The mechanism of suppressing capacity degradation of high-Al AB5-type hydrogen storage alloys at 60 °C
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- 作者：Wanhai Zhoua ; Zhewen Maa ; Chaoling Wua ; Ding Zhub ; Liwu Huanga ; Yungui Chena ; b ; ygchen60@aliyun.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Metal-hydride electrode ; High-temperature electrochemical ; Corrosion ; Dissolution ; Capacity loss
- 刊名：International Journal of Hydrogen Energy
- 出版年：2016
- 出版时间：21 January 2016
- 年：2016
- 卷：41
- 期：3
- 页码：1801-1810
- 全文大小：2313 K
文摘
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High-Al alloy has excellent cycling stability and storage property at 60 °C.
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Mechanism of suppressing capacity loss at 60 °C is investigated.
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Al substituting Ni improves anti-corrosion ability at higher temperature.
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Dissolution of La, Ce, Ni, Co, Mn and Si are suppressed by self-sacrifice of Al.
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Novel electrochemical impedance spectra model is proposed to study surface corrosion.