[1] Zhejiang Univ, State Key Lab Silicon Mat, Key Lab Adv Mat & Applicat Batteries Zhejiang Pro, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Peoples R China
[3] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA