G. Nychyporuk, V. Kordan, M. Horiacha, B. Halyatovskii, O. Hudzo, V. Zaremba, V. Pavlyuk
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引用次数: 1
摘要
通过粉末x射线衍射和EDX分析，研究了873 K下全浓度范围内HoNiIn化合物中铝取代铟的影响。测定了连续固溶体的形成，计算了单元胞参数的变化:HoNiIn1.0-0Al0-1.0 (zrnial型结构，空间群P-62m, a = 0.74343(4) -0.69959 (6) nm, c = 0.37472(3) -0.38289 (4) nm, V = 0.17936(2) -0.16229 (3) mn3)。在采用HoNiIn0.2Al0.8-和honiin0.4 al0.6基电极的电池原型中，经电化学加氢研究，发现HoNiIn1-xAlx固溶体的放电容量最佳。
Crystal structure and electrochemical hydrogenation of HoNiIn1-xAlx (x = 0-1) solid solution
The influence of the substitution of indium by aluminum in HoNiIn compound at 873 K was investigated in the full concentration range by means of powder X-ray diffraction and EDX analysis. The formation of continuous solid solution was determined and changes of the unit cell parameters were calculated: HoNiIn1.0–0Al0–1.0 (ZrNiAl-type structure, space group P-62m, a = 0.74343(4)–0.69959(6) nm and c = 0.37472(3)–0.38289(4) nm, V = 0.17936(2)–0.16229(3) mn3). The best discharge capacity after electrochemical hydrogenation studies of HoNiIn1-xAlx solid solution is observed for battery prototypes with HoNiIn0.2Al0.8- and HoNiIn0.4Al0.6-based electrodes.
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