硅基负极材料的研究进展

孙国庆, 李海波, 丁志阳, 郭文辉, 徐浩, 赵艳侠

Research progress of silicon based anode materials

Guoqing SUN, Haibo LI, Zhiyang DING, Wenhui GUO, Hao XU, Yanxia ZHAO

图4 (a)不同比例N掺杂循环后电极SEM图；(b)Ni元素掺杂与硅氧负极循环比较；(c)QMS的TEM图像以及放大后晶格条纹TEM图像；(d)QMS与Si电极300次循环后膨胀率对比；(e)不同材料负极长循环对比；(f)B元素均匀掺杂[59-66]

Fig.4 (a) SEM images of the electrodes after cycling with different ratios of N doping; (b) Comparison of Ni elemental doping with SiO2 anode cycling; (c) QMS TEM images as well as enlarged lattice fringing TEM images; (d) Comparison of the expansion rate of the QMS versus Si electrodes after 300 cycles; (e) Comparison of the various types of comparative anodes with long cycling; (f) Homogeneous doping with B elements[59-66]