期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 164, 期 13, 页码 A3068-A3074出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0701713jes
关键词
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资金
- Natural Science Foundation of China [21371180]
- Science and technology project of Changsha city [K1303015-11]
- Specialized Research Fund for the Doctoral Program of Higher Education [20130162110018]
Sheet-like, well crystalline carbon-coated Zn-Al-Bi layered double oxides (Zn-Al-Bi-LDOs/C) nanocomposites with a similar to 2 nm-thick amorphous carbon layers have been synthesized via hydrothermal reaction and carbonization of precursor. The structural analysis and morphology characterization of as-prepared Zn-Al-Bi-LDOs/C are characterized by transmission electron microscope (TEM), X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and scanning electron microscope (SEM). Applying a thin surface-anchoring carbon layer is an effective way in prohibiting the Zn-Al-Bi-LDOs in electrode from disintegrating in the alkaline electrolyte, which could accelerate the activation of active substance because of higher anti-corrosion and superior electrical conductivity. The elementary results prove that the Zn-Al-Bi-LDOs/C nanocomposites show better Zn-Ni rechargeable battery performance with brilliant reversible capacity, remarkable cyclic performance (475 mA h g(-1) after 900 cycles at 1 C), giving credence to the practicability of Zn-Al-Bi-LDOs/C for high-efficiency reaction of active materials for power storage for Zn-Ni secondary battery. (C) 2017 The Electrochemical Society. All rights reserved.
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