Review of vanadium-based oxide cathodes as aqueous zinc-ion batteries

Chen, Min; Zhang, Shu-Chao; Zou, Zhengguang; Zhong, Shenglin; Ling, Wenqin; Geng, Jing; Liang, Fangan; Peng, Xudong; Gao, Yang; Yu, Feng

doi:10.1007/s12598-023-02303-2

Cited by 65 publications

(9 citation statements)

References 184 publications

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“…48,49 Benefiting from the uniform Zn 2+ flux and suitable charge transfer rate, the MDMF interlayer effectively improves the stability of Zn anodes and obtains higher reversible capacities. 50 Excellent electrochemical performance of MDMF@Zn anodes in full cells demonstrates their potential as functional anodes for AZIBs.…”

Section: ■ Results and Discussionmentioning

confidence: 97%

“…Impressively, the MDMF@Zn//V 2 O 5 cell exhibited ultralong cycle stability of 3000 cycles at a current density of 5.0 A g –1 , which was enhanced over the Zn//V 2 O 5 cell (Figure g). Furthermore, the CE of Zn//V 2 O 5 cells using bare Zn anodes is unstable, caused by HER and other side reactions during charge and discharge. , Benefiting from the uniform Zn 2+ flux and suitable charge transfer rate, the MDMF interlayer effectively improves the stability of Zn anodes and obtains higher reversible capacities . Excellent electrochemical performance of MDMF@Zn anodes in full cells demonstrates their potential as functional anodes for AZIBs.…”

Section: Resultsmentioning

confidence: 99%

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Fluoride-Based Artificial Interface for a Highly Reversible Zn Metal Anode Interlayer in Aqueous Zinc-Ion Batteries

Wang,

Zhao,

et al. 2023

ACS Sustainable Chem. Eng.

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Zn metal is considered as one of the best anode alternatives for rechargeable aqueous zinc-ion batteries (AZIBs) due to its high theoretical capacity (820 mAh g −1 and 5855 mAh cm −3 ), low electrochemical potential (−0.76 V vs standard hydrogen electrode), abundance, and safety. However, some irreversible problems such as dendrite growth and parasitic side reactions are knotty issues that seriously affect the cycle stability and Coulombic efficiency. Here, we rationalize the design of a modified interlayer of MgF 2 nanocrystals grown on a monolayer MoS 2 substrate (MDMF) on the surface of Zn. The introduced fluorine atom plays a significant role in motivating fast Zn 2+ transfer kinetics as a zincophilic site, which can be partially converted to ZnF 2 as an artificial solid Zn 2+ conductor to further guide uniform zinc deposition. This inorganic layer successfully could induce dendrite-free Zn deposition at the interface, inhibiting Zn dendrite formation and interfacial side reactions. As a result, the MDMF@Zn anode achieved high reversibility with 99% Coulombic efficiency and long cycle stability of 700 cycles at 5 mA cm −2 , demonstrating ultrastable stripping/plating behavior. In addition, the assembled MDMF@Zn//V 2 O 5 full cell showed good cycling stability (150.9 mAh g −1 after 1000 cycles at a current density of 1.0 A g −1 ) and excellent rate performance. Accordingly, the intermediate layer described in this work provides a new insight into designing stable and dendrite-free AZIBs.

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Section: ■ Results and Discussionmentioning

confidence: 97%

Section: Resultsmentioning

confidence: 99%

Fluoride-Based Artificial Interface for a Highly Reversible Zn Metal Anode Interlayer in Aqueous Zinc-Ion Batteries

Wang,

Zhao,

et al. 2023

ACS Sustainable Chem. Eng.

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“…Aqueous zinc batteries possess distinct advantages in terms of cost‐efficiency, abundant raw materials, high safety, reasonable energy density, and eco‐friendliness [1–4] . They emerge as a promising energy storage system to complement lithium‐ion batteries in large‐scale energy storage applications.…”

Section: Introductionmentioning

confidence: 99%

In‐Situ Spontaneous Electropolymerization Enables Robust Hydrogel Electrolyte Interfaces in Aqueous Batteries

Chen,

Xiao,

Yang

et al. 2024

Angew Chem Int Ed

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Hydrogels hold great promise as electrolytes for emerging aqueous batteries, for which establishing a robust electrode‐hydrogel interface is crucial for mitigating side reactions. Conventional hydrogel electrolytes fabricated by ex‐situ polymerization through either thermal stimulation or photo exposure cannot ensure complete interfacial contact with electrodes. Herein, we introduce an in‐situ electropolymerization approach for constructing hydrogel electrolytes. The hydrogel is spontaneously generated during the initial cycling of the battery, eliminating the need of additional initiators for polymerization. The involvement of electrodes during the hydrogel synthesis yields well‐bonded and deep infiltrated electrode‐electrolyte interfaces. As a case study, we attest that, the in‐situ formed polyanionic hydrogel in Zn‐MnO2 battery substantially improves the stability and kinetics of both Zn anode and porous MnO2 cathode owing to the robust interfaces. This research provides insight to the function of hydrogel electrolyte interfaces and constitute a critical advancement in designing highly durable aqueous batteries.

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“…15 However, vanadium nitride as an anode material suffers from some problems, including easy dissolution, structural deformation, and poor cycling stability during reaction. To improve the stability of the material, strategies, such as morphology design modification, 16 conductive substance coating, 17 and metal ion doping, can be introduced into VN anode materials. 18 For modifying the morphology design, Bi et al prepared two-dimensional VN nanosheets with conductivity as high as 1.44 Â 10 5 S m À1 by ammonia annealing treatment.…”

Section: Introductionmentioning

confidence: 99%

Carbon-enveloped pea-shaped vanadium nitride nanorods for aqueous zinc ion batteries

Luo,

Cui,

Liang

et al. 2024

J. Mater. Chem. C

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Review of vanadium-based oxide cathodes as aqueous zinc-ion batteries

Cited by 65 publications

References 184 publications

Fluoride-Based Artificial Interface for a Highly Reversible Zn Metal Anode Interlayer in Aqueous Zinc-Ion Batteries

Fluoride-Based Artificial Interface for a Highly Reversible Zn Metal Anode Interlayer in Aqueous Zinc-Ion Batteries

In‐Situ Spontaneous Electropolymerization Enables Robust Hydrogel Electrolyte Interfaces in Aqueous Batteries

Carbon-enveloped pea-shaped vanadium nitride nanorods for aqueous zinc ion batteries

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