期刊
COMPOSITES PART B-ENGINEERING
卷 238, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2022.109910
关键词
Conductive polymer; Polypyrrole; Organic-inorganic hybrid; Supercapacitor; Thick electrode; Compact energy storage
资金
- Australian Research Council [DP190101008, FT190100058]
- UNSW Scientia Program
- University International Postgraduate Award (UIPA) PhD Scholarship from UNSW Sydney
- Australian Research Council [FT190100058] Funding Source: Australian Research Council
Miniaturised and compact energy storage systems are crucial for the development of modern electronic products. We have reported a novel conductive material, TALPy, which exhibits good charge storage performance and stability.
Miniaturised and compact energy storage systems are critical for the development of modern electronic products. Here, we report a novel conductive polypyrrole-tungstate self-assembly with quasi-layered structure (denoted tungstate anion linked polypyrrole or TALPy) and its performance for use as high-density and ultra-thick elec-trodes in supercapacitors. The TALPy electrodes exhibit good charge storage kinetics, excellent volumetric and areal capacitances. With an ultrahigh mass loading of 50 mg cm-2, TALPy electrode delivers a highest areal capacitance of 4.12 F cm(-2) (at 1 mA cm(-2)), surpassing many state-of-the-art electrode materials. More impor-tantly, TALPy electrode also shows a remarkable stability with 94% of capacitance retention after 25,000 charge/ discharge cycles, which surpasses numerous polymer-based electrodes.
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