JP2021502235A - 陽子交換膜燃料電池のための触媒担体上の超薄型電気化学触媒 - Google Patents
陽子交換膜燃料電池のための触媒担体上の超薄型電気化学触媒 Download PDFInfo
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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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
Description
本願は、その内容が、参照することによってそれらの全体として本明細書に組み込まれる、2017年11月9日に出願された、米国仮出願第62/583,973号の利益を主張する。
Claims (20)
- 担持触媒であって、
触媒担体と、
前記触媒担体を被覆する触媒の堆積物と
を備え、前記堆積物は、2nm以下の平均厚を有し、前記堆積物は、相互から離間される、担持触媒。 - 前記堆積物の平均厚は、1.8nm以下である、請求項1に記載の担持触媒。
- 前記堆積物の平均厚は、1.6nm以下である、請求項1に記載の担持触媒。
- 最近傍の隣接堆積物間の平均縁間距離は、10nm以下である、請求項1に記載の担持触媒。
- 最近傍の隣接堆積物間の平均縁間距離は、5nm以下である、請求項1に記載の担持触媒。
- 最近傍の隣接堆積物間の平均縁間距離は、3nm以下である、請求項1に記載の担持触媒。
- 前記堆積物の平均側方サイズは、20nm以下である、請求項1に記載の担持触媒。
- 前記堆積物の平均側方サイズは、10nm以下である、請求項1に記載の担持触媒。
- 前記堆積物の平均側方サイズは、5nm以下である、請求項1に記載の担持触媒。
- 前記堆積物の側方サイズ対厚さの比の観点からの平均アスペクト比は、1.5以上である、請求項1に記載の担持触媒。
- 前記堆積物の側方サイズ対厚さの比の観点からの平均アスペクト比は、1.8以上である、請求項1に記載の担持触媒。
- 前記堆積物の側方サイズ対厚さの比の観点からの平均アスペクト比は、2以上である、請求項1に記載の担持触媒。
- 平均側方サイズに対する前記堆積物の側方サイズの標準偏差は、100%以下である、請求項1に記載の担持触媒。
- 平均側方サイズに対する前記堆積物の側方サイズの標準偏差は、90%以下である、請求項1に記載の担持触媒。
- 平均側方サイズに対する前記堆積物の側方サイズの標準偏差は、80%以下である、請求項1に記載の担持触媒。
- 前記触媒担体は、炭素質担体である、請求項1に記載の担持触媒。
- 前記触媒担体は、炭素質ナノ粒子である、請求項1に記載の担持触媒。
- 前記触媒は、白金族金属を含む、請求項1に記載の担持触媒。
- 燃料電池のための膜電極アセンブリであって、前記膜電極アセンブリは、高分子イオン伝導性膜と、前記高分子イオン伝導性膜に隣接する電気触媒層とを備え、前記電気触媒層は、請求項1−18のいずれかに記載の前記担持触媒を含む、膜電極アセンブリ。
- 燃料電池であって、
カソード電気触媒層と、
アノード電気触媒層と、
前記カソード電気触媒層と前記アノード電気触媒層との間に配置される高分子イオン伝導性膜と
を備え、前記カソード電気触媒層または前記アノード電気触媒層のうちの少なくとも1つは、請求項1−18のいずれかに記載の前記担持触媒を含む、燃料電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762583973P | 2017-11-09 | 2017-11-09 | |
US62/583,973 | 2017-11-09 | ||
PCT/US2018/059672 WO2019094501A1 (en) | 2017-11-09 | 2018-11-07 | Ultrathin electrochemical catalysts on catalyst support for proton exchange membrane fuel cells |
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US20200343563A1 (en) | 2020-10-29 |
EP3707768A1 (en) | 2020-09-16 |
US11955646B2 (en) | 2024-04-09 |
JP7366892B2 (ja) | 2023-10-23 |
WO2019094501A1 (en) | 2019-05-16 |
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CN111373584A (zh) | 2020-07-03 |
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