A supercritical growth strategy for 1T/2H mixed-phase MoS2 nanosheets of high activity and stability

Kong, Wencheng; Li, C.Y.; Wu, Weibing

doi:10.1016/j.ijhydene.2023.04.318

International Journal of Hydrogen Energy

2023

DOI: 10.1016/j.ijhydene.2023.04.318

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A supercritical growth strategy for 1T/2H mixed-phase MoS2 nanosheets of high activity and stability

Wencheng Kong

C.Y. Li

Weibing Wu

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Cited by 10 publications

References 51 publications

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In Situ Vertically Aligned MoS₂ Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

Tang,

Liao,

et al. 2023

Advanced Energy Materials

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Bromine‐based flow batteries (Br‐FBs) are highly competitive for stationary energy storage due to their high energy density and cost‐effectiveness. However, adding bromine complexing agents (BCAs) to electrolytes slows down Br2/Br− reaction kinetics, causing higher polarization and lower power density of Br‐FBs. Herein, in situ vertically aligned MoS2 nanosheet arrays on traditional carbon felt substrates as electrodes to construct high power–density BCA‐free Br‐FBs are proposed. MoS2 arrays exhibit strong adsorption capacity to bromine, which helps the electrodes capture and retain bromine species. Even without BCAs, the battery self‐discharge caused by bromine diffusion is also inhibited. Moreover, the rate‐determining step of Br2/Br− reactions is boosted and the vertically aligned array structure provides sufficient sites, motivating Br2/Br− reaction kinetics and decreasing the battery polarization. The capacity retention rate of the BCA‐free Br‐FB based on MoS2 arrays‐based electrodes reaches 46.34% after the 24‐h standing test at 80 mA cm−2, meeting the requirements of practical applications. Most importantly, this BCA‐free Br‐FB exhibits a high Coulombic efficiency of 97.00% and an ultralong cycle life of 1000 cycles at a high current density of 200 mA cm−2. This work provides an available approach to developing advanced electrode materials for high power–density and long‐lifespan Br‐FBs.

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In Situ Vertically Aligned MoS₂ Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

Tang,

Liao,

et al. 2023

Advanced Energy Materials

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High-yield preparation of 1T-MoS2 with excellent piezo-catalytic activity via W6+ doping for antibiotics degradation and Cr(VI) reduction: Mechanistic insights from characterizations to DFT calculations

Chen,

Pan,

et al. 2025

Applied Catalysis B: Environment and Energy

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In-situ bond conversion strategy to construct Pt/1T-MoS2 heterojunctions by MOF-confinement for hydrogen evolution reaction in wide-pH-value water and seawater

Hao,

Lu,

Liu

et al. 2025

Fuel

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A supercritical growth strategy for 1T/2H mixed-phase MoS2 nanosheets of high activity and stability

Cited by 10 publications

References 51 publications

In Situ Vertically Aligned MoS₂ Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

In Situ Vertically Aligned MoS₂ Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

High-yield preparation of 1T-MoS2 with excellent piezo-catalytic activity via W6+ doping for antibiotics degradation and Cr(VI) reduction: Mechanistic insights from characterizations to DFT calculations

In-situ bond conversion strategy to construct Pt/1T-MoS2 heterojunctions by MOF-confinement for hydrogen evolution reaction in wide-pH-value water and seawater

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A supercritical growth strategy for 1T/2H mixed-phase MoS2 nanosheets of high activity and stability

Cited by 10 publications

References 51 publications

In Situ Vertically Aligned MoS2 Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

In Situ Vertically Aligned MoS2 Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

High-yield preparation of 1T-MoS2 with excellent piezo-catalytic activity via W6+ doping for antibiotics degradation and Cr(VI) reduction: Mechanistic insights from characterizations to DFT calculations

In-situ bond conversion strategy to construct Pt/1T-MoS2 heterojunctions by MOF-confinement for hydrogen evolution reaction in wide-pH-value water and seawater

Contact Info

Product

Resources

About

In Situ Vertically Aligned MoS₂ Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan

In Situ Vertically Aligned MoS₂ Arrays Electrodes for Complexing Agent‐Free Bromine‐Based Flow Batteries with High Power Density and Long Lifespan