Advanced Energy Materials· Henan Jia,
Taotao Guo,
Jiayi Luo,
Wenjun Zhang,
Tianyu Huo,
Hui Li,
Zheng Liang,
Fuling Tang,
Junlei Qi·· 23 天前AI 评分20
Co4N/Co2P 异质界面晶格应变诱导高自旋 Co 3d 电子构型实现多硫化物高效转化
High‐Spin 3d Orbital Configuration Driven by Lattice Strain‐Induced Electronic Modulation in Co4N/Co2P Composites Enables Metal–Sulfur Hybridization for Efficient Polysulfide Conversion
模型导读
Co4N/Co2P 复合物通过界面晶格失配产生局部应变与不对称 N─Co─P 配位,诱导 Co 3d 电子从低自旋向高自旋转变,增强对多硫化物的吸附与转化。该材料用作锂硫电池改性隔膜时,在 0.2 C 下首圈放电容量达 1389.4 mAh g−1,100 圈后保持 905.9 mAh g−1,单圈衰减率 0.35%。
来源:Advanced Energy Materials · advanced.onlinelibrary.wiley.com