采用温和水相合成法制备出纳米Mn3O4,采用X射线衍射(XRD)、电子能谱(XPS)及透射电子显微镜(TEM)等技术手段对其结构、组成与形貌进行了研究分析;并利用循环伏安(CV)及充放电等电化学测试研究了纳米Mn3 O4的电容性能.结果表明,本实验所制备的纳米Mn3O4为四方相γ-Mn3O4,其粒径大小为40～60nm;该材料具有良好的电容性能,其比电容值可达270 F/g,且经1000次循环后,其比电容值可达原来的85％.
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