In Situ Spontaneous Construction of Zinc Phosphate Coating Layer Toward Highly Reversible Zinc Metal Anodes DOI

Shu Xia,

Qiuyang Luo,

Junnan Liu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(29)

Published: Feb. 13, 2024

Aqueous zinc ion batteries have received widespread attention due to their merits of high safety, theoretical specific capacity, low cost, and environmental benignity. Nevertheless, the irreversible issues Zn anode deriving from side reactions dendrite growth hindered its commercialization in large-scale energy storage systems. Herein, a phosphate tetrahydrate (Zn

Language: Английский

Wood-inspired anisotropic hydrogel electrolyte with large modulus and low tortuosity realizing durable dendrite-free zinc-ion batteries DOI Creative Commons
Jizhang Chen, Minfeng Chen, Hongli Chen

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(21)

Published: May 15, 2024

While aqueous zinc-ion batteries exhibit great potential, their performance is impeded by zinc dendrites. Existing literature has proposed the use of hydrogel electrolytes to ameliorate this issue. Nevertheless, mechanical attributes electrolytes, particularly modulus, are suboptimal, primarily ascribed substantial water content. This drawback would severely restrict dendrite-inhibiting efficacy, especially under large mass loadings active materials. Inspired structural characteristics wood, study endeavors fabricate anisotropic carboxymethyl cellulose electrolyte through directional freezing, salting-out effect, and compression reinforcement, aiming maximize modulus along direction perpendicular electrode surface. The heightened concurrently serves suppress vertical deposition intermediate product at cathode. Meanwhile, oriented channels with low tortuosity enabled structure beneficial ionic transport between anode Comparative analysis an isotropic sample reveals a marked enhancement in both conductivity hydrogel. contributes significantly improved stripping/plating reversibility mitigated electrochemical polarization. Additionally, durable quasi-solid-state Zn//MnO 2 battery noteworthy volumetric energy density realized. offers unique perspectives for designing augmenting performance.

Language: Английский

Citations

27
Separators in aqueous zinc-ion batteries: Interfacial chemistry and optimization strategies DOI
Yang Lu, Miao Zhou,

Yijian Xie

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: 67, P. 103271 - 103271

Published: Feb. 16, 2024

Language: Английский

Citations

24
Ion‐Sieving Effect Enabled by Sulfonation of Cellulose Separator Realizing Dendrite‐Free Zn Deposition DOI
Weijun Zhou, Ming Yang, Minfeng Chen

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(27)

Published: March 7, 2024

Abstract Aqueous zinc‐ion batteries (AZIBs) hold great potential for grid‐scale energy storage systems, owing to their intrinsic safety and low cost. Nevertheless, industrialization faces challenges of severe Zn dendrites parasitic reactions. In this study, sulfonated cellulose separator (denoted as CF‐SO 3 ) with thickness, exceptional mechanical strength, large ionic conductivity is developed. Benefiting from the electrostatic repulsion between ─SO − functional groups SO 4 2− anions strongly interaction 2+ cations, migration can be restricted, 2D diffusion ions at surface electrode suppressed, desolvation hydrated promoted. Concurrently, homogeneous nanochannels within ensure uniform electric field ion flux. With these benefits, enables Zn//Zn cells run stably 1200 h mAh cm −2 by facilitating oriented dendrite‐free deposition. Under a depth discharge 68.3%, life span 400 still achieved. Additionally, reliability confirmed in Zn//MnO 2 Zn//H 11 Al V 6 O 23.2 full high mass loading conditions. This work provides valuable guidance advancement high‐performance separators AZIBs.

Language: Английский

Citations

23
Zinc‐Ion Anchor Induced Highly Reversible Zn Anodes for High Performance Zn‐Ion Batteries DOI
Shuang Zhou, Xinyu Meng, Yining Chen

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(24)

Published: April 5, 2024

Unstable Zn interface with serious detrimental parasitic side-reactions and uncontrollable dendrites severely plagues the practical application of aqueous zinc-ion batteries. The stability was closely related to electrolyte configuration

Language: Английский

Citations

23
In Situ Spontaneous Construction of Zinc Phosphate Coating Layer Toward Highly Reversible Zinc Metal Anodes DOI

Shu Xia,

Qiuyang Luo,

Junnan Liu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(29)

Published: Feb. 13, 2024

Aqueous zinc ion batteries have received widespread attention due to their merits of high safety, theoretical specific capacity, low cost, and environmental benignity. Nevertheless, the irreversible issues Zn anode deriving from side reactions dendrite growth hindered its commercialization in large-scale energy storage systems. Herein, a phosphate tetrahydrate (Zn

Language: Английский

Citations

22