Abstract
The volume expansion effect is a huge challenge for commercial use of Li-SnO2 batteries. In this paper, hydroxyapatite nanowires (HN) were used as the support for nanometer tin oxide to prepare the SnO2/HN-180 materials. During the electrochemical reaction, the SnO2/HN-180 materials react with lithium ions to form tin phosphate and lithium phosphate, which can effectively reduce the formation of Li2O and reduce the first irreversible capacity. The SnO2/HN-180 batteries show high specific capacity(1793.71 mAh g−1 of 100 mAh g−1), excellent cycle performance(1212.01 mAh g-1 after 500 cycles), excellent coulombic efficiency(99.89 %) and low internal resistance. Electrochemical test data show that the specific capacity of SnO2/HN-180 materials are much higher than that of graphite materials(782 mAh g-1). The SnO2/HN-180 materials are expected to become a commercial anode materials in the future.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
More From: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.