High-Performance Nanostructured Supercapacitors on a Sponge Chen, Wei ; Rakhi, R. B. ; Hu, Liangbing ; Xie, Xing ; Cui, Yi ; Alshareef, H. N. Abstract Publication: Nano Letters Pub Date: December 2011 DOI: 10.1021/nl2023433 Bibcode: 2011NanoL..11.5165C