Universal, minute-scale synthesis of transition metal compound nanocatalysts via graphene-microwave system for enhancing sulfur kinetics in lithium-sulfur batteries

Yang, Chao; Liu, Haoliang; Wang, Yijia; Yang, Jiaxi; Yin, Haosen; Deng, Leping; Bai, Yuge; Zhao, Bin; Xiao, Bing; Han, Xiaogang

doi:10.1016/j.jcis.2024.05.198

Journal of Colloid and Interface Science

2024

DOI: 10.1016/j.jcis.2024.05.198

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Universal, minute-scale synthesis of transition metal compound nanocatalysts via graphene-microwave system for enhancing sulfur kinetics in lithium-sulfur batteries

Chao Yang,

Haoliang Liu,

Yijia Wang

et al.

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2024

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Chromium Oxide Nanoparticles Anchored in Hydrogel-Derived Three-Dimensional N-Doped Porous Carbon Anode Materials as Lithium-Ion Batteries

Liu,

Geng,

Zhou

et al. 2024

Langmuir

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Transition metal oxides (TMOs) have been identified as the most promising anode materials for lithium-ion batteries (LIBs). However, these materials tend to undergo volumetric expansion during battery operation, which disrupts their internal structure and ultimately leads to a degradation of battery performance. Cr 2 O 3 /N-doped porous carbon (Cr 2 O 3 @NC) composites were successfully synthesized through high-temperature calcination using Cr 2 O 3 -containing hydrogels as precursors. The results show that the carbon material not only improves the electron transfer ability of Cr 2 O 3 but also effectively prevents its agglomeration. The Cr 2 O 3 @CN composite as a novel anode material for LIBs exhibits a reversible capacity of 936 mAh g −1 after 200 cycles at a current density of 1 A g −1 , showcasing excellent cycling and structural stability during cycling. Scanning electron microscopy analysis reveals that the Cr 2 O 3 @NC composite remains structurally intact throughout cycling. The innovative approach proposed in this study provides a new direction for the advancement of electrode materials for energy storage technologies.

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Chromium Oxide Nanoparticles Anchored in Hydrogel-Derived Three-Dimensional N-Doped Porous Carbon Anode Materials as Lithium-Ion Batteries

Liu,

Geng,

Zhou

et al. 2024

Langmuir

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show abstract

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Universal, minute-scale synthesis of transition metal compound nanocatalysts via graphene-microwave system for enhancing sulfur kinetics in lithium-sulfur batteries

Cited by 1 publication

References 54 publications

Chromium Oxide Nanoparticles Anchored in Hydrogel-Derived Three-Dimensional N-Doped Porous Carbon Anode Materials as Lithium-Ion Batteries

Chromium Oxide Nanoparticles Anchored in Hydrogel-Derived Three-Dimensional N-Doped Porous Carbon Anode Materials as Lithium-Ion Batteries

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