Self-Assembled Monolayer Enables a Nucleophilic Interfacial Layer for Highly Reversible Zinc Metal Anode DOI
Pengfei Zhao, Guixin Wang,

Jianhui Zheng

et al.

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

Published: April 22, 2025

Aqueous zinc-ion batteries (AZIBs) are promising candidates for next-generation energy storage systems. However, the practical implementation is hindered by challenges associated with zinc (Zn) dendrite growth and parasitic side reactions. Here, we designed a self-assembled monolayer (SAM) using theanine (CA) to modify Zn anode. As expected, CA can strongly interact substrate through carboxyl groups, forming compact uniform SAM. The amino amide functional groups of exhibit high affinity, effectively regulating Zn2+ flux achieving deposition. ultrathin interface provided acts as barrier water molecules, thereby suppressing hydrogen evolution reactions (HER) minimizing formation undesirable byproducts. result, anodes protected demonstrate exceptional durability, operating over 2000 h at current density 5 mA cm-2 an areal capacity 2 mAh cm-2. Additionally, full cells paired NH4V4O10 cathodes also superior reaction reversibility retention. CA-based SAM holds promise overcoming critical faced in anode advancing development stable efficient AZIBs.

Language: Английский

Partially sulfurized NiMn-ZIF with high stability for aqueous nickel–zinc batteries DOI

Yiluo Tian,

Yichun Su,

Qian Li

et al.

Chemical Communications, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Ni-ZIF- X nanosheets were made via solvothermal method using nickel( ii ) nitrate hexahydrate and 2-methylimidazole. NiMn-ZIF NiMn-ZIF-S x similarly synthesized, with added metal/sulfur sources.

Language: Английский

Citations

0
Sustainable Release of Zincophilic Metal Ions from Separator Proactively Drives Interfacial Stabilization for Durable Zinc Anode DOI Open Access
Wen Liu,

Qiwen Zhao,

Siru He

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Abstract One of the important challenges in advancing aqueous zinc‐ion batteries is separator, which crucial for promoting stable electrode‐electrolyte interface and energy density battery. Herein, this study introduces a metal ion‐activated air‐laid paper (ALP Act) as an alternative traditional glass fiber separators with big thickness weight. Notably, sustainable release ions facilitates situ engineering, thus creating surface layer high zinc affinity to promote uniform migration deposition ions. By continuously adjusting interface, behaviors dendrite growth side reactions are effectively suppressed. Consequently, ALP Act continuous metal‐ion function enables anode attain 21‐fold increase running life beyond 3700 h compared conventional separator at 1 mA cm −2 l mAh . The Zn||Cu battery also achieves remarkable Coulombic efficiency 99.18% 2000 (1 /1 ). assembled Zn||NVO exhibits lifespan 3000 cycles charge discharge 3 A g −1 This research offers new avenue achieve low‐cost, long‐lasting, energy‐dense batteries.

Language: Английский

Citations

0
Revisiting Membrane‐Free Zn–Mn Redox Flow Batteries: An Innovative Universal Aspartic Acid Additive for Superior Stability DOI Creative Commons

Hyeokjun Jang,

Mu Geun Son,

Duho Han

et al.

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Abstract An all‐aqueous membrane‐free Zn–Mn redox flow battery utilizing deposition chemistry can be an excellent alternative to conventional aqueous batteries for reducing costs and improving stability. In the neutral/mildly acidic electrolyte environment of batteries, anode still suffers from issues such as zinc dendrite growth corrosion, while cathode struggles with poor reversibility. The same arise in that use a combined electrolyte, where both anolyte catholyte are combined. Therefore, it is possible simultaneously address by using single additive electrolyte. Here, aspartic acid introduced universal battery. bonded Zn surface, 2+ ions, Mn resolving almost all side reactions. Impressively, demonstrated remarkable cycling stability 300 cycles at areal capacity 10 mAh cm −2 . A new efficient strategy proposed controlling overall reactions simple addition integrated this report.

Language: Английский

Citations

0
Self-Assembled Monolayer Enables a Nucleophilic Interfacial Layer for Highly Reversible Zinc Metal Anode DOI
Pengfei Zhao, Guixin Wang,

Jianhui Zheng

et al.

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

Published: April 22, 2025

Aqueous zinc-ion batteries (AZIBs) are promising candidates for next-generation energy storage systems. However, the practical implementation is hindered by challenges associated with zinc (Zn) dendrite growth and parasitic side reactions. Here, we designed a self-assembled monolayer (SAM) using theanine (CA) to modify Zn anode. As expected, CA can strongly interact substrate through carboxyl groups, forming compact uniform SAM. The amino amide functional groups of exhibit high affinity, effectively regulating Zn2+ flux achieving deposition. ultrathin interface provided acts as barrier water molecules, thereby suppressing hydrogen evolution reactions (HER) minimizing formation undesirable byproducts. result, anodes protected demonstrate exceptional durability, operating over 2000 h at current density 5 mA cm-2 an areal capacity 2 mAh cm-2. Additionally, full cells paired NH4V4O10 cathodes also superior reaction reversibility retention. CA-based SAM holds promise overcoming critical faced in anode advancing development stable efficient AZIBs.

Language: Английский

Citations

0