Porous Multicomponent Mn–Sn–Co Oxide Microspheres as Anodes for High-Performance Lithium-Ion Batteries

Porous multicomponent Mn–Sn–Co oxide microspheres (MnSnO3–MC400 and MnSnO3–MC500) have been fabricated using CoSn­(OH)6 nanocubes as templates via controlling pyrolysis of a CoSn­(OH)6/Mn0.5Co0.5CO3 precursor at different temperatures in N2. During the pyrolysis process of CoSn­(OH)6/Mn0.5Co0.5CO3 f...

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Bibliographic Details
Published in:ACS omega 2019-10, Vol.4 (14), p.16016-16025
Main Authors: Yang, Hongxun, Wu, Bin, Liu, Yongmin, Wang, Zhenkang, Xu, Minghang, Yang, Tongyi, Chen, Yingying, Wang, Changhua, Lin, Shengling
Format: Article
Language:English
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Summary:Porous multicomponent Mn–Sn–Co oxide microspheres (MnSnO3–MC400 and MnSnO3–MC500) have been fabricated using CoSn­(OH)6 nanocubes as templates via controlling pyrolysis of a CoSn­(OH)6/Mn0.5Co0.5CO3 precursor at different temperatures in N2. During the pyrolysis process of CoSn­(OH)6/Mn0.5Co0.5CO3 from 400 to 500 °C, the part of (Co,Mn)­(Co,Mn)2O4 converts into MnCo2O4 accompanied with structural transformation. The MnSnO3–MC400 and MnSnO3–MC500 microspheres as secondary nanomaterials consist of MnSnO3, MnCo2O4, and (Co,Mn)­(Co,Mn)2O4. Benefiting from the advantages of multicomponent synergy and porous secondary nanomaterials, the MnSnO3–MC400 and MnSnO3–MC500 microspheres as anodes exhibit the specific capacities of 1030 and 750 mA h g–1 until 1000 cycles at 1 A g–1 without an obvious capacity decay, respectively.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.9b02129