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Core-leaf onion-like carbon/MnO2 hybrid nano-urchins for rechargeable lithium-ion batteries

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posted on 2024-11-15, 11:00 authored by Ye Wang, Zhao Jun Han, Siu Fung Yu, Ran Ran Song, Huai He Song, Kostya (Ken) Ostrikov, Hui Ying Yang
A hybrid nano-urchin structure consisting of spherical onion-like carbon and MnO2 nanosheets is synthesized by a facile and environmentally-friendly hydrothermal method. Lithium-ion batteries incorporating the hybrid nano-urchin anode exhibit reversible lithium storage with superior specific capacity, enhanced rate capability, stable cycling performance, and nearly 100% Coulombic efficiency. These results demonstrate the effectiveness of designing hybrid nano-architectures with uniform and isotropic structure, high loading of electrochemically-active materials, and good conductivity for the dramatic improvement of lithium storage.

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Citation

Wang, Y., Han, Z., Yu, S., Song, R., Song, H., Ostrikov, K. & Yang, H. (2013). Core-leaf onion-like carbon/MnO2 hybrid nano-urchins for rechargeable lithium-ion batteries. Carbon, 64 (November), 230-236.

Journal title

Carbon

Volume

64

Pagination

230-236

Language

English

RIS ID

80987

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