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- Title
Comparative Study of the Supercapacitive Performance of Three Ferrocene‐Based Structures: Targeted Design of a Conductive Ferrocene‐Functionalized Coordination Polymer as a Supercapacitor Electrode.
- Authors
Miao, Qian; Rouhani, Farzaneh; Moghanni‐Bavil‐Olyaei, Hamed; Liu, Kuan‐Guan; Gao, Xue‐Mei; Li, Jing‐Zhe; Hu, Xiu‐De; Jin, Zhi‐Min; Hu, Mao‐Lin; Morsali, Ali
- Abstract
As redox‐active based supercapacitors are known as highly desirable next‐generation supercapacitor electrodes, the targeted design of two ferrocene‐functionalized (Fc(COOH)2) clusters based on coinage metals, [(PPh3)2AgO2CFcCO2Ag(PPh3)2]2⋅7 CH3OH (SC1: super capacitor) and [(PPh3)3CuO2CFcCO2Cu(PPh3)3]⋅3 CH3OH (SC2), is reported. Both structures are fully characterized by various techniques. The structures are utilized as energy storage electrode materials, giving 130 F g−1 and 210 F g−1 specific capacitance at 1.5 A g−1 in Na2SO4 electrolyte, respectively. The obtained results show that the presence of CuI instead of AgI improves the supercapacitive performance of the cluster. Further, to improve the conductivity, the PSC2 ([(PPh3)2CuO2CFcCO2]∞), a polymeric structure of SC2, was synthesized and used as an energy storage electrode. PSC2 displays high conductivity and gives 455 F g−1 capacitance at 3 A g−1. The PSC2 as a supercapacitor electrode presents a high power density (2416 W kg−1), high energy density (161 Wh kg−1), and long cycle life over 4000 cycles (93 %). These results could lead to the amplification of high‐performance supercapacitors in new areas to develop real applications and stimulate the use of the targeted design of coordination polymers without hybridization or compositions with additive materials.
- Subjects
COORDINATION polymers; SUPERCAPACITOR electrodes; ENERGY density; ENERGY storage; ENERGY consumption; SUPERCAPACITORS; POWER density; POLYMER electrodes
- Publication
Chemistry - A European Journal, 2020, Vol 26, Issue 43, p9518
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202001109