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Title: Method for preparing aqueous MnO₂ ink and capacitive energy storage devices comprising MnO₂
Authors: Qian, J 
Yuan, J 
Lau, SP 
Issue Date: 27-Aug-2019
Source: US Patent US10,395,851 B2. Washington, DC: US Patent and Trademark Office, 2019.
Abstract: In one aspect, the present disclosure relates to an improved method of preparing concentrated MnO.sub.2 ink with increased efficiency and cost effectiveness. The method involves mixing KMnO.sub.4 solution with highly crystalline carbon particles (HCCPs) with average diameters less than 800 nm at C. for at least 8 hours. The present disclosure further relates to a symmetric supercapacitor device comprising MnO.sub.2 coated electrodes and a solid state ionic liquid as electrolyte, as well as an interdigital transparent SC (IT-SC) device comprising aqueous MnO.sub.2 ink.
Rights: Assignee: The Hong Kong Polytechnic University
Appears in Collections:Patent

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