DataVXAdvanced Functional MaterialsPaper
journal article·2025-11

Pulling Effects of Interlayer Water Molecules Strengthen Dry‐swimming Zn 2+ Reaction Kinetics in Layered Vanadium Oxides

Ziyi Feng, Yifu Zhang, Yuan Hao, Jianguo Sun, Changgong Meng, Yong‐Wei Zhang, John Wang

Advanced Functional Materials· Volume 35· Issue 45
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Source abstract

Abstract

Abstract Layered vanadium pentoxides (V 2 O 5 ) have been widely studied as a class of competitive cathode materials for aqueous rechargeable zinc ion batteries (ARZIBs), arising from their multi‐possibilities in structural manipulation and electrochemical performance. Previous studies show that H 2 O moelcules interact with Zn 2+ to form solvation structures. In this way, the electrostatic interactions with the V─O layer are attenuated. Herein, the role of interlayer structural water molecules in influencing the electrochemical behavior of Zn 2 ⁺ ions is investigated through a “pulling effect”. This theoretical calculations demonstrate that the interlayer water molecules can also pull the pre‐intercalated K + ions into the defined inter‐layer space, which effectively prevents the floating of metal ions to the laminates during the repeated electrochemical reactions, and thus stabilize the overall structure. “Localized resolvalizated” reactions of coming Zn 2+ induced by the pulling effect between Zn 2+ and interlayer water molecules makes the fast diffusion efficiency for the dry‐swimming Zn 2+ ions. This experimental results confirm that KVOH gives rise to a high specific capacity of 525 mAh·g −1 at 0.1 A·g −1 , and delivers 252 mAh·g −1 after 2000 cycles at 4 A·g −1 , compared with only 29 mAh·g −1 remained for KV after 2000 cycles at 4 A·g −1 .
Source: crossref · Quality: baseline

Research context

Energy storageComposites

OpenAlex topics: Advanced battery technologies research · ZnO doping and properties · Transition Metal Oxide Nanomaterials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Medical Laboratory Science Dalian Medical University Dalian 116044 P. R. China

State Key Laboratory of Fine Chemicals School of Chemical Dalian University of Technology Dalian 116024 P. R. China

Hubei Key Laboratory of Radiation Chemistry and Functional Materials School of Nuclear Technology and Chemistry & Biology Hubei University of Science and Technology Xianning 437100 P. R. China

Institute of High Performance Computing (IHPC) Agency for Science Technology and Research (A*STAR) 1 Fusionopolis Way, #16‐16 Connexis Singapore 138632 Republic of Singapore

Department of Materials Science and Engineering National University of Singapore Singapore 117574 Republic of Singapore

College of Environmental and Chemical Engineering Dalian University Dalian 116622 P. R. China

Institute of Materials Research and Engineering Agency for Science Technology and Research (A*STAR) Singapore 138634 Republic of Singapore

Funding

Hubei University of Science and Technology · Natural Science Foundation of Liaoning Province · Advanced Research and Technology Innovation Centre, College of Design and Engineering, National University of Singapore

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