《达摩禅经》:高手帮我翻一下.谢谢

来源:百度文库 编辑:中科新闻网 时间:2024/04/30 03:48:55
本文以共沉淀法合成微米级的带毛刺的碳酸锂(Li2CO3)和碳酸锰(MnCO3)球为前驱物通过高温煅烧而制备出多孔球状的尖晶石型LiMn2O4作为锂离子电池的正极材料,同时通过对前驱物加表面活性剂的改性,分散多孔球而成为纳米粒子。利用XRD、TEM和FESEM的手段对产物的物相及形貌进行表征,并探讨形成这种物相和形貌的机理。为下面的电化学性能的研究提供了物资基础和理论分析基础。
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 capacity respectively. Preliminary studies indicate the initial capacity of the externalities of the electrode material impact on its electrochemical performance in the structure and build a bridge between their performance.

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 capacity respectively. Preliminary studies indicate the initial capacity of the externalities of the electrode material impact on its electrochemical performance in the structure and build a bridge between their performance.

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 capacity respectively. Preliminary studies indicate the initial capacity of the externalities of the electrode material impact on its electrochemical performance in the structure and build a bridge between their performance.