Liqiang Mai,* Lin Xu
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
Nano-Micro Conference, 2017, 1, 01061
Published Online: 29 October 2017 (Abstract)
Citation Information: Liqiang Mai, Lin Xu, One-Dimensional Nanomaterials for Energy Storage. Nano-Micro Conference, 2017, 1, 01061 doi: 10.11605/cp.nmc2017.01061
Received: 26 May 2017, Accepted: 16 June 2017, Published Online: 29 October 2017
One-dimensional nanomaterials can offer large surface area, facile strain relaxation upon cycling and efficient electron transport pathway to achieve high electrochemical performance. Hence, nanowires have attracted increasing interest in energy related fields. We designed the single nanowire electrochemical device for in situ probing the direct relationship between electrical transport, structure, and electrochemical properties of the single nanowire electrode to understand intrinsic reason of capacity fading. The results show that during the electrochemical reaction, conductivity of the nanowire electrode decreased, which limits the cycle life of the devices . We have fabricated hierarchical MnMoO4/CoMoO4 heterostructured nanowires by combining “oriented attachment” and “self-assembly” . The asymmetric supercapacitors based on the hierarchical heterostructured nanowires show a high specific capacitance and good reversibility with a cycling efficiency of 98% after 1,000 cycles. Then, we designed the general synthesis of complex nanotubes by gradient electrospinning, including Li3V2(PO4)3, Na0.7Fe0.7Mn0.3O2 and Co3O4 mesoporous nanotubes, which exhibit ultrastable electrochemical performance when used in lithium-ion batteries, sodium-ion batteries and supercapacitors, respectively . In addition, we have successfully fabricated a field-tuned hydrogen evolution reaction (HER) device with an individual MoS2 nanosheet to explore the impact of field effect on catalysis . We also constructed a new-type carbon coated K0.7Fe0.5Mn0.5O2 interconnected nanowires through a simply electrospinning method. The interconnected nanowires exhibit a discharge capacity of 101 mAh g-1 after 60 cycles, when measured as a cathode for K-ion batteries . Our work presented here can inspire new thought in constructing novel one-dimensional structures and accelerate the development of energy storage applications.
 L. Q. Mai; Y. J. Dong; L. Xu; C. H. Han, Single Nanowire Electrochemical Devices. Nano Letters. 10, 4273-4278 (2010). doi:10.1021/nl102845r
 L. Q. Mai; F. Yang; Y. L. Zhao; X. Xu; L. Xu; Y. Z. Lou, Hierarchical MnMoO4/CoMoO4 heterostructured nanowires with enhanced supercapacitor performance. Nature Communications. 2, 381 (2011). doi:10.1038/ncomms1387
 C. J. Niu; J. S. Meng; X. P. Wang; C. H. Han; M. Y. Yan; K. N. Zhao; X. M. Xu; W. H. Ren; Y. L. Zhao; L. Xu; Q. J. Zhang; D. Y. Zhao; L. Q. Mai, General synthesis of complex nanotubes by gradient electrospinning and controlled pyrolysis. Nature Communications. 6, 7402 (2015). doi:10.1038/ncomms8402
 J. H. Wang; M. Y. Yan; K. N. Zhao; X. B. Liao; P. Y. Wang; X. L. Pan; W. Yang; L. Q. Mai, Field Effect Enhanced Hydrogen Evolution Reaction of MoS2 Nanosheets. Advanced Materials. 29, 1604464 (2017). doi:10.1002/adma.201604464
 X. P. Wang; X. M. Xu; C. J. Niu; J. S. Meng; M. Huang; X. Liu; Z. A. Liu; L. Q. Mai, Earth Abundant Fe/Mn-Based Layered Oxide Interconnected Nanowires for Advanced K-Ion Full Batteries. Nano Letters. 17, 544-550 (2017). doi:10.1021/acs.nanolett.6b04611
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