Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 167, Issue 2, Pages -Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1945-7111/ab6fec
Keywords
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Funding
- National Natural Science Foundation of China [U1637202, 51634003]
- National Key R&D Program of China [2018YFB0905600]
- Beijing Municipal Education Commission-Natural Science Foundation Joint Key Project [KZ201910005003]
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Silicon suboxide (SiOx, 0 < x < 2) is considered as one of the most promising anode materials for lithium ion batteries (LIBs) due to its high specific capacity. However, the mechanical instability of SiOx during charge/discharge process easily leads to electrode pulverization and thus fast performance degradation. Herein, we report a facile self-template method to synthesize a porous Si/SiOx/C composite, in which interconnected Si/SiOx nanoparticles are coated by thin carbon layer. As anode material for LIBs, the highly porous Si/SiOx/C presents high electrochemical performance, especially the excellent rate capability. (C) 2020 The Electrochemical Society (ECS). Published on behalf of ECS by IOP Publishing Limited.
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