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A High A High Efficiency PEFC System Development for Long-Range Cruising Autonomous Underwater Vehicles (LCAUVs)

2009; Institute of Physics; Volume: 17; Issue: 1 Linguagem: Inglês

10.1149/1.3142753

2151-2051

Hiroshi Yoshida, Tadahiro Hyakudome, Shojiro Ishibashi, Takao Sawa, Satoshi Tsukioka, Junichiro Tahara, Taro Aoki, Toshihiro Tani, Mitsuyoshi Iwata, Takuya Moriga,

Maritime Transport Emissions and Efficiency

Development of an underwater platform which travels and surveys across entire oceans for the research into the global change, ocean-trench earthquake, and biodiversity is addressed in Japan. The first prototype LCAUV powered by polymer electrolyte membrane fuel cell (PEFC) system named Urashima, which marked the world record of cruising distance of 317 km, had been developed since 1998. Key technology development including a fuel cell system for the second LCAUV started in 2007. A high efficiency PEFC developed by MHI for the LCAUV runs with 60 % of efficiency at an operation point. A function test for a new concept system, which consists of reduced auxiliary devices, using the PEFCs was made. The test results have positive outcomes.