Everlasting Living and Breathing Gyroid 3D Network in Si@SiOx/C Nanoarchitecture for Lithium Ion Battery

ACS Nano
Jaewoo LeeJung Ho Kim

Abstract

Silicon-based materials are the most promising candidates to surpass the capacity limitation of conventional graphite anode for lithium ion batteries. Unfortunately, Si-based materials suffer from poor cycling performance and dimensional instability induced by the large volume changes during cycling. To resolve such problems, nanostructured silicon-based materials with delicately controlled microstructure and interfaces have been intensively investigated. Nevertheless, they still face problems related to their high synthetic cost and their limited electrochemical properties and thermal stability. To overcome these drawbacks, we demonstrate the strategic design and synthesis of a gyroid three-dimensional network in a Si@SiO x /C nanoarchitecture (3D-Si@SiO x /C) with synergetic interaction between the computational prediction and the synthetic optimization. This 3D-Si@SiO x /C exhibits not only excellent electrochemical performance due to its structural stability and superior ion/electron transport but also enhanced thermal stability due to the presence of carbon, which was formed by a cost-effective one-pot synthetic route. We believe that our rationally designed 3D-Si@SiO x /C will lead to the development of anode materials fo...Continue Reading

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Citations

May 27, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Nan ZhangLixin Chen
Jun 15, 2021·Nano Convergence·Jaewoo LeeJung Ho Kim
Jul 9, 2021·ACS Applied Materials & Interfaces·Jeonghyeop LeeKyu Tae Lee
Jul 25, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Anupriya K HaridasJou-Hyeon Ahn
Jan 8, 2020·ACS Applied Materials & Interfaces·Wenliang FengVinodkumar Etacheri

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