ICCAS OpenIR
Effects of self-stress on the hydrogen absorption into palladium hydride electrodes of plate form under galvanostatic conditions
Zhang, WS; Zhang, ZL; Zhang, XW
1999-09-27
Source PublicationJOURNAL OF ELECTROANALYTICAL CHEMISTRY
ISSN0022-0728
Volume474Issue:2Pages:130-137
AbstractEffects of diffusion induced stress on the hydrogen absorption into plate form electrodes of beta-phase PdHx are discussed numerically based on the Volmer-Tafel route of the hydrogen evolution reaction, and thermodynamic considerations involving stress fields and non-ideal interactions of hydrogen in the electrode. It is found that the self-induced stresses enhance the absorption rate and may exceed the yield stress, especially when the thickness of the plate and/or charging current (or negative potential) increase. On the other hand, a plate with both sides exposed to electrolyte absorbs hydrogen more rapidly than that with only one side exposed to electrolyte under the same equivalent thickness and other conditions. Of course, the stresses developed in the former plate are always greater than those of the latter. (C) 1999 Elsevier Science S.A. All rights reserved.
KeywordPd Vertical Bar h Electrode Stress Diffusion Kinetics
Indexed BySCI
Language英语
WOS IDWOS:000083057400005
PublisherELSEVIER SCIENCE SA
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75326
Collection中国科学院化学研究所
Corresponding AuthorZhang, WS
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
2.Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
Recommended Citation
GB/T 7714
Zhang, WS,Zhang, ZL,Zhang, XW. Effects of self-stress on the hydrogen absorption into palladium hydride electrodes of plate form under galvanostatic conditions[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY,1999,474(2):130-137.
APA Zhang, WS,Zhang, ZL,&Zhang, XW.(1999).Effects of self-stress on the hydrogen absorption into palladium hydride electrodes of plate form under galvanostatic conditions.JOURNAL OF ELECTROANALYTICAL CHEMISTRY,474(2),130-137.
MLA Zhang, WS,et al."Effects of self-stress on the hydrogen absorption into palladium hydride electrodes of plate form under galvanostatic conditions".JOURNAL OF ELECTROANALYTICAL CHEMISTRY 474.2(1999):130-137.
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