A twisted carbonaceous nanotube as the air-electrode for flexible Zn–Air batteries

Hua, Rong; Bao, Zijia; Peng, Yuxin; Lei, Haitao; Liang, Zuozhong; Zhang, Wei; Cao, Rui; Zheng, Haoquan

doi:10.1039/d3cc06143d

Chem. Commun.

2024

DOI: 10.1039/d3cc06143d

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A twisted carbonaceous nanotube as the air-electrode for flexible Zn–Air batteries

Rong Hua,

Zijia Bao,

Yuxin Peng

et al.

Abstract: Exploring electrocatalysts with high-efficiency oxygen reduction reaction (ORR) is significant for practical applications of fuel cells and metal-air batteries. In this work, a twisted core@shell material has been prepared with...

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Cited by 3 publications

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Lewis Acid Sites in Hollow Cobalt Phytate Micropolyhedra Promote the Electrocatalytic Water Oxidation

Qi,

Chen,

Gao

et al. 2024

ChemSusChem

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The acid‐base microenvironment of the metal center is crucial for constructing advanced oxygen evolution reaction (OER) electrocatalysts. However, the correlation between acidic site and OER performance remains unclear for cobalt‐based catalysts. Herein, Lewis acid sites in hollow cobalt phytate micropolyhedra (M‐CoPA, M = Cu, Sr) were synthesized by a cation‐exchange strategy, and their OER performances were studied systematically. Experimentally, Lewis acid Cu2+ sites with stronger Lewis acidity exhibited superior intrinsic activity and long‐term stability in alkaline electrolytes. The spectroscopic and electrochemical studies show Lewis acid sites in hollow cobalt phytate micropolyhedra can modulate the electronic distribution of the adjacent cobalt center and further optimize the adsorption strength of oxygenated species. This study figures out the effect of Lewis acid sites on the OER kinetics and provides an effective way to develop high‐efficiency electrocatalysts for energy conversion systems.

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Lewis Acid Sites in Hollow Cobalt Phytate Micropolyhedra Promote the Electrocatalytic Water Oxidation

Qi,

Chen,

Gao

et al. 2024

ChemSusChem

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Structure adjustment on Fe-based electrocatalyst to regulate oxygen reduction reaction selectivity for Zn-air battery and H2O2 production

Shi,

Hu,

et al. 2024

Inorganic Chemistry Communications

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Iron- and carbon-based nanocomposites as anode modifiers in microbial fuel cells for wastewater treatment and power generation applications

Zahran

2024

Journal of Water Process Engineering

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A twisted carbonaceous nanotube as the air-electrode for flexible Zn–Air batteries

Abstract: Exploring electrocatalysts with high-efficiency oxygen reduction reaction (ORR) is significant for practical applications of fuel cells and metal-air batteries. In this work, a twisted core@shell material has been prepared with...

Cited by 3 publications

References 42 publications

Lewis Acid Sites in Hollow Cobalt Phytate Micropolyhedra Promote the Electrocatalytic Water Oxidation

Lewis Acid Sites in Hollow Cobalt Phytate Micropolyhedra Promote the Electrocatalytic Water Oxidation

Structure adjustment on Fe-based electrocatalyst to regulate oxygen reduction reaction selectivity for Zn-air battery and H2O2 production

Iron- and carbon-based nanocomposites as anode modifiers in microbial fuel cells for wastewater treatment and power generation applications

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