Fabrication of 3-D Nanodimensioned Electric Double Layer Capacitor Structures Using Block Copolymer Templates
The need for materials for high energy storage has led to very significant research in supercapacitor systems. These can exhibit electrical double layer phenomena and capacitances up to hundreds of F/g. Here, we demonstrate a new supercapacitor fabrication methodology based around the
microphase separation of PS-b-PMMA which has been used to prepare copper nanoelectrodes of dimension ∼13 nm. These structures provide excellent capacitive performance with a maximum specific capacitance of ∼836 F/g for a current density of 8.06 A/g at a discharge current as
high as 75 mA. The excellent performance is due to a high surface area: volume ratio. We suggest that this highly novel, easily fabricated structure might have a number of important applications.
Document Type: Research Article
Publication date: 01 July 2014
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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