Stress Relief in Metal Anodes: Mechanisms and Applications DOI
Jianan Gu, Yu Shi, Zhiguo Du

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(40)

Published: Sept. 15, 2023

Abstract Metal anodes (lithium/sodium/zinc) are recognized as the most promising choice for rechargeable batteries due to their high theoretical capacity and low electrochemical redox potential. Unfortunately, metal face serious dendrite problems, hindering practical applications. Recent research has shown that dendrites can also be caused by levels of stress generated during deposition process. To address this issue, an alternative strategy based on relief is proposed inhibit growth dendrites. Herein, work aims investigate mechanism generation evolution within anodes. In addition, explores utilization induce nucleation. This further discuss various experimental techniques used study release in review recent findings Specifically, examines how microstructure processing conditions affect potential strategies improving efficiency As a result, deeper understanding lead development with superior performance, longer cycle life, well enhanced safety applications fields.

Language: Английский

Progression in the Oxidation Stability of MXenes DOI Creative Commons
Razium Ali Soomro, Peng Zhang, Baomin Fan

et al.

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: April 18, 2023

MXenes are under the spotlight due to their versatile physicochemical characteristics. Since discovery in 2011, significant advancements have been achieved synthesis and application sectors. However, spontaneous oxidation of MXenes, which is critical its processing product lifespan, has gotten less attention chemical complexity poorly understood mechanism. This perspective focuses on stability addresses most recent understanding possible countermeasures limit MXenes. A section dedicated presently accessible methods for monitoring oxidation, with a discussion debatable mechanism coherently operating factors that contribute oxidation. The current potential solutions mitigating existing challenges also discussed prospects prolong MXene's shelf-life storage expand scope.

Language: Английский

Citations

203
Dendrite-Free and Highly Stable Zn Metal Anode with BaTiO3/P(VDF-TrFE) Coating DOI
Quan Zong, Bo Lv, Chaofeng Liu

et al.

ACS Energy Letters, Journal Year: 2023, Volume and Issue: 8(7), P. 2886 - 2896

Published: June 2, 2023

Aqueous rechargeable Zn metal batteries have garnered increasing attention due to their high theoretical capacity, safety, and low cost. However, commercialization has been impeded by the rapid cycling deterioration caused side reactions dendrite growth on anodes. The present work explores a dielectric organic–inorganic film with hydrophobic surface circumvent these problems suppress zinc anode. Dielectric BaTiO3/P(VDF-TrFE) (BTO/PVT) coating demonstrated promote uniform deposition inhibit growth. also regulates Zn-ion desolvation process at interfaces is crucial in preventing water from harming anode surface, leading dendrite-free little formation of byproducts. resulting BTO/PVT@Zn long lifespan 3000 h an average Coulombic efficiency 99.6% 1 mA cm–2. In addition, BTO/PVT@Zn||NH4V4O10 full cell shows good rate capability lifespan.

Language: Английский

Citations

95
Suppressed Water Reactivity by Zincophilic‐Hydrophobic Electrolyte Additive for Superior Aqueous Zn Metal Batteries DOI Open Access
Yahui Wang, Ran Zhao, Mingquan Liu

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(43)

Published: Oct. 2, 2023

Abstract As one of the most promising anodes aqueous batteries, Zn metal faces uncontrollable side reactions and deleterious dendrite growth, which drastically compromise its cycle life Coulombic efficiency (CE). To tackle these issues, a versatile electrolyte additive is reported that can regulate solvation structure, adsorb on surface, in situ generate novel zincophilic‐microhydrophobic interphase to isolate anode from reactive water molecules. Benefiting triple effects reactivity modulation, exhibits excellent reversibility with an ultra‐high average CE value 99.92% at 5 mA cm −2 ZnSO 4 system, Zn||Zn symmetric cell ethanesulfonamide achieves long lifespan over 6000 h. The merits ESA additives are further displayed Zn//MnO 2 full cells ion hybrid capacitors, exhibiting capacity retention 81.60% C 1000 cycles, 92.25% 50 000 cycles A g −1 , respectively. What's more, exhibit outstanding stability 100% after 120 0.1 C. This strategy shows alternative for development batteries low‐cost ‐based electrolytes.

Language: Английский

Citations

91
Polymer Coating with Balanced Coordination Strength and Ion Conductivity for Dendrite‐Free Zinc Anode DOI

Xiaomin Cai,

Wenzhi Tian,

Zekai Zhang

et al.

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

Published: Oct. 11, 2023

Abstract Decorating Zn anodes with functionalized polymers is considered as an effective strategy to inhibit dendrite growth. However, this normally brings extra interfacial resistance rendering slow reaction kinetics of 2+ . Herein, a poly(2‐vinylpyridine) (P2VP) coating modulated coordination strength and ion conductivity for dendrite‐free anode reported. The P2VP favors high electrolyte wettability rapid migration speed (Zn transfer number, t = 0.58). Electrostatic potential calculation shows that mildly coordinates (adsorption energy −0.94 eV), which promotes preferential deposition along the (002) crystal plane. Notably, use partially (26%) quaternized (q‐P2VP) further reduces 126 Ω, leading ( 0.78) considerably low nucleation overpotential (18 mV). As result synergistic effect mild partial electrolysis, q‐P2VP‐decorated retains at level (≈46 mV) over 1000 h current density 10 mA cm −2 assembled (NH 4 ) 2 V 6 O 16 ·1.5H || glass fiber q‐P2VP‐Zn full cell reveals lower average capacity decay rate only 0.018% per cycle within 500 cycles 1 A g −1

Language: Английский

Citations

63
Elastic properties and tensile strength of 2D Ti3C2Tx MXene monolayers DOI Creative Commons
Chao Rong, Ting Su, Zhenkai Li

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Feb. 21, 2024

Two-dimensional (2D) transition metal nitrides and carbides (MXenes), represented by Ti

Language: Английский

Citations

63
Marangoni‐Driven Self‐Assembly MXene As Functional Membrane Enables Dendrite‐Free and Flexible Zinc–Iodine Pouch Cells DOI
Huan Liu,

Zhijing Xu,

Bin Cao

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(26)

Published: March 20, 2024

Abstract Zn metal is a promising anode material in aqueous batteries, but the direct use of foil encounters severe issues dendrite formation and side reactions, causing short cycle life. Conventional thick rigid insulating protection layers may impede ion diffusion detach during mechanical deformation battery. Herein, dendrite‐free zinc demonstrated by grafting thin (≈10 nm) Ti 3 C 2 T x MXene functional membrane which formed via Marangoni‐driven self‐assembly. The initiates uniform nucleation promotes deposition (002)‐oriented lateral growth mode. Meanwhile, functions as soft, stress‐adaptive, protective layer to underneath active zinc. This renders with improved cycling stability without notable or side‐reaction products. Flexible Zn─I pouch cells fabricated from MXene‐covered (20 µm thick) modified ZnI cathode demonstrate stable capacity up 1500 cycles unchanged voltage upon various deformations. work affords new insights into designing soft membranes for constructing flexible Zn‐based energy devices.

Language: Английский

Citations

57
Versatile MXenes for Aqueous Zinc Batteries DOI Creative Commons
Huan Liu,

Zijun Xin,

Bin Cao

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 11(8)

Published: Nov. 20, 2023

Abstract Aqueous zinc‐ion batteries (AZIBs) are gaining popularity for their cost‐effectiveness, safety, and utilization of abundant resources. MXenes, which possess outstanding conductivity, controllable surface chemistry, structural adaptability, widely recognized as a highly versatile platform AZIBs. MXenes offer unique set functions AZIBs, yet significance has not been systematically summarized. This review article provides an up‐to‐date overview MXenes‐based electrode materials with focus on the in these materials. The discussion starts derivatives cathode side, where they serve 2D conductive substrate, 3D framework, flexible support, coating layer. can act both active material precursor to cathode. On anode include host, zinc metal protection, electrolyte additive, separator modification. also highlights technical challenges key hurdles that currently face

Language: Английский

Citations

42
Optimal Molecular Configuration of Electrolyte Additives Enabling Stabilization of Zinc Anodes DOI
Yong Yang, Yanze Li, Qizhen Zhu

et al.

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

Published: April 8, 2024

Abstract For the development of electrolyte additives as an effective strategy to improve performance zinc‐ion batteries (ZIBs), most researchers focus on functional groups but overlook crucial molecular configuration. Herein, six stereoisomers 2,3,4,5‐tetrahydroxyvaleraldehyde with identical various spatial arrangements are studied additive in ZIBs. Based experimental analysis and theoretical calculations, adsorption Zn (002) plane is found be important dominant for stereoisomer enhance anode performance. Among these stereoisomers, D‐Arabinose preferential strongest chemisorption effect modifies anode/electrolyte interface effectively, leading highest stability reversibility anode. The adsorbed shows multifunctional effects at interface, which not only regulates 2+ solvation structure reconfigures hydrogen bond framework, also facilitates uniform deposition by promoting 3D diffusion homogenizing electric field. Therefore, ZnSO 4 electrolyte, undesired dendrite growth side reactions including evolution reaction, corrosion, passivation significantly limited during plating/stripping processes. This work proposes a new insight toward optimal configuration designing engineering stable

Language: Английский

Citations

38
Pathways for MXenes in Solving the Issues of Zinc‐Ion Batteries: Achievements and Perspectives DOI
Rui Zhao, Chang Liu, Yirong Zhu

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(28)

Published: March 11, 2024

Abstract Zinc‐ion batteries (ZIBs) have become a global research hotspot in recent years due to their eco‐friendliness, safety, abundant resources, and low cost. However, some significant challenges seriously affect overall performance, thus hindering further development practical applications. Recently, multifunctional adjustable 2D carbides nitrides (MXenes) are extensively used for the modification of ZIBs, fruitful achievements achieved. In order make systematic understanding these studies, it is highly desirable provide an overview MXenes based on methods action mechanisms. this review, basic introduction ZIBs presented main approaches solving issues discussed detail, including activation composite strategies cathode, interface engineering, structural optimization, zinc metal‐free anode strategy anode, solid‐state electrolyte, functionalized separator. Importantly, functions related mechanisms various components analyzed depth. Finally, pathways summarized, future directions prospected.

Language: Английский

Citations

32
Blocking the Dendrite‐Growth of Zn Anode by Constructing Ti4O7 Interfacial Layer in Aqueous Zinc‐Ion Batteries DOI
Yang Song, Yongduo Liu,

Shijian Luo

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(25)

Published: Feb. 9, 2024

Abstract Zinc metal is a promising choice as high‐capacity and cost‐effective anode for aqueous zinc‐based batteries. However, it faces challenges related to low cycling stability poor reversibility due parasitic reactions the growth of zinc dendrites. In this study, solution proposed by introducing conductive Ti 4 O 7 layer on enhance electrode stability. The serves dual purpose, effectively preventing spontaneous corrosion in electrolyte, thereby inhibiting hydrogen evolution reaction generation byproducts. Simultaneously, promotes Zn nucleation ensures uniform electric field distribution, resulting homogeneous plating stripping compared using bare anode. Consequently, ‐coated experiences significant reduction over‐potential, demonstrating long‐term dendrite‐free behavior. This outcome polarization potential high zinc‐ion work underscores oxides development stable electrodes.

Language: Английский

Citations

20