Highly Efficient Storage of Pulse Energy Produced by Triboelectric Nanogenerator in Li3V2(PO4)3/C Cathode Li-Ion Batteries.
Highly Efficient Storage of Pulse Energy Produced by Triboelectric Nanogenerator in Li3V2(PO4)3/C Cathode Li-Ion Batteries.
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DOI：
10.1021/acsami.5b10262
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发表时间：
2016-01
影响因子：
9.5
通讯作者：
Xihui Nan;Changkun Zhang;Chaofeng Liu;Mengmeng Liu;Zhong Lin Wang;G. Cao
中科院分区：
文献类型：
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作者：
Xihui Nan;Changkun Zhang;Chaofeng Liu;Mengmeng Liu;Zhong Lin Wang;G. Cao
摩擦电纳米发电机（TENG）是一种利用摩擦起电和静电感应耦合效应的新型能量收集技术。限制其应用的一个关键因素是能量存储。本研究采用低成本水热法合成高性能Li3V2(PO4)3/C材料，并进行后续退火处理，以有效存储径向排列旋转TENG产生的电能。Li3V2(PO4)3/C不仅在1℃条件下具有128 mAh g（-1）的放电容量，并且具有良好的循环稳定性（在5℃条件下，1000次循环后容量保持率为90%），而且在高频大电流下，与常用的阴极材料LiFePO4（74.4%）、LiCoO2（66.1%）和LiMn2O4（73.6%）相比，其能量转换效率达到了83.4%。
Triboelectric nanogenerator (TENG) has been considered as a new type of energy harvesting technology, which employs the coupling effects of triboelectrification and electrostatic induction. One key factor having limited its application is the energy storage. In this work, a high performance Li3V2(PO4)3/C material synthesized by low-cost hydrothermal method followed with subsequent annealing treatment was studied to efficiently store the power generated by a radial-arrayed rotary TENG. Not only does the Li3V2(PO4)3/C exhibit a discharge capacity of 128 mAh g(-1) at 1 C with excellent cyclic stability (capacity retention is 90% after 1000 cycles at a rate of 5 C) in Li-ion battery, but also shows outstanding energy conversion efficiency (83.4%) compared with the most popular cathodic materials: LiFePO4 (74.4%), LiCoO2 (66.1%), and LiMn2O4 (73.6%) when it was charged by high frequency and large current electricity directly from by TENG.