Fuel cell employing local power generation when starting at low temperature
    71.
    发明授权
    Fuel cell employing local power generation when starting at low temperature 有权
    在低温启动时采用局部发电的燃料电池

    公开(公告)号:US07223490B2

    公开(公告)日:2007-05-29

    申请号:US10116603

    申请日:2002-04-04

    IPC分类号: H01M8/10 H01M8/12

    摘要: A fuel cell which can self-heat in a short time, in which no reaction gas is necessary for combustion, thereby improving the starting performance at low temperatures. The fuel cell comprises a cell structure in which an anode and a cathode are provided on either side of a solid polymer electrolyte membrane. This cell structure has a power generation plane and at least a part of the generation plane is defined as a local generation area so as to locally generate power. The fuel cell may include a pair of separators between which the cell structure is placed, and a reaction gas passage may be formed between the cell structure and each separator. One of a system for supplying a reaction gas to only a part of the reaction gas passage, and a system for supplying a reaction gas to the entire reaction gas passage is switchably selected.

    摘要翻译: 能够在短时间内自热的燃料电池,其中不需要反应气体用于燃烧,从而提高低温下的起动性能。 燃料电池包括其中在固体聚合物电解质膜的任一侧上设置阳极和阴极的电池结构。 该单元结构具有发电平面,并且将生成面的至少一部分定义为本地生成区域,以便局部地发电。 燃料电池可以包括其间放置有电池结构的一对隔板,并且可以在电池结构和每个隔板之间形成反应气体通道。 可以选择用于将反应气体仅供应到反应气体通道的一部分的系统和用于向整个反应气体通道供应反应气体的系统。

    Electrochemical cell systems comprising fuel consuming agents
    72.
    发明申请
    Electrochemical cell systems comprising fuel consuming agents 有权
    包含燃料消耗剂的电化学电池系统

    公开(公告)号:US20070048586A1

    公开(公告)日:2007-03-01

    申请号:US11585404

    申请日:2006-10-24

    申请人: Stuart Davis

    发明人: Stuart Davis

    IPC分类号: H01M8/02 B05D5/12

    摘要: Electrochemical cell systems are provided. In some implementations, the electrochemical cell system includes a fuel cell and a fuel cartridge connected to the fuel cell. The fuel cell includes (i) a fuel cell housing having a first external surface and a first internal surface defining a first internal volume of the fuel cell housing, and (ii) a cathode, and anode, and an electrolyte disposed within the first internal volume. The fuel cartridge includes (i) a cartridge housing having a second external surface and a second internal surface defining a second internal volume of the cartridge housing, wherein the second internal volume includes a fuel; and (ii) a fuel consuming agent disposed on at least one of the first external surface and the second external surface.

    摘要翻译: 提供电化学电池系统。 在一些实施方案中,电化学电池系统包括燃料电池和连接到燃料电池的燃料盒。 燃料电池包括(i)燃料电池壳体,其具有第一外表面和限定燃料电池壳体的第一内部体积的第一内表面,以及(ii)阴极和阳极以及设置在第一内部内部的电解质 卷。 燃料盒包括(i)具有第二外表面的盒壳体和限定盒壳体的第二内部容积的第二内表面,其中第二内部容积包括燃料; 和(ii)设置在所述第一外表面和所述第二外表面中的至少一个上的燃料消耗剂。

    LIGHTWEIGHT DIRECT METHANOL FUEL CELL AND SUPPORTING SYSTEMS
    73.
    发明申请
    LIGHTWEIGHT DIRECT METHANOL FUEL CELL AND SUPPORTING SYSTEMS 失效
    轻质直接甲醇燃料电池和支持系统

    公开(公告)号:US20070015035A1

    公开(公告)日:2007-01-18

    申请号:US10100672

    申请日:2002-03-18

    IPC分类号: H01M8/02 H01M8/10 H01M8/04

    摘要: A lightweight direct methanol fuel cell unit (20) comprising a fuel cell stack (24) enclosed within a housing (22). In one embodiment the fuel cell stack includes a plurality of polymer electrolyte membrane electrode assemblies (52) stacked alternatingly with a plurality of bipolar plates (48). Each bipolar plate includes a cathode flow field (78) defined by a porous cathode flow field structure (56) and an anode flow field (62) defined by an upper plate (58) and a lower plate (60) separated from one another by a plurality of spacers (64). The anode flow fields are manifolded with one another via manifold embossments (118, 120) that are hermetically sealed with one another with a gasket (126). The fuel cell stack and housing are shaped so as to form four manifold regions (36) in the spaces between the fuel cell stack and housing. The fuel cell stack is compressed within the housing by compression members (94) located between the fuel cell stack and housing so as to place the sidewall (30) of the housing into tension. Supporting systems for the fuel cell unit include a fuel handling system (502), an oxidant handling system (600), and a liquid inventory control system (700).

    摘要翻译: 一种轻质的直接甲醇燃料电池单元(20),其包括封装在壳体(22)内的燃料电池堆(24)。 在一个实施例中,燃料电池堆包括与多个双极板(48)交替堆叠的多个聚合物电解质膜电极组件(52)。 每个双极板包括由多孔阴极流场结构(56)限定的阴极流场(78)和由上板(58)和下板(60)限定的阳极流场(62),所述上板(58)和下板(60)通过 多个间隔件(64)。 阳极流场彼此通过通过垫片(126)彼此气密密封的歧管压花(118,120)彼此歧管。 燃料电池堆和壳体被成形为在燃料电池堆和壳体之间的空间中形成四个歧管区域(36)。 燃料电池堆通过位于燃料电池堆和壳体之间的压缩构件(94)在壳体内被压缩,以便将壳体的侧壁(30)放置在张力中。 燃料电池单元的支撑系统包括燃料处理系统(502),氧化剂处理系统(600)和液体库存控制系统(700)。

    Electrochemical cell system and method of operation
    74.
    发明授权
    Electrochemical cell system and method of operation 失效
    电化学电池系统及其运行方法

    公开(公告)号:US07153409B2

    公开(公告)日:2006-12-26

    申请号:US10456984

    申请日:2003-06-06

    IPC分类号: C25C1/02

    摘要: In one embodiment, the electrochemical system comprises an electrochemical cell and hydrogen storage in fluid communication with the hydrogen electrode, the hydrogen storage comprising at least one of carbon nanotubes and carbon nanofibers. In one embodiment, the method for operating an electrochemical cell system, comprises introducing water to an oxygen electrode and electrolyzing the water to form oxygen, hydrogen ions and electrons, wherein the hydrogen ions migrate to a hydrogen electrode. The hydrogen ions can then be reacted with the electrons to form hydrogen gas that is stored in at least one of carbon nanotubes and carbon nanofibers.

    摘要翻译: 在一个实施方案中,电化学系统包括与氢电极流体连通的电化学电池和氢存储,所述氢存储包含至少一种碳纳米管和碳纳米纤维。 在一个实施方案中,用于操作电化学电池系统的方法包括将水引入氧电极并电解水以形成氧,氢离子和电子,其中氢离子迁移到氢电极。 然后可以将氢离子与电子反应,形成储存在碳纳米管和碳纳米纤维中的至少一种中的氢气。

    Fuel cell configured with discharge passages that preheat fuel gas and prevent cross leakage
    75.
    发明授权
    Fuel cell configured with discharge passages that preheat fuel gas and prevent cross leakage 有权
    燃料电池配置有预热燃料气体并防止交叉泄漏的排放通道

    公开(公告)号:US07122267B2

    公开(公告)日:2006-10-17

    申请号:US10652800

    申请日:2003-08-28

    申请人: Tadashi Tsunoda

    发明人: Tadashi Tsunoda

    IPC分类号: H01M2/00

    摘要: Each of separators for sandwiching a plurality of electrolyte electrode assemblies includes a pair of plates. A fuel gas channel and an oxygen-containing gas channel are formed between the plates. A fuel gas supply hole extends through the separators for supplying a fuel gas, and discharge passages are formed around the fuel gas supply hole. The discharge passages extend through the separators for discharging an exhaust gas. The separator has a fuel gas distribution passage for connecting the fuel gas supply hole and the fuel gas channel.

    摘要翻译: 用于夹持多个电解质电极组件的每个隔板包括一对板。 燃料气体通道和含氧气体通道形成在板之间。 燃料气体供给孔延伸穿过用于供给燃料气体的分离器,并且在燃料气体供给孔周围形成排出通道。 排气通道延伸通过分离器排出废气。 分离器具有用于连接燃料气体供给孔和燃料气体通道的燃料气体分配通路。

    Fuel cell
    76.
    发明授权

    公开(公告)号:US07094491B2

    公开(公告)日:2006-08-22

    申请号:US10258381

    申请日:2002-02-12

    IPC分类号: H01M8/02

    摘要: The present invention relates to a fuel cell devised to uniformly distribute and supply a reformed gas (or an oxidant or a coolant) while minimizing the increase in parts number, without making the construction complicated. The present invention has a gist of providing a fuel cell 5, piling up, by way of separators, multiple cells 1, and providing, in the stack 2, inner manifolds for distributing (or supplying or discharging) to these cells 1 a fuel, an oxidant or a coolant, wherein: a cylindrical/tubular piercing member 4 is provided in at least one inner manifold 6, and a proper gap is provided between the piercing member 4 and an inner wall of the inner manifold 6. The reformed gas supplied to the inner manifold 6, before being distributed to each cell 1, is flow-regulated by the piercing member 4. Thus, the reformed gas is distributed uniformly to each cell 1, a stable power generation is done, and performance of the fuel cell can be improved.

    Integrated end-bus plate for fuel cell

    公开(公告)号:US20060141319A1

    公开(公告)日:2006-06-29

    申请号:US11027534

    申请日:2004-12-29

    IPC分类号: H01M8/02 H01M8/04 B29C45/14

    摘要: An integrated end-bus plate for fuel cell stack includes main plate body and a conducting plate. The main plate body is made of corrosion resistant and non-conducting material, which inner side has at least a contacting surface provided for flatly in contact with one side of the fuel cell unit attached adjacent to the main plate body. The conducting plate which is made of electro-conducting material is integrally attached to an inner side of the main plate body to form an integrated body for electrically communicating with the reaction region of the fuel cell unit. The integrated end-bus plate is designed to overcome the conventional drawbacks including the fluid leaking between the end plate and the bus plate and the formation of metallic ions due to the electrochemical corrosion of the bus plate that generally results in causing damages to the fuel cell.

    Fuel cell stack in a pressure vessel

    公开(公告)号:US07041410B2

    公开(公告)日:2006-05-09

    申请号:US10298799

    申请日:2002-11-19

    IPC分类号: H01M8/10

    摘要: Fuel cell stack in which anodes and cathodes, and preferably also the membrane separating these, are made of relatively brittle material. To prevent the risk of breakage, and thus leaks, these are enclosed with a tight fit in a pressure vessel and mechanical pressure is produced on raising the temperature. The pressure vessel is preferably of elongated construction and a number of fuel cells are arranged alongside one another. The opposite ends of the pressure vessel delimit compartments for the supply and removal of one of the reactants. The other reactant is supplied to the pressure vessel and removed therefrom close to the ends of the fuel cells.

    Fuel cell system heat recovery
    79.
    发明授权

    公开(公告)号:US07026065B2

    公开(公告)日:2006-04-11

    申请号:US10232431

    申请日:2002-08-30

    IPC分类号: H01M8/04 H01M8/06

    摘要: The invention provides a fuel cell incorporating a thermal management scheme and associated methods of operation. In one aspect, a fuel cell system includes a frame enclosing a fuel cell, a coolant flow circuit and a heat exchanger. The frame has at least one external panel mounted thereon to enclose the fuel cell, a coolant circuit and heat exchanger. The coolant flow circuit is adapted to circulate a coolant through the heat exchanger and across a surface of the fuel cell to provide heat transfer between the fuel cell and the heat exchanger. An inlet orifice and an outlet orifice are coupled to the frame and to the heat exchanger, and are adapted to provide an export flow circuit from the inlet orifice through the heat exchanger to the outlet orifice. An insulating material is fixed to a surface of the external panel.