CN109643810A - 燃料电池的阴极结构 - Google Patents

燃料电池的阴极结构 Download PDF

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Publication number
CN109643810A
CN109643810A CN201780034756.XA CN201780034756A CN109643810A CN 109643810 A CN109643810 A CN 109643810A CN 201780034756 A CN201780034756 A CN 201780034756A CN 109643810 A CN109643810 A CN 109643810A
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Prior art keywords
cathode
fuel cell
area
air penetrability
cooling fluid
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顾志军
阿瑟·科施恩
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Haisheng hydrogen Automobile Co.,Ltd.
Jiangsu Horizon New Energy Technologies Co Ltd
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Jiangsu Horizon New Energy Technologies Co Ltd
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Publication of CN109643810A publication Critical patent/CN109643810A/zh
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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
    • H01M4/96—Carbon-based electrodes
    • 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
    • H01M4/8605—Porous electrodes
    • H01M4/861—Porous electrodes with a gradient in the porosity
    • 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
    • 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
    • H01M4/88—Processes of manufacture
    • H01M4/8803—Supports for the deposition of the catalytic active composition
    • H01M4/8807—Gas diffusion layers
    • 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
    • H01M4/88—Processes of manufacture
    • H01M4/8825—Methods for deposition of the catalytic active composition
    • H01M4/886—Powder spraying, e.g. wet or dry powder spraying, plasma spraying
    • 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
    • H01M4/9008—Organic or organo-metallic compounds
    • 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
    • H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
    • H01M4/9083—Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
    • 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]
    • 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
    • H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
    • H01M2004/8689—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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fuel Cell (AREA)
  • Inert Electrodes (AREA)

Abstract

一种燃料电池的阴极结构，包括阴极扩散层(2)，所述阴极扩散层(2)的周围设有透气率调节结构，所述透气率调节结构的阴极透气率沿流体流动方向逐步变化。该燃料电池的阴极结构，通过在阴极扩散层(2)的周围设置阴极透气率变化的透气率调节结构，巧妙地补偿了温度、湿度不同所引起的差异，从而改善了燃料电池的阴极结构内积水或脱水问题，有效地提高了燃料电池的水管理。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201780034756.XA 2017-05-25 2017-05-25 燃料电池的阴极结构 Pending CN109643810A (zh)

Applications Claiming Priority (1)

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PCT/CN2017/085899 WO2018214098A1 (zh) 2017-05-25 2017-05-25 燃料电池的阴极结构

Publications (1)

Publication Number Publication Date
CN109643810A true CN109643810A (zh) 2019-04-16

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CN201780034756.XA Pending CN109643810A (zh) 2017-05-25 2017-05-25 燃料电池的阴极结构

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US (1) US20210210767A1 (zh)
CN (1) CN109643810A (zh)
WO (1) WO2018214098A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114678540A (zh) * 2022-03-29 2022-06-28 重庆创新燃料电池技术产业研究院有限公司 一种燃料电池阴极扩散层和膜电极二合一高效制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135326A (ja) * 1999-11-05 2001-05-18 Fuji Electric Co Ltd 固体高分子電解質型燃料電池および同スタック
CN1823443A (zh) * 2003-06-10 2006-08-23 百拉得动力系统公司 具有不均匀渗透性的流体分配层的电化学燃料电池
CN102089911A (zh) * 2008-07-15 2011-06-08 戴姆勒股份公司 用于燃料电池布置结构的、尤其用于布置在两个相邻的膜电极布置结构之间的双极性板
CN105917506A (zh) * 2014-01-16 2016-08-31 奥迪股份公司 具有多种密度的燃料电池微孔层

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1309109C (zh) * 2005-03-23 2007-04-04 武汉理工大学 一种燃料电池用气体扩散层及其制备方法
CN102456891B (zh) * 2010-10-29 2014-07-23 中国科学院大连化学物理研究所 一种具有梯度孔结构的气体扩散层及其制备和应用

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135326A (ja) * 1999-11-05 2001-05-18 Fuji Electric Co Ltd 固体高分子電解質型燃料電池および同スタック
CN1823443A (zh) * 2003-06-10 2006-08-23 百拉得动力系统公司 具有不均匀渗透性的流体分配层的电化学燃料电池
CN102089911A (zh) * 2008-07-15 2011-06-08 戴姆勒股份公司 用于燃料电池布置结构的、尤其用于布置在两个相邻的膜电极布置结构之间的双极性板
CN105917506A (zh) * 2014-01-16 2016-08-31 奥迪股份公司 具有多种密度的燃料电池微孔层

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114678540A (zh) * 2022-03-29 2022-06-28 重庆创新燃料电池技术产业研究院有限公司 一种燃料电池阴极扩散层和膜电极二合一高效制备方法
CN114678540B (zh) * 2022-03-29 2024-01-09 重庆创新燃料电池技术产业研究院有限公司 一种燃料电池阴极扩散层和膜电极二合一高效制备方法

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US20210210767A1 (en) 2021-07-08

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Application publication date: 20190416