Physical analysis of self-discharge mechanism for supercapacitor electrode for hybrid electric energy storage system

Zhao, Weinan; Zuo, Zhengxing; Hamza, Muhammad; Jia, Boru; Feng, Huihua; Mei, Bing-ang

doi:10.1016/j.geits.2023.100123

Cited by 7 publications

References 47 publications

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Desolvation Effect Triggered by TiS₂‐TiO₂ Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

Chen,

Zhou,

Wang

et al. 2024

Adv Funct Materials

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Aqueous Zn ion batteries (AZIBs) represent a promising candidate for the next‐generation energy storage and conversion systems due to their high safety and cost‐effectiveness. However, sluggish kinetics arising from interface desolvation processes pose challenges in achieving high‐power density and long cycle life for AZIBs. Here, it is discovered for the first time that heterostructures utilize built‐in electric field forces to promote the desolvation process at the electrode‐electrolyte interface. Density functional theory (DFT) calculations and structural characterization demonstrate that heterogeneous structures simultaneously accelerate the desolvation process and enhance ion diffusion, resulting in the outstanding rate performance (160.9 mA h g−1 at 5 A g−1) of TiS2‐TiO2 heterostructures, far exceeding that of a conventional TiS2 electrode with 14.2% capacity retention. Meanwhile, the insertion/extraction of the desolvated charge carriers reduced the volume change of TiS2‐TiO2 material during the charging/discharging processes, enabling the long‐lasting cycling stability (108.6 mA h g−1 after 2000 cycles at 0.5 A g−1). This study provides instructive electrode design strategies for the construction of fast‐charging electrochemical energy storage systems.

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Desolvation Effect Triggered by TiS₂‐TiO₂ Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

Chen,

Zhou,

Wang

et al. 2024

Adv Funct Materials

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A Hybrid Energy Storage System for Rechargeable Vehicles

Rao,

Kumar,

Goud

et al. 2024

Smart Innovation, Systems and Technologies

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Investigating the synergistic effects of NbCo-oxide composite electrodes in supercapacitor and water splitting applications via hydrothermal synthesis

Teli,

Beknalkar,

Burungale

et al. 2024

Journal of Energy Storage

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Physical analysis of self-discharge mechanism for supercapacitor electrode for hybrid electric energy storage system

Cited by 7 publications

References 47 publications

Desolvation Effect Triggered by TiS₂‐TiO₂ Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

Desolvation Effect Triggered by TiS₂‐TiO₂ Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

A Hybrid Energy Storage System for Rechargeable Vehicles

Investigating the synergistic effects of NbCo-oxide composite electrodes in supercapacitor and water splitting applications via hydrothermal synthesis

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Physical analysis of self-discharge mechanism for supercapacitor electrode for hybrid electric energy storage system

Cited by 7 publications

References 47 publications

Desolvation Effect Triggered by TiS2‐TiO2 Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

Desolvation Effect Triggered by TiS2‐TiO2 Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

A Hybrid Energy Storage System for Rechargeable Vehicles

Investigating the synergistic effects of NbCo-oxide composite electrodes in supercapacitor and water splitting applications via hydrothermal synthesis

Contact Info

Product

Resources

About

Desolvation Effect Triggered by TiS₂‐TiO₂ Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries

Desolvation Effect Triggered by TiS₂‐TiO₂ Heterostructure for Ultrahigh‐Rate Aqueous Zinc‐Ion Batteries