JP6357544B2 - 電気化学セルのための複合電極および電気化学セル - Google Patents
電気化学セルのための複合電極および電気化学セル Download PDFInfo
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- JP6357544B2 JP6357544B2 JP2016565457A JP2016565457A JP6357544B2 JP 6357544 B2 JP6357544 B2 JP 6357544B2 JP 2016565457 A JP2016565457 A JP 2016565457A JP 2016565457 A JP2016565457 A JP 2016565457A JP 6357544 B2 JP6357544 B2 JP 6357544B2
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- 239000000463 material Substances 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 239000011230 binding agent Substances 0.000 claims description 20
- 239000002482 conductive additive Substances 0.000 claims description 19
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- 229920005596 polymer binder Polymers 0.000 claims description 12
- 239000002491 polymer binding agent Substances 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052723 transition metal Inorganic materials 0.000 claims description 8
- 150000003624 transition metals Chemical class 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052752 metalloid Inorganic materials 0.000 claims description 3
- 150000002738 metalloids Chemical class 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 229920001940 conductive polymer Polymers 0.000 claims description 2
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229920002098 polyfluorene Polymers 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 229910052797 bismuth Inorganic materials 0.000 claims 1
- 239000002322 conducting polymer Substances 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 229910001416 lithium ion Inorganic materials 0.000 description 34
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 28
- 239000007772 electrode material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
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- 239000011149 active material Substances 0.000 description 4
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- 230000006378 damage Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000037427 ion transport Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 229910015475 FeF 2 Inorganic materials 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 208000020960 lithium transport Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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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
- H01M4/62—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
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
Description
−複合電極が、万一の体積変化を補償し得る高い弾性を特徴とする。
−活性材料の破壊による亀裂形成が効果的に阻止される。
−バインダーの電気伝導性およびイオン伝導性により、高い充電率および放電率が達成される。
−電気化学セルが高いエネルギー密度を有しており、とりわけ、高い出力密度を必要とする用途に適している。
2 伝導性添加剤
3 変換材料
4 バインダー
5 セパレーター
6 電解質
7 アノード
8 カソード
9 容器
10 リチウムイオンバッテリーセル
Claims (12)
- 極性側基を有する芳香族骨格を有する電気伝導性のポリマーバインダー(4)と、変換材料(3)とを含んでおり、変換材料(3)が少なくとも1種の遷移金属MおよびアニオンXを含む化合物からなり、かつ遷移金属が電気化学セルのセル充電工程において還元可能であり、ポリマーバインダー(4)の割合が、変換材料(3)の総重量に対して0.1〜30重量%であり、複合電極が、金属リチウムを含有する、電気化学セルのための複合電極。
- 変換材料(3)が化合物MXまたはMXYとして存在しており、Xが、ハロゲン化物、非金属、または半金属であり、Mが、Fe、Bi、Ti、V、Co、Ni、Cu、Mn、およびそれらからの混合物から成る群から選択され、Yがアルカリ金属およびアルカリ土類金属、C、ならびにAlの群から選択されることを特徴とする、請求項1に記載の複合電極。
- Xが、F、Cl、S、O、N、およびPから成る群から選択されることを特徴とする、請求項1または2に記載の複合電極。
- Yが、Li、Na、K、およびCから成る群から選択されることを特徴とする、請求項2または3に記載の複合電極。
- 電気伝導性の添加剤をさらに含有しており、電気伝導性の添加剤が、C、Al、およびCuから成る群から選択される、請求項1〜4のいずれか一つに記載の複合電極。
- 複合電極が、安定化リチウム金属粉末(SLMP)を含有することを特徴とする、請求項1〜5のいずれか一つに記載の複合電極。
- Mが、Fe、Mn、Co、およびCuから成る群から選択される、請求項1〜6のいずれか一つに記載の複合電極。
- 電気伝導性の添加剤がカーボンブラックまたはグラファイトを含有する、請求項1〜7のいずれか一つに記載の複合電極。
- ポリマーバインダー(4)がポリエチレンオキシド側鎖を有すること、ならびに/またはポリマーバインダー(4)が、ポリフルオレン単位および/もしくは安息香酸単位および/もしくはビフェニル単位および/もしくはフルオレン単位を骨格内に有することを特徴とする、請求項1〜8のいずれか一つに記載の複合電極。
- ポリマーバインダー(4)がPFPFOFOMBであることを特徴とする、請求項1〜9のいずれか一つに記載の複合電極。
- ポリマーバインダー(4)の割合が、変換材料(3)の総重量に対して1〜5重量%であることを特徴とする、請求項1〜10のいずれか一つに記載の複合電極。
- アノード(7)、カソード(8)、少なくとも1つの電解質(6)、および少なくとも1つのセパレーターを含んでおり、カソード(8)および/またはアノード(7)が請求項1〜11のいずれか一つに記載の複合電極から形成されている、電気化学セル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014214899.5A DE102014214899A1 (de) | 2014-07-30 | 2014-07-30 | Kompositelektrode für eine elektrochemische Zelle und elektrochemische Zelle |
DE102014214899.5 | 2014-07-30 | ||
PCT/EP2015/063461 WO2016015915A1 (de) | 2014-07-30 | 2015-06-16 | Kompositelektrode für eine elektrochemische zelle und elektrochemische zelle |
Publications (2)
Publication Number | Publication Date |
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JP2017515278A JP2017515278A (ja) | 2017-06-08 |
JP6357544B2 true JP6357544B2 (ja) | 2018-07-11 |
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JP2016565457A Active JP6357544B2 (ja) | 2014-07-30 | 2015-06-16 | 電気化学セルのための複合電極および電気化学セル |
Country Status (6)
Country | Link |
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US (1) | US20170141399A1 (ja) |
EP (1) | EP3175501B1 (ja) |
JP (1) | JP6357544B2 (ja) |
CN (1) | CN106165159A (ja) |
DE (1) | DE102014214899A1 (ja) |
WO (1) | WO2016015915A1 (ja) |
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US10985373B2 (en) * | 2017-02-27 | 2021-04-20 | Global Graphene Group, Inc. | Lithium battery cathode and method of manufacturing |
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US9077039B2 (en) * | 2009-05-18 | 2015-07-07 | The Regents Of The University Of California | Electronically conductive polymer binder for lithium-ion battery electrode |
WO2010135248A1 (en) * | 2009-05-18 | 2010-11-25 | The Regents Of The University Of California | Electronically conductive polymer binder for lithium-ion battery electrode |
DE102009034799A1 (de) * | 2009-07-25 | 2011-01-27 | Evonik Degussa Gmbh | Beschichtungsverfahren zur Herstellung von Elektroden für elektrische Energiespeicher |
WO2011153105A1 (en) * | 2010-06-02 | 2011-12-08 | The Regents Of The University Of California | Si composite electrode with li metal doping for advanced lithium-ion battery |
CA2871366C (en) * | 2012-04-26 | 2021-09-07 | Rockwood Lithium GmbH | 1.5-3-v lithium batteries with overcharge protection |
-
2014
- 2014-07-30 DE DE102014214899.5A patent/DE102014214899A1/de not_active Ceased
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2015
- 2015-06-16 EP EP15729180.8A patent/EP3175501B1/de active Active
- 2015-06-16 WO PCT/EP2015/063461 patent/WO2016015915A1/de active Application Filing
- 2015-06-16 CN CN201580019379.3A patent/CN106165159A/zh active Pending
- 2015-06-16 JP JP2016565457A patent/JP6357544B2/ja active Active
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2017
- 2017-01-27 US US15/417,285 patent/US20170141399A1/en not_active Abandoned
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WO2016015915A1 (de) | 2016-02-04 |
US20170141399A1 (en) | 2017-05-18 |
JP2017515278A (ja) | 2017-06-08 |
EP3175501A1 (de) | 2017-06-07 |
DE102014214899A1 (de) | 2016-02-04 |
CN106165159A (zh) | 2016-11-23 |
EP3175501B1 (de) | 2021-03-24 |
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