Zinc oxide nanotubes for high-performance lithium-ion battery anodes: experimental insights from computational results

Alexander He; Xuan Gao

doi:10.1117/12.2646152

5 August 2022 Zinc oxide nanotubes for high-performance lithium-ion battery anodes: experimental insights from computational results

Alexander He, Xuan Gao

Author Affiliations +

Proceedings Volume 12326, 2nd International Conference on Materials Chemistry and Environmental Engineering (CONF-MCEE 2022); 1232605 (2022) https://doi.org/10.1117/12.2646152
Event: 2nd International Conference on Materials Chemistry and Environmental Engineering (CONF-MCEE 2022), 2022, ONLINE, United States

Abstract

In this study, zinc oxide (ZnO) nanotubes were simulated and calculated to get their bandgap and density of states to predict their performance as anode materials for lithium-ion batteries. With the insight of reducing the band gap by nanomaterialisation to improve the performance, ZnO nanotubes were fabricated with hydrothermal reaction. We tested its performance after 100 cycles and confirmed that nanotubes are better than bulk ZnO in many regards, including electron conductivity, bandgap, coulomb efficiency, cyclic stability. An excellent reversible capacity of 861 mAh g-1 was achieved after 100 cycles at 0.5 mA g-1. Compared with ZnO bulk, nanotubes show better stability and higher coulomb efficiency.

Citation Download Citation

Alexander He and Xuan Gao "Zinc oxide nanotubes for high-performance lithium-ion battery anodes: experimental insights from computational results", Proc. SPIE 12326, 2nd International Conference on Materials Chemistry and Environmental Engineering (CONF-MCEE 2022), 1232605 (5 August 2022); https://doi.org/10.1117/12.2646152

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