How About Vanadium‐Based Compounds as Cathode Materials for Aqueous Zinc Ion Batteries?

Advanced Science, Journal Year: 2023, Volume and Issue: 10(12)

Published: Jan. 22, 2023

Aqueous zinc-ion batteries (AZIBs) stand out among many monovalent/multivalent metal-ion as promising new energy storage devices because of their good safety, low cost, and environmental friendliness. Nevertheless, there are still great challenges to exploring new-type cathode materials that suitable for Zn

Language: Английский

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Insights on Artificial Interphases of Zn and Electrolyte: Protection Mechanisms, Constructing Techniques, Applicability, and Prospective

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(14)

Published: Jan. 25, 2023

Abstract Aqueous zinc‐ion batteries (ZIBs) with metallic Zn anodes have emerged as promising candidates for large‐scale energy storage systems due to their inherent safety and competitive capacity. However, challenges of anodes, including dendrite growth side reactions, impede the commercialization ZIBs. The regulation Zn/electrolyte interphase is a feasible method achieve high‐performance ZIBs prolonged lifespan high reversibility. Considering as‐made artificial result combination protection materials, mechanisms, construction techniques, this review comprehensively summarizes recent progress modulation provides systematic guideline constructing ideal layers. In addition revealing entanglement relationship between failure behaviors timely concluding emerging mechanisms stable interphase, also evaluates techniques in regard commercialization, engineering workflow, strength, shortcoming, applicable effect, aiming pave way practical application. Finally, presents noteworthy points layer. It expected that can enlighten researchers not only explore interphases application, but design other metal aqueous similar behaviors.

Language: Английский

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Regulating the Inner Helmholtz Plane with a High Donor Additive for Efficient Anode Reversibility in Aqueous Zn‐Ion Batteries

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(21)

Published: March 24, 2023

The performance of aqueous Zn ion batteries (AZIBs) is highly dependent on inner Helmholtz plane (IHP) chemistry. Notorious parasitic reactions containing hydrogen evolution (HER) and dendrites both originate from abundant free H2 O random deposition inside active IHP. Here, we report a universal high donor number (DN) additive pyridine (Py) with only 1 vol. % addition (Py-to-H2 volume ratio), for regulating molecule distribution Density functional theory (DFT) calculations molecular dynamics (MD) simulation verify that incorporated Py could tailor Zn2+ solvation sheath exclude molecules IHP effectively, which in favor preventing decomposition. Consequently, even at extreme conditions such as depth discharge (DOD) 80 %, the symmetric cell based can sustain approximately 500 h long-term stability. This efficient strategy DN additives furnishes promising direction designing novel electrolytes promoting practical application AZIBs, despite inevitably introducing trace organic additives.

Language: Английский

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Achieving Stable Zinc Metal Anode Via Polyaniline Interface Regulation of Zn Ion Flux and Desolvation

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(5)

Published: Feb. 23, 2023

Abstract Aqueous zinc‐ion batteries feature high safety, low cost, and relatively energy density; however, their cycle life is hindered by severe Zn dendrite formation water‐induced parasitic reactions. Herein, a porous polyaniline (PANI) interfacial layer developed on the surface of metal anode to regulate transport deposition 2+ , achieving an ultra‐stable highly reversible anode. Specifically, abundant polar groups (NH N) in PANI have strong attraction H 2 O, which can trap immobilize O molecules around . Moreover, protective regulates ion flux behavior through confinement effect. Consequently, Zn@PANI exhibits improved plating/stripping with nucleation overpotential (37.9 mV) at 2.0 mA cm ‐2 compared that bare The MnO //Zn@PANI cell demonstrates capacity retention 94.3% after 1000 cycles 1.0 A g −1 This study lays foundation for accessible interface engineering in‐depth mechanistic analysis

Language: Английский

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Dextran: A Multifunctional and Universal Electrolyte Additive for Aqueous Zn Ion Batteries

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(37)

Published: Aug. 13, 2023

Abstract The aqueous Zn ion battery (ZIB) is a potentially sustainable energy storage device. However, its performance still far from satisfactory. Herein, it demonstrated that branched sugar, dextran, widely used in eyedrop products to relieve irritated eyes, multifunctional and universal electrolyte additive enable high‐performance ZIBs. Experimental theoretical results reveal dextran has four functions: forming surface protective layer minimize side reactions, facilitating stepwise [Zn(H 2 O) 6 ] 2+ desolvation, preferably adsorbing on Zn(0002) planes supply desolvated homogenizing electric field. These functions are universally observed Zn(CF 3 SO ) , ZnSO 4 Zn(ClO ZnCl electrolytes. As demonstrations for practical applications, anodes deliver Coulombic efficiency of 99.97% after 3400 cycles an with 50 mg mL ‒1 cumulative plating capacity mAh cm ‒2 at 5 mA . Zn//V O full cells low negative/positive electrode ratio 2.18 can be stably cycled over 138 1 A g Pouch work under mechanical bending conditions. Zn//polyaniline cycle steadily 3000 0.5 −10 °C. Dextran shows excellent potential as low‐cost non‐toxic safe reliable

Language: Английский

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Advances in the structure design of substrate materials for zinc anode of aqueous zinc ion batteries

Green Energy & Environment, Journal Year: 2022, Volume and Issue: 8(6), P. 1531 - 1552

Published: Sept. 5, 2022

Aqueous zinc ion batteries (AZIBs) demonstrate tremendous competitiveness and application prospects because of their abundant resources, low cost, high safety, environmental friendliness. Although the advanced electrochemical energy storage systems based on have been greatly developed, many severe problems associated with Zn anode impede its practical application, such as dendrite formation, hydrogen evolution, corrosion passivation phenomenon. To address these drawbacks, electrolytes, separators, alloys, interfacial modification structural design employed at present by scientists. Among them, for is relatively mature, which generally believed to enhance electroactive surface area anode, reduce local current density, promote uniform distribution ions anode. In order explore new research directions, it crucial systematically summarize materials. Herein, this review focuses challenges in strategies three-dimensional (3D) structure substrate materials including carbon materials, metal other Finally, future directions perspectives about are presented developing high-performance AZIBs.

Language: Английский

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

Rare Metals, Journal Year: 2023, Volume and Issue: 42(9), P. 2868 - 2905

Published: July 30, 2023

Language: Английский

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Metal-organic frameworks and beyond: The road toward zinc-based batteries

Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 488, P. 215190 - 215190

Published: May 2, 2023

Language: Английский

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Engineering Covalent Organic Frameworks Toward Advanced Zinc‐Based Batteries

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(24)

Published: March 16, 2024

Zinc-based batteries (ZBBs) have demonstrated considerable potential among secondary batteries, attributing to their advantages including good safety, environmental friendliness, and high energy density. However, ZBBs still suffer from issues such as the formation of zinc dendrites, occurrence side reactions, retardation reaction kinetics, shuttle effects, posing a great challenge for practical applications. As promising porous materials, covalent organic frameworks (COFs) derivatives rigid skeletons, ordered structures, permanent porosity, which endow them with application in ZBBs. This review, therefore, provides systematic overview detailing on COFs structure pertaining electrochemical performance ZBBs, following an depth discussion challenges faced by includes dendrites reactions at anode, well dissolution, structural change, slow effect cathode. Then, COF-correlated materials roles various are highlighted. Finally, outlined outlook future development is provided. The review would serve valuable reference further research into utilization

Language: Английский

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Cu‐Modified Ti₃C₂Cl₂ MXene with Zincophilic and Hydrophobic Characteristics as a Protective Coating for Highly Stable Zn Anode

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(18)

Published: Feb. 12, 2023

Abstract Zn anode is a promising candidate for aqueous batteries, but suffers from the dendrite growth and side reaction issues, leading to short cycling life unsatisfactory reversibility. Herein, Cu‐modified Ti 3 C 2 Cl MXene (Cu‐MXene) with high zincophilic hydrophobic property prepared one‐step molten salt etching method. Serving as protective coating on anode, Cu‐MXene can provide massive nucleation sites uniformize charge distribution, homogenous deposition. Moreover, prevent electrolyte, beneficial suppressing reactions such hydrogen evolution corrosion. Therefore, stable reversible plating/stripping achieved coated by Cu‐MXene, which delivers an extended of over 1000 h low polarization within 120 mV at 10 mA cm −2 , coulombic efficiency 99.6% 1100 cycles, indicating excellent stability reversibility stripping/plating. The practical full cell coupled NaV O 8 ·1.5H cathode also displays performance cycles. proposed reveals prospect designing highly be other energy storage systems based metal anodes.

Language: Английский

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