3D Ordered Li Anode Architectures towards Suppressing Li Dendrites: A Review DOI Creative Commons
Fei Pei,

X. Yan,

Fangchao Lei

et al.

Russian Journal of Inorganic Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 10, 2024

Abstract The fast-growing requirements for high-energy-density Li-ion batteries (LIBs) have prompted the research and development of Li-metal (LMBs) because Li metal has a high theoretical specific capacity 3860 mA h g –1 low redox potential (−3.04 v.s. standard hydrogen electrode, SHE). However, dendrite formation during plating stripping exerted an enormous impedance in its commercial application. Consequently, it is imperative to exploit effective strategies eliminate existing issues. Three-dimensional (3D) ordered anode architectures with large surface area void space, which are capable lowering current density affording confined space accommodate plating, consequently suppressing ameliorating undesirable volume changes. More importantly, well-aligned micro-channels can provide fast pathways ion transport promote uniform plating. Therefore, fabricating 3D expected remarkably boost electrochemical stability performance cycling. Herein, important researches on design LIBs, including flexible anode, summarized detail. Emphasis laid illuminating mechanism correlation between 3D-ordered microstructures LMBs. Furthermore, challenges forthcoming opportunities this promising field explicitly indicated. It anticipated that review could afford beneficial reference initiate further innovation practical high-energy safe

Language: Английский

Electrochemical coupling in subnanometer pores/channels for rechargeable batteries DOI

Yaojie Lei,

Lingfei Zhao, Wei‐Hong Lai

et al.

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(8), P. 3829 - 3895

Published: Jan. 1, 2024

This review categorizes subnanometer pores/channels (SNPCs) from structural perspective and demonstrates electrochemical couplings in SNPCs for batteries while proposing corresponding challenges future research directions.

Language: Английский

Citations

18
Bilayer Artificial Solid Electrolyte Interphase with 75 GPa Young's Modulus Enable High Energy Density Lithium Metal Pouch Cells DOI Open Access

Yingzhi Yu,

Kecheng Long, Shaozhen Huang

et al.

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

Published: Jan. 10, 2025

Abstract The artificial solid electrolyte interphase (SEI) layer is capable of protecting lithium anodes and preventing side reactions with electrolytes. development inorganic/organic composite hybrid SEI can be considered as an efficient strategy to combine the merits high ion conductivity, mechanical modulus, flexibility. However, it still poses a great challenge solve agglomeration problem in these maintain strong interaction between metal. Herein, bilayer ultra‐thin (P‐FEM@Li) derivative from reactive fluorinated copolymer (P‐FEM) prepared shows ultra‐large Young's modulus (> 75 GPa). robust inorganic LiF‐rich provides superior ionic conductivity large while flexible organic polymer regulates ions transport compatibility. P‐FEM induced demonstrate stable cycles for more than 4400 h at 1 mA cm −2 average coulombic efficiency (CE) Li||P‐FEM@Cu 99.78% after 100 cycles. Moreover, P‐FEM@Li||NCM811 punch cell 428 Wh kg −1 exhibits high‐capacity retention 73% 175 This work new way prepare practical anodes.

Language: Английский

Citations

3
Controllable Synthesis of Sub‐10 nm ZnS Nanograins Confined in Micro‐Size Carbon Skeleton for Aqueous Zn–S Batteries DOI
Min Yang, Zichao Yan, Hui Zhang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(45)

Published: June 3, 2024

Abstract Aqueous zinc–sulfur battery (AZSB) is a promising technology for energy storage, but its practical application severely limited by the sluggish redox kinetics and large volume expansion of sulfur cathode. Herein, controllable synthesis sub‐10 nm ZnS nanograins confined in micro‐size carbon skeleton (MN‐ZnS/C─H) as cathode AZSB reported. It revealed that source, polyvinylpyrrolidone (PVP), can weakly coordinate with Zn 2+ provide physical confinement inhibiting agglomeration during calcination process. Moreover, particle size (from to 350 nm) shape ZnS/carbon composite bulk sphere) be well controlled tuning chain length PVP. In unique hierarchical structure, an optimized ion transmission path, network not only ensures high electronic conductivity also maintains structure integrity upon variation, endowing MN‐ZnS/C─H electrode reversible capacity 370 mA h g −1 at 0.2 A , rate capability 209 4 long lifespan 210 cycles 93.2% retention 2 .

Language: Английский

Citations

10
Dual-Defect Engineering Strategy Enables High-Durability Rechargeable Magnesium-Metal Batteries DOI Creative Commons
Fuyu Chen, B. Zhao,

Kaifeng Huang

et al.

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

Published: April 29, 2024

Abstract Rechargeable magnesium-metal batteries (RMMBs) are promising next-generation secondary batteries; however, their development is inhibited by the low capacity and short cycle lifespan of cathodes. Although various strategies have been devised to enhance Mg 2+ migration kinetics structural stability cathodes, they fail improve electronic conductivity, rendering cathodes incompatible with anodes. Herein, we propose a dual-defect engineering strategy, namely, incorporation pre-intercalation defect (P-Mg d ) oxygen (O ), simultaneously kinetics, stability, conductivity RMMBs. Using lamellar V 2 O 5 ·nH as demo cathode material, prepare comprising 0.07 ·1.4H nanobelts composited reduced graphene oxide (MVOH/rGO) P-Mg . The enlarges interlayer spacing, accelerates prevents collapse, while stabilizes structure increases conductivity. Consequently, MVOH/rGO exhibits high 197 mAh g −1 , developed foil//MVOH/rGO full cell demonstrates an incredible 850 cycles at 0.1 A capable powering light-emitting diode. proposed strategy provides new insights into developing high-durability, high-capacity advancing practical application RMMBs, other batteries.

Language: Английский

Citations

8
Heteroatom Immobilization Engineering toward High-Performance Metal Anodes DOI
Jianan Gu, Yongzheng Zhang, Yu Shi

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 11, 2024

Heteroatom immobilization engineering (HAIE) is becoming a forefront approach in materials science and engineering, focusing on the precise control manipulation of atomic-level interactions within heterogeneous systems. HAIE has emerged as an efficient strategy to fabricate single-atom sites for enhancing performance metal-based batteries. Despite significant progress achieved through metal anodes batteries, several critical challenges such dendrites, side reactions, sluggish reaction kinetics are still present. In this review, we delve into fundamental principles underlying heteroatom anodes, aiming elucidate its role electrochemical We systematically investigate how facilitates uniform nucleation inhibits reactions at anode-electrolyte interface, promoting desolvation ions accelerating Finally, discuss various strategies implementing electrode materials, high-temperature pyrolysis, vacancy reduction, molten-salt etching anchoring. These include selecting appropriate heteroatoms, optimizing methods, constructing material architectures. They can be utilized further refine enhance capabilities facilitate widespread application next-generation battery technologies.

Language: Английский

Citations

7
Reaction Mechanism and Performance of Innovative 2D Germanane‐Silicane Alloys: SixGe1−xH Electrodes in Lithium‐Ion Batteries DOI Creative Commons
Shuangying Wei, Tomáš Hartman, Stefanos Mourdikoudis

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(24)

Published: April 22, 2024

Abstract The adjustable structures and remarkable physicochemical properties of 2D monoelemental materials, such as silicene germanene, have attracted significant attention in recent years. They can be transformed into silicane (SiH) germanane (GeH) through covalent functionalization via hydrogen atom termination. However, synthesizing these materials with a scalable low‐cost fabrication process to achieve high‐quality SiH GeH poses challenges. Herein, groundbreaking varying compositions, specifically Si 0.25 Ge 0.75 H, 0.50 are prepared simple efficient chemical exfoliation their Zintl phases. These offer advantages, including large surface area, high mechanical flexibility, rapid electron mobility, defect‐rich loose‐layered structures. Among the H electrode demonstrates highest discharge capacity, reaching up 1059 mAh g −1 after 60 cycles at current density 75 mA . A comprehensive ex‐situ electrochemical analysis is conducted investigate reaction mechanisms lithiation/delithiation H. Subsequently, an initial assessment c ‐Li 15 (Si x 1‐ ) 4 phase lithiation ‐Si delithiation presented. Hence, this study contributes crucial insights (de)lithiation within germanane‐silicane alloys. Such understanding pivotal for mastering promising that amalgamate finest silicon germanium.

Language: Английский

Citations

6
Branch-Chain-Rich Diisopropyl Ether with Steric Hindrance Facilitates Stable Cycling of Lithium Batteries at − 20 °C DOI Creative Commons
Houzhen Li,

Yongchao Kang,

Wangran Wei

et al.

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

Published: May 16, 2024

Li metal batteries (LMBs) offer significant potential as high energy density alternatives; nevertheless, their performance is hindered by the slow desolvation process of electrolytes, particularly at low temperatures (LT), leading to coulombic efficiency and limited cycle stability. Thus, it essential optimize solvation structure thereby achieving a rapid in LMBs LT. Herein, we introduce branch chain-rich diisopropyl ether (DIPE) into 2.5 M bis(fluorosulfonyl)imide dipropyl (DPE) electrolyte co-solvent for high-performance - 20 °C. The incorporation DIPE not only enhances disorder within electrolyte, but also induces steric hindrance effect form DIPE's chain, excluding other solvent molecules from

Language: Английский

Citations

5
Internal Electron Donor Accelerated Sulfur Redox for Aqueous Zn─S Batteries DOI
Hui Zhang, Min Yang,

Jin Xiao

et al.

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

Published: June 16, 2024

Abstract Improving the electrical conductivity of sulfur cathode while ensuring its high affinity to catalyst holds key facilitate reaction kinetics aqueous zinc–sulfur batteries. Herein, redox in electrolyte is accelerated by introducing selenium–sulfur bonds into structure build an internal electron transport path. The Se with less electronegativity can act as donor accelerate binding between S and Zn 2+ . Meanwhile, bonded electron‐poor state endows modified a strong I 3 − catalyst, which further facilitates conversion efficiency. Thus, assisted delivers excellent electrochemical performance terms reversible capacity (1490 mAh g −1 at 0.5 A ), competitive rate (1010 4 well outstanding cycle stability (735 after 500 cycles).

Language: Английский

Citations

5
In-situ construction of dual-coated silicon/carbon composite anode for fast-charging Li-ion batteries DOI
Shijie Wu, Heng Wu, Xiangjian Kong

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158032 - 158032

Published: Nov. 1, 2024

Language: Английский

Citations

5
Constructing Fast Ion/Electron Conducting Pathway within 3D Stable Scaffold for Dendrite‐Free Lithium Metal Anode DOI

Xueting Liu,

Hongming Tan,

Yuting Li

et al.

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

Published: Nov. 27, 2024

Abstract Utilizing limited Li‐metal (<10 mAh cm −2 ) is desirable to achieve high‐specific‐energy batteries (LMBs). However, the rapid depletion and anode pulverization severely restrict cycle life of LMBs. Herein, 3D carbon‐based scaffold proposed as a host construct composite (ZOS‐CF@Li) with Li amount 8 via molten infusion assisted by lithiophilic ZnO/ZnS. In situ TEM reveals that ZnO/ZnS can spontaneously convert into ionically conductive 2 O/Li S electronically LiZn‐alloy, contributing faster ion/electron transport favorable dendrite‐free deposition. The experiment results combined theoretical calculations confirm inorganic Li‐salts high elastic modulus super lithiophilicity enable homogenous electric field distribution reduced Li‐diffusion energy barriers. Therefore, ZOS‐CF@Li exhibits stable cycling over 1100 h low overpotential under 5 in symmetric cell. Furthermore, performances coupled mass loading LiFePO 4 (20 mg LiNi 0.8 Co 0.1 Mn O (18 at N/P ratios 2.38 2.25 are achieved full‐cells, respectively. Li||LFP pouch‐cell maintain high‐capacity retention 97.7% after 90 cycles. This work will shed light on design for building Li‐anode high‐energy‐density

Language: Английский

Citations

5