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Wärme und Wasserstoff …… entstehen bei der Hydrolyse von Aluminium. In ihrer Zuschrift auf S. 2241 zeigen J. Zheng, X. Li und Mitarbeiter, dass die Hydrolysewärme in einer Batterie mit einer Aluminium‐ und einer Yttriumhydrid‐Elektrode in elektrische Energie umgewandelt werden kann. Die Hydrolysebatterie ist ein erstes Beispiel für kombinierte Stromerzeugung und Wasserstoffabsorption.
The hydrolysis reaction of aluminum can be decoupled into a battery by pairing an Al foil with a Pd‐capped yttrium dihydride (YH2–Pd) electrode. This hydrolysis battery generates a voltage around 0.45 V and leads to hydrogen absorption into the YH2 layer. This represents a new hydrogen absorption mechanism featuring electrical energy generation during hydrogen absorption. The hydrolysis battery converts...
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