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Coated carbon nanotube array electrodes

United States Patent

December 12, 2006
View the Complete Patent at the US Patent & Trademark Office
The present invention provides conductive carbon nanotube (CNT) electrode materials comprising aligned CNT substrates coated with an electrically conducting polymer, and the fabrication of electrodes for use in high performance electrical energy storage devices. In particular, the present invention provides conductive CNTs electrode material whose electrical properties render them especially suitable for use in high efficiency rechargeable batteries. The present invention also provides methods for obtaining surface modified conductive CNT electrode materials comprising an array of individual linear, aligned CNTs having a uniform surface coating of an electrically conductive polymer such as polypyrrole, and their use in electrical energy storage devices.
Ren; Zhifeng (Newton, MA), Wen; Jian (Newton, MA), Chen; Jinghua (Chestnut Hill, MA), Huang; Zhongping (Belmont, MA), Wang; Dezhi (Wellesley, MA)
The Trustees of Boston College (Chestnut Hill, MA)
10/ 305,804
November 27, 2002
STATEMENT AS TO FEDERALLY SPONSORED RESEARCH The present invention was made with partial support from the US Army Natick Soldier Systems Center under grant No. DAAD 16-00-C-9227, Department of Energy under grant No. DE-FG02-00ER45805, the National Science Foundation under grant No. DMR-9996289 and the US Army Research Office under grant No. DAAD19-00-1-0001.