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http://hdl.handle.net/10397/106121
Title: | Conductive framework-stabilized Zn-metal anodes for high-performance Zn-Ion batteries and capacitors | Authors: | Gong, Z Li, Z Wang, PF Jiang, K Bai, ZW Zhu, K Yan, J Ye, K Wang, GL Cao, DX Chen, GH |
Issue Date: | 2023 | Source: | Energy material advances, 2023, v. 4, 0035 | Abstract: | Aqueous zinc (Zn)-based energy storage devices possess promising applications for large-scale energy storage systems due to the advantage of high safety, low price, and environment-friendliness. However, their development is restricted by dendrite growth and hydrogen evolution issues from the Zn-metal anode. Herein, a facile stress-pressing method is reported for constructing a grid zinc anode (GZn) with a conductive framework. The highly conductive copper (Cu)-mesh framework reduces electrode hydrogen evolution and increases electrode conductivity. Meanwhile, the in situ-formed Cu-Zn nano-alloy stabilizes the Zn deposition interface. As a result, the GZn symmetrical cell presents a low overpotential of 49 mV after cycling for 1,200 h (0.2 mA & BULL;cm-2). In addition, GZn displays its potential application as a universal anode for Zn-ion capacitors and batteries. An activated carbon GZn Zn-ion capacitor delivers a stable cycling performance after 10,000 cycles at 5 A & BULL;g-1 and MnO2 GZn Zn-ion batteries exhibit satisfactory cycle stability and excellent rate performance. This demonstrates that GZn appears to be a promising universal anode for Zn-ion capacitors and batteries. |
Publisher: | American Association for the Advancement of Science (AAAS) | Journal: | Energy material advances | ISSN: | 2097-1133 | EISSN: | 2692-7640 | DOI: | 10.34133/energymatadv.0035 | Rights: | Copyright © 2023 Zhe Gong et al. Exclusive licensee Beijing Institute of Technology Press. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY 4.0). (https://creativecommons.org/licenses/by/4.0/). The following publication Gong, Z., Li, Z., Wang, P., Jiang, K., Bai, Z., Zhu, K., Yan, J., Ye, K., Wang, G., Cao, D., & Chen, G. (2023). Conductive Framework-Stabilized Zn-Metal Anodes for High-Performance Zn-Ion Batteries and Capacitors. Energy Material Advances, 4, 0035 is available at https://dx.doi.org/10.34133/energymatadv.0035. |
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