Li~+、La~(3+)掺杂对尖晶石LiMn_2O_4的电化学性能影响
Li~+、La~(3+)참잡대첨정석LiMn_2O_4적전화학성능영향
Effects of Li~+ and La~(3+) Doping on Electrochemical Performance of Spinel LiMn_2O_4
  • 万方数据
    矿冶工程 광야공정

    2009年 6期 85-88 ,共4页

    习小明%王双才%湛中魁%胡常波

    습소명%왕쌍재%담중괴%호상파

    锂离子电池%LiMn_2O_4%掺杂%复合掺杂 鋰離子電池%LiMn_2O_4%摻雜%複閤摻雜
    리리자전지%LiMn_2O_4%참잡%복합참잡
    lithium ion battery%LiMn_2O_4%doping%composite doping
    采用固相法制备了尖晶石LiMn_2O_4,将Li~+和La~(3+)复合掺入到主尖晶石相LiMn_2O_4中,研究了不同掺锂量和不同掺镧量对材料电化学性能的影响.利用XRD和SEM等对材料的物理性能进行了检测,结果表明掺杂锂、镧的材料具有尖晶石相,颗粒尺寸为7～8 μm.电性能测试结果显示材料具有良好的电化学性能.
    채용고상법제비료첨정석LiMn_2O_4,장Li~+화La~(3+)복합참입도주첨정석상LiMn_2O_4중,연구료불동참리량화불동참란량대재료전화학성능적영향.이용XRD화SEM등대재료적물이성능진행료검측,결과표명참잡리、란적재료구유첨정석상,과립척촌위7～8 μm.전성능측시결과현시재료구유량호적전화학성능.
    Spinel LiMn_2O_4 was synthesized by solid phase method. Li~+ and La~(3+) were doped into main spinel phase LiMn_2O_4 and the influence of different Li-doping contents and La-doping contents on electrochemical performance of the material was studied. Physical performance of the material was tested by XRD and SEM and the results showed that the material doped with Li and La had spinel structure and the grain size was 7～8 μm. The results from electrical performance test showed that the material had good electrochemical performance.
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