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北理工课题组在锂硫电池钙钛矿氧化物缺陷催化领域取得重要进展
图1. LaCoO3和LCO-VLa中的多硫化物转化机制示意图 研究采用溶胶凝胶法制备LaCoO3(LCO),并通过冰乙酸刻蚀制备LCO-VLa。因为 LCO 结构包括交替的La-O和Co-O平面,其中碱性的La-O和酸性的Co-O末端随机暴露在颗粒外表面上,在酸性条件下,La-O键较长的键长和较高的表面能有 ...
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