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1. 发明申请

US20090042078A1 Surface-treated hydrocarbon-based polymer electrolyte membranes for direct oxidation fuel cells 审中-公开
标题翻译：用于直接氧化燃料电池的表面处理的烃基聚合物电解质膜
公开(公告)号：US20090042078A1
公开(公告)日：2009-02-12
申请号：US11889109
申请日：2007-08-09
申请人： Xinhuai Ye , Takashi Akiyama , Chao-Yang Wang
发明人： Xinhuai Ye , Takashi Akiyama , Chao-Yang Wang
IPC分类号： H01M8/10 , B05D1/18
CPC分类号： H01M8/1088 , C08J5/2287 , C08J2371/12 , C08J2381/08 , H01M8/1011 , H01M8/1023 , H01M8/1025 , H01M8/1027 , H01M8/1032 , H01M2300/0082 , Y02E60/523 , Y02P70/56
摘要： A proton (H+)-conducting hydrocarbon (HC)-based polymer electrolyte membrane (PEM) having first and second oppositely facing surfaces comprises a HC-based membrane with at least one perfluoropolymer incorporated on or within at least the first and second surfaces. A method for fabricating the PEM comprises surface treating a HC-based polymeric membrane sheet via immersion in an aqueous solution or dispersion of said at least one perfluoropolymer, followed by drying of the surface treated polymeric membrane sheet.
摘要翻译：具有第一和第二相对面的基于质子（H +）导电烃（HC）的聚合物电解质膜（PEM）包括至少一个全氟聚合物的至少一个全氟聚合物的至少第一和第二表面上的HC-基膜。制造PEM的方法包括通过浸入所述至少一种全氟聚合物的水溶液或分散体中，然后干燥表面处理的聚合物膜片来对HC基聚合物膜片进行表面处理。

2. 发明申请

US20100068592A1 Electrodes for use in hydrocarbon-based membrane electrode assemblies of direct oxidation fuel cells 审中-公开
标题翻译：用于直接氧化燃料电池的烃类膜电极组件中的电极
公开(公告)号：US20100068592A1
公开(公告)日：2010-03-18
申请号：US11889105
申请日：2007-08-09
申请人： Takashi Akiyama , Xinhuai Ye , Chao-Yang Wang
发明人： Takashi Akiyama , Xinhuai Ye , Chao-Yang Wang
IPC分类号： H01M8/10 , H01M4/00 , H01M4/88
CPC分类号： H01M8/1004 , H01M4/8605 , H01M8/0245 , H01M8/04197 , H01M8/1011 , H01M8/1013 , H01M8/1023 , H01M8/1025 , H01M8/1027 , H01M8/1034 , H01M8/1039 , H01M8/1053 , H01M8/1067 , H01M2300/0094 , Y02E60/522 , Y02E60/523
摘要： Electrodes for use in direct oxidation fuel cells (DOFCs) comprise, in sequence: an electrically conductive gas diffusion layer; a catalyst layer; and a proton-conducting layer. Membrane electrode assemblies (MEAs) comprise cathode and anode electrodes of such type sandwiching a proton conductive polymer electrolyte membrane (PEM), with the proton-conducting layer of the electrodes in contact with opposite surfaces of the PEM. Also disclosed is a method for fabricating the MEAs.
摘要翻译：用于直接氧化燃料电池（DOFC）的电极依次包括：导电气体扩散层; 催化剂层; 和质子传导层。膜电极组件（MEA）包括夹着质子传导聚合物电解质膜（PEM）的这种类型的阴极和阳极电极，电极的质子传导层与PEM的相对表面接触。还公开了一种用于制造MEA的方法。

3. 发明申请

US20090042091A1 Supported catalyst layers for direct oxidation fuel cells 审中-公开
标题翻译：用于直接氧化燃料电池的负载型催化剂层
公开(公告)号：US20090042091A1
公开(公告)日：2009-02-12
申请号：US11889102
申请日：2007-08-09
申请人： Xiaoming Huang , Xinhuai Ye , Chao-Yang Wang , Takashi Akiyama
发明人： Xiaoming Huang , Xinhuai Ye , Chao-Yang Wang , Takashi Akiyama
IPC分类号： H01M4/92 , B05D5/00 , C23F1/00
CPC分类号： H01M4/8605 , H01M4/8807 , H01M4/8814 , H01M4/8828 , H01M4/8878 , H01M4/8896 , H01M4/921 , H01M4/926 , H01M8/1007 , H01M8/1011 , H01M8/1023 , H01M8/1039 , Y02E60/523
摘要： A method of fabricating a supported catalyst layer for use in a fuel cell electrode, comprises sequential steps of: combining a fluid ink including a supported catalyst comprising at least one precious metal or alloy supported on particles of a support material, and a solution of at least one ionomeric polymer material, with at least one pore-forming material; forming a layer of the combined ink on a surface of a sheet of support material; hot pressing the layer; and treating the hot-pressed layer to remove pore-forming material to form a supported catalyst layer.
摘要翻译：制造用于燃料电池电极的载体催化剂层的方法包括以下顺序的步骤：将包含负载催化剂的流体油墨组合在一起，所述载体催化剂包含至少一种负载在载体材料颗粒上的贵金属或合金，以及在至少一种离聚物聚合物材料，具有至少一种造孔材料; 在支撑材料片的表面上形成组合的油墨层; 热压层; 并处理热压层以除去造孔材料以形成负载型催化剂层。

4. 发明申请

US20120214086A1 METHOD OF FABRICATING A POLYMER ELECTROLYTE MEMBRANE (PEM) 审中-公开
标题翻译：聚合物电解质膜（PEM）的制备方法
公开(公告)号：US20120214086A1
公开(公告)日：2012-08-23
申请号：US13453815
申请日：2012-04-23
申请人： Xinhuai YE , Takashi Akiyama , Chao-Yang Wang
发明人： Xinhuai YE , Takashi Akiyama , Chao-Yang Wang
IPC分类号： H01M8/10
CPC分类号： H01M8/1088 , C08J5/2287 , C08J2371/12 , C08J2381/08 , H01M8/1011 , H01M8/1023 , H01M8/1025 , H01M8/1027 , H01M8/1032 , H01M2300/0082 , Y02E60/523 , Y02P70/56
摘要： A proton (H+)-conducting hydrocarbon (HC)-based polymer electrolyte membrane (PEM) having first and second oppositely facing surfaces comprises a HC-based membrane with at least one perfluoropolymer incorporated on or within at least the first and second surfaces. A method for fabricating the PEM comprises surface treating a HC-based polymeric membrane sheet via immersion in an aqueous solution or dispersion of said at least one perfluoropolymer, followed by drying of the surface treated polymeric membrane sheet.
摘要翻译：具有第一和第二相对面的基于质子（H +）导电烃（HC）的聚合物电解质膜（PEM）包括至少一个全氟聚合物的至少一个全氟聚合物的至少第一和第二表面上的HC-基膜。制造PEM的方法包括通过浸入所述至少一种全氟聚合物的水溶液或分散体中，然后干燥表面处理的聚合物膜片来对HC基聚合物膜片进行表面处理。

5. 发明申请

US20110294025A1 SURFACE-TREATED HYDROCARBON-BASED POLYMER ELECTROLYTE MEMBRANES FOR DIRECT OXIDATION FUEL CELLS 审中-公开
标题翻译：用于直接氧化燃料电池的表面处理的基于碳氢化合物的聚合物电解质膜
公开(公告)号：US20110294025A1
公开(公告)日：2011-12-01
申请号：US13206290
申请日：2011-08-09
申请人： Xinhuai YE , Takashi Akiyama , Chao-Yang Wang
发明人： Xinhuai YE , Takashi Akiyama , Chao-Yang Wang
IPC分类号： H01M8/10 , H01M8/06 , H01M8/04
CPC分类号： H01M8/1088 , C08J5/2287 , C08J2371/12 , C08J2381/08 , H01M8/1011 , H01M8/1023 , H01M8/1025 , H01M8/1027 , H01M8/1032 , H01M2300/0082 , Y02E60/523 , Y02P70/56
摘要： A proton (H+)-conducting hydrocarbon (HC)-based polymer electrolyte membrane (PEM) having first and second oppositely facing surfaces comprises a HC-based membrane with at least one perfluoropolymer incorporated on or within at least the first and second surfaces. A method for fabricating the PEM comprises surface treating a HC-based polymeric membrane sheet via immersion in an aqueous solution or dispersion of said at least one perfluoropolymer, followed by drying of the surface treated polymeric membrane sheet.
摘要翻译：具有第一和第二相对面的基于质子（H +）导电烃（HC）的聚合物电解质膜（PEM）包括至少一个全氟聚合物的至少一个全氟聚合物的至少第一和第二表面上的HC-基膜。制造PEM的方法包括通过浸入所述至少一种全氟聚合物的水溶液或分散体中，然后干燥表面处理的聚合物膜片来对HC基聚合物膜片进行表面处理。

6. 发明申请

US20110200914A1 HIGH POWER DIRECT OXIDATION FUEL CELL 审中-公开
标题翻译：高功率直接氧化燃料电池
公开(公告)号：US20110200914A1
公开(公告)日：2011-08-18
申请号：US12706649
申请日：2010-02-16
申请人： Chao-Yang Wang , Yongjun Leng , Xiaoming Huang , Takashi Akiyama
发明人： Chao-Yang Wang , Yongjun Leng , Xiaoming Huang , Takashi Akiyama
IPC分类号： H01M4/02
CPC分类号： H01M8/1009 , H01M8/0245 , H01M8/04291 , H01M8/1004 , H01M8/1011 , Y02E60/523
摘要： A high power density direct oxidation fuel cell (DOFC) with comprising an anode electrode with a microporous layer (MPL) configured to alleviate cathode dryout and thus reduce electrode resistance in the cathode that interfaces with a hydrocarbon membrane. The MPL is configured to alleviate cathode dryout by comprising a fluoropolymer and an electrically conductive material, wherein the MPL is loaded with fluoropolymer in the range from about 10 to about 25 wt. %.
摘要翻译：一种高功率密度直接氧化燃料电池（DOFC），其包括具有微孔层（MPL）的阳极电极，其构造成减轻阴极干燥，从而降低与烃膜相接触的阴极中的电极电阻。 MPL被配置为通过包含含氟聚合物和导电材料来减轻阴极干燥，其中MPL装载在约10至约25重量％范围内的含氟聚合物。％。

7. 发明申请

US20110008691A1 DYNAMICALLY CONTROLLABLE DIRECT OXIDATION FUEL CELL SYSTEMS & METHODS THEREFOR 失效
标题翻译：动态可控直接氧化燃料电池系统及其方法
公开(公告)号：US20110008691A1
公开(公告)日：2011-01-13
申请号：US12837985
申请日：2010-07-16
申请人： Takashi AKIYAMA , Chao-Yang Wang
发明人： Takashi AKIYAMA , Chao-Yang Wang
IPC分类号： H01M8/06
CPC分类号： H01M8/04291 , H01M8/04186 , H01M8/1009 , H01M8/1011 , H01M8/2455 , Y02E60/523
摘要： A direct oxidation fuel cell (DOFC) system comprises at least one fuel cell assembly including a cathode and an anode with an electrolyte positioned therebetween; a source of liquid fuel in fluid communication with an anode inlet; an oxidant supply in fluid communication with a cathode inlet; a liquid/gas (L/G) separator in fluid communication with anode and cathode outlets for: (1) receiving unreacted fuel and liquid and gaseous products of electrochemical reactions at the cathode and anode, and (2) supplying the unreacted fuel and liquid product to the inlet of said anode; and a control and/or regulation system for determining a fuel efficiency value of the DOFC system during operation and determining and regulating and/or controlling oxidant stoichiometry of the DOFC system at an appropriate value in response to the determined fuel efficiency value.
摘要翻译：直接氧化燃料电池（DOFC）系统包括至少一个燃料电池组件，其包括阴极和阳极，电解质位于它们之间; 与阳极入口流体连通的液体燃料源; 与阴极入口流体连通的氧化剂供应源; 与阳极和阴极出口流体连通的液体/气体（L / G）分离器，用于：（1）在阴极和阳极处接收未反应的燃料和电化学反应的液体和气体产物，以及（2）供应未反应的燃料和液体产品到所述阳极的入口; 以及用于在操作期间确定DOFC系统的燃料效率值的控制和/或调节系统，并响应于所确定的燃料效率值，以适当的值确定和/或控制DOFC系统的氧化剂化学计量。

8. 发明授权

US08785070B2 Direct oxidation fuel cells with improved cathode gas diffusion media for low air stoichiometry operation 失效
标题翻译：直接氧化燃料电池具有改进的阴极气体扩散介质，用于低空气化学计量操作
公开(公告)号：US08785070B2
公开(公告)日：2014-07-22
申请号：US12722081
申请日：2010-03-11
申请人： Guoqiang Lu , Chao-Yang Wang , Takashi Akiyama
发明人： Guoqiang Lu , Chao-Yang Wang , Takashi Akiyama
IPC分类号： H01M8/24 , H01M8/00
CPC分类号： H01M4/8605 , H01M8/1007 , H01M8/1011 , H01M2004/8689 , Y02E60/523 , Y10S977/742
摘要： A cathode for use in a direct oxidation fuel cell (DOFC) comprises a gas diffusion medium (GDM) including a backing layer and a microporous layer comprising a fluoropolymer and an electrically conductive material, wherein loading of the fluoropolymer in the microporous layer is in the range from about 10 to about 60 wt. %. In use, a concentrated solution of a liquid fuel is supplied to an anode and an oxidant to the cathode of the fuel cell, and the fuel cell may be operated at a low oxidant stoichiometry ξc not greater than about 2.5.
摘要翻译：用于直接氧化燃料电池（DOFC）的阴极包括气体扩散介质（GDM），其包括背衬层和包含含氟聚合物和导电材料的微孔层，其中含氟聚合物在微孔层中的加载在范围为约10至约60wt。％。在使用中，将液体燃料的浓缩溶液供应到燃料电池的阴极的阳极和氧化剂，并且燃料电池可以以不大于约2.5的低氧化物化学计量运行。

9. 发明授权

US07776482B2 Dynamically controllable direct oxidation fuel cell systems and methods therefor 有权
标题翻译：动态可控直接氧化燃料电池系统及其方法
公开(公告)号：US07776482B2
公开(公告)日：2010-08-17
申请号：US11242910
申请日：2005-10-05
申请人： Takashi Akiyama , Chao-Yang Wang
发明人： Takashi Akiyama , Chao-Yang Wang
IPC分类号： H01M2/00
CPC分类号： H01M8/04291 , H01M8/04186 , H01M8/1009 , H01M8/1011 , H01M8/2455 , Y02E60/523
摘要： A direct oxidation fuel cell (DOFC) system comprises at least one fuel cell assembly including a cathode and an anode with an electrolyte positioned therebetween; a source of liquid fuel in fluid communication with an anode inlet; an oxidant supply in fluid communication with a cathode inlet; a liquid/gas (L/G) separator in fluid communication with anode and cathode outlets for: (1) receiving unreacted fuel and liquid and gaseous products of electrochemical reactions at the cathode and anode, and (2) supplying the unreacted fuel and liquid product to the inlet of said anode; and a control and/or regulation system for determining a fuel efficiency value of the DOFC system during operation and determining and regulating and/or controlling oxidant stoichiometry of the DOFC system at an appropriate value in response to the determined fuel efficiency value.
摘要翻译：直接氧化燃料电池（DOFC）系统包括至少一个燃料电池组件，其包括阴极和阳极，电解质位于它们之间; 与阳极入口流体连通的液体燃料源; 与阴极入口流体连通的氧化剂供应源; 与阳极和阴极出口流体连通的液体/气体（L / G）分离器，用于：（1）在阴极和阳极处接收未反应的燃料和电化学反应的液体和气体产物，以及（2）供应未反应的燃料和液体产品到所述阳极的入口; 以及用于在操作期间确定DOFC系统的燃料效率值的控制和/或调节系统，并响应于所确定的燃料效率值，以适当的值确定和/或控制DOFC系统的氧化剂化学计量。

10. 发明申请

US20070154777A1 Cathode electrodes for direct oxidation fuel cells and systems operating with concentrated liquid fuel at low oxidant stoichiometry 审中-公开
标题翻译：用于直接氧化燃料电池的阴极电极和以低氧化学计量浓缩液体燃料运行的系统
公开(公告)号：US20070154777A1
公开(公告)日：2007-07-05
申请号：US11325320
申请日：2006-01-05
申请人： Takashi Akiyama , Chao-Yang Wang
发明人： Takashi Akiyama , Chao-Yang Wang
IPC分类号： H01M4/94 , H01M4/88
CPC分类号： H01M8/1009 , H01M4/8668 , H01M4/8673 , H01M4/8807 , H01M4/8828 , H01M4/8882 , H01M8/0245 , H01M8/1011 , H01M2004/8689 , Y02E60/523
摘要： A cathode electrode for use in a fuel cell comprises, in sequence, a catalyst layer, a hydrophobic microporous layer (MPL), and a gas diffusion layer (GDL), wherein the MPL comprises a mixture of first and second hydrophobic materials having different melt viscosities. Also disclosed is a method for fabricating the hydrophobic microporous layer as part of a cathode electrode. The cathode electrode is particularly useful in direct oxidation fuel cells and systems, such as direct methanol fuel cells and systems operating with highly concentrated liquid fuel.
摘要翻译：用于燃料电池的阴极包括依次包括催化剂层，疏水性微孔层（MPL）和气体扩散层（GDL），其中MPL包括具有不同熔体的第一和第二疏水材料的混合物粘度。还公开了作为阴极电极的一部分制造疏水性微孔层的方法。阴极电极特别适用于直接氧化燃料电池和系统，如直接甲醇燃料电池和使用高浓缩液体燃料的系统。

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