Inorganic–Organic Co‐Intercalated [Al  0.16  (C  5  H  14  ON)  0.12  ]V  2  O  5  ·0.39H  2  O Cathode for High‐Performance Aqueous Zinc‐Ion Batteries

Guo, Kang; Song, Ziyang; Lv, Yaokang; Gan, Lihua; Liu, Mingxian

doi:10.1002/adfm.202506036

articleAdvanced Functional MaterialsApr 30, 2025Closed access

Inorganic–Organic Co‐Intercalated [Al 0.16 (C 5 H 14 ON) 0.12 ]V 2 O 5 ·0.39H 2 O Cathode for High‐Performance Aqueous Zinc‐Ion Batteries

KGKang Guo ZSZiyang Song YLYaokang Lv LGLihua Gan MLMingxian Liu

Tongji University · Zhejiang University of Technology · +2 more institutions

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Abstract

Abstract Vanadium oxides hold great promise for aqueous zinc‐ion batteries (AZIBs) due to their multiple oxidation states, diverse crystalline structures, and high vanadium abundance. However, their applications are limited by narrow interlayer spacing, poor reversibility, and high solubility. To address these issues, an inorganic–organic co‐intercalated [Al 0.16 (C 5 H 14 ON) 0.12 ]V 2 O 5 ·0.39H 2 O cathode (IO‐V 2 O 5 ) is reported with enlarged interlayer spacing (13.7 Å) and enhanced structure stability for better AZIBs. Serving as structural pillars, Al 3+ , and betaine create a fast 2D channel for Zn 2+ transport. The positively charged quaternary ammonium groups in betaine strongly interact with the…

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Keywords

Materials science
Crystallography
Inorganic chemistry
Mineralogy
Nanotechnology

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