Trace Amounts of Multifunctional Electrolyte Additives Enhance Cyclic Stability of High‐Rate Aqueous Zinc‐Ion Batteries DOI

Haoyu Feng,

Weihua Zhou, Zhuo Chen

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 22, 2024

Abstract Aqueous zinc ion batteries (AZIBs) are renowned for their exceptional safety and eco‐friendliness. However, they face cycling stability reversibility challenges, particularly under high‐rate conditions due to corrosion harmful side reactions. This work introduces fumaric acid (FA) as a trace amount, suitable high‐rate, multifunctional, low‐cost, environmentally friendly electrolyte additive address these issues. FA additives serve prioritized anchors form water‐poor Inner Helmholtz Plane on Zn anodes adsorb chemically anode surfaces establish unique in situ solid‐electrolyte interface. The combined mechanisms effectively inhibit dendrite growth suppress interfacial reactions, resulting excellent of anodes. Consequently, with just tiny quantities FA, achieve high Coulombic efficiency (CE) 99.55 % exhibit remarkable lifespan over 2580 hours at 5 mA cm −2 , 1 mAh Zn//Zn cells. Even (10 ), it can still run almost 2020 hours. Additionally, the Zn//V 2 O full cell retains specific capacity 106.95 g −1 after 2000 cycles A . provides novel design electrolytes AZIBs.

Language: Английский

Green Polymer Derived Multifunctional Layer Achieving Oriented Diffusion and Controllable Deposition of Zn2+ for Ultra-Durable Zinc-Ion Hybrid Supercapacitors DOI
Zhenxu Wang,

Jinyue Song,

Junlun Cao

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 10, 2025

Rampant dendrite growth and severe parasitic reactions at the electrode/electrolyte interface significantly limit cycle life of aqueous zinc ion hybrid supercapacitors (ZHSCs). In this study, sodium lignosulfonate (SLS) as one green polymer was introduced into ZnSO4 electrolyte to construct a multifunctional layer on surface Zn plates. Experimental analyses theoretical calculations show that presence SLS layer, rich in oxygen-containing functional groups (-SO3-), can not only modulate structure electric double (EDL) suppress interfacial side caused by free H2O SO42-, but also promote (101)-oriented deposition selectively controlling behavior Zn2+ through specific adsorption different crystalline surfaces. The optimized allows stable Zn//Zn symmetric cells achieve cumulative plating capacity exceeding 4 Ah cm-2 high areal 5 mAh cm-2, cycling for more than 1000 cycles with an excellent average Coulombic efficiency 99.34% Zn//Cu asymmetric cells. Zn//AC ZHSC exhibits ultralong stability over 40,000 electrolyte, decay rate low 0.000285% per cycle.

Language: Английский

Citations

0
Effect of F-doped ZnWO4 electrodes with oxygen vacancies on high-performance asymmetric supercapacitors DOI

Zhijin Zhu,

Fuqiang Chen,

Mingxu Yang

et al.

Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 118, P. 116264 - 116264

Published: March 18, 2025

Language: Английский

Citations

0
Kinetics‐Mediating Artificial Interphase for Ultrafast Zn Metal Anodes DOI Open Access
Qiaoyun Liu, Long Jiao,

Jizhen Wang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 23, 2024

Abstract Achieving long‐term cycling stability of Zn metal anodes at high rates is crucial for the practical applications aqueous ion batteries. However, sluggish kinetics deposition and uncontrollable dendrite growth electrolyte/electrode interface will inevitably lead to inferior energy efficiency limited lifespan. To address these challenges, a consecutive kinetics‐mediating mechanism proposed through development an in situ crafted amorphous zinc pyrophosphate (ZPPO) artificial interphase on anode (ZPPO@Zn). Experimental theoretical analyses indicate that designed can not only drive homogeneous diffusion 2+ enrichment reaction interface, but also simultaneously lower Gibbs free deposition, thus enabling dendrites‐free kinetics‐boosted electrodeposition under current densities. Notably, ZPPO@Zn electrode demonstrates exceptional lifespans, e.g., over 2800 750 h stable symmetrical cells densities 20 40 mA cm −2 , respectively, with low overpotential. Even challenging condition ultra‐high depth discharge (DOD) 80%, steady 130 maintained. This study provides new insights into design optimization interfacial engineering fabricating high‐performance anodes.

Language: Английский

Citations

2
Trace Amounts of Multifunctional Electrolyte Additives Enhance Cyclic Stability of High‐Rate Aqueous Zinc‐Ion Batteries DOI

Haoyu Feng,

Weihua Zhou, Zhuo Chen

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 22, 2024

Abstract Aqueous zinc ion batteries (AZIBs) are renowned for their exceptional safety and eco‐friendliness. However, they face cycling stability reversibility challenges, particularly under high‐rate conditions due to corrosion harmful side reactions. This work introduces fumaric acid (FA) as a trace amount, suitable high‐rate, multifunctional, low‐cost, environmentally friendly electrolyte additive address these issues. FA additives serve prioritized anchors form water‐poor Inner Helmholtz Plane on Zn anodes adsorb chemically anode surfaces establish unique in situ solid‐electrolyte interface. The combined mechanisms effectively inhibit dendrite growth suppress interfacial reactions, resulting excellent of anodes. Consequently, with just tiny quantities FA, achieve high Coulombic efficiency (CE) 99.55 % exhibit remarkable lifespan over 2580 hours at 5 mA cm −2 , 1 mAh Zn//Zn cells. Even (10 ), it can still run almost 2020 hours. Additionally, the Zn//V 2 O full cell retains specific capacity 106.95 g −1 after 2000 cycles A . provides novel design electrolytes AZIBs.

Language: Английский

Citations

1