Porous silicon nanowires for lithium rechargeable batteries.
Porous silicon nanowire is fabricated by a simple electrospinning process combined with a magnesium reduction; this material is investigated for use as an anode material for lithium rechargeable batteries. We find that the porous silicon nanowire electrode from the simple and scalable method can deliver a high reversible capacity with an excellent cycle stability. The enhanced performance in terms of cycling stability is attributed to the facile accommodation of the volume change by the pores in the interconnect and the increased electronic conductivity due to a multi-level carbon coating during the fabrication process.
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea.
Jung-Keun
JK
Yoo
Jongsoon
J
Kim
Hojun
H
Lee
Jaesuk
J
Choi
Min-Jae
MJ
Choi
Dong Min
DM
Sim
Yeon Sik
YS
Jung
Kisuk
K
Kang