Hydrogen storage and cyclic properties of V60Ti(21.4+x)Cr(6.6-x)Fe12 (0 ≤ x ≤ 3) alloys

被引：41

作者：

Wu, Chaoling ^{[1
]}

Zheng, Xin ^{[1
]}

Chen, Yungui ^{[1
]}

Tao, Mingda ^{[1
]}

Tong, Guirong ^{[1
]}

Zhou, Jingjing ^{[1
]}

机构：

[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan Prov, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 15期

关键词：

Hydrogen storage; BCC alloy; Cyclic durability; Absorption-desorption property; ABSORPTION-DESORPTION;

D O I：

10.1016/j.ijhydene.2010.01.017

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

Hydrogen storage and cyclic properties of V60Ti(21.4+x)Cr(6.6-x)Fe12 (0 <= x <= 3) alloys were investigated systematically. All alloys were composed of single BCC phase and exhibited good activation performance. V60Ti22.4Cr5.6Fe12 showed the highest desorption capacity of 2.12 wt% with the plateau pressure of 0.061 MPa. In the absorption-desorption cycle tests, both the hydrogen desorption capacity and the micro-strain of V60Ti22.4Cr5.6Fe12 alloy showed exponential relationship with the increase of cycle numbers, which indicated that the micro-strain induced and thereafter accumulated during the absorption-desorption cycles might lead to the decrease of the desorption capacity. (c) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

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页码：8130 / 8135

页数：6

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