摘要
本文围绕锂离子电池纳米硅碳负极材料,简要分析了该材料在电动汽车、消费电子及储能等领域的应用前景。介绍了目前常见的几类纳米硅碳材料,主要包括碳包覆纳米硅(nano-Si@C)、氧化亚硅碳复合材料(SiO@C)、硅纳米线(Si nanowire/SS)、变氧型氧化亚硅碳复合材料(SiO_x@C)以及无定形硅合金(amorphous SiM),并概述了它们的优缺点,且对它们的性能优劣进行了对比。介绍了在纳米先导项目的支持下,中国科学院物理研究所和中国科学院化学研究所在纳米硅碳负极材料方面取得的研发进展以及相关产品的中试放大。最后总结了纳米硅碳负极材料所面临的现况,并展望了其未来的发展趋势。
In this report, nano-Si/C anode materials for lithium ion batteries are mainly introduced. The application fields of these materials are briefly analyzed, such as electric vehicles, consumer electronics, energy storage, etc. The advantages and disadvantages of common nano-Si/C anode materials at present are reviewed and compared. The research and technology progress of these materials of are introduced, including the pilot tests of relevant products. The present conditions of nano-Si/C anode materials are sunmarized, and the development trend is prospected.
出处
《储能科学与技术》
CAS
CSCD
2017年第5期864-870,共7页
Energy Storage Science and Technology
基金
国家自然科学基金(51325206
Y5JC011E21)
国家重点基础研究发展计划(973)项目(2012CB932900)
中国科学院战略性先导科技专项(XDA09010102)
关键词
纳米硅碳
负极材料
锂离子电池
研发进展
nano-Si/C
anode material
lithium ion battery
research and technology progress
