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Characteristics of La-Pr-Nd Electrodes for Nickel-Metal Hydride Batteries
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作者 靳红梅 李国勋 +3 位作者 王瑞坤 王超群 张昭良 孙丽虹 《Rare Metals》 SCIE EI CAS CSCD 1997年第3期22-27,共6页
The effects of replacement of lanthanum by neodymium and praseodymium on the electrode characteristics were studied. The result indicated that the discharge capacity and cycle life are closely related with the alloy s... The effects of replacement of lanthanum by neodymium and praseodymium on the electrode characteristics were studied. The result indicated that the discharge capacity and cycle life are closely related with the alloy structure decided by alloy composition. The electrode with praseodymium have higher discharge capacity than that with neodymium. The replacement of lanthanum by both neodymium and praseodymium gave the electrodes higher discharge capacity and longer cycle life. The selected area diffraction pattern from the interface between two particles after 120 charge discharge cycles showed that the polycrystalline diffraction rings created from oxides and hydroxides can be observed and X ray diffraction analysis verified this conclusion. 展开更多
关键词 Alloy structure dischage capacity Cycle life Selected and diffraction pattern Capacity
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