新型钒基新能源汽车电池合金的储氢性能与电化学研究

王酉方; 赵越

doi:10.7513/j.issn.1004-7638.2019.01.010

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新型钒基新能源汽车电池合金的储氢性能与电化学研究

doi: 10.7513/j.issn.1004-7638.2019.01.010

王酉方¹,
赵越²

1. 长春职业技术学院汽车学院, 吉林长春 130000;
2. 大连理工大学材料科学与工程学院, 辽宁大连 116024

基金项目:

吉林省教育厅职业教育与成人教育教学改革研究课题（编号：2015ZCY095）。

详细信息

作者简介:
王酉方(1982-),女,汉族,吉林长春人,硕士,讲师,主要从事新能源汽车专业课程教学、研究及课程开发,E-mail:wyfhd@163.com。

中图分类号: TF841.3,TG139
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- 被引次数: 0
出版历程
- 收稿日期: 2018-10-30

Hydrogen Storage and Electrochemical Properties of Cast Vanadium Based Alloys for Automotive Batteries

Wang Youfang¹,
Zhao Yue²

1. School of Automotive Engineering, Changchun Vocational Institute of Technology, Changchun 130000, Jilin, China;
2. College of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China

摘要

摘要: 对汽车电池用铸造钒基V₃TiNi_0.56合金和V₃TiNi_0.56Y_0.1Co_0.1新型合金试样进行了铸造试验，并进行了储氢性能、电化学性能和显微组织的测试与分析。结果表明：与V₃TiNi_0.56合金相比，V₃TiNi_0.56Y_0.1Co_0.1新型合金的最大吸氢量从3.13%增大到3.88%，充放电循环20次后放电容量保有率从23%增大到91%，合金的枝晶臂细化、枝晶间距变小，合金的储氢性能和电化学性能得到明显提高。合金元素Y和Co的添加，有利于提高汽车电池用铸造钒基V₃TiNi_0.56合金的储氢性能和电化学循环稳定性能。
- 汽车电池 /
- V₃TiNi_0.56Y_0.1Co_0.1钒基新型合金 /
- 储氢性能 /
- 电化学性能
Abstract: Casting tests for V₃TiNi_0.56 and V₃TiNi_0.56Y_0.1Co_0.1 alloys used in automobile batteries were carried out,and the hydrogen storage performance,electrochemical property and microstructure of the alloys were tested and analyzed.The results show that compared with V₃TiNi_0.56 alloy,the maximum hydrogen absorption capacity of V₃TiNi_0.56Y_0.1Co_0.1 alloy increases from 3.13% to 3.88%,and the retention rate of discharge capacity of V₃TiNi_0.56Y_0.1Co_0.1 alloy increases from 23% to 91% after 20 times of charge-discharge cycles.The dendritic arm of V₃TiNi_0.56Y_0.1Co_0.1 alloy is refined,and the interval for dendritic crystals of V₃TiNi_0.56Y_0.1Co_0.1 alloy is decreased,with the hydrogen storage and electrochemical properties of the alloy improved significantly.The addition of Y and Co as alloying elements can improve the hydrogen storage and electrochemical cycling stability of V₃TiNi_0.56 alloy applied to automobile batteries.
- automotive battery /
- vanadium-based alloy /
- V₃TiNi_0.56Y_0.1Co_0.1 /
- hydrogen storage performance