh) | 2024-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6872090B2 (ja) | リチウム−硫黄二次電池の陽極用アクリルバインダーおよびその用途 | |
JP6775529B2 (ja) | リチウム−硫黄二次電池陽極用アクリルバインダー | |
JP6702597B2 (ja) | リチウム−硫黄二次電池の正極製造用バインダー及びこれを使用した正極の製造方法 | |
EP3734695A1 (en) | Composition for nonaqueous secondary battery functional layers, battery member for nonaqueous secondary batteries, method for producing laminate for nonaqueous secondary batteries, and nonaqueous secondary battery | |
CN105814718B (zh) | 电极用导电材料糊、正极用浆料的制造方法、正极的制造方法以及二次电池 | |
EP3457457B1 (en) | Composition for non-aqueous secondary cell functional layer, functional layer for non-aqueous secondary cell, and non-aqueous secondary cell | |
EP3474348B1 (en) | Composition for non-aqueous secondary battery function layer, functional layer for non-aqueous secondary battery, and non-aqueous secondary battery | |
EP3506394B1 (en) | Composition for nonaqueous secondary battery functional layers, functional layer for nonaqueous secondary batteries, nonaqueous secondary battery, and method for producing electrode for nonaqueous secondary batteries | |
KR20190040192A (ko) | 비수계 이차 전지 다공막용 조성물, 비수계 이차 전지용 다공막 및 비수계 이차 전지 | |
KR20190039932A (ko) | 비수계 이차 전지 기능층용 조성물, 비수계 이차 전지용 기능층 및 비수계 이차 전지 | |
JPWO2019065416A1 (ja) | 非水系二次電池機能層用組成物、非水系二次電池用機能層および非水系二次電池 | |
JP6665484B2 (ja) | 非水系二次電池接着層用組成物、非水系二次電池用接着層、及び非水系二次電池 | |
EP3648212A1 (en) | Binder composition for electrochemical elements, slurry composition for electrochemical element functional layer, slurry composition for electrochemical element adhesion layer, and composite membrane | |
KR102019715B1 (ko) | 리튬-황 이차전지 양극용 아크릴 바인더 및 이의 용도 | |
JP2013127960A (ja) | 非水電解質二次電池電極用バインダ樹脂およびスラリー組成物、非水電解質二次電池用電極、非水電解質二次電池 | |
KR102126706B1 (ko) | 리튬-황 이차전지 양극용 아크릴 바인더 | |
KR102136550B1 (ko) | 바인더 | |
JP7371497B2 (ja) | 蓄電デバイス用接着剤組成物、蓄電デバイス用機能層、蓄電デバイス、及び蓄電デバイスの製造方法 | |
JP2022149954A (ja) | 非水系二次電池用重合体組成物、非水系二次電池用負極及び非水系二次電池 | |
JP7371498B2 (ja) | 蓄電デバイス用接着剤組成物、蓄電デバイス用機能層、蓄電デバイス、及び蓄電デバイスの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190325 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190325 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200129 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200203 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200422 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200923 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201215 |
|
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: 20210112 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20210212 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210212 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6872090 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
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 |