Abstract

The mechanism and kinetics of the ultrafast hydrogen failure of thermoelectric materials in electrochemical cells during water electrolysis (T = 300 K) are studied. The effect is explained by the “gas” failure caused by the penetration of nonequilibrium hydrogen into the material volume followed by molization (2H⁺ + 2e^– → H₂) at lattice defects, which is substantially accelerated due to the fast combined (“chemical”) diffusion of H⁺ protons and e^– band electrons in the material.

中文翻译：

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水电解过程中热电材料氢失效的机理和动力学

摘要

研究了水电解过程中（T = 300 K）电化学电池中热电材料超快速氢失效的机理和动力学。造成这种现象的原因是“气体”失效，这种失效是由于非平衡氢渗透到材料体积中，然后在晶格缺陷处发生了汽化（2H ⁺  + 2e ^– →H ₂），由于快速结合（“化学” “）H的扩散⁺质子和电子^-带中的电子在材料中。