TOKYO (Nikkei)–A research team led by Rohm Co. (6963) announced Tuesday that it has developed a portable hydrogen-powered fuel cell that is lightweight, inexpensive and safe, aiming for commercialization by next spring.
- Power your smartphone with hydrogen.
The team, which also includes Kyoto University and fuel-cell start-up Aquafairy Corp., has devised a hydrogen generator that uses a sheet of calcium compound solidified by resin. It generates 4.5 liters of hydrogen from 3 grams of calcium compound through a chemical reaction with water.
Combined with the polymer electrolyte power generation technology, the fuel cell can produce 5 watt-hours of electricity, enough to charge a smartphone in two hours.
The team plans to commercialize a credit card-sized smartphone charger that weighs less than 100 grams as well as a 200-watt portable generator to be used for emergencies.
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