Melamine Foam-Derived Carbon Scaffold for Dendrite-Free and Stable Zinc Metal Anode

Liu, Yong; Tao, Feng; Xing, Yibo; Pei, Yifei; Ren, Fengzhang

doi:10.3390/molecules28041742

Cited by 7 publications

(6 citation statements)

References 41 publications

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“…The authors have cited additional references within the Supporting Information [35][36][37][38][39]. The Supporting Information includes: digital photographs, XRD patterns, SEM images of the materials and detailed Electrochemical tests of the electrodes.…”

Section: Supporting Information Summarymentioning

confidence: 99%

Using Silica Aerogel Layers for the Stabilization of Zn Metal Anodes in Zn‐Ion Batteries

Zhang,

Jiang,

Ling

et al. 2024

ChemistrySelect

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Aqueous zinc ion batteries have the advantages of low cost, high safety, high theoretical specific capacity. However, the charging and discharging process is usually accompanied by side reactions such as dendrite growth, hydrogenolysis, corrosion of electrodes, passivation, etc., which limits the development and application. In this work, the zinc anode is modified by constructing a silica aerogel layer with ultra‐high specific surface area and abundant polar functional groups (−OH, −COOH, −CH3), which not only provides abundant active sites for the uniform deposition of zinc ions, but also construct an artificial protective layer that acting as a desolvation layer and a zinc ion flux regulator. Consequently, the altered zinc anode exhibits an extremely durable zincophilic characteristic and a declining interfacial impedance. The constructed artificial layer can prevent side reactions and promote uniform zinc ion deposition to prevent the generation of zinc dendrites during the charge/discharge process. Results show that the symmetric cells composed of modified Zn anodes can be stably cycled for more than 1100 h at 0.5 mA cm−2 and 0.5 mAh cm−2, which is much higher than that of bare Zn. In addition, the life and capacity retention of the Zn/MnO2 full cells were also significantly improved.

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Section: Supporting Information Summarymentioning

confidence: 99%

Using Silica Aerogel Layers for the Stabilization of Zn Metal Anodes in Zn‐Ion Batteries

Zhang,

Jiang,

Ling

et al. 2024

ChemistrySelect

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“…Moreover, corrosion and hydrogen evolution reactions (HERs) on the Zn anode further reduce the coulombic efficiency and lifespan of AZIBs [32,33]. In order to solve these problems of the Zn anode, researchers have made a lot of effort and put forward various improvement strategies; for example, electrolyte optimization [34], surface modification [35][36][37], 3D host structure design [38,39], and so on. Therein, surface modification, as one of the effective methods, can provide abundant nucleation sites, uniformize the Zn ion flux, and accelerate the desolvation process, which helps to inhibit dendrite growth and side reactions on the Zn anode to achieve high-performance AZIBs [40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in Metal–Organic Frameworks for the Surface Modification of the Zinc Metal Anode: A Review

Xing,

Feng,

Kong

et al. 2023

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Aqueous zinc ion batteries (AZIBs) are considered as one of the most promising energy storage technologies due to their advantages of being low in cost, high in safety, and their environmental friendliness. However, dendrite growth and parasitic side reactions on the zinc metal anode during cycling lead to a low coulombic efficiency and an unsatisfactory lifespan, which seriously hinders the further development of AZIBs. In this regard, metal–organic frameworks (MOFs) are deemed as suitable surface modification materials for the Zn anode to deal with the abovementioned problems because of their characteristics of a large specific surface area, high porosity, and excellent tunability. Considering the rapidly growing research enthusiasm for this topic in recent years, herein, we summarize the recent advances in the design, fabrication, and application of MOFs and their derivatives in the surface modification of the zinc metal anode. The relationships between nano/microstructures, synthetic methods of MOF-based materials, and the enhanced electrochemical performance of the zinc metal anode via MOF surface modification are systematically summarized and discussed. Finally, the existing problems and future development of this area are proposed.

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“…Lithium-ion batteries (LIBs) are the most extensively studied rechargeable batteries; however, they are not suitable for large-scale energy storage due to the scarcity of lithium resources and safety concerns [ 6 , 7 ]. Rechargeable AZIBs have been identified as an exceptionally promising solution owing to the intrinsic properties of the metal Zn anode, including a high theoretical capacity (820 mA h g −1 and 5854 mA h cm −3 ), low costs, the inherent safety of the aqueous electrolytes, environmental benignity, and easy production [ 8 , 9 , 10 , 11 ]. Despite the multiple advantages, Zn dendrites and side reactions obstruct the practical application of AZIBs.…”

Section: Introductionmentioning

confidence: 99%

Surfactant Additives Containing Hydrophobic Fluorocarbon Chains and Hydrophilic Sulfonate Anion for Highly Reversible Zn Anode

et al. 2023

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Aqueous zinc-ion batteries (AZIBs) show enormous potential as a large-scale energy storage technique. However, the growth of Zn dendrites and serious side reactions occurring at the Zn anode hinder the practical application of AZIBs. For the first time, we reported a fluorine-containing surfactant, i.e., potassium perfluoro-1-butanesulfonate (PPFBS), as an additive to the 2 M ZnSO4 electrolyte. Benefitting from its hydrophilic sulfonate anion and hydrophobic long fluorocarbon chain, PPFBS can promote the uniform distribution of Zn2+ flux at the anode/electrolyte interface, allowing the Zn/Zn cell to cycle for 2200 h. Furthermore, PPFBS could inhibit side reactions due to the existence of the perfluorobutyl sulfonate (C4F9SO3−) adsorption layer and the presence of C4F9SO3− in the solvation structure of Zn2+. The former can reduce the amount of H2O molecules and SO42− in contact with the Zn anode and C4F9SO3− entering the Zn2+-solvation structure by replacing SO42−. The Zn/Cu cell exhibits a superior average CE of 99.47% over 500 cycles. When coupled with the V2O5 cathode, the full cell shows impressive cycle stability. This work provides a simple, effective, and economical solution to the common issues of the Zn anode.

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Melamine Foam-Derived Carbon Scaffold for Dendrite-Free and Stable Zinc Metal Anode

Cited by 7 publications

References 41 publications

Using Silica Aerogel Layers for the Stabilization of Zn Metal Anodes in Zn‐Ion Batteries

Using Silica Aerogel Layers for the Stabilization of Zn Metal Anodes in Zn‐Ion Batteries

Recent Advances in Metal–Organic Frameworks for the Surface Modification of the Zinc Metal Anode: A Review

Surfactant Additives Containing Hydrophobic Fluorocarbon Chains and Hydrophilic Sulfonate Anion for Highly Reversible Zn Anode

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