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

Advanced Science, Год журнала: 2023, Номер 10(12)

Опубликована: Янв. 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

Язык: Английский

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

Advanced Functional Materials, Год журнала: 2023, Номер 33(14)

Опубликована: Янв. 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.

Язык: Английский

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

Advanced Functional Materials, Год журнала: 2023, Номер 34(5)

Опубликована: Фев. 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

Язык: 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, Год журнала: 2023, Номер 62(21)

Опубликована: Март 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.

Язык: Английский

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

Advanced Energy Materials, Год журнала: 2023, Номер 13(37)

Опубликована: Авг. 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

Язык: Английский

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

Green Energy & Environment, Год журнала: 2022, Номер 8(6), С. 1531 - 1552

Опубликована: Сен. 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.

Язык: Английский

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

Rare Metals, Год журнала: 2023, Номер 42(9), С. 2868 - 2905

Опубликована: Июль 30, 2023

Язык: Английский

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

Coordination Chemistry Reviews, Год журнала: 2023, Номер 488, С. 215190 - 215190

Опубликована: Май 2, 2023

Язык: Английский

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Tailoring desolvation strategies for aqueous zinc-ion batteries

Energy & Environmental Science, Год журнала: 2024, Номер 17(14), С. 4819 - 4846

Опубликована: Янв. 1, 2024

This review provides a comprehensive overview detailing the advancements in desolvation strategies pertaining to aqueous zinc-ion batteries (AZIBs) performances, addressing applications and working mechanisms of AZIBs.

Язык: Английский

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Stabilizing Zn Metal Anode Through Regulation of Zn Ion Transfer and Interfacial Behavior with a Fast Ion Conductor Protective Layer

Small, Год журнала: 2023, Номер 19(47)

Опубликована: Июль 24, 2023

Aqueous Zn-ion batteries (AZIBs) attract intensive attention owing to their environmental friendliness, cost-effectiveness, innate safety, and high specific capacity. However, the practical applications of AZIBs are hindered by several adverse phenomena, including corrosion, Zn dendrites, hydrogen evolution. Herein, a anode decorated with 3D porous-structured Na3 V2 (PO4)3 (NVP@Zn) is obtained, where NVP reconstruct electrolyte/anode interface. The resulting NVP@Zn can provide large quantity fast stable channels, facilitating enhanced ion deposition kinetics regulating ions transport process through confinement effect. NASICON-type protective layer promote desolvation due its nanopore structure, thus effectively avoiding side reactions. Theoretical calculations indicate that electrode has higher binding energy migration barrier, which demonstrates enhance prevent unfettered 2D diffusion ions. Therefore, results show NVP@Zn/MnO2 full cell maintain discharge capacity 168 mAh g-1 high-capacity retention rate 74.6% after cycling. extraordinary obtained this strategy have confirmed promising in high-performance AZIBs.

Язык: Английский

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