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Nanoporous carbon actuator and methods of use thereof

United States Patent

8,231,770
July 31, 2012
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An electrochemically driveable actuator according to one embodiment includes a nanoporous carbon aerogel composition capable of exhibiting charge-induced reversible strain when wetted by an electrolyte and a voltage is applied thereto. An electrochemically driven actuator according to another embodiment includes a nanoporous carbon aerogel composition wetted by an electrolyte; and a mechanism for causing charge-induced reversible strain of the composition. A method for electrochemically actuating an object according to one embodiment includes causing charge-induced reversible strain of a nanoporous carbon aerogel composition wetted with an electrolyte to actuate the object by the strain.
Biener; Juergen (San Leandro, CA), Baumann; Theodore F. (Discovery Bay, CA), Shao; Lihua (Karlsruhe, DE), Weissmueller; Joerg (Stutensee, DE)
Lawrence Livermore National Security, LLC (Livermore, CA)
12/ 723,215
March 12, 2010
The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.