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Energy research: Economizing on iridium

Iridium is an ideal catalyst for the electrolytic production of hydrogen from water -- but it is extremely expensive. But now a new kind of electrode made of highly porous material does an excellent job with just a hint of iridium.

from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/11/191120131325.htm
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