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PEDOT‐Cellulose Gas Diffusion Electrodes for Disposable Fuel Cells

机译：PEDOT纤维素应承担的气体扩散电极一次性的燃料电池

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The mass implementation of renewable energy sources is limited by the lack of energy storage solutions operating on various timescales. Electrochemical technologies such as supercapacitors and batteries cannot handle long storage time because of self‐discharge issues. The combination of fuel storage technology and fuel cells is an attractive solution for long storage times. In that context, large‐scale fuel cell solutions are required for massive energy storage in cities, which leads to possible concepts such as low‐cost disposable fully organic membrane assemblies in fuel cells to avoid regeneration of expensive poisoned electrodes. Here, the formation of an organic gas diffusion electrode (GDE) fabricated by paper‐making production, combined with in situ polymerization is demonstrated for the first time. Cellulose is used as a 3D scaffold functionalized with poly(3,4‐ethylenedioxythiophene) (PEDOT) serving as both an electrical conductor and an electrocatalyst of high efficiency for the oxygen reduction reaction. The PEDOT‐cellulose porous GDE is implemented in a membrane assembly and demonstrated in a H2‐O2 fuel cell. The demonstration of low‐cost material/manufacturing that is environmentally friendly is a paradigm shift in the development of fuel cells for a sustainable society.
机译：可再生能源的大规模实现受限于缺乏能源存储解决方案操作在不同的时间尺度。电化学技术,如超级电容器和电池不能处理存储时间,因为自我放电问题。燃料存储技术的结合燃料电池是一个有吸引力的长期解决方案存储时间。电池解决方案所需的巨大能量存储在城市,导致可能的地理概念,如低成本一次性完全有机膜在燃料电池组件避免昂贵的毒害的再生电极。扩散电极(GDE)捏造纸量生产,结合原位聚合是第一个证明时间。携带聚(3、4必经ethylenedioxythiophene) (PEDOT)服务作为一个电导体和一个electrocatalyst效率高的氧气还原反应。GDE膜组装和实现在一个H2 O2燃料电池。演示的低成本材料/应承担的制造业环保是一个范例在燃料电池的发展转变可持续发展的社会。

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