Growth of Hierarchal Mesoporous NiO Nanosheets on Carbon Cloth as
Binder-free Anodes for High-performance Flexible Lithium-ion Batteries
Hu Long1, Tielin Shi1,2, Hao Hu1, Shulan Jiang1, Shuang Xi1 and Zirong Tang1, 2,*
1 State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong
University of Science and Technology, Wuhan 430074, China
2 Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and
Technology, Wuhan 430074, China
Figure S1 XRD pattern of the as-prepared NiO-precursor/carbon cloth.
Figure S2 XRD pattern of the pure carbon cloth.
Figure S3 SEM image of the carbon cloth substrate. (a) Ordered woven structure of the carbon
cloth; (b) Magnified image showing the smooth carbon fibers.
Figure S4 SEM image of as-fabricated NiO nanosheets growing on carbon cloth fibers.
Fig. S5 Low-angle XRD pattern for mesoporous NiO nanosheet/carbon cloth.
Fig. S6 The first two cyclic voltammograms of the mesoporous NiO nanosheet/carbon cloth
measured at a scan rate of 0.1 mV s-1 in the voltage range of 0.01–3 V.
Fig. S7 Nyquist plot of the the mesoporous NiO nanosheet/carbon cloth electrode (the inset is
the equivalent electrical circuit model for the impedance analysis).
Figure S8 SEM image of the the mesoporous NiO nanosheet/carbon cloth electrode cycled at 100
mAh g-1 after 80 charging/discharging cycles.
Figure S9 (a) Cycling performance of pure carbon cloth in the voltage window of 0.01–3.0 V at the
same current density with NiO nanosheets/carbon cloth anode (100 mA g-1 refers to the mass
loading of NiO). (b) Discharge curves of the pure carbon cloth electrode and NiO
nanosheets/carbon cloth electrode.