制备了化学计量比为RE2FeSb2(RE=Y,Dy,Er)新型Fe基合金电极.利用恒电流充放电方法测定了RE2FeSb2(RE=Y,Dy,Er)化合物的电化学性能,充放电循环表明RE2FeSb2(RE=Y,Dy,Er)具有2个明显放电平台;分别以3种RE2FeSb2(RE=Y,Dy,Er)合金电极为负极,以Ni(OH)2/NiOOH为正极构成的原电池,首次放电容量分别达到了715.8mAh/g,646.2mAh/g,673.6mAh/g,说明新型Fe基合金电极RE2 FeSb2(RE=Y,Dy,Er)具有很大的放电容量.
参考文献
| [1] | 周邵云,李新海,王志兴,邦华军,彭文杰.锂离子蓄电池铁基电极材料研究进展[J].电源技术,2008(07):481-484. |
| [2] | 张羊换,王国清,董小平,郭世海,任江远,王新林.Fe替代Co对AB5型电极合金微观结构及电化学性能的影响[J].功能材料,2006(02):250-254. |
| [3] | 盛丹,春林,孔繁清,熊玮,闫慧忠.热处理对La0.65Mg0.35Ni3.0储氢合金电极自放电性能的影响[J].稀土,2009(03):6-9. |
| [4] | 张树雄,娄树普,张沛臣.低钴贮氢合金的性能研究及热力学函数测定[J].稀土,2009(03):41-44,48. |
| [5] | 春林,盛丹,熊玮,孔繁清,闫慧忠,赵增祺.Mn含量对La0.65Mg0.35Ni3.1-xMnx（x=0.0～0.4）贮氢合金高温电化学性能的影响[J].稀土,2009(04):1-5. |
| [6] | 王亚平,王一菁,宋大卫,焦丽芳,袁华堂.Fe-B 的合成及其电化学性能研究[J].南开大学学报(自然科学版),2008(02):24-26,30. |
| [7] | J.Chen;H.T.Takeshita .Hydriding properties of LaNi_3 and CaNi_3 and their substitutes with PuNi_3-type structure[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2000(1/2):304-313. |
| [8] | Dominko R;Bele M;Gaberscek M;Meden A;Remskar M;Jamnik J .Structure and electrochemical performance of Li2MnSiO4 and Li2FeSiO4 as potential Li-battery cathode materials[J].Electrochemistry communications,2006(2):217-222. |
| [9] | Yang-Huan Zhang;Bao-Wei Li;Hui-Ping Ren .Influences of the substitution of Fe for Ni on structures and electrochemical performances of the as-cast and quenched La_(0.7)Mg_(0.3)Co_(0.45)Ni_(2.55-x)Fe_x (x = 0-0.4) electrode alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):414-420. |
| [10] | Missell F P;Guertin R P;Foner S .Magnetic properties of NdSb,GdSb,TbSb,DySb,HbSb and ErSb under hydrostatic pressure[J].Solid State Communications,1977,23(06):369-372. |
| [11] | Schmidt F A;McMasters O D .Yttrium-antimony alloy system[J].Journal of the Less-Common Metals,1970,21(04):415-425. |
| [12] | Ferro R;Borzone G;Cacciamani G .On the thermochemistry of the rare earth antimonides.The Dy-Sb system[J].Thermochimica Acta,1988,129(01):99-113. |
| [13] | Abdusalyamova MN.;Rachmatov OI. .The alloy system Er-Sb[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2000(1/2):L1-L3. |
| [14] | 翟海军 .掺杂α-Ni(OH)<,2>的合成及其电化学性能研究[D].湘潭大学,2002. |
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