快淬 TiZrVMnNi 贮氢合金的电化学性能研究

稀有金属, 2002, 26(3): 198-201. doi: 10.3969/j.issn.0258-7076.2002.03.010

快淬 TiZrVMnNi 贮氢合金的电化学性能研究

李平 ^1, , 王新林 ^2, , 吴建民 ^3, , 赵韦人 ^4, , 祁焱 ^5, , 李蓉 ^6,

1.钢铁研究总院功能材料研究所,北京,100081

2.钢铁研究总院功能材料研究所,北京,100081

3.钢铁研究总院功能材料研究所,北京,100081

4.钢铁研究总院功能材料研究所,北京,100081

5.钢铁研究总院功能材料研究所,北京,100081

6.钢铁研究总院功能材料研究所,北京,100081

关键词：贮氢合金 , 金属氢化物电极 , 电化学性能 , 快淬工艺 , 钛合金

Electrochemical Properties of TiZrVMnNi Hydrogen Storage Alloys

对比研究了熔体旋转和常规铸态 Ti0.8Zr0.2Mn0.5V0.5Ni1.0 贮氢合金的电化学特性.发现快淬态与铸态合金的活化性能都很好,经过1～3次充放电循环,就可达到最大放电容量.快淬工艺明显提高了合金的放电容量,并且淬速与放电容量之间在一定情况下出现峰值.快淬工艺同时改善合金的放电电压特性,使合金的放电平台更平,平台电压更高.但是快淬钛基贮氢合金的循环稳定性能和铸态合金一样差,放电容量在10次内急剧衰减.

参考文献

[1]	Lee H H;Lee L Y;Lee J Y .[J].Journal of Alloys and Compounds,1996,239:63.
[2]	Lee H H;Lee L Y;Lee J Y .[J].Journal of Alloys and Compounds,1997,253-254:601.
[3]	Lee H H;Lee L Y;Lee J Y .[J].Journal of Alloys and Compounds,1997,260:201.
[4]	Jung JH.;Kim DM.;Jang KJ.;Lee JY.;Lee HH. .Degradation behavior of Cu-coated Ti-Zr-V-Mn-Ni metal hydride electrodes[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):266-270.
[5]	Yu JS.;Cho K.;Lee JY.;Liu BH. .The effects of partial substitution of Mn by Cr on the electrochemical cycle life of Ti-Zr-V-Mn-Ni alloy electrodes of a Ni/MH battery[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):283-290.
[6]	Jung JH.;Kim DM.;Jang KJ.;Lee JY.;Lee SM. .Effect of Cu powder as compacting material on the discharge characteristics of negative electrodes in Ni-MH batteries[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):271-275.
[7]	Sakai T;Hazama T;Miyamura H.[J].Journal of the Less-Common Metals,1991:1175.
[8]	Nakamura Y;Nakamura H;Fujitani S et al.[J].Journal of Alloys and Compounds,1994,210:299.
[9]	Tang Weizhong;Sun Guanfei .[J].Journal of Alloys and Compounds,1994,203:195.
[10]	李传健;王新林;吴建民等.[J].电池,1997,27(05):209.
[11]	Mishima R;Miyamura H;Sakai T et al.[J].Journal of Alloys and Compounds,1993,192:176.
[12]	Chen L;Tong M;Chen DM;Long RB;Shang ZQ;Liu H;Sun WS;Yang K;Wang LB;Li YY;Wu F .Advanced nanocrystalline Zr-based AB sub 2 hydrogen storage electrode materials for NiMH EV batteries[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1999(0):508-520.
[13]	赖为华;余成洲 .[J].电池,1996,26:189.

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材料期刊网

快淬 TiZrVMnNi 贮氢合金的电化学性能研究

Electrochemical Properties of TiZrVMnNi Hydrogen Storage Alloys

参考文献