Journal
MATERIALS LETTERS
Volume 234, Issue -, Pages 375-378Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.09.144
Keywords
Lithium-ion battery; Li2SnO3; Li2SiO3; Nanocomposites; Energy storage and conversation
Funding
- Key Science and Technology Research Program of Henan province [152102210106, 162102310152]
- Key Science Research Program of High School of Henan province [16A480007]
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Li2SiO3@Li2SnO3/SnO2 composite has been prepared through a hydro-thermal method. The composite is with well crystalline and more pure when the doping content of Si powder is 0.3 g. The Li2SnO3 is a bulk structure with the diameter of 400 nm while Li2SiO3@Li2SnO3/SnO2 possesses the bulk structure heaped together by several nanoparticles, which can relieve the large volume change of the composite and then ensure the well cycling and rate properties. When charged and discharged at the current density of 150 mA/g, the composite shows a high initial discharge capacity of 1205.7 mAh/g. (C) 2018 Elsevier B.V. All rights reserved.
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