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来源:百度知道 编辑:UC知道 时间:2024/05/22 00:26:02
对所合成的微米级多孔球状和粒子状的LiMn2O4进行初步电化学性能测试,测试结果表明,在25℃下,多孔球的和粒子的LiMn2O4电池在高电压区(4V),首次充电容量分别为123mAh/g和112mAh/g,放电容量分别为123mAh/g和112mAh/g。初始容量的初步研究说明了电极材料的形貌对其电化学性能的影响,在结构和其性能间架起了桥梁。
The total precipitation for the law synthetic micrometres belt burr of Tansuanli (Li2CO3) and carbonic acid manganese (MnCO3) ball for damages caused calcine material prepared by a porous spherical type of spinel LiMn2O4 as a lithium-ion batteries positive materials, and through the valuable objects to the modified surface active agent, scattered porous ball into nano particles. Using XRD, Tem and FESEM product of the objects to the means of expression and externalities for, and explore the formation of such objects and externalities of the mechanisms. The electrochemical performance for the research provides the theoretical basis for analysis and material basis. Micrometres of synthetic porous spherical particle shape and the LiMn2O4 preliminary electrochemical performance test results showed that in 25 degrees, porous balls and particles LiMn2O4 batteries in high-voltage areas (4V), the first charge and 112mAh/g 123mAh/g capacity respectively, 112mAh/g 123mAh/g and discharge capac