Abstract:Subzero cold-starts are one of the last remaining challenges to the commercialization of automotive fuel cells. The ultimate cold-start target is to exothermically self-start a fuel cell stack from −20 °C to attain 50% rated power within 30 s, expending only 5 MJ of start-up/shutdown power—currently unattainable with today’s materials, thus exacerbating the performance gap of future advanced materials. There exists a disconnect between published subzero isothermal water fill test results and industrially relev… Show more
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