Hydrolysis Batteries: Generating Electrical Energy during Hydrogen Absorption,Angewandte Chemie International Edition

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Hydrolysis Batteries: Generating Electrical Energy during Hydrogen Absorption
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2018-01-12 , DOI: 10.1002/anie.201711666
Rui Xiao ₁ , Jun Chen ₁ , Kai Fu ₁ , Xinyao Zheng ₁ , Teng Wang ₁ , Jie Zheng ₁ , Xingguo Li ₁

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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 8–15 % of the thermal energy of the hydrolysis reaction into usable electrical energy, leading to much higher energy efficiency compared to that of direct hydrolysis.

中文翻译：

水解电池：在氢吸收过程中产生电能

铝的水解反应可通过将铝箔与Pd封端的二氧化钇（YH ₂ –Pd）电极配对而解耦到电池中。该水解电池产生约0.45V的电压，并导致氢吸收到YH ₂层中。这代表了一种新的氢吸收机理，其特征在于在氢吸收过程中产生电能。水解电池将水解反应的8-15％的热能转化为可用的电能，与直接水解相比，能效更高。

更新日期：2018-01-12

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