@article{Yang2026, 
author = {Jiao Yang and Wenzhong Wang},
title = {1D nanostructure-assembled CuO/Cu2O hollow spheres for lithium-ion battery with superior capacity and long cycle life},
year = {2026},
journal = {Journal of Capital Normal University (Natural Science Edition)},
volume = {47},
number = {4},
pages = {11-20},
keywords = {copper/copper compounds, electrochemistry, hydrothermal, porous materials},
url = {https://www.sciopen.com/article/10.19789/j.1004-9398.2026.04.002},
doi = {10.19789/j.1004-9398.2026.04.002},
abstract = {A novel porous CuO/Cu2O composite hollow sphere assembled with one-dimensional (1D) nanostructures was successfully synthesized by a facile one-pot surfactant and template-free hydrothermal method. The electrochemical performance evidently demonstrated that the achieved porous CuO/Cu2O composite hollow sphere was a very effective structure for solving the large volume expansion problem, which was serious issue for metal oxide anode materials. Compared to the initial cycle, the porous CuO/Cu2O composite hollow spheres maintain a high reversible capacity of 680 mAh/g after 500 cycles at 100 mA/g without capacity fading. Meanwhile, the porous CuO/Cu2O composite hollow spheres exhibit a good rate capability. The reversible capacity and cycling life significantly superior to those of reported CuO and Cu2O nanostructures as well as CuO/Cu2O h composite nanostructures, and the capacity fade was significantly inhibited. The excellent electrochemical performance of the CuO/Cu2O h composite hollow spheres for anode materials in lithium-ion (Li+) batteries are attributed to the efficient diffusion of Li+ and electron facilitated by porous and 1D nanostructures, which promotes the diffusion of Li+ and electrons, effectively mitigates the volume changes caused by mesopores and internal hollow spaces, and the synergistic effect between CuO and Cu2O within the porous CuO/Cu2O hollo composite hollow spheres.}
}