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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 2/2018

20.10.2017

Easy hydrothermal synthesis of multi-shelled La2O3 hollow spheres for lithium-ion batteries

verfasst von: Shaohua Qu, Yinkai Yu, Kejun Lin, Peiyu Liu, Chenhui Zheng, Liuding Wang, Tingting Xu, Zhengdong Wang, Hongjing Wu

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 2/2018

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Abstract

Herein, uniform triple-shelled La2O3 hollow spheres were synthesized for the first time by a facile one-pot hydrothermal method capable of controlling the number of internal thin-shells, which can be achieved by controlling the calcination temperature. Used as anodes for Li-ion batteries, the triple-shelled La2O3 hollow spheres show excellent cycling performance, good rate capacity, and high specific capacity. A superior capacity, up to 108 mAh g−1 with minimal irreversible capacity after 100 cycles is achieved at a current rate of 100 mA g−1. After the high-rate charge–discharge cycling, a specific discharge capacity as high as 190.1 mAh g−1 can be restored when the current density is reduced to 50 mA g−1 (theoretical specific capacity = 246.8 mAh g−1).
Vorheriger Artikel Influence of Cu incorporation on ionic conductivity and dielectric relaxation mechanism in NiO thin films synthesized by CBD
Nächster Artikel Dy2O3/CuO nanocomposites: microwave assisted synthesis and investigated photocatalytic properties

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Metadaten
Titel
Easy hydrothermal synthesis of multi-shelled La2O3 hollow spheres for lithium-ion batteries
verfasst von
Shaohua Qu
Yinkai Yu
Kejun Lin
Peiyu Liu
Chenhui Zheng
Liuding Wang
Tingting Xu
Zhengdong Wang
Hongjing Wu
Publikationsdatum
20.10.2017
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 2/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-017-8025-9

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