Premium
Thermal Instability Induced Oriented 2D Pores for Enhanced Sodium Storage
Author(s) -
Kong Lingjun,
Xie ChenChao,
Gu Haichen,
Wang ChaoPeng,
Zhou Xianlong,
Liu Jian,
Zhou Zhen,
Li ZhaoYang,
Zhu Jian,
Bu XianHe
Publication year - 2018
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201800639
Subject(s) - materials science , calcination , nanorod , porosity , nanomaterials , vanadium , nanotechnology , vanadium oxide , energy storage , chemical engineering , thermal stability , temperature cycling , thermal , catalysis , composite material , chemistry , organic chemistry , power (physics) , physics , quantum mechanics , engineering , metallurgy , meteorology
Hierarchical porous structures are highly desired for various applications. However, it is still challenging to obtain such materials with tunable architectures. Here, this paper reports hierarchical nanomaterials with oriented 2D pores by taking advantages of thermally instable bonds in vanadium‐based metal–organic frameworks (MOFs). High‐temperature calcination of these MOFs accompanied by the loss of coordinated water molecules and other components enables the formation of orderly slit‐like 2D pores in vanadium oxide/porous carbon nanorods (VO x /PCs). This unique combination leads to an increase of the reactive surface area. In addition, optimized VO x /PCs demonstrate high‐rate capability and ultralong cycling life for sodium storage. The assembled full cells also show high capacity and cycling stability. This report provides an effective strategy for producing MOFs‐derived composites with hierarchical porous architectures for energy storage.