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    FUEL CELL MEMBRANE WITH CROSSOVER BARRIER
    1.
    发明申请
    FUEL CELL MEMBRANE WITH CROSSOVER BARRIER 审中-公开
    燃料电池膜与碎石机BARRIER

    公开(公告)号：US20150093684A1

    公开(公告)日：2015-04-02

    申请号：US14041153

    申请日：2013-09-30

    申请人： Nissan North America, Inc.

    发明人： Rameshwar Yadav ,  Gregory DiLeo

    IPC分类号： H01M8/04 ,  H01M8/10

    CPC分类号： H01M8/1004 ,  H01M4/8657 ,  H01M8/04197 ,  H01M8/1023 ,  H01M2008/1095 ,  H01M2300/0094 ,  Y02E60/521

    摘要： Embodiments of fuel cells and their membrane electrode assemblies are provided, as well as methods for preparing the membrane electrode assemblies. One embodiment of a membrane electrode assembly comprises an anode catalyst layer, a cathode catalyst layer, a polymer electrolyte membrane between the anode catalyst layer and the cathode catalyst layer and a gas barrier layer between the polymer electrolyte membrane and the anode catalyst layer. The gas barrier layer comprises a proton conductive material and is configured to prevent crossover of gas through the polymer electrolyte membrane to the cathode catalyst layer.

    摘要翻译： 提供燃料电池及其膜电极组件的实施例以及制备膜电极组件的方法。 膜电极组件的一个实施例包括阳极催化剂层，阴极催化剂层，阳极催化剂层和阴极催化剂层之间的聚合物电解质膜和聚合物电解质膜和阳极催化剂层之间的阻气层。 阻气层包括质子传导性材料，并且被构造成防止气体穿过聚合物电解质膜到阴极催化剂层的交叉。

    Systems and methods for electrochemical surface area retention using hydrogen crossover
    2.
    发明授权
    Systems and methods for electrochemical surface area retention using hydrogen crossover 有权
    使用氢交换技术的电化学表面积保留系统和方法

    公开(公告)号：US08568936B1

    公开(公告)日：2013-10-29

    申请号：US13658352

    申请日：2012-10-23

    申请人： Nissan North America, Inc.

    发明人： Rameshwar Yadav ,  Gregory DiLeo

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04559 ,  H01M8/04753

    摘要： Systems and methods for electrochemical surface area retention of fuel cell catalyst using hydrogen crossover are disclosed. One fuel cell system embodiment comprises a fuel cell including an anode having a fuel gas supply and a cathode having an air supply and a controller. The controller is configured to detect a high voltage condition in the fuel cell and increase hydrogen partial pressure in the cathode when the high voltage condition is detected.

    摘要翻译： 公开了使用氢交换器的燃料电池催化剂的电化学表面积保持的系统和方法。 一个燃料电池系统实施例包括燃料电池，其包括具有燃料气体供应的阳极和具有空气供应的阴极和控制器。 控制器被配置为当检测到高电压状况时，检测燃料电池中的高电压状况并增加阴极中的氢分压。

    Lithium sulfur battery cathode electrode surface treatment during discharge
    7.
    发明授权
    Lithium sulfur battery cathode electrode surface treatment during discharge 有权
    锂硫电池阴极电极表面处理放电

    公开(公告)号：US09379417B2

    公开(公告)日：2016-06-28

    申请号：US14171971

    申请日：2014-02-04

    申请人： Nissan North America, Inc.

    发明人： Nagappan Ramaswamy ,  Peter Aurora ,  Gregory DiLeo ,  Xiaoguang Hao ,  Taehee Han ,  Rameshwar Yadav ,  Ellazar Niangar ,  Kenzo Oshihara

    IPC分类号： H01M10/44 ,  H01M10/42 ,  H02J7/00 ,  H01M10/052

    CPC分类号： H01M10/44 ,  H01M10/052 ,  H01M10/42 ,  H01M10/4242 ,  H02J7/00 ,  H02J7/0063 ,  H02J2007/0067

    摘要： Methods and apparatus are provided for discharging a Li—S battery having at least one battery unit comprising a lithium-containing anode and a sulfur-containing cathode with an electrolyte layer there between. One method comprises electrochemically surface treating the sulfur-containing cathode during discharge of the battery. A method of electrochemically surface treating a cathode of a lithium-sulfide battery comprises applying at least one oxidative voltage pulse during a pulse application period while the lithium-sulfur battery discharges and controlling pulse characteristics during the pulse application period, the pulse characteristics configured to affect a morphology of lithium sulfide forming on the sulfur-containing cathode during discharge.

    摘要翻译： 提供了用于将具有至少一个包含含锂阳极和含硫阴极的电池单元的Li-S电池放电在其间具有电解质层的方法和装置。 一种方法包括在电池放电期间电化学表面处理含硫阴极。 电化学表面处理硫化锂电池的阴极的方法包括在脉冲施加期间施加至少一个氧化电压脉冲，同时在脉冲施加期间锂硫电池放电并控制脉冲特性，脉冲特性被配置为影响 在放电期间在含硫阴极上形成硫化锂的形态。