期刊
ACS OMEGA
卷 6, 期 51, 页码 35244-35249出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.1c02089
关键词
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资金
- National Natural Science Foundation of China [51774160]
- ten thousand people plan of Yunnan Province [YNWR-QNBJ-2018-327]
The research on Zn-Al-La layered double hydroxides prepared by the hydrothermal method and used as a new anodic material for Zn-Ni secondary batteries showed that the material exhibited good crystallinity and uniform dispersion, with excellent cycle reversibility and corrosion resistance when applied to Zn-Ni batteries. The electrode also demonstrated outstanding cycle stability after 150 cycles, with a cycle retention rate reaching 91.63%.
Zn-Al-La layered double hydroxides (LDHs) were prepared by the hydrothermal method and used as a new anodic material for Zn-Ni secondary batteries. The morphology and microstructure of Zn-Al-La-LDHs were analyzed by Fourier transform infrared, X-ray diffraction (XRD), and scanning electron microscopy (SEM). The electrochemical properties of Zn-Al-La-LDHs as negative electrode materials for Zn-Ni batteries were studied by the cyclic voltammetry, Tafel polarization curve, and constant current charge-discharge test. XRD and SEM analysis showed that the crystallinity of the prepared Zn-Al-La-LDHs was good and the dispersion was uniform and showed regular hexagonal structures. The results of electrical properties show that Zn-Al-La-LDHs have good cycle reversibility and corrosion resistance when applied to Zn-Ni secondary batteries. The analysis of galvanostatic charge-discharge measurement results shows that the Zn-Al-La-LDH electrode has excellent cycle stability and charge-discharge characteristics. After 150 cycles, the cycle retention rate can reach 91.63%.
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