JP2021192364A - 電極板および電池 - Google Patents
電極板および電池 Download PDFInfo
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- 239000011149 active material Substances 0.000 claims abstract description 90
- 239000011888 foil Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 239000013078 crystal Substances 0.000 claims abstract description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 15
- 229910052744 lithium Inorganic materials 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000010936 titanium Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- 239000008151 electrolyte solution Substances 0.000 claims description 8
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 claims description 8
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 claims description 8
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical group [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 claims description 8
- 229910052596 spinel Chemical group 0.000 claims description 7
- 239000011029 spinel Chemical group 0.000 claims description 7
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 claims description 6
- 241000207199 Citrus Species 0.000 claims description 5
- 235000020971 citrus fruits Nutrition 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 229910021385 hard carbon Inorganic materials 0.000 claims description 5
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical group [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 5
- 229910021384 soft carbon Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- ILXAVRFGLBYNEJ-UHFFFAOYSA-K lithium;manganese(2+);phosphate Chemical group [Li+].[Mn+2].[O-]P([O-])([O-])=O ILXAVRFGLBYNEJ-UHFFFAOYSA-K 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims 2
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 claims 2
- OMLOBRLMBKBLOH-UHFFFAOYSA-K lithium manganese(2+) phosphate Chemical compound [Mn+2].[Li+].P(=O)([O-])([O-])[O-].[Mn+2] OMLOBRLMBKBLOH-UHFFFAOYSA-K 0.000 claims 2
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 claims 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims 1
- 229910001947 lithium oxide Inorganic materials 0.000 claims 1
- 238000007600 charging Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 239000002033 PVDF binder Substances 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 10
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 7
- -1 manganese iron-iron phosphate lithium phosphate Chemical compound 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 5
- 229910013870 LiPF 6 Inorganic materials 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910012305 LiPON Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- JBNPIAKNWRZNQH-UHFFFAOYSA-N [Co]=O.[Co].[Ni].[Li] Chemical compound [Co]=O.[Co].[Ni].[Li] JBNPIAKNWRZNQH-UHFFFAOYSA-N 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- ACKHWUITNXEGEP-UHFFFAOYSA-N aluminum cobalt(2+) nickel(2+) oxygen(2-) Chemical compound [O-2].[Al+3].[Co+2].[Ni+2] ACKHWUITNXEGEP-UHFFFAOYSA-N 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 229910021525 ceramic electrolyte Inorganic materials 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 150000007975 iminium salts Chemical class 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- DVATZODUVBMYHN-UHFFFAOYSA-K lithium;iron(2+);manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[Fe+2].[O-]P([O-])([O-])=O DVATZODUVBMYHN-UHFFFAOYSA-K 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 description 1
- 229920001558 organosilicon polymer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000005365 phosphate glass Substances 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 1
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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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
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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
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/64—Carriers or collectors
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- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
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Abstract
Description
斜方晶系のニッケルコバルトマンガン酸リチウム(NMC−111、Shenzhen Tianjiao Technology Development Co Ltd.から購入)粉末(95wt%)、導電性炭素粉末(3wt%)、およびPVDF接着剤(2wt%)を混合してスラリーを形成し、アルミ箔の上面と下面上に塗布して正極板を形成する。スピネル構造のLTO粉末(92wt%)、導電性炭素粉末(3.1wt%)、およびPVDF接着剤(4.9wt%)を混合してスラリーを形成し、もう1つのアルミ箔の上面上に塗布する。さらに、単斜晶系のTNO粉末(92.5wt%)、導電性炭素粉末(4wt%)、およびPVDF接着剤(3.5wt%)を混合してスラリーを形成し、もう1つのアルミ箔の下面上に塗布して負極板を形成する。正極板のNMC活物質の単位面積あたりの塗布重量は0.0143g/cm2であり、負極板の下面のTNO活物質の単位面積あたりの塗布重量は0.0115g/cm2であり、負極板の上面のLTO活物質の単位面積あたりの塗布重量は0.0232g/cm2である。
斜方晶系のニッケルコバルトマンガン酸リチウム(NMC−111)粉末(95wt%)、導電性炭素粉末(3wt%)、およびPVDF接着剤(2wt%)を混合してスラリーを形成し、アルミ箔の上面と下面上に塗布して正極板を形成する。単斜晶系のTNO粉末(92.5wt%)、導電性炭素粉末(4wt%)、およびPVDF接着剤(3.5wt%)を混合してスラリーを形成し、もう1つのアルミ箔の上面と下面上に塗布して負極板を形成する。正極板のNMCの単位面積あたりの塗布重量は0.0143g/cm2であり、負極板のTNOの単位面積あたりの塗布重量は0.0115g/cm2である。
斜方晶系のニッケルコバルトマンガン酸リチウム(NMC−111)粉末(95wt%)、導電性炭素粉末(3wt%)、およびPVDF接着剤(2wt%)を混合してスラリーを形成し、アルミ箔の上面と下面上に塗布して正極板を形成する。スピネル構造のLTOおよび単斜晶系のTNO粉末(重量比4:6、92wt%)、導電性炭素粉末(3.1wt%)、およびPVDF接着剤(4.9wt%)を混合してスラリーを形成し、もう1つのアルミ箔の上面と下面上に塗布して負極板を形成する。正極板のNMCの活物質の単位面積あたりの塗布重量は0.0143g/cm2であり、負極板のLTO+TNOの単位面積あたりの塗布重量は0.0117g/cm2である。
Claims (13)
- 金属箔、
前記金属箔の上面上に直接配置された第1の活物質層、および
前記金属箔の下面上に直接配置された第2の活物質層を含み、
前記第1の活物質層および前記第2の活物質層の結晶系は異なる、電極板。 - 負極板であるとき、前記第1の活物質層および前記第2の活物質層は、スピネル構造のチタン酸リチウム(LTO)、単斜晶系のニオブ酸チタン(TNO)、アモルファス構造のソフトカーボン、およびアモルファス構造のハードカーボン、または六方晶系構造のグラファイトをそれぞれ含む請求項1に記載の電極板。
- 負極板であるとき、前記第1の活物質層は、スピネル構造のチタン酸リチウム(LTO)を含み、前記第2の活物質層は、単斜晶系のニオブ酸チタン(TNO)を含む請求項2に記載の電極板。
- 正極板であるとき、前記第1の活物質層および前記第2の活物質層は、かんらん石構造のリン酸マンガン鉄リチウム、かんらん石構造のリン酸鉄リチウム、層状構造のニッケルコバルトマンガン酸リチウム、層状構造のニッケルコバルトアルミニウム酸リチウム、層状構造のコバルト酸リチウム、またはスピネル構造のマンガン酸リチウムをそれぞれ含む請求項1に記載の電極板。
- 前記金属箔は、アルミニウム、銅、チタン、アルミニウム合金、銅合金、またはチタン合金を含む請求項1に記載の電極板。
- 正極板、
負極板、および
前記正極板と前記負極板の間に配置されたセパレータフィルムを含み、
前記正極板、前記負極板、および前記セパレータフィルムは電解液中に浸漬され、
前記正極板および前記負極板のうちの少なくとも1つは、
金属箔、
前記金属箔の上面上に直接配置された第1の活物質層、および
前記金属箔の下面上に直接配置された第2の活物質層を含み、
前記第1の活物質層および前記第2の活物質層の結晶系は異なる、電池。 - 前記負極板の前記第1の活物質層および前記第2の活物質層の結晶系は異なっており、且つスピネル構造のチタン酸リチウム(LTO)、単斜晶系のニオブ酸チタン(TNO)、アモルファス構造のソフトカーボン、およびアモルファス構造のハードカーボン、または六方晶系構造のグラファイトをそれぞれ含む請求項6に記載の電池。
- 前記負極板の前記第1の活物質層は、スピネル構造のチタン酸リチウム(LTO)を含み、前記第2の活物質層は、単斜晶系のニオブ酸チタン(TNO)を含む請求項7に記載の電池。
- 前記正極板の両側の活物質層は同じであり、且つかんらん石構造のリン酸マンガン鉄リチウム、かんらん石構造のリン酸鉄リチウム、層状構造のニッケルコバルトマンガン酸リチウム、層状構造のニッケルコバルトアルミニウム酸リチウム、層状構造のコバルト酸リチウム、またはスピネル構造のマンガン酸リチウムをそれぞれ含む請求項7に記載の電池。
- 前記正極板の両側の活物質層の結晶系は異なっており、且つかんらん石構造のリン酸マンガン鉄リチウム、かんらん石構造のリン酸鉄リチウム、層状構造のニッケルコバルトマンガン酸リチウム、層状構造のニッケルコバルトアルミニウム酸リチウム、層状構造のコバルト酸リチウム、またはスピネル構造のマンガン酸リチウムをそれぞれ含む請求項7に記載の電池。
- 前記正極板の両側の活物質層の結晶系は異なっており、且つかんらん石構造のリン酸マンガン鉄リチウム、かんらん石構造のリン酸鉄リチウム、層状構造のニッケルコバルトマンガン酸リチウム、層状構造のニッケルコバルトアルミニウム酸リチウム、層状構造のコバルト酸リチウム、またはスピネル構造のマンガン酸リチウムをそれぞれ含む請求項6に記載の電池。
- 前記負極板の両側の活物質層は同じであり、且つスピネル構造のチタン酸リチウム(LTO)、単斜晶系のニオブ酸チタン(TNO)、アモルファス構造のソフトカーボン、およびアモルファス構造のハードカーボン、または六方晶系構造のグラファイトをそれぞれ含む請求項11に記載の電池。
- 前記金属箔は、アルミニウム、銅、チタン、アルミニウム合金、銅合金、またはチタン合金を含む請求項6に記載の電池。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003257415A (ja) * | 2002-03-01 | 2003-09-12 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
KR20150016018A (ko) * | 2013-08-02 | 2015-02-11 | 주식회사 엘지화학 | 양면에 서로 다른 전극 활물질이 도포된 전극 및 이를 포함하는 전극조립체 |
US20160006033A1 (en) * | 2014-07-07 | 2016-01-07 | Samsung Sdi Co., Ltd. | Lithium battery |
JP2016524795A (ja) * | 2013-07-31 | 2016-08-18 | エルジー・ケム・リミテッド | 異なる電極材層を含む電極及びリチウム二次電池 |
WO2016132436A1 (ja) * | 2015-02-16 | 2016-08-25 | 株式会社 東芝 | 非水電解質電池及び電池パック |
JP2016177974A (ja) * | 2015-03-19 | 2016-10-06 | 株式会社東芝 | 電極、非水電解質電池及び電池パック |
JP2018170145A (ja) * | 2017-03-29 | 2018-11-01 | Tdk株式会社 | 正極及びリチウムイオン二次電池 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103066250A (zh) * | 2011-10-18 | 2013-04-24 | 上海德朗能动力电池有限公司 | 一种具有双层活性物质结构的锂离子电池用负极和使用该负极的锂离子电池 |
JP6262129B2 (ja) * | 2012-05-24 | 2018-01-17 | 株式会社村田製作所 | 全固体電池およびその製造方法 |
JP2015176729A (ja) * | 2014-03-14 | 2015-10-05 | トヨタ自動車株式会社 | 電池用電極の製造方法 |
JP6160602B2 (ja) * | 2014-03-24 | 2017-07-12 | 株式会社デンソー | リチウムイオン二次電池 |
KR102220904B1 (ko) * | 2014-05-21 | 2021-02-26 | 삼성에스디아이 주식회사 | 전극 구조체 및 이를 채용한 리튬 전지 |
WO2017046895A1 (ja) * | 2015-09-16 | 2017-03-23 | 株式会社 東芝 | 組電池及び電池パック |
JP6870582B2 (ja) * | 2016-11-30 | 2021-05-12 | 株式会社豊田自動織機 | ニッケル水素蓄電池用バイポーラ電極及びニッケル水素蓄電池 |
JP6383038B1 (ja) * | 2017-03-22 | 2018-08-29 | 株式会社東芝 | 二次電池、電池パック及び車両 |
CN206864542U (zh) * | 2017-06-22 | 2018-01-09 | 北京圣比和科技有限公司 | 一种基于钛酸锂负极材料的3v级锂离子电池 |
CN107482166A (zh) * | 2017-07-03 | 2017-12-15 | 深圳市比克动力电池有限公司 | 一种锂离子电池 |
TWI705952B (zh) | 2018-11-06 | 2020-10-01 | 財團法人工業技術研究院 | 摻雜鈮酸鈦與電池 |
-
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003257415A (ja) * | 2002-03-01 | 2003-09-12 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
JP2016524795A (ja) * | 2013-07-31 | 2016-08-18 | エルジー・ケム・リミテッド | 異なる電極材層を含む電極及びリチウム二次電池 |
KR20150016018A (ko) * | 2013-08-02 | 2015-02-11 | 주식회사 엘지화학 | 양면에 서로 다른 전극 활물질이 도포된 전극 및 이를 포함하는 전극조립체 |
US20160006033A1 (en) * | 2014-07-07 | 2016-01-07 | Samsung Sdi Co., Ltd. | Lithium battery |
WO2016132436A1 (ja) * | 2015-02-16 | 2016-08-25 | 株式会社 東芝 | 非水電解質電池及び電池パック |
JP2016177974A (ja) * | 2015-03-19 | 2016-10-06 | 株式会社東芝 | 電極、非水電解質電池及び電池パック |
JP2018170145A (ja) * | 2017-03-29 | 2018-11-01 | Tdk株式会社 | 正極及びリチウムイオン二次電池 |
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