A General and Mild Approach to Controllable Preparation of Manganese-Based Micro- and Nanostructured Bars for High Performance Lithium-Ion Batteries

Angewandte Chemie
Guo MaMei Li

Abstract

One-dimensional (1D) micro- and nanostructured electrode materials with controllable phase and composition are appealing materials for use in lithium-ion batteries with high energy and power densities, but they are challenging to prepare. Herein, a novel ethanol-water mediated co-precipitation method by a chimie douce route (synthesis conducted under mild conditions) has been exploited to selectively prepare an extensive series of manganese-based electrode materials, manifesting the considerable generalizability and efficacy of the method. Moreover, by simply tuning the mixed solvent and reagents, transition metal oxide bars with differing aspect ratios and compositions were prepared with an unprecedented uniformity. Application prospects are demonstrated by Li-rich 0.5 Li2 MnO3 ⋅0.5 LiNi1/3 Co1/3 Mn1/3 O2 bars, which demonstrate excellent reversible capacity and rate capability thanks to the steerable nature of the synthesis and material quality. This work opens a new route to 1D micro- and nanostructured materials by customizing the precipitating solvent to orchestrate the crystallization process.

References

May 4, 2005·Nature Materials·Antonino Salvatore AricòWalter van Schalkwijk
Mar 8, 2011·Journal of the American Chemical Society·Naoaki YabuuchiShinichi Komaba
Apr 18, 2013·The Journal of Physical Chemistry Letters·Haijun Yu, Haoshen Zhou

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Citations

Jul 29, 2017·Journal of the American Chemical Society·Tian-Qi ZhangLi-Jun Wan
Feb 8, 2018·Scientific Reports·Colin CampbellSeungbum Hong
Apr 1, 2021·ACS Applied Materials & Interfaces·Wei TangYu Zhang

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