2D Metal–Organic Frameworks (MOFs) for High-Performance BatCap Hybrid Devices

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

6 Scopus Citations
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Author(s)

  • Kuaibing Wang
  • Qingqing Li
  • Zhujuan Ren
  • Chao Li
  • Yang Chu
  • And 4 others
  • Zikai Wang
  • Mingdao Zhang
  • Hua Wu
  • Qichun Zhang

Detail(s)

Original languageEnglish
Article number2001987
Journal / PublicationSmall
Volume16
Issue number20
Online published25 Jun 2020
Publication statusPublished - 28 Jul 2020

Abstract

Two identical layered metal–organic frameworks (MOFs) (CoFRS and NiFRS) are constructed by using flexible 1,10-bis(1,2,4-triazol-1-yl)decane as pillars and 1,4-benzenedicarboxylic acid as rigid linkers. The single-crystal structure analysis indicates that the as-synthesized MOFs possess fluctuant 2D networks with large interlayer lattices. Serving as active electrode elements in supercapacitors, both MOFs deliver excellent rate capabilities, high capacities, and longstanding endurances. Moreover, the new intermediates in two electrodes before and after long-lifespan cycling are also examined, which cannot be identified as metal hydroxides in the peer reports. After assembled into battery-supercapacitor (BatCap) hybrid devices, the NiFRS//activated carbon (AC) device displays better electrochemical results in terms of gravimetric capacitance and cycling performance than CoFRS//AC devices, and a higher energy-density value of 28.7 Wh kg−1 compared to other peer references with MOFs-based electrodes. Furthermore, the possible factors to support the distinct performances are discussed and analyzed.

Research Area(s)

  • active elements, BatCap hybrid devices, metal–organic frameworks, pillars, supercapacitors

Citation Format(s)

2D Metal–Organic Frameworks (MOFs) for High-Performance BatCap Hybrid Devices. / Wang, Kuaibing; Li, Qingqing; Ren, Zhujuan; Li, Chao; Chu, Yang; Wang, Zikai; Zhang, Mingdao; Wu, Hua; Zhang, Qichun.

In: Small, Vol. 16, No. 20, 2001987, 28.07.2020.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal