supported by the National Natural Science Foundation of China(51201066,51171065,11204090,51101062);the Natural Science Foundation of Guangdong Province(S2012020010937,10351063101000001);Foundation for Distinguished Young Talents in Higher Education of Guangdong(2012LYM_0048,LYM09052);University-Industry Cooperation Projects of Guangdong Province,the Ministry of Education,Science&Technology(2011A091000014);the Scientific and TechnologicalPlan of Guangzhou City(2011J4100075);the Project of Department of Education of Guangdong Province(2013KJCX0050);Scientific Research and Cultivating Fund of Young Teachers in South China Normal University;the Scientific and Technological Plan of Guangdong Province,Guangzhou City and its Tianhe and Yuexiu Districts,China(2012B010400005,2012J2200031,2013-CY-007)
To understand the influence of structure and atom sites on the electrochemical properties of Sn-based anode materials,the lithium intercalation–deintercalation mechanisms into SnNi2Cu and SnNiCu2phases were studied u...