Surya Prakash’s group at USC under programs sponsored by DARPA. Narayan as a collaborative effort between his team at NASA-JPL and Prof. This concept of the direct methanol fuel cell was developed by Prof. As electricity is generated, the methanol is oxidized to carbon dioxide at the negative electrode while oxygen is reduced to water at the positive electrode and protons are conducted across the membrane. ![]() In a “direct” methanol fuel cell a solution of methanol dissolved in water (approximately 3 wt %) is circulated past the negative electrode, while oxygen is flown past the positive electrode. The fuel cell consists of two catalytic electrodes separated by a proton-exchange membrane. In such a fuel cell, the oxidation of methanol and the reduction of oxygen occur at the negative and positive electrodes of the fuel cell respectively. ![]() ![]() However, when methanol is combined with oxygen in a fuel cell, a large fraction of the energy content of methanol may be released as electricity with some amount of heat. Methanol is a high-energy fuel that can be combusted with oxygen to generate 4800 Wh of heat per kilogram of methanol.
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