期刊
NANO ENERGY
卷 12, 期 -, 页码 816-823出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2015.01.044
关键词
Two-dimensional materials; Nanosheets; Li-ion battery; High rate; Flexible batteries; Energy storage
类别
资金
- Cockrell School of Engineering at the University of Texas at Austin
- Welch Foundation Award [F-1861]
- NSAF [U1230125]
- Graduate School of Nanjing University of Science and Technology
Here we report an all-nanosheet-based Li-ion full battery using ZnMn2O4-graphene hybrid nanosheet and LiFePO4 nanosheet as anode and cathode, respectively. The short Li ion diffusion length and open charge transport channel of these two-dimensional (2D) nanostructures enable rapid charge and discharge rate. The all-nanosheet-based full battery exhibits superior rate capability and cycling stability, compared to the control full battery using conventional graphite anode and commercial LiFePO4 cathode. Furthermore, flexible full batteries using these 2D nanostructured electrodes are fabricated in pouch cell form, and exhibit impressive electrochemical stability without structural failure and performance loss under various mechanical bending states. (C) 2015 Elsevier Ltd. All rights reserved.
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