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    • 4. 发明申请
    • FUEL CELL
    • 燃料电池
    • US20100233572A1
    • 2010-09-16
    • US12679439
    • 2008-09-02
    • Akira YajimaJun Momma
    • Akira YajimaJun Momma
    • H01M8/10
    • H01M8/04007H01M8/04067H01M8/04201H01M8/1004H01M8/1011H01M2250/30Y02B90/18Y02E60/523
    • The present invention relates to a fuel cell including: a membrane electrode assembly 10 having an electrolyte membrane 17 sandwiched by a fuel electrode 13 and an air electrode 16; a fuel supply part 43 disposed on the fuel electrode side of the membrane electrode assembly to supply a fuel to the fuel electrode 13; a fuel storage part 41 storing the fuel; and a fuel channel 44 leading the fuel stored in the fuel storage part to the fuel supply part. Since a fuel cell can generate electricity for a long time by being continuously supplied with a fuel, the fuel cell serves as a system advantageous as a power source of a portable electronic device such as a portable phone if it can be made compact. Here, if a user keeps touching a high-temperature portion of the fuel cell, he/she may suffer from low-temperature burn or the like, and therefore, some measure such as providing a heat insulator is necessary, but sufficient heat insulation results in excessively large weight and volume, which leads to a problem that the fuel cell is not suitable as a power source of a portable electronic device. The present invention solves the above problem by the structure in which the fuel channel 44 in the fuel cell is formed as a channel heating the fuel by heat generated in the air electrode and leading the heated fuel to the fuel supply part.
    • 燃料电池技术领域本发明涉及一种燃料电池,其特征在于,包括:具有由燃料电极13和空气电极16夹持的电解质膜17的膜电极接合体10, 燃料供给部43,设置在所述膜电极接合体的燃料电极侧,向所述燃料电极13供给燃料; 存储燃料的燃料储存部41; 以及燃料通道44,其将存储在燃料存储部分中的燃料引导到燃料供应部分。 由于燃料电池可以通过连续供给燃料而长时间地发电,因此如果可以使其小型化,则燃料电池充当诸如便携式电话的便携式电子设备的电源的有利系统。 这里,如果用户保持接触燃料电池的高温部分,则他/她可能遭受低温烧伤等,因此需要诸如提供隔热材料的某些措施,但是足够的隔热结果 在过大的重量和体积上,这导致燃料电池不适合作为便携式电子设备的电源的问题。 本发明通过燃料电池中的燃料通道44形成为通过在空气电极中产生的热量加热燃料的通道并将加热的燃料引导到燃料供给部的结构来解决上述问题。