MTI Micro have been putting their Mobion fuel cell through it’s paces, in testing intended to demonstrate just how much improved the technology is over current Li-Ion power packs. A lab test version of the fuel-cell lasted 2,700 hours of continuous use, with further tests suggesting power degradation of less than 15-percent.
Canon have filed a patent that describes a compact fuel-cell system primarily intended for DSLR cameras but that has potential for inclusion in other portable electronics. The filing details the company’s solution to dealing with variances in load currents, an issue in applications such as DSLRs where sudden surges in power draw are frequent. It uses a number of individual fuel cells combined, with a DC-DC converter that combines the voltages as required.
MTI Micro are demonstrating the latest version of their portable fuel-cell technology, in the shape of a GPS reference design prototype. Powered by the company’s Mobion fuel-cell, which relies on easily exchangeable methanol packs, MTI Micro are claiming the system provides up to three times as much energy as in a typical GPS with four AA batteries. In the case of this particular design, one fuel-cell manages up to 60 hours of continuous use.
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