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Scientists from Graduate School of Systems and Information Engineering at the University of Tsukuba introduced a new technique for detecting when a hydrogen fuel cell is experiencing reduced efficiency due to periods of excess or insufficient water. By using sensors that measure magnetic flux density, the amount of current generated can be monitored noninvasively, which can signal a problem. This work may lead to technology that can improve the reliability of fuel cells, while also significantly reducing the carbon footprint of cars.
As the search continues for ecofriendly transportation technologies to replace the internal…