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Nitrogen-Doped Carbon/SiO x Composites from Rice Husks as a High-Performance Anode for Lithium-ion Batteries

20 Pages Posted: 15 Apr 2020

See all articles by Jiajia Song

Jiajia Song

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Shuowu Guo

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Lingjiang Kou

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Hui Liu

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Koji Kajiyoshi

Kochi University - Research Laboratory of Hydrothermal Chemistry

Jiaxin Su

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Peng Zheng

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Abstract

To promote the application of rice husks for commercial anode materials, nitrogen-doped carbon/SiOx (N-C/SiOx) composites were prepared from rice husks using ZnCl2 as morphology control agent and via a simple magnesiothermic reduction method. The composites exhibit high reversible capacity (1110 mAh g-1 at 100 mAg-1), excellent cycling stability and outstanding rate performance. The structure consisted of nanoparticles can release the stress generated during volume expansion timely. In addition, carbon provides good electronic conductivity and reduce the side reaction. The rice husks-drived N-C/SiOx composites with excellent electrochemical performance, which provide a promise for commercial of Si-based anode materials.

Keywords: rice husks, lithium ion batteries, SiOx/C, anode material

Suggested Citation

Song, Jiajia and Guo, Shuowu and Kou, Lingjiang and Liu, Hui and Kajiyoshi, Koji and Su, Jiaxin and Zheng, Peng, Nitrogen-Doped Carbon/SiO x Composites from Rice Husks as a High-Performance Anode for Lithium-ion Batteries. Available at SSRN: https://ssrn.com/abstract=3567478 or http://dx.doi.org/10.2139/ssrn.3567478

Jiajia Song (Contact Author)

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Xi’an, 710021
China

Shuowu Guo

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering ( email )

Xi’an, 710021
China

Lingjiang Kou

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Xi’an
China

Hui Liu

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Xi’an, 710021
China

Koji Kajiyoshi

Kochi University - Research Laboratory of Hydrothermal Chemistry ( email )

Kochi, 780-8081
Japan

Jiaxin Su

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering

Xi’an, 710021
China

Peng Zheng

Shaanxi University of Science and Technology - School of Material Science ＆ Engineering ( email )

Xi’an, 710021
China

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