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360度超声内窥镜的辅助制作装置及制作方法

成果领域:

推广方式:

成果归属企业: 深圳大学

成果鉴定时间:

成果介绍

本发明一种包覆结构的钠离子电池正极材料及其制备方法。本发明通过溶胶‑凝胶法制备了Na3V2(PO4)3/C正极材料，合成的两性离子聚合物即可作螯合剂，又作碳源，工艺简单，能快速形成凝胶状，缩短反应时间；且含两性离子结构，可以很好地与磷酸钒钠前驱体相溶，形成稳定碳包覆层。与现有技术相比本发明的钠离子电池正极材料通过氮元素和硫元素对碳的掺杂提升了正极材料的导电性能和循环性能；同时制备的钠离子电池正极材料具有钠空位，在钠离子嵌入/脱出的过程中保持结构稳定。

成果应用案例介绍

材料制品>电极材料>正极材料; 电力动力>电池>钠离子电池

联系方式

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