Zhou, Y., Zhang, Z., Zhao, Y., Liu, J., Lam, K.-h. , Zheng, X., Lou, H. and Hou, X. (2021) Cost-effective, long-term aqueous rechargeable hybrid sodium/zinc batteries based on Zn anode and Na3MnTi(PO4)3 cathode. Chemical Engineering Journal, 425, 130459. (doi: 10.1016/j.cej.2021.130459)
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Abstract
Aqueous rechargeable batteries have promising application in large-scale energy storage owing to their cost-effective, eco-friendly, high safety and good electrochemical performance. An aqueous rechargeable hybrid sodium/zinc battery with Zn anode, Na3MnTi(PO4)3 cathode and 0.5 mol L-1 CH3COONa and Zn(CH3COO)2 mixed electrolyte has been designed for the first time. The battery delivered a reversible and stable capacity of 95.0 mAh g−1 at 1.5 C for 50 cycles with a high and flat working voltage of 1.75 V vs. Zn2+/Zn. Impressively, the battery showed the excellent cycling performance and superior rate capability, which can be cycled at 10.0 C for 2000 cycles with a capacity retention of 93.6% and a reversible capacity of 55.6 mAh g−1 at 30.0 C. Meanwhile, the co-intercalation mechanism of hybrid Na+ and Zn2+ in the cathode is elucidated by cyclic voltammogram, ex-situ XRD, ex-situ XPS and Rietveld refinement analysis. This work gets insight into the charge/discharge processes of hybrid ions for NASICON-structured Na3MnTi(PO4)3, providing a feasible way to design cost-effective, high safety and long-term aqueous rechargeable batteries.
| Item Type: | Articles |
|---|---|
| Additional Information: | This work was financially supported by the Joint Fund Project of Guangdong and Guangxi (2020A151410008), the Scientific and Technological Plan of Guangdong Province (2018B050502010, 2019B090905005), Science and Technology Program of Guangzhou (No.2019050001), National Key Research and Development Program of China (2019YFE0198000), and the third batch of Zhaoqing Xijiang Talent Innovation Team project (2019). |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Lam, Dr Koko |
| Authors: | Zhou, Y., Zhang, Z., Zhao, Y., Liu, J., Lam, K.-h., Zheng, X., Lou, H., and Hou, X. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Chemical Engineering Journal |
| Publisher: | Elsevier |
| ISSN: | 1385-8947 |
| ISSN (Online): | 1873-3212 |
| Published Online: | 02 June 2021 |
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