title: High interfacial storage capability of porous NiMn2O4/C hierarchical tremella-like nanostructures as the lithium ion battery anode.
abstract: Porous hierarchical NiMn2O4/C tremella-like nanostructures are obtained through a simple solvothermal and calcination method. As the anode of lithium ion batteries (LIBs), porous NiMn2O4/C nanostructures exhibit a superior specific capacity and an excellent long-term cycling performance even at a high current density. The discharge capacity can stabilize at 2130 mA h g(-1) within 350 cycles at a current density of 1000 mA g(-1). After a long-term cycling of 1500 cycles, the capacity is still as high as 1773 mA h g(-1) at a high current density of 4000 mA g(-1), which is almost five times higher than the theoretical capacity of graphite. The porous NiMn2O4/C hierarchical nanostructure provides sufficient contact with the electrolyte and fast three-dimensional Li(+) diffusion channels, and dramatically improves the capacity of NiMn2O4/C via interfacial storage.
authors.affiliation: Department of Physics and Materials Science and Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong SAR, People's Republic of China. tangyb@siat.ac.cn apcslee@cityu.edu.hk.
authors.forename: Wenpei
authors.initials: W
authors.lastname: Kang
authors.forename: Yongbing
authors.initials: Y
authors.lastname: Tang
authors.forename: Wenyue
authors.initials: W
authors.lastname: Li
authors.forename: Xia
authors.initials: X
authors.lastname: Yang
authors.forename: Hongtao
authors.initials: H
authors.lastname: Xue
authors.forename: Qingdan
authors.initials: Q
authors.lastname: Yang
authors.forename: Chun-Sing
authors.initials: CS
authors.lastname: Lee