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提升红磷电极性能的新研究进展
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提升红磷电极性能的新研究进展
2016年10月初,澳大利亚伍伦贡大学郭再萍教授和陈俊副教授课题组提出了一种新型的气化重组技术,制备出碳/红磷/石墨烯气凝胶三维多孔复合材料。 其中,红磷的理论比容量高达2,596mAh/g,远高于商用石墨电极(约370 mAh/g),而且廉价易得。但是,红磷存在低导电性和在充放电过程中体积膨胀等问题,制约了其在电池中的应用。 因此,课题组针对上述问题,利用石墨烯气凝胶将红磷包裹,然后采用气相沉积法将聚吡咯包在整个气凝胶上,最后对材料内部的红磷进行气化重组。这使得红磷(10-20nm)颗粒被包裹...
Phosphorus Industry China Monthly Report 1610 (Chinese Version)
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