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Zinc–air fuel cell, a potential candidate for alternative energy
Prabal Sapkota,Honggon Kim 한국공업화학회 2009 Journal of Industrial and Engineering Chemistry Vol.15 No.4
A zinc–air fuel cell (ZAFC), which generates electricity by the reaction between oxygen and zinc pallets in a liquid alkaline electrolyte, is a potential candidate for an alternative energy generator. It is efficient, completely renewable, and cheap in fabrication because precious metal catalysts are not necessary. In addition, it is environmentally benign because of producing solely recyclable zinc oxide without gas emission. It is applicable to portable, mobile, stationary, and military purposes. In spite of its high potential as an alternative power source, it is yet in a preliminary stage of commercialization because of a few uncertainties remained. This paper reviews the present status of the ZAFC technology and the problems to be overcome for further advancement toward the potential next-generation alternative energy.
Prabal Sapkota,김홍곤 한국공업화학회 2010 Journal of Industrial and Engineering Chemistry Vol.16 No.1
A zinc air fuel cell (ZAFC) of taper-end structure was designed andmanufactured with a polyamide-base engineering plastic. An air cathode with multiple layers of blended inexpensive metal oxides, MnO2 and CeO2, showed a remarkably stable electricity-generating performance even at high current density. A cheap thin Nylon filter was found as a potential candidate for the separator in ZAFC because of its high stability and durability in the alkali electrolyte and proper pore size.