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Chementator Briefs

By Edited by Gerald Ondrey |

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Carbon catalyst

A carbon-alloy catalyst developed by Nisshinbo Holdings Inc. (Tokyo, Japan; www.nisshinbo.co.jp) has been incorporated into a commercial fuel-cell stack of Ballard Power Systems Inc. (Brurnaby, B.C., Canada, www.ballard.com) as a replacement for platinum catalyst. This marks the first application of a non-Pt catalyst in an electrode of a polymer electrolyte fuel cell (PEFC). Ballard plans the commercial launch of the 30-W fuel cell stack at the end of this year. The device has the power capable of charging six smartphones, and can be used as a power source for lightweight and portable devices.

 Nisshinbo’s catalyst was developed in collaboration with professor Junichi Ozaki at Gunma University in 2006, and subsequently optimized by Nisshinbo. By using this carbon alloy catalyst in the air electrodes of the PEFC and Pt catalyst in the hydrogen electrode of the PEFC, Ballard was able to reduce the amount of Pt required by around 80%.

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