公开(公告)号：US07118822B2

公开(公告)日：2006-10-10

申请号：US10893424

申请日：2004-07-16

申请人： Jonathan C. Mallari ,  Suzanne M. Snyder ,  Vinh Chung ,  Slobodan Petrovic

发明人： Jonathan C. Mallari ,  Suzanne M. Snyder ,  Vinh Chung ,  Slobodan Petrovic

IPC分类号： H01M2/08 ,  H01M8/02 ,  H01M4/86

CPC分类号： H01M4/8803 ,  H01M4/8605 ,  H01M4/8626 ,  H01M8/0271 ,  H01M8/0284 ,  H01M8/1007 ,  H01M8/241

摘要： Disclosed herein are fuel cell systems and, more specifically, fuel cell electrode pair and stack assemblies and various methods relating thereto. In one embodiment, the present invention is directed to a fuel cell electrode pair assembly adapted for use with a fuel cell system, wherein the electrode pair assembly comprises an anode structure derived from a first silicon substrate and an opposing cathode structure derived from a second silicon substrate, wherein at least (i) the anode structure comprises one or more discrete anodic porous active regions disposed across a top surface, or (ii) the cathode structure comprises one or more discrete cathodic porous active regions disposed across a top surface, and wherein the anode structure and the cathode structure each have at least one adjoining support member made of silicon, one or more plastics, or one or more glasses, and wherein the at least one adjoining support member of the anode structure and the at least one adjoining support member of the cathode structure have interfacing surfaces that are bonded together with an optional interposing binding material and with at least one selectively positioned bond to thereby form a hermetic seal, wherein the at least one selectively positioned bond is selected from the group consisting of a silicon-metal eutectic-silicon bond, a silicon-frit-silicon bond, a silicon-metal-silicon microwave bond, a silicon-polymer adhesive-silicon bond, a silicon-polymer adhesive-plastic bond, a silicon-polymer adhesive-glass bond, or a silicon-glass anodic bond.

公开(公告)号：US06641948B1

公开(公告)日：2003-11-04

申请号：US09715830

申请日：2000-11-17

申请人： Leroy J. Ohlsen ,  Aaron M. Cooke ,  Jonathan C. Mallari ,  Chung M. Chan ,  Gordon L. Rice ,  Craig E. Nelson

发明人： Leroy J. Ohlsen ,  Aaron M. Cooke ,  Jonathan C. Mallari ,  Chung M. Chan ,  Gordon L. Rice ,  Craig E. Nelson

IPC分类号： H01M486

CPC分类号： H01M4/8605 ,  H01M4/8647 ,  H01M4/921 ,  H01M8/023 ,  H01M8/0245 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/1004 ,  H01M8/1011 ,  H01M8/2483 ,  Y02E60/523

摘要： Fuels cells, electrode assemblies, and electrodes that comprise silicon and/or sol-gel derived support structures, as well as to methods relating thereto, are disclosed herein. In one embodiment, the invention is directed to an electrode assembly adapted for use with a fuel cell comprises: an anode derived from a first planar silicon substrate; an electrolyte; a cathode derived from a second planar silicon substrate; wherein the anode and the cathode are parallel to each other and separated by an interstitial region comprising the electrolyte. In another embodiment, the invention is directed to electrode adapted for use with a fuel cell, wherein the electrode comprises a silicon substrate that functions as a current conductor, wherein the silicon substrate has a plurality of pores that define pore surfaces, wherein at least a portion of the pore surfaces have a catalyst thereon, wherein the catalyst is derived from one or more metallic precursors chemisorbed onto at least the pore surfaces.

摘要翻译： 本文公开了包含硅和/或溶胶 - 凝胶衍生的支撑结构的燃料电池，电极组件和电极以及与其相关的方法。 在一个实施例中，本发明涉及适用于燃料电池的电极组件，包括：源自第一平面硅衬底的阳极; 电解液 源自第二平面硅衬底的阴极; 其中阳极和阴极彼此平行并且由包含电解质的间隙区隔开。 在另一个实施例中，本发明涉及适用于燃料电池的电极，其中电极包括用作电流导体的硅衬底，其中硅衬底具有限定孔表面的多个孔，其中至少一个 孔表面的一部分在其上具有催化剂，其中催化剂衍生自化学吸附在至少孔表面上的一种或多种金属前体。

公开(公告)号：US06924058B2

公开(公告)日：2005-08-02

申请号：US09858327

申请日：2001-05-15

申请人： Leroy J. Ohlsen ,  Jonathan C. Mallari ,  Chung M. Chan ,  Aaron M. Cooke

发明人： Leroy J. Ohlsen ,  Jonathan C. Mallari ,  Chung M. Chan ,  Aaron M. Cooke

IPC分类号： H01M4/86 ,  H01M4/90 ,  H01M4/92 ,  H01M4/94 ,  H01M8/02 ,  H01M8/10

CPC分类号： H01M4/8605 ,  H01M4/8647 ,  H01M4/921 ,  H01M8/023 ,  H01M8/0245 ,  H01M8/0258 ,  H01M8/1004 ,  H01M8/1011 ,  Y02E60/523

摘要： Hydrodynamic transport and flow channel passage structures associated with fuel cell electrode structures and fuel cell electrode stack assemblies, as well as to methods relating thereto, are disclosed. More specifically, the present invention is directed to a novel fluid delivery and removal channel passage structures integrally associated with electrode structures adapted for use within a fuel cell system. In one embodiment, the fluid delivery and removal channel passage structure comprises: a fluid delivery channel disposed across a first face of a silicon-based electrode structure; a fluid removal channel disposed across a second face of the silicon-based electrode structure (wherein the second face opposes the first face); and a porous bulk matrix fluid transport layer interposed between the fluid delivery channel and the fluid removal channel, wherein the porous bulk matrix fluid transport layer is adapted to hydrodynamically flow a gas or liquid therethrough, and wherein the porous bulk matrix fluid transport layer is in fluid communication with the fluid delivery and the fluid removal channels.

摘要翻译： 公开了与燃料电池电极结构和燃料电池电极堆叠组件相关联的流体动力传输和流动通道通道结构以及与其相关的方法。 更具体地说，本发明涉及一种与适于在燃料电池系统内使用的电极结构整体相关联的新的流体输送和移除通道结构。 在一个实施例中，流体输送和移除通道结构包括：跨越硅基电极结构的第一面设置的流体输送通道; 设置在硅基电极结构的第二面上的流体去除通道（其中第二面与第一面相对）; 以及介于所述流体输送通道和所述流体移除通道之间的多孔整体基质流体输送层，其中所述多孔整体基质流体输送层适于使气体或液体流过其中流动地流动，并且其中所述多孔本体基质流体输送层处于 与流体输送和流体去除通道的流体连通。

公开(公告)号：US06808840B2

公开(公告)日：2004-10-26

申请号：US09839786

申请日：2001-04-19

申请人： Jonathan C. Mallari ,  Chung M. Chan

发明人： Jonathan C. Mallari ,  Chung M. Chan

IPC分类号： H01M486

CPC分类号： H01M8/1009 ,  H01M4/8626 ,  H01M4/8647 ,  H01M4/8673 ,  H01M4/8803 ,  H01M4/92 ,  Y02E60/523

摘要： The present invention is directed to silicon electrode structures and silicon electrode assemblies associated with fuel cell systems, as well as to methods relating thereto. In one embodiment, the present invention is directed to an electrode structure adapted for use with a fuel cell system such as, for example, a direct methanol fuel cell system. In this embodiment, the invention may be characterized in that the electrode structure comprises a silicon substrate having one or more selectively doped regions thereon, wherein each of the one or more selectively doped regions is adapted to function as a current collector for the transmission of an electrical current. In another embodiment, the electrode structure comprises a silicon substrate having one or more discrete porous bulk matrix regions disposed across a top surface, wherein each of the one or more discrete bulk matrix porous regions is defined by a plurality pores that extend into the silicon substrate, wherein the plurality of pores defines inner pore surfaces, and wherein the inner pores surfaces have catalyst particles uniformly dispersed thereon.

摘要翻译： 本发明涉及与燃料电池系统相关联的硅电极结构和硅电极组件，以及与之相关的方法。 在一个实施例中，本发明涉及适用于燃料电池系统的电极结构，例如直接甲醇燃料电池系统。 在该实施例中，本发明的特征在于，电极结构包括其上具有一个或多个选择性掺杂区域的硅衬底，其中一个或多个选择性掺杂区域中的每一个适于用作集电器，用于传输 电流。 在另一个实施例中，电极结构包括具有跨越顶表面设置的一个或多个离散的多孔整体矩阵区域的硅衬底，其中一个或多个离散体矩阵多孔区域中的每一个由延伸到硅衬底中的多个孔限定 ，其中所述多个孔限定内孔表面，并且其中所述内孔表面具有均匀分散在其上的催化剂颗粒。

公开(公告)号：US06720105B2

公开(公告)日：2004-04-13

申请号：US09839787

申请日：2001-04-19

申请人： Leroy J. Ohlsen ,  Aaron M. Cooke ,  Jonathan C. Mallari ,  Chung M. Chan

发明人： Leroy J. Ohlsen ,  Aaron M. Cooke ,  Jonathan C. Mallari ,  Chung M. Chan

IPC分类号： H01M486

CPC分类号： H01M4/8657 ,  H01M4/8605 ,  H01M4/925 ,  H01M8/1004 ,  Y02E60/523

摘要： Metallic blocking layers integrally associated with fuel cell electrode structures and fuel cell electrode stack assemblies, as well as to methods relating thereto, are disclosed herein. More specifically, the present invention is directed to a metallic blocking layer integrally associated with an electrode structure of a fuel cell system such as, for example, a direct methanol fuel cell system. In this embodiment, the invention may be characterized in that the electrode structure comprises an inorganic (i.e., noncarbonaceous) support substrate having one or more discrete porous regions, wherein the one or more discrete porous regions is defined by an array of acicular pores disposed across the top surface area of the electrode structure such that at least a portion of the blocking layer covers the top surface area and protrudes into the array of acicular pores. The blocking layer is preferably a substantially voidless metallic membrane that is substantially impermeable to at least methanol and is substantially permeable to hydrogen atoms.

摘要翻译： 与燃料电池电极结构和燃料电池电极堆叠组件一体地相关联的金属阻挡层以及与其相关的方法在本文中公开。 更具体地，本发明涉及与燃料电池系统的电极结构（例如直接甲醇燃料电池系统）整体相关联的金属阻挡层。 在该实施例中，本发明的特征在于电极结构包括具有一个或多个离散多孔区域的无机（即，非碳质）支撑衬底，其中所述一个或多个离散多孔区域由穿过的针状孔阵列限定 所述电极结构的顶表面积使得所述阻挡层的至少一部分覆盖所述顶表面区域并突出到所述针状孔阵列中。 阻挡层优选是基本上无空隙的金属膜，其基本上不可渗透到至少甲醇并且基本上可渗透氢原子。

公开(公告)号：US06811916B2

公开(公告)日：2004-11-02

申请号：US10147135

申请日：2002-05-15

申请人： Jonathan C. Mallari ,  Suzanne M. Snyder ,  Vinh Chung ,  Slobodan Petrovic

发明人： Jonathan C. Mallari ,  Suzanne M. Snyder ,  Vinh Chung ,  Slobodan Petrovic

IPC分类号： H01M208

CPC分类号： H01M4/8803 ,  H01M4/8605 ,  H01M4/8626 ,  H01M8/0271 ,  H01M8/0284 ,  H01M8/1007 ,  H01M8/241

摘要： Disclosed herein are fuel cell systems and, more specifically, fuel cell electrode pair and stack assemblies and various methods relating thereto. In one embodiment, the present invention is directed to a fuel cell electrode pair assembly adapted for use with a fuel cell system, wherein the electrode pair assembly comprises an anode structure derived from a first silicon substrate and an opposing cathode structure derived from a second silicon substrate, wherein at least (i) the anode structure comprises one or more discrete anodic porous active regions disposed across a top surface, or (ii) the cathode structure comprises one or more discrete cathodic porous active regions disposed across a top surface, and wherein the anode structure and the cathode structure each have at least one adjoining support member made of silicon, one or more plastics, or one or more glasses, and wherein the at least one adjoining support member of the anode structure and the at least one adjoining support member of the cathode structure have interfacing surfaces that are bonded together with an optional interposing binding material and with at least one selectively positioned bond to thereby form a hermetic seal, wherein the at least one selectively positioned bond is selected from the group consisting of a silicon-metal eutectic-silicon bond, a silicon-frit-silicon bond, a silicon-metal-silicon microwave bond, a silicon-polymer adhesive-silicon bond, a silicon-polymer adhesive-plastic bond, a silicon-polymer adhesive-glass bond, or a silicon-glass anodic bond.

摘要翻译： 本文公开了燃料电池系统，更具体地，燃料电池电极对和堆叠组件以及与其相关的各种方法。 在一个实施例中，本发明涉及适于与燃料电池系统一起使用的燃料电池电极对组件，其中电极对组件包括衍生自第一硅衬底的阳极结构和源自第二硅衬底的相对阴极结构 衬底，其中至少（i）所述阳极结构包括横跨顶表面设置的一个或多个离散的阳极多孔活性区，或（ii）所述阴极结构包括横跨顶表面设置的一个或多个离散阴极多孔活性区，并且其中 阳极结构和阴极结构各自具有由硅制成的至少一个邻接支撑构件，一个或多个塑料或一个或多个玻璃，并且其中阳极结构的至少一个邻接的支撑构件和至少一个邻接支撑件 阴极结构的构件具有用可选的插入结合材料和至少o结合在一起的接合表面 选择性地定位结合从而形成气密密封，其中所述至少一个选择性定位的键选自由硅 - 金属共晶硅键，硅 - 玻璃料 - 硅键，硅 - 金属 - 硅微波 键合，硅 - 聚合物粘合剂 - 硅键，硅 - 聚合物粘合 - 塑性键，硅 - 聚合物粘合剂 - 玻璃粘合或硅 - 玻璃阳极键。