Nano-aggregates of cobalt nickel oxysulfide as a high-performance electrode material for supercapacitors.

Abstract

Nano-aggregates of cobalt nickel oxysulfide (CoNi)OxSy have been synthesized by hydrothermal processing and exhibited specific and areal capacitance as high as 592 F g(-1) and 1628 mF cm(-2), respectively, at a current density of 0.5 A g(-1)/1.375 mA cm(-2). They also show high capacitance retention upon extended cycling at high rates. 
DOI: 10.1039/c3nr03533f

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