Achieving high performance of Si-based anode materials for lithium ion battery via high energy mechanical milling
作者单位：Department of Materials Science and EngineeringCheng Kung University Hierarchical Green-Energy Materials Research CenterCheng Kung University Center for Micro/Nano Science and TechnologyCheng Kung University Department of GreenergyUniversity of Tainan Research and Development Center for Li-ion BatteryUniversity of Tainan
会议名称：《第十一届海峡两岸超微颗粒学术研讨会暨中国颗粒学会超微颗...》
会议日期：2019年
学科分类：0808[工学-电气工程] 07[理学] 08[工学] 070205[理学-凝聚态物理] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学]
关 键 词：Lithium-ion batteries Si-based negative electrode high energy mechanical milling mechanochemical reaction
摘 要：In this work,we have developed a robust,cost-effect and friendly to operators and environment process to synthesize the high performance of Si-based composite powder as negative electrode materials for lithium ion batteries(LIBs).The feature of this research includes construction of top-down method using high energy mechanical milling(HEMM) to transform micrometric Si powder of crystalline phase into nanocrystalline/amorphous phase,combining withwet milling in specific medium to further reduced size of Si aggregate,simultaneously transferring function group to the surface of Si resulted in enhancing formation of solid electrolyte interface upon lithiation/***,Alloy designed Si/Cu3 Si composite powder is realized in all solid-state process by HEMM inducing mechanochemical ***3 Si compound strengthens Si-based composite and enhances ***,Si-based composite powder as the negative electrode performs high electrochemical properties and approaches practical and industrial application for LIBs.