Fabrication and Electrochemical Performance of Polyoxometalate-Based Three-Dimensional Metal Organic Frameworks Containing Carbene Nanocages

Jing-Quan Sha; Xi-Ya Yang; Yanyan Chen; Pei-Pei Zhu; Yu-Fei Song; Jianzhuang Jiang

doi:10.1021/acsami.8b04009

Fabrication and Electrochemical Performance of Polyoxometalate-Based Three-Dimensional Metal Organic Frameworks Containing Carbene Nanocages

ACS Appl Mater Interfaces. 2018 May 16;10(19):16660-16665. doi: 10.1021/acsami.8b04009. Epub 2018 May 4.

Authors

Jing-Quan Sha^{1

2}, Xi-Ya Yang¹, Yanyan Chen³, Pei-Pei Zhu¹, Yu-Fei Song³, Jianzhuang Jiang²

Affiliations

¹ Key Laboratory of Inorganic Chemistry in Universities of Shandong, Department of Chemistry and Chemical Engineering , Jining University , Qufu , Shandong 273155 , China.
² Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry , University of Science and Technology Beijing , Beijing 100083 , China.
³ Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Chemical Resource Engineering , Beijing University of Chemical Technology , Beijing 100029 , China.

PMID: 29697254
DOI: 10.1021/acsami.8b04009

Abstract

Two new polyoxometalate (POM)-based three-dimensional metal organic carbene frameworks, [Ag₁₀(trz)₄(H₂O)₂][HPW₁₂O₄₀] (POMs@MCNCs-1) and [Ag₁₀(trz)₄(H₂O)₆][H₂SiW₁₂O₄₀] (POMs@MCNCs-2), were hydrothermally synthesized, in which Keggin-type polyoxoanions as templates induce the formation of two different kinds of metal-carbene nanocages (MCNCs) for the first time. Combination of the reversible multielectron redox behavior and electron storage functions of POMs with the good electrical conductivity of the single-walled carbon nanotubes (SWNTs) renders the POMs@MCNCs-1/SWNT composite excellent electrochemical performance and good stability as anode materials of lithium-ion batteries, with up to 2000 mA h g^-1 for the first discharge capacity and ca. 859 mA h g^-1 for the second cycle at a current density of 100 mA g^-1. The successful fabrication of unprecedented MCNCs into the POM-based three-dimensional metal-organic frameworks in the present work must initiate extensive research interests in diverse fields.

Keywords: anode materials; carbene nanocage; carbon nanotubes; lithium-ion batteries; polyoxometalates.