期刊
SAE INTERNATIONAL JOURNAL OF ENGINES
卷 2, 期 1, 页码 955-959出版社
SAE INT
DOI: 10.4271/2009-01-1010
关键词
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Honda has succeeded in developing the new fuel cell (FC) vehicle designed into a dynamic, full-cabin sedan, the FCX Clarity, originating from the new V Flow FC platform. The key technology is V Flow FC Stack, featuring V Flow cell structure in which the fuel gases run from top to bottom vertically through the wave flow-channels. According to this unique structure, the fuel cell stack sits longitudinally along the center tunnel, and a Vertebral layout has emerged. The Vertebral layout results in Volume efficient package and low-floor platform. The V Flow FC stack has achieved a high output of 100kW and improved the output density with 50% by volume and 67% by mass, compared to the previous 2005 model. The V Flow cell structure utilizes gravity for water drainage and reduces the channel depth creating thinner cells. The wave-shaped vertical gas flow channel provides horizontal and more efficient coolant flow distribution allowing the reduction of the number of cooling layer. The thinner cells lead the conversion from the former two-box construction into one-box fitting efficiently into the center tunnel. The new V Flow FC Stack has made significant advances in the fuel cell stack technology.
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