Multifunctional Cellulose Nanocrystals Electrolyte Additive Enable Ultrahigh‐Rate and Dendrite‐Free Zn Anodes for Rechargeable Aqueous Zinc Batteries DOI

Qing Wu,

Jun Huang, Jinlong Zhang

et al.

Angewandte Chemie, Journal Year: 2024, Volume and Issue: 136(14)

Published: Feb. 2, 2024

Abstract The design of aqueous zinc (Zn) chemistry energy storage with high rate‐capability and long serving life is a great challenge due to its inhospitable coordination environment dismal interfacial chemistry. To bridge this big gap, herein, we build highly reversible Zn battery by taking advantages the biomass‐derived cellulose nanocrystals (CNCs) electrolyte additive unique physical chemical characteristics simultaneously. CNCs not only serves as fast ion carriers for enhancing 2+ transport kinetics but regulates interface form dynamic self‐repairing protective interphase, resulting in building ultra‐stable anodes under extreme conditions. As result, engineered system achieves superior average coulombic efficiency 97.27 % 140 mA cm −2 , steady charge–discharge 982 h 50 mAh which proposes universal pathway green, sustainable, large‐scale applications.

Language: Английский

Guiding Zn Uniform Deposition with Polymer Additives for Long‐lasting and Highly Utilized Zn Metal Anodes DOI

Doudou Feng,

Yucong Jiao, Peiyi Wu

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(51)

Published: Nov. 6, 2023

The parasitic side reaction on Zn anode is the key issue which hinders development of aqueous Zn-based energy storage systems power-grid applications. Here, a polymer additive (PMCNA) engineered by copolymerizing 2-methacryloyloxyethyl phosphorylcholine (MPC) and N-acryloyl glycinamide (NAGA) was employed to regulate deposition environment for satisfying inhibition performance during long-term cycling with high utilization. PMCNA can preferentially adsorb metal surface form uniform protective layer effective water molecule repelling resistance. In addition, guide nucleation along 002 plane further dendrite suppression. Consequently, enable Zn//Zn battery an ultrahigh depth discharge (DOD) 90.0 % over 420 h, Zn//active carbon (AC) capacitor long lifespan, Zn//PANI utilization 51.3 at low N/P ratio 2.6.

Language: Английский

Citations

99
Design Strategies for Aqueous Zinc Metal Batteries with High Zinc Utilization: From Metal Anodes to Anode-Free Structures DOI Creative Commons
Xian‐Fu Zhang, Long Zhang,

Xinyuan Jia

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Jan. 4, 2024

Aqueous zinc metal batteries (AZMBs) are promising candidates for next-generation energy storage due to the excellent safety, environmental friendliness, natural abundance, high theoretical specific capacity, and low redox potential of (Zn) metal. However, several issues such as dendrite formation, hydrogen evolution, corrosion, passivation Zn anodes cause irreversible loss active materials. To solve these issues, researchers often use large amounts excess ensure a continuous supply materials anodes. This leads ultralow utilization squanders density AZMBs. Herein, design strategies AZMBs with discussed in depth, from utilizing thinner foils constructing anode-free structures 100%, which provides comprehensive guidelines further research. Representative methods calculating depth discharge different first summarized. The reasonable modification foil anodes, current collectors pre-deposited Zn, aqueous (AF-AZMBs) improve then detailed. In particular, working mechanism AF-AZMBs is systematically introduced. Finally, challenges perspectives high-utilization presented.

Language: Английский

Citations

87
Janus Binder Chemistry for Synchronous Enhancement of Iodine Species Adsorption and Redox Kinetics toward Sustainable Aqueous Zn–I2 Batteries DOI
Jialin Yang,

Han‐Hao Liu,

Xinxin Zhao

et al.

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(10), P. 6628 - 6637

Published: Feb. 15, 2024

Currently, the desired research focus in energy storage technique innovation has been gradually shifted to next-generation aqueous batteries holding both high performance and sustainability. However, Zn–I2 have deemed great sustainable potential, owing merits of cost-effective eco-friendly nature. their commercial application is hindered by serious shuttle effect polyiodides during reversible operations. In this work, a Janus functional binder based on chitosan (CTS) molecules was designed prepared; polar terminational groups impart excellent mechanical robustness hybrid binders; meanwhile, it can also deliver isochronous enhancement physical adsorption redox kinetics toward I2 species. By feat highly effective remission effect, CTS cell exhibits superb electrochemical capacities with long-term robustness, specifically, 144.1 mAh g–1, at current density 0.2 mA g–1 after 1500 cycles. Simultaneously, undesired self-discharging issue could be well-addressed; Coulombic efficiency remain 98.8 % resting for 24 h. More importantly, endow good biodegradability reusable properties; iodine species were reloaded, recycled devices specific 73.3 over 1000 This provides potential synchronous solution realize comprehensive utilization further make possible batteries.

Language: Английский

Citations

78
Understanding the Electrical Mechanisms in Aqueous Zinc Metal Batteries: From Electrostatic Interactions to Electric Field Regulation DOI Creative Commons
Jing Xu, Haolin Li, Yang Jin

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(3)

Published: Nov. 14, 2023

Abstract Aqueous Zn metal batteries are considered as competitive candidates for next‐generation energy storage systems due to their excellent safety, low cost, and environmental friendliness. However, the inevitable dendrite growth, severe hydrogen evolution, surface passivation, sluggish reaction kinetics of anodes hinder practical application batteries. Detailed summaries prospects have been reported focusing on research progress challenges anodes, including electrolyte engineering, electrode structure design, modification. essential electrical mechanisms that significantly influence 2+ ions migration deposition behaviors not reviewed yet. Herein, in this review, regulation electrical‐related electrostatic repulsive/attractive interactions migration, desolvation, systematically discussed. Meanwhile, electric field strategies promote diffusion uniform comprehensively reviewed, enhancing homogenizing intensity inside adding external magnetic/pressure/thermal couple with field. Finally, future perspectives directions building better applications offered.

Language: Английский

Citations

67
Adaptive Ionization-Induced Tunable Electric Double Layer for Practical Zn Metal Batteries over Wide pH and Temperature Ranges DOI

Chuyuan Lin,

Lingjun He, Peixun Xiong

et al.

ACS Nano, Journal Year: 2023, Volume and Issue: 17(22), P. 23181 - 23193

Published: Nov. 13, 2023

The violent side reactions of Zn metal in aqueous electrolyte lead to sharp local-pH fluctuations at the interface, which accelerate anode breakdown; thus, development an optimization strategy accommodate a wide pH range is particularly critical for improving batteries. Herein, we report pH-adaptive electric double layer (EDL) tuned by glycine (Gly) additive with pH-dependent ionization, exhibits excellent capability stabilize anodes wide-pH electrolytes. It discovered that Gly-ionic EDL facilitates directed migration charge carriers both mildly acidic and alkaline electrolytes, leading successful suppression local saturation. worth mentioning regulation effect concentration on inner Helmholtz plane (IHP) structure electrodes clarified depth. revealed Gly additives without dimerization can develop orderly dense vertical adsorption within IHP effectively reduce repulsive force Zn2+ isolate H2O from surface. Consequently, they tunable superior electrochemical performance temperature, involving prodigious cycle reversibility 7000 h symmetric cells ZnSO4-Gly electrolytes extended lifespan 50 times KOH-Gly Moreover, powder||MnO2 pouch cells, high-voltage Zn||Ni0.8Co0.1Mn0.1O2 Zn||NiCo-LDH also deliver cycling reversibility. enables ultrahigh depth discharge (DOD) 93%. This work elucidates design compatible might cause inspiration fields practical multiapplication scenarios anodes.

Language: Английский

Citations

59
Boosting tough metal Zn anode by MOF layer for high-performance zinc-ion batteries DOI
Weiwei Zhang,

Weitong Qi,

Kai Yang

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: 71, P. 103616 - 103616

Published: July 1, 2024

Language: Английский

Citations

36
Customizing the water-scarce, zinc ion-rich Helmholtz plane of a zinc anode for Ah-scale Zn metal batteries DOI
Guowei Gao, Xiaomei Huo, Boxin Li

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(20), P. 7850 - 7859

Published: Jan. 1, 2024

By constructing a hydrogel film doped with an ionic liquid on Zn anode, water-scarce inner Helmholtz plane and ion-enriched outer is developed, which effectively enables stable zinc anode for Ah-scale metal batteries.

Language: Английский

Citations

32
Constructing Lysozyme Protective Layer via Conformational Transition for Aqueous Zn Batteries DOI
Yifan Pan, Zhicheng Zuo, Yucong Jiao

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(29)

Published: May 8, 2024

The practical applications for aqueous Zn ion batteries (ZIBs) are promising yet still impeded by the severe side reactions on metal. Here, a lysozyme protective layer (LPL) is prepared metal surface simple and facile self-adsorption strategy. LPL exhibits extremely strong adhesion to provide stable interface during long-term cycling. In addition, strategy triggered hydrophobicity-induced aggregation effect endows with gap-free compacted morphology which can reject free water effective reaction inhibition performance. More importantly, conformation transformed from α-helix β-sheet structure before formation, thus abundant functional groups exposed interact

Language: Английский

Citations

30
A preferentially adsorbed layer on the Zn surface manipulating ion distribution for stable Zn metal anodes DOI
Qiang Guo,

Gele Teri,

Weixing Mo

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(8), P. 2888 - 2896

Published: Jan. 1, 2024

A bifunctional electrolyte additive enabling stable Zn metal anodes.

Language: Английский

Citations

29
Construction of Robust Organic–Inorganic Interface Layer for Dendrite‐Free and Durable Zinc Metal Anode DOI

Chuancong Zhou,

Lutong Shan,

Qing Nan

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(19)

Published: Jan. 14, 2024

Abstract Constructing artificial interface layer is an effective approach to facilitate the utilization rate of zinc metal, but practical application still hindered by inferior mechanical strength, low ionic conductivity, and poor stability. Herein, robust organic–inorganic (Nafion/BM@Zn) coated on metal through ultrasonic spraying method with boehmite Nafion as composite precursor. As demonstrated, high cation selectivity hydrophilicity Nafion, well zincophilic property layered structure boehmite, synergistically contribute nucleation barrier, uniform deposition, fast transport kinetics Zn 2+ ions. a result, Nafion/BM@Zn anode exhibits superior reversibility Coulombic efficiency 99.9% for 9000 cycles in asymmetrical cells durable cycling stability 4200 h symmetrical at 5 mA cm −2 −1 mAh . Even seawater‐based electrolyte, displays reversible deposition behavior 820 99.91% 2800 Furthermore, corresponding Nafion/BM@Zn//NH 4 V O 10 cell presents capacity 258.4 g after 1500 A This work provides new design strategy high‐efficiency interfacial anode.

Language: Английский

Citations

28