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[1]汪伦a,郭绍义a,高林辉b,等. La1.8Ca0.2Mg14Ni3合金在甲苯溶液中球磨改性后的储氢性能[J].浙江理工大学学报,2011,28(05):744-748.
 WANG Luna,GUO Shao yia,GAO Lin huib,et al. Hydrogen Storage Properties of La1.8Ca0.2Mg14Ni3 Alloy Modified by Ball Milling in Toluene[J].Journal of Zhejiang Sci-Tech University,2011,28(05):744-748.
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 La1.8Ca0.2Mg14Ni3合金在甲苯溶液中球磨改性后的储氢性能()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第28卷
期数:
2011年05期
页码:
744-748
栏目:
机电与信息科技
出版日期:
2011-10-30

文章信息/Info

Title:
 Hydrogen Storage Properties of La1.8Ca0.2Mg14Ni3 Alloy Modified by Ball Milling in Toluene
文章编号:
16733851 (2011) 05074405
作者:
 汪伦a 郭绍义a 高林辉b 裴有斌a
 浙江理工大学, a. 机械与自动控制学院; b. 材料工程中心, 杭州 310018
Author(s):
 WANG Luna GUO Shaoyia GAO Linhuib PEI Youbina
 Zhejiang SciTech University, a. School of Machinery & Automation; b. Materials Engineering Center, Hangzhou 310018, China
关键词:
 镁基合金 球磨 储氢合金 甲苯 动力学
分类号:
TG139.7
文献标志码:
A
摘要:
    采用在甲苯介质中球磨以改善La1.8Ca0.2Mg14Ni3的储氢性能。随着球磨时间的增加,合金的吸放氢性能得到显著地提高,在20 h达到最高。其在513 K,4.0 MPa氢压下初次活化时, 吸氢质量分数达到了3.95%,在3次活化后,300 K时的吸氢质量分数达到3.85%,在613 K,一个大气压的放氢质量分数在900 s内达到了4.92%。通过XRD和SEM分析,球磨后合金颗粒粒径明显减小且有非晶化趋势。在球磨过程中形成了电子络合体(electron donoracceptor,EDA)体系。合金颗粒粒径、非晶化程度和EDA共同作用使球磨20 h的合金表现出最优异的吸放氢性能。

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2011-01-10
基金项目: 国家自然科学基金(50901068);浙江省自然科学基金(Y4090495)
作者简介: 汪伦(1986-),男,湖北咸宁人,硕士研究生,主要从事镁基贮氢材料方面的研究。
通讯作者: 高林辉,电子邮箱:gaolhui@yahoo.com.cn
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