Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 157984 - 157984
Published: Nov. 1, 2024
Language: Английский
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(51)
Published: Aug. 28, 2024
Designing solid electrolyte is deemed as an effective approach to suppress the side reaction of zinc anode and active material dissolution cathodes in liquid electrolytes for metal batteries (ZMBs). Herein, kaolin comprehensively investigated raw prepare (KL-Zn) ZMBs. As demonstrated, KL-Zn excellent electronic insulator ionic conductor, which presents wide voltage window 2.73 V, high conductivity 5.08 mS cm
Language: Английский
Citations
12
Materials Today Energy, Journal Year: 2024, Volume and Issue: 46, P. 101736 - 101736
Published: Nov. 6, 2024
Language: Английский
Citations
11
Small, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 21, 2025
Abstract Aqueous zinc‐iodine batteries (AZIBs) hold great promise for large‐scale energy storage due to their inherent safety, cost‐effectiveness, and environmental sustainability. However, practical application is hindered by the sluggish redox kinetics of iodine species “shuttle effect” polyiodides, both which degrade cycling stability capacity retention. Herein, a “polar‐nonpolar strategy” proposed first time, couples nonpolar porous carbon (PC) as host with highly polar zinc oxide (ZnO) separator modification materials. Specifically, PC leverages its structure properties accommodate immobilize iodine, simultaneously enhancing conductivity cathode. Meanwhile, ZnO on accelerates electron transfer polyiodides through strong adsorption catalytic effects, improving reversible transformation species. UV–visible spectroscopy electrochemical kinetic analyses confirm rapid effective polyiodide inhibition in this system. As result, prepared PC‐I 2 //ZnO@GF battery demonstrates high‐rate excellent long‐term stability, surpassing performance other recently reported AZIBs. This polar‐nonpolar strategy establishes novel design rationale developing future high‐performance batteries.
Language: Английский
Citations
1
Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110884 - 110884
Published: March 1, 2025
Language: Английский
Citations
1
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 22, 2024
Abstract Lithium‐sulfur (Li‐S) batteries offer promising prospects due to their high energy density and cost‐effectiveness. However, the sluggish kinetics of lithium polysulfides (LiPSs) conversion, particularly crucial stage from LiPSs sulfide (Li 2 S), hampers development. Herein, a novel strategy for dynamically regulating conversion by incorporating 4‐mercaptopyridine (4Mpy), as Redox Regulator (RR) in electrolyte is introduced. This organic sulfur additive actively interacts with during discharge, facilitating rapid promoting formation three‐dimensional (3D) Li S structure, thereby enhancing reaction kinetics. Both theoretical experimental results reveal that redox mechanism 4Mpy differs traditional electrolytes. Upon lithiation, forms lithium‐pyridinethiolate (Li‐pyS), which reversibly engages charging/discharging cycles, significantly improving process. As result, Li‐S battery demonstrates superior performances, achieving 10.05 mAh cm −2 under loading 10.88 mg , surpassing industrial benchmarks. study not only presents an approach mitigating shuttle effect but also offers valuable insights into design other metal batteries.
Language: Английский
Citations
8
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 1, 2024
Abstract The issues of active iodine dissolution and polyiodide shuttle severely hinder the development zinc‐iodine batteries (ZIBs). Binder engineering is considered a valid strategy to kill two birds with one stone. Herein, sodium lignosulfonate (LS), an important derivative lignin, optimized as neotype binder for fabrication iodine‐loading cathode. Owing existence ‐SO 3 Na group, electrostatic potential LS molecule contains both negative positive regions, which prefer block behavior through repulsion effect, adsorb polyiodides attraction respectively. Meanwhile, holds more Gibbs free energies consecutive radical reaction, much stronger adsorption species, manifesting fast conversion reaction kinetics, effective inhibition behavior. As expected, ZIBs based on delivers high capacity 153.6 mAh g −1 after 400 cycles at 0.1 A , reversible 152.8 500 0.5 (50 °C), durable cycling stability 12000 5 implying excellent fixation ability binder. This work guides design special iodine‐based electrodes facilitates practical application ZIBs.
Language: Английский
Citations
8
Nano Energy, Journal Year: 2024, Volume and Issue: unknown, P. 110519 - 110519
Published: Nov. 1, 2024
Language: Английский
Citations
7
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(48)
Published: Aug. 27, 2024
Abstract Interfacial stress caused by semi‐coherent and incoherent interfaces during zinc (Zn) plating its effect on subsequent Zn deposition are important considerations for designing electrode/electrolyte to improve the electrochemical performance of anodes. Although some studies have paid attention this issue, influence lattice strain induced ion diffusion in interface coating is infrequently discussed. Herein, a tin‐doped indium oxide (ITO) interfacial constructed, evolution oxygen vacancy (O V ) generated migration confirmed. The formed O ‐rich ITO exhibits strong affinity low barrier, accelerating transport kinetics. Meanwhile, layer can appropriately capture anions electrolyte corrosion resistance electrode through electrostatic repulsion effect. As result, ITO‐decorated anode achieves stable plating/stripping more than 4500 h delivers high average Coulombic efficiency 99.6% after 1400 cycles at 1.0 mA cm −2 . This work provides new horizon rational construction achieve highly reversible dendrite‐free metal anode.
Language: Английский
Citations
6
Angewandte Chemie, Journal Year: 2024, Volume and Issue: 136(51)
Published: Aug. 28, 2024
Abstract Designing solid electrolyte is deemed as an effective approach to suppress the side reaction of zinc anode and active material dissolution cathodes in liquid electrolytes for metal batteries (ZMBs). Herein, kaolin comprehensively investigated raw prepare (KL−Zn) ZMBs. As demonstrated, KL−Zn excellent electronic insulator ionic conductor, which presents wide voltage window 2.73 V, high conductivity 5.08 mS cm −1 , Zn 2+ transference number 0.79. For Zn//Zn cells, superior cyclic stability lasting 2200 h can be achieved at 0.2 mA −2 . Zn//NH 4 V O 10 batteries, stable capacity 245.8 mAh g maintained A after 200 cycles along with retention ratio 81 %, manifesting contributes stabilize crystal structure NH cathode. These satisfying performances attributed enlarged interlayer spacing, (de)solvation‐free mechanism fast diffusion kinetics electrolyte, availably guaranteeing uniform deposition reversible (de)intercalation Additionally, this work also verifies application possibility Zn//MnO 2 Zn//I suggesting universality mineral‐based electrolyte.
Language: Английский
Citations
4
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 15, 2024
Abstract Active iodine dissolution and polyiodide shuttle are two major obstacles hindering the application of zinc‐iodine batteries (ZIBs). Designing functional carriers with strong physisorption/chemisorption capability, abundant active sites, high catalytic activity for redox reaction kinetics, is considered an effective strategy to solve current problems ZIBs. In this work, Fe, Co, Ni‐doping porous carbon (FeCoNi) comprehensively investigated as carrier material prepare iodine‐loading cathode FeCoNi@I 2 . On basis experimental tests theoretical calculations, introduction FeCoNi trimetallic atoms effectively regulates electronic structure, charge distribution, conductivity substrate, promoting conversion kinetics well chemisorption capability species, which conducive inhibit dissolution. As expected, Zn//FeCoNi@I exhibit specific capacity self‐discharge resistance reversible stabilizes at 108.8 mAh g −1 after 13000 cycles 1 A , 94.7 14000 3 This work will open new horizons structural design catalyst‐type materials durable ZIBs, facilitate atom‐doped in high‐performance secondary batteries.
Language: Английский
Citations
3