Sub-millisecond lithiothermal synthesis of graphitic meso–microporous carbon

Huimin Zhang, Jingyi Qiu, Jie Pang, Gaoping Cao, Bingsen Zhang, Li Wang, Xiangming He, Xuning Feng, Shizhou Ma, Xinggao Zhang, Hai Ming, Zhuangnan Li, Feng Li () and Hao Zhang ()
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Huimin Zhang: Research Institute of Chemical Defense
Jingyi Qiu: Research Institute of Chemical Defense
Jie Pang: Henan University
Gaoping Cao: Research Institute of Chemical Defense
Bingsen Zhang: Chinese Academy of Sciences
Li Wang: Tsinghua University
Xiangming He: Tsinghua University
Xuning Feng: Tsinghua University
Shizhou Ma: Research Institute of Chemical Defense
Xinggao Zhang: Research Institute of Chemical Defense
Hai Ming: Research Institute of Chemical Defense
Zhuangnan Li: University of Cambridge
Feng Li: Chinese Academy of Sciences
Hao Zhang: Research Institute of Chemical Defense

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Porous carbons with concurrently high specific surface area and electronic conductivity are desirable by virtue of their desirable electron and ion transport ability, but conventional preparing methods suffer from either low yield or inferior quality carbons. Here we developed a lithiothermal approach to bottom–up synthesize highly meso–microporous graphitized carbon (MGC). The preparation can be finished in a few milliseconds by the self-propagating reaction between polytetrafluoroethylene powder and molten lithium (Li) metal, during which instant ultra-high temperature (>3000 K) was produced. This instantaneous carbon vaporization and condensation at ultra-high temperatures and in ultra-short duration enable the MGC to show a highly graphitized and continuously cross-coupled open pore structure. MGC displays superior electrochemical capacitor performance of exceptional power capability and ultralong-term cyclability. The processes used to make this carbon are readily scalable to industrial levels.

Date: 2024
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DOI: 10.1038/s41467-024-47916-y

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