Porous V2O3/C composite anodes with pseudocapacitive characteristics for lithium-ion capacitors

Vanadium trioxide materials have attracted great interest owing to their low cost and high theoretical lithium storage capacity. In this work, porous V2O3@C composites were prepared via a NaCl template-assisted freeze-drying strategy. Benefiting from the unique three-dimensional porous carbon-based...

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Published in:Carbon (New York) 2022-03, Vol.188, p.546-546
Main Authors: REN, Xiao-long, AI, De-sheng, LU, Rui-tao, KANG, Fei-yu, HUANG, Zheng-hong
Format: Article
Language:English
Subjects:
Anodes
Batteries
Capacitors
Carbon
Composite materials
Flux density
Lithium
Lithium ions
Porous materials
Storage capacity
Vanadium oxides
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container_start_page 546
container_title Carbon (New York)
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creator REN, Xiao-long
AI, De-sheng
LU, Rui-tao
KANG, Fei-yu
HUANG, Zheng-hong
description Vanadium trioxide materials have attracted great interest owing to their low cost and high theoretical lithium storage capacity. In this work, porous V2O3@C composites were prepared via a NaCl template-assisted freeze-drying strategy. Benefiting from the unique three-dimensional porous carbon-based structure, the V2O3@C composite anode exhibits a high-rate pseudocapacitive behavior. A lithium-ion capacitor (LIC) based on this V2O3@C composite anode and a commercial AC cathode was constructed. Results show that the as-constructed device exhibits high energy density, high power density as well as long cycling stability, indicating the great promise of our porous V2O3@C composites for the high-performance LICs.
doi_str_mv 10.1016/j.carbon.2021.12.010
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subjects Anodes
Batteries
Capacitors
Carbon
Composite materials
Flux density
Lithium
Lithium ions
Porous materials
Storage capacity
Vanadium oxides
title Porous V2O3/C composite anodes with pseudocapacitive characteristics for lithium-ion capacitors
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