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Title: Hybrid aqueous/organic electrolytes enable the high-performance Zn-Ion batteries
Authors: Huang, JQ 
Guo, X 
Lin, X 
Zhu, Y 
Zhang, B 
Huang, JQ 
Guo, X 
Lin, X 
Zhu, Y 
Zhang, B 
Issue Date: 2019
Source: Research, 2019, v. 2019, 2635310
Abstract: Rechargeable aqueous zinc ion batteries (ZIBs) are considered as one of the most promising systems for large-scale energy storage due to their merits of low cost, environmental friendliness, and high safety. The utilization of aqueous electrolyte also brings about some problems such as low energy density, fast self-discharge, and capacity fading associated with the dissolution of metals in water. To combat the issues, we utilize a freestanding vanadium oxide hydrate/carbon nanotube (V2O5 nH2O/CNT) film as the cathode and probe the performance in aqueous/organic hybrid electrolytes. The corresponding structural and morphological evolution of both V2O5 nH2O/CNT cathode and Zn anode in different electrolytes is explored. The integrity of electrodes and the suppression of zinc dendrites during cycles are largely improved in the hybrid electrolytes. Accordingly, the battery in hybrid electrolyte exhibits high capacities of 549 mAhg-1 at 0.5Ag-1 after 100 cycles and 282 mAhg-1 at 4Ag-1 after 1000 cycles, demonstrating an excellent energy density of 102Whkg-1 at a high power of 1500Wkg-1 based on the cathode.
Publisher: American Association for the Advancement of Science (AAAS)
Journal: Research 
EISSN: 2639-5274
DOI: 10.34133/2019/2635310
Rights: Copyright © 2019 Jian-Qiu Huang et al. Exclusive Licensee Science and Technology Review Publishing House. Distributed under a Creative Commons Attribution License (CC BY 4.0).
The following publication Jian-Qiu Huang, Xuyun Guo, Xiuyi Lin, Ye Zhu, and Biao Zhang, “Hybrid Aqueous/Organic Electrolytes Enable the High-Performance Zn-Ion Batteries,” Research, vol. 2019, Article ID 2635310, 10 pages, 2019, is available at
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