Emerging strategies for steering orientational deposition toward high-performance Zn metal anodes

Energy & Environmental Science, Год журнала: 2022, Номер 15(12), С. 5017 - 5038

Опубликована: Янв. 1, 2022

Obtaining smooth plating layers by steering Zn orientational deposition is the key to achieving longevous anodes. The design strategies of inducing and relating mechanistic insights are reviewed.

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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ZnF₂‐Riched Inorganic/Organic Hybrid SEI: in situ‐Chemical Construction and Performance‐Improving Mechanism for Aqueous Zinc‐ion Batteries

Angewandte Chemie International Edition, Год журнала: 2022, Номер 62(7)

Опубликована: Дек. 7, 2022

Uncontrolled dendrites growth and serious parasitic reactions in aqueous electrolytes, greatly hinder the practical application of zinc-ion battery. On basis situ-chemical construction performance-improving mechanism, multifunctional fluoroethylene carbonate (FEC) is introduced into electrolyte to construct a high-quality ZnF2 -riched inorganic/organic hybrid SEI (ZHS) layer on Zn metal anode (ZMA) surface. Notably, FEC additive can regulate solvated structure Zn2+ reduce H2 O molecules reactivity. Additionally, ZHS with strong affinity avoid formation direct contact between anode. Therefore, growth, corrosion, evolution reaction ZMA FEC-included ZnSO4 are highly suppressed. Thus, such realize long cycle life over 1000 h deliver stable coulombic efficiency 99.1 % after 500 cycles.

Язык: Английский

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Rational Design of Flexible Zn-Based Batteries for Wearable Electronic Devices

ACS Nano, Год журнала: 2023, Номер 17(3), С. 1764 - 1802

Опубликована: Янв. 30, 2023

The advent of 5G and the Internet Things has spawned a demand for wearable electronic devices. However, lack suitable flexible energy storage system become "Achilles' Heel" Additional problems during transformation battery structure from conventional to also present severe challenge design. Flexible Zn-based batteries, including Zn-ion batteries Zn–air have long been considered promising candidates due their high safety, eco-efficiency, substantial reserve, low cost. In past decade, researchers come up with elaborate designs each portion improve ionic conductivities, mechanical properties, environment adaptabilities, scalable productions. It would be helpful summarize reported strategies compare pros cons facilitate further research toward commercialization batteries. this review, current progress in developing is comprehensively reviewed, electrolytes, cathodes, anodes, discussed terms synthesis, characterization, performance validation. By clarifying challenges design, we methodology previous investigations propose future development. end, paradigm summarized fit burgeoning requirement devices an iterative process, which will benefit development

Язык: Английский

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Polyhydroxylated Organic Molecular Additives for Durable Aqueous Zinc Battery

Advanced Functional Materials, Год журнала: 2023, Номер 34(4)

Опубликована: Сен. 27, 2023

Abstract The large‐scale deployment of aqueous Zn‐ion batteries is hindered by Zn anode instability including surface corrosion, hydrogen gas evolution, and irregular deposition. To tackle these challenges, a polyhydroxylated organic molecular additive, trehalose, incorporated to refine the solvation structure promote planar Within regions involving hydroxy groups participate in reconstruction bond networks, which increases overpotential for water decomposition reaction. Moreover, at metal–molecule interface, chemisorption trehalose onto zinc enhances corrosion resistance facilitates deposition manner. optimized electrolyte significantly improves striping/plating reversibility maintains stable potentials over 1600 h 5 mA cm −2 with cutoff capacity 1 symmetric cells. When combined MnO 2 cathode, assembled coin cell retains ≈89% its after 1000 cycles. This molecule emphasizing role molecules fine‐tuning structures anode/electrolyte interfaces, holds promise enhancing various metal batteries.

Язык: Английский

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Alloying Strategy for High-Performance Zinc Metal Anodes

ACS Energy Letters, Год журнала: 2022, Номер 8(1), С. 457 - 476

Опубликована: Дек. 9, 2022

Owing to the advantages of low cost, high energy density, and environment friendly, aqueous zinc ion batteries (AZIBs) are considered as promising storage devices. Inevitable dendrites, corrosion, passivation, hydrogen evolution reactions anodes have seriously hampered practical application AZIBs. To address above-mentioned issues, anode alloying is proposed an emerging modification strategy. Therefore, it essential systematically summarize obtained research results on strategies analyze new perspectives. Based presented studies anode, different improvement mechanisms described, such artificial interface alloy protective layer, electrostatic shielding effect, heterogeneous seeds zincophilic sites, vertical plane matching strategy, etc. According synthesis methods action, recent advances been summarized. Finally, potential development prospects for further upgrading presented.

Язык: Английский

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Optimization strategies toward advanced aqueous zinc-ion batteries: From facing key issues to viable solutions

Nano Energy, Год журнала: 2023, Номер 116, С. 108858 - 108858

Опубликована: Сен. 2, 2023

Язык: Английский

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Layered oxide cathodes for sodium‐ion batteries: From air stability, interface chemistry to phase transition

InfoMat, Год журнала: 2023, Номер 5(6)

Опубликована: Май 8, 2023

Abstract Sodium‐ion batteries (SIBs) are considered as a low‐cost complementary or alternative system to prestigious lithium‐ion (LIBs) because of their similar working principle LIBs, cost‐effectiveness, and sustainable availability sodium resources, especially in large‐scale energy storage systems (EESs). Among various cathode candidates for SIBs, Na‐based layered transition metal oxides have received extensive attention relatively large specific capacity, high operating potential, facile synthesis, environmental benignity. However, there series fatal issues terms poor air stability, unstable cathode/electrolyte interphase, irreversible phase that lead unsatisfactory battery performance from the perspective preparation application, outside inside oxide cathodes, which severely limit practical application. This work is meant review these critical problems associated with cathodes understand fundamental roots degradation mechanisms, provide comprehensive summary mainstream modification strategies including chemical substitution, surface modification, structure modulation, so forth, concentrating on how improve reduce interfacial side reaction, suppress realizing structural reversibility, fast Na + kinetics, superior electrochemical performance. The advantages disadvantages different discussed, insights into future challenges opportunities also presented. image

Язык: Английский

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Functional carbon materials for high-performance Zn metal anodes

Journal of Energy Chemistry, Год журнала: 2022, Номер 75, С. 135 - 153

Опубликована: Авг. 4, 2022

Язык: Английский

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MXene‐Boosted Imine Cathodes with Extended Conjugated Structure for Aqueous Zinc‐Ion Batteries

Advanced Materials, Год журнала: 2022, Номер 34(50)

Опубликована: Окт. 21, 2022

Organic molecules have been considered promising energy-storage materials in aqueous zinc-ion batteries (ZIBs), but are plagued by poor conductivity and structural instability because of the short-range conjugated structure low molecular weight. Herein, an imine-based tris(aza)pentacene (TAP) with extended effects along CN backbones is proposed, which situ injected into layered MXene to form a TAP/Ti3 C2 Tx cathode. Theoretical electrochemical analyses reveal selective H+ /Zn2+ co-insertion/extraction mechanism TAP, ascribed steric effect on availability active sites. Moreover, Ti3 , as conductive scaffold, favors fast Zn2+ diffusion boost electrode kinetics TAP. Close electronic interactions between TAP preserve integrity during repeated charge/discharge. Accordingly, cathode delivers high reversible capacity 303 mAh g-1 at 0.04 A ZIBs, also realizes ultralong lifetime over 10 000 cycles retention 81.6%. Furthermore, flexible Zn||TAP/Ti3 quasi-solid-state electrolyte demonstrate potential application wearable devices. This work offers pivotal guidance create highly stable organic electrodes for advanced ZIBs.

Язык: Английский

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