High Volumetric Capacity of Hollow Structured SnO<sub>2</sub>@Si Nanospheres for Lithium-Ion Batteries.
basic_science · Level V
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- Record sourced from PubMed, PMID 28537737.
- Also identified by DOI 10.1021/acs.nanolett.7b01674.
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Abstract
A novel design of hollow structured SnO<sub>2</sub>@Si nanospheres was presented, which not only demonstrates high volumetric capacity as anode of LIBs, but also prevents aggregation of Sn and confines solid electrolyte interphase thickening. An impressive volumetric specific capacity of 1030 mAh cm<sup>-3</sup> was maintained after 500 cycles. The electrochemical impedance spectroscopy and differential scanning calorimetry indicated that solid electrolyte interphase can be confined in pores of as-prepared hollow structured SnO<sub>2</sub>@Si.