Surface Corrosion Engineering Endows Mn-Doped NiCo2O4 Nanosheets with High Capacity and Long Life for Alkaline Zn-Based Batteries DOI

Guiyuan Liu,

Yuan Liu,

Jun Luo

et al.

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(6), P. 2234 - 2240

Published: March 7, 2024

NiCo2O4 for alkaline Zn-based batteries (AZBs) suffers from low capacity and an unsatisfactory cycling life. Meanwhile, the widespread application of is seriously limited by costly tedious synthetic procedures. In this work, a facile economically efficient surface corrosion strategy demonstrated to fabricate high-performance Mn-doped (SMNC) nanosheet cathode AZBs. Compares undoped (SNC), SMNC shows enhanced mass transfer ability increased active sites. Consequently, Zn/SMNC cell reaches big areal 0.58 mA h cm–2 at 2 as well ultralong cycle life with 95% retention over 6000 cycles. This work provides effective, low-cost, method prepare advanced materials

Language: Английский

Synergistic Engineering of Carbon Nanotubes Threaded NiSe2/Co3Se4 Quantum Dots with Rich Se Vacancies for High‐Rate Nickel–Zinc Batteries DOI
Guochang Li, Yifan Tang,

Shuangxing Cui

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(32)

Published: March 1, 2024

Abstract Limited by sluggish reaction kinetics, insufficient electrode utilization and severe volume deformation, designing nickel‐based materials with high capacity rate capability is still a challenge. Herein, carbon nanotubes threaded NiSe 2 /Co 3 Se 4 quantum dots embedded in nanospheres rich vacancies both Co elaborately designed via MOF template method. The formation mechanism of the elucidated for first time, which ascribed to release gas during decomposition organic ligand inhibits ordered arrangement atoms. CNT‐V‐NiCoSe possesses many significant superiorities, such as sufficiently exposed active sites, utilization, favorable charge‐carrier migration, relaxed structure deformation. Consequently, shows top‐level specific (384 mAh g −1 at 1 A ), ultrahigh (209 150 ) remarkable cycling durability. CNT‐V‐NiCoSe//Zn battery achieves maximum energy density 615.6 Wh kg power 81.7 kW . Density functional theory calculations elucidate improve states Fermi level, facilitates internal charge transfer, enhances OH − adsorption ability. This study provides guidance preparation high‐performance

Language: Английский

Citations

20

A universal fabrication strategy for MOFs-driven vanadium-based composite for aqueous zinc ion batteries DOI

Xiuting Wu,

Lian Luo,

Shini Peng

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 482, P. 148836 - 148836

Published: Jan. 18, 2024

Language: Английский

Citations

16

Hierarchical Structured SrV2O6/2D-V2CTX MXene Nanohybrid Material for Robust and High-Capacity Aqueous Zn-Ion Batteries DOI

Lena Seyfarth,

Sajan Raj S L,

Vigna Kumaran

et al.

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(4), P. 1433 - 1439

Published: Feb. 2, 2024

High capacity, good cyclic stability, and high energy density cathode materials for aqueous Zn-ion batteries are an ongoing challenge researchers. Here, we prepared SrV2O6 nanoparticles by a simple hydrothermal method to use as the material batteries, which has moderate specific capacity stability. To further increase its electrode performance, nanoparticle-anchored 2D-V2CTx MXene is successfully fabricated, significant improvement in structural stability than SrV2O6-based electrode. The displays initial of 348 mA h g–1 at 0.1 C rate because large surface area electrical conductivity. It exhibits more 1000 cycles with 79% retention. shows better performance 330 Wh kg–1 power 245 Wg–1. This work will expand available options develop metal−vanadium-oxide-based storage devices.

Language: Английский

Citations

13

V4C3 MXene-derived Zn0.99V5O12·nH2O nanoribbons as advanced cathodes for ultra-long life aqueous zinc-ion batteries DOI
Wenhai Xiao, Shenghong Yang, Rui Jiang

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(9), P. 5530 - 5539

Published: Jan. 1, 2024

Zn 0.99 V 5 O 12 · n H 2 nanoribbons deliver a low decay ratio of 0.000687% per cycle at A g −1 over 15 000 cycles due to charge transfer resistance, high D 2+ , capacitive contribution, and excellent reversible phase transition.

Language: Английский

Citations

13

High‐Performance Azo Cathodes Enabled by N‐Heteroatomic Substitution for Zinc Batteries with a Self‐Charging Capability DOI

Dawei Du,

Yuqi Chen, Hao Zhang

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(33)

Published: May 31, 2024

Redox-active azo compounds are emerging as promising cathode materials due to their multi-electron redox capacity and fast response. However, practical application is often limited by low output voltage poor thermal stability. Herein, we use a heteroatomic substitution strategy develop 4,4'-azopyridine. This modification results in 350 mV increase reduction potential compared traditional azobenzene, increasing the energy density at material level from 187 291 Wh kg

Language: Английский

Citations

11

Synthesis and characterization of a NiCo2S4 and mesoporous carbon nanocomposite for energy storage DOI
Liyuan Qin, Zhenhua Cui, Zhiwei Hou

et al.

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 97, P. 112873 - 112873

Published: July 17, 2024

Language: Английский

Citations

10

Ethylene Glycol‐Choline Chloride Based Hydrated Deep Eutectic Electrolytes Enabled High‐Performance Zinc‐Ion Battery DOI
P. Rangaswamy,

Hyocheol Lee,

Hyo‐Won Bae

et al.

Small, Journal Year: 2024, Volume and Issue: 20(35)

Published: April 23, 2024

Aqueous rechargeable zinc-ion batteries (ARZIBs) are considered as an emerging energy storage technology owing to their low cost, inherent safety, and reasonable density. However, significant challenges associated with electrodes, aqueous electrolytes restrict rapid development. Herein, ethylene glycol-choline chloride (Eg-ChCl) based hydrated deep-eutectic (HDEEs) proposed for RZIBs. Also, a novel V

Language: Английский

Citations

9

Promoted de-solvation effect and dendrite-free Zn deposition enabled by in-situ formed interphase layer for high-performance zinc-ion batteries DOI Open Access

Binxin Song,

Qiongqiong Lu, Xinyu Wang

et al.

Energy Materials, Journal Year: 2025, Volume and Issue: 5(3)

Published: Jan. 11, 2025

The use of aqueous electrolytes and Zn metal anodes in Zn-based energy storage systems provides several benefits, including competitive density, excellent safety, low cost. However, dendrites growth slow ion transfer at the electrode/electrolyte interphase reduce cycle stability rate capability anode. Herein, V2O5-x interface layer was rationally controllably constructed on surface through situ spontaneous redox reaction between V2O5 layer, with an optimized thickness, plays a crucial role screening de-solvation, leading to uniform dispersion Zn2+ ions dendrite-free morphology. Moreover, as transports V element low-valence state allows oxygen anions bind more easily Zn2+. This interaction enables fast diffusion channel interfacial layer. Consequently, symmetric cells V@Zn achieve stable plating/stripping for than 1400 h 1 mA cm-2. In particular, full cell paired cathode exhibits capacity nearly 275.9 g-1 5 A after 2500 cycles without obvious deterioration, further highlighting potential practical applications.

Language: Английский

Citations

1

Sec-butanol as a bifunctional electrolyte additive to effectively improve electrochemical performance of V2O5//Zn battery DOI
Shuo Yang, Guang‐Peng Wu, Jing Zhang

et al.

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 687, P. 691 - 700

Published: Feb. 16, 2025

Language: Английский

Citations

1

Lithium Bond‐Mediated Molecular Cascade Hydrogel for Injury‐Free and Repositionable Adhesive Bioelectronic Interfaces DOI Open Access
Lin Li, Bingsen Wang, Haotian Zhang

et al.

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

Published: March 13, 2025

Abstract Flexible bioelectronic interfaces with adhesive properties are essential for advancing modern medicine and human‐machine interactions. However, achieving both stable adhesion non‐damaging detachment remains a significant challenge. In this study, lithium bond‐mediated molecular cascade hydrogel (LMCH) is designed, which facilitates robust at the tissue level permits atraumatic repositioning as required. By integrating of structure elastic characteristics interface, LMCH interface not only achieved high strength (197 J m −2 ) on skin, but also significantly extended cracking cycles surface during peeling process from 4 to 380, marking an enhancement nearly two orders magnitude. Furthermore, Young's modulus similar that human (25 kPa), exceptional stretchability (1080%), ionic conductivity (7.14 S −1 ), demonstrates outstanding compatibility, biocompatibility, detection capabilities electrocardiogram (ECG) electromyogram (EMG) signals. This study presents new insights potential bioelectronics implantable technologies.

Language: Английский

Citations

1