Structures and methods of manufacture for gas diffusion electrodes and
electrode components
    1.
    发明授权
    Structures and methods of manufacture for gas diffusion electrodes and electrode components 有权
    气体扩散电极和电极组件的制造结构和方法

    公开(公告)号:US6103077A

    公开(公告)日:2000-08-15

    申请号:US184089

    申请日:1998-10-30

    摘要: Gas Diffusion Electrodes (GDES) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid electrolyte systems such as phosphoric acid and alkaline fuel cells, and are commercially manufactured by hand or in a batch process. However, GDEs using the new electrolytes such as conductive polymer membranes demand improved electrode structures.This invention pertains to GDEs and gas diffusion media with new structures for systems using membrane electrode assemblies (MEAs), and automated methods of manufacture that lend themselves to continuous mass production Unexpected improvements in gas and vapor transport through the electrode are realized by incorporating a new dispersion process in the construction, reformulating the applied mix with solution additives, and creating a novel coating structure on a conductive web. Furthermore, combining these changes with a judicious choice in coating methodology allows one to produce these materials in a continuous, automated fashion.

    摘要翻译: 气体扩散电极(GDES)在清洁能源生产以及电化学过程和传感器中起着关键作用。 这些耗气电极通常设计用于诸如磷酸和碱性燃料电池的液体电解质系统,并且可以手工或间歇工艺制造。 然而,使用新型电解质如导电聚合物膜的GDE需要改进电极结构。 本发明涉及具有用于使用膜电极组件(MEA)的系统的新结构的GDE和气体扩散介质,以及适用于连续大规模生产的自动化制造方法。通过并入新的电极来实现气体和蒸气传输的意外改进 在施工中的分散过程,用溶液添加剂重新配制施用的混合物,并在导电网上形成新颖的涂层结构。 此外,将这些变化与涂层方法的明智选择相结合,可以以连续,自动化的方式生产这些材料。

    Structures and methods of manufacture for gas diffusion electrodes and electrode components
    2.
    发明授权
    Structures and methods of manufacture for gas diffusion electrodes and electrode components 有权
    气体扩散电极和电极组件的制造结构和方法

    公开(公告)号:US06444602B1

    公开(公告)日:2002-09-03

    申请号:US09715458

    申请日:2000-11-14

    IPC分类号: H01M488

    摘要: Gas Diffusion Electrodes (GDEs) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid electrolyte systems such as phosphoric acid and alkaline fuel cells, and are commercially manufactured by hand or in a batch process. However, GDEs using the new electrolytes such as conductive polymer membranes demand improved electrode structures. This invention pertains to GDEs and gas diffusion media with new structures for systems using membrane electrode assemblies (MEAs), and automated methods of manufacture that lend themselves to continuous mass production. Unexpected improvements in gas and vapor transport through the electrode are realized by incorporating a new dispersion process in the construction, reformulating the applied mix with solution additives, and creating a novel coating structure on a conductive web. Furthermore, combining these changes with a judicious choice in coating methodology allows one to produce these materials in a continuous automated fashion.

    摘要翻译: 气体扩散电极(GDEs)在清洁能源生产以及电化学过程和传感器方面发挥关键作用。 这些耗气电极通常设计用于诸如磷酸和碱性燃料电池的液体电解质系统,并且可以手工或间歇工艺制造。 然而,使用诸如导电聚合物膜的新电解质的GDE需要改进的电极结构。本发明涉及具有用于使用膜电极组件(MEA)的系统的新结构的GDE和气体扩散介质,以及适用于连续质量的自动化制造方法 生产。 通过在结构中引入新的分散方法,用溶液添加剂重新配制施用的混合物,并在导电网上形成新的涂层结构,可以实现通过电极的气体和蒸汽输送的意想不到的改进。 此外,将这些变化与涂层方法的明智选择结合起来,可以以连续的自动化方式生产这些材料。

    Structures and methods of manufacture for gas diffusion electrodes and electrode components
    3.
    发明授权
    Structures and methods of manufacture for gas diffusion electrodes and electrode components 有权
    气体扩散电极和电极组件的制造结构和方法

    公开(公告)号:US06368476B1

    公开(公告)日:2002-04-09

    申请号:US09585124

    申请日:2000-06-01

    IPC分类号: C25B1100

    摘要: Gas Diffusion Electrodes (GDEs) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid electrolyte systems, and are commercially manufactured by hand or in a batch process. However, CDEs using the new electrolytes demand improved electrode structures. This invention pertains to GDEs and gas diffusion media with new structures for systems using membrane electrode assemblies (MEAs), and automated methods of manufacture that lend themselves to continuous mass production. Unexpected improvements in gas and vapor transport through the electrode are realized by incorporating a new dispersion process in the construction, reformulating the applied mix with solution additives, and creating a novel coating structure on a conductive web. Furthermore, combining these changes with a judicious choice in coating methodology allows one to produce these materials in a continuous, automated fashion.

    摘要翻译: 气体扩散电极(GDEs)在清洁能源生产以及电化学过程和传感器方面发挥关键作用。 这些耗气电极通常被设计用于液体电解质系统,并且是通过手工或间歇工艺商业制造的。 然而,使用新电解质的CDE需要改进的电极结构。 本发明涉及具有用于使用膜电极组件(MEA)的系统的新结构的GDE和气体扩散介质以及适于连续批量生产的自动化制造方法。 通过在结构中引入新的分散方法,用溶液添加剂重新配制施用的混合物,并在导电网上形成新的涂层结构,可以实现通过电极的气体和蒸汽输送的意想不到的改进。 此外,将这些变化与涂层方法的明智选择相结合,可以以连续,自动化的方式生产这些材料。