JP2019531587A - ドーパミン系単量体が表面重合された金属不織布電極及びこのための表面改質方法 - Google Patents
ドーパミン系単量体が表面重合された金属不織布電極及びこのための表面改質方法 Download PDFInfo
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- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
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- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
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- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 229940079889 pyrrolidonecarboxylic acid Drugs 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/0464—Electro organic synthesis
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- H—ELECTRICITY
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- 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
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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
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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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
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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
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/75—Wires, rods or strips
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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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/80—Porous plates, e.g. sintered carriers
- H01M4/806—Nonwoven fibrous fabric containing only fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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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- 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
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Abstract
Description
Claims (13)
- 3次元網目構造で形成され、親水性有機溶媒で表面処理された一つ以上の金属繊維;
前記金属繊維間に形成された空隙;及び
前記空隙と接する前記金属繊維の表面にコーティングされたドーパミン系重合体層;を含む金属不織布電極。 - 前記ドーパミン系重合体層上にコーティングされた水系スラリー層をさらに含む、請求項1に記載の金属不織布電極。
- 前記水系スラリー層は活物質、導電材及びバインダーを含む、請求項2に記載の金属不織布電極。
- a)電極用金属不織布を親水性有機溶媒で表面処理する段階と、
b)前記有機溶媒で表面処理された電極用金属不織布にドーパミン系単量体を表面重合する段階と、を含む金属不織布電極の表面改質方法。 - a)電極用金属不織布内部の金属繊維の表面を親水性有機溶媒で表面処理する段階と、
b)前記有機溶媒で表面処理された金属繊維の表面にドーパミン系単量体を表面重合する段階と、を含む、請求項4に記載の金属不織布電極の表面改質方法。 - 前記a)段階は、電極用金属不織布を親水性有機溶媒に浸漬する段階を含み、
前記b)段階は、前記電極用金属不織布が浸漬された前記有機溶媒にドーパミン系単量体コーティング液を混合する段階を含む、請求項5に記載の金属不織布電極の表面改質方法。 - 前記a)段階の有機溶媒と前記b)段階のドーパミン系単量体コーティング液との混合比は、有機溶媒100重量部に対してドーパミン系単量体コーティング液25重量部〜400重量部である、請求項6に記載の金属不織布電極の表面改質方法。
- 前記金属繊維は、鉄、銅、アルミニウム、マグネシウム、銀、金、ニッケル、スズ、パラジウム、白金、亜鉛及びインジウムから選ばれるいずれか一つ以上を含む金属又は金属合金である、請求項4に記載の金属不織布電極の表面改質方法。
- 前記有機溶媒はアルコールである、請求項4に記載の金属不織布電極の表面改質方法。
- 前記b)段階以後に、ドーパミン系単量体間の重合された自己重合粒子を除去する段階をさらに含む、請求項4に記載の金属不織布電極の表面改質方法。
- 前記b)段階でドーパミン系単量体が金属繊維の表面に表面重合されて形成されたドーパミン系重合体層の平均厚さは0.001μm〜0.05μmである、請求項4に記載の金属不織布電極の表面改質方法。
- c)金属繊維の表面に形成されたドーパミン系重合体層に水系スラリーをコーティングする段階をさらに含む、請求項4に記載の金属不織布電極の表面改質方法。
- 前記c)段階の水系スラリーは活物質、導電材及びバインダーを含む、請求項4に記載の金属不織布電極の表面改質方法。
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KR1020160134849A KR101861013B1 (ko) | 2016-10-18 | 2016-10-18 | 도파민계 단량체가 표면중합된 금속 부직포 전극 및 이를 위한 표면 개질 방법 |
KR10-2016-0134849 | 2016-10-18 | ||
PCT/KR2017/011236 WO2018074775A1 (ko) | 2016-10-18 | 2017-10-12 | 도파민계 단량체가 표면중합된 금속 부직포 전극 및 이를 위한 표면 개질 방법 |
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KR102703771B1 (ko) * | 2018-11-30 | 2024-09-04 | 삼성전기주식회사 | 표면처리용 조성물 및 이를 이용한 표면처리방법 |
CN112582565B (zh) * | 2019-09-27 | 2022-04-12 | Tcl科技集团股份有限公司 | 发光器件及其制备方法 |
CN112201791B (zh) * | 2020-10-23 | 2021-10-12 | 江苏大学 | 一种吸氧自愈合膜改善锂离子电池三元正极材料的方法 |
CN112831225B (zh) * | 2020-12-31 | 2022-05-06 | 北京元六鸿远电子科技股份有限公司 | 一种电极浆料封端预处理液、制备方法及使用方法 |
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