Electro-synthesized Ni coordination supermolecular-networks-coated exfoliated graphene composite materials for high-performance asymmetric supercapacitors

Zhongheng Wang, Hua Yao, Feng Zhang, Wei Li, Yangyi Yang, Xihong Lu
  • Journal of Materials Chemistry A, January 2016, Royal Society of Chemistry
  • DOI: 10.1039/c6ta06974f

Nickel coordination supermolecular network/graphene composite asymmetric supercapacitor

What is it about?

Coordination Supermolecular networks (CSNs) are promising candidates for electro-chemical capacitors. We have synthesized the Ni-pydc (pyridine-2,6-dicarboxylate) coated graphene electrode material for super-capacitor via a one-step electro-chemical method. Furthermore ,we assembled a asymmetry super-capacitor device to prove its high-power ability.

Why is it important?

This article revealed the inspiring possibility of Coordination Supermolecular networks (CSNs) applied in functional materials. The synthesized the Ni-pydc/graphene electrode material showed incredible pseudo-capacity performance (1282F/g & 93% retention over 3000 cycles).

Perspectives

Zhongheng Wang (Author)

This research represented the excellent ability of Coordination Supermolecular networks (CSNs) in electrochemical energy storage. We hope it can inspire more researchers to further exploring the fascinating possibility of CSNs. We also hope this synthetic method can be applied to preparing other high-performance composite electrode materials.

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http://dx.doi.org/10.1039/c6ta06974f

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