The initial stages of Li2O2 formation during oxygen reduction reaction in Li-O2 batteries: The significance of Li2O2 in charge-transfer reactions within devices

Josepetti, Daniela M.; Sousa, Bianca P.; Rodrigues, Simone A.J.; Freitas, Renato G.; Doubek, Gustavo

doi:10.1016/j.jechem.2023.09.034

Journal of Energy Chemistry

2024

DOI: 10.1016/j.jechem.2023.09.034

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The initial stages of Li2O2 formation during oxygen reduction reaction in Li-O2 batteries: The significance of Li2O2 in charge-transfer reactions within devices

Daniela M. Josepetti,

Bianca P. Sousa,

Simone A.J. Rodrigues

et al.

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2024

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Cited by 4 publications

References 75 publications

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Constructed Mott–Schottky Heterostructure Catalyst to Trigger Interface Disturbance and Manipulate Redox Kinetics in Li-O2 Battery

Xia,

Wang,

Gao

et al. 2024

Nano-Micro Lett.

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Lithium-oxygen batteries (LOBs) with high energy density are a promising advanced energy storage technology. However, the slow cathodic redox kinetics during cycling causes the discharge products to fail to decompose in time, resulting in large polarization and battery failure in a short time. Therefore, a self-supporting interconnected nanosheet array network NiCo2O4/MnO2 with a Mott–Schottky heterostructure on titanium paper (TP-NCO/MO) is ingeniously designed as an efficient cathode catalyst material for LOBs. This heterostructure can accelerate electron transfer and influence the charge transfer process during adsorption of intermediate by triggering the interface disturbance at the heterogeneous interface, thus accelerating oxygen reduction and oxygen evolution kinetics and regulating product decomposition, which is expected to solve the above problems. The meticulously designed unique structural advantages enable the TP-NCO/MO cathode catalyst to exhibit an astounding ultra-long cycle life of 800 cycles and an extraordinarily low overpotential of 0.73 V. This study utilizes a simple method to cleverly regulate the morphology of the discharge products by constructing a Mott–Schottky heterostructure, providing important reference for the design of efficient catalysts aimed at optimizing the adsorption of reaction intermediates.

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Constructed Mott–Schottky Heterostructure Catalyst to Trigger Interface Disturbance and Manipulate Redox Kinetics in Li-O2 Battery

Xia,

Wang,

Gao

et al. 2024

Nano-Micro Lett.

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show abstract

Engineering single-atom Mn on nitrogen-doped carbon to regulate lithium-peroxide reaction kinetics for rechargeable lithium-oxygen batteries

Huang,

Liu,

Liu

et al. 2024

Journal of Energy Chemistry

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How do high-voltage cathode and PEO electrolyte get along well? EIS analysis mechanism & potentiometric control strategy

Bai,

Zheng,

Zhang

et al. 2024

Journal of Energy Chemistry

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The initial stages of Li2O2 formation during oxygen reduction reaction in Li-O2 batteries: The significance of Li2O2 in charge-transfer reactions within devices

Cited by 4 publications

References 75 publications

Constructed Mott–Schottky Heterostructure Catalyst to Trigger Interface Disturbance and Manipulate Redox Kinetics in Li-O2 Battery

Constructed Mott–Schottky Heterostructure Catalyst to Trigger Interface Disturbance and Manipulate Redox Kinetics in Li-O2 Battery

Engineering single-atom Mn on nitrogen-doped carbon to regulate lithium-peroxide reaction kinetics for rechargeable lithium-oxygen batteries

How do high-voltage cathode and PEO electrolyte get along well? EIS analysis mechanism & potentiometric control strategy

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