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Elastic buffer structured Si/C microsphere anodes via polymerization-induced colloid aggregation
Chong Xie1, Quan Xu1, Hirbod Maleki Kheimeh Sari1
1Xi'an Key Laboratory of New Energy Materials and Devices, Institute of Advanced Electrochemical Energy, School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, Shaanxi 710048, China. xfli2011@hotmail.com and Shaanxi International Joint Research Centre of Surface Technology for Energy Storage Materials, Xi'an, Shaanxi 710048, China.
Abstract:
Si/C microsphere anodes with well-designed structures were successfully synthesized via the polymerization-induced colloid aggregation (PICA) method. The voids and void-holes in the carbon framework provide the direct and elastic buffer space for volume expansion of Si nanoparticles, respectively. This anode exhibits an outstanding structural integrity and enhanced cycling stability.
