Aligned Nano-Porous Microwave Exfoliated Graphite Oxide Ionic Actuators with High Strain and Elastic Energy Density

A high-density aligned nanoporous activated microwave exfoliated graphite oxide (aMEGO) ionic actuator is studied. Before applying an external electric field, the cations and anions are randomly distributed in the composite. After applying the electric field, ions ingress in between the aligned aMEG...

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Veröffentlicht in:	Advanced materials (Weinheim) 2013-11, Vol.25 (43), p.6277-6283
Hauptverfasser:	Ghaffari, M., Kinsman, W., Zhou, Y., Murali, S., Burlingame, Q., Lin, M., Ruoff, R. S., Zhang, Q. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Actuation actuator Actuators aligned nano-morphology elastic energy density Electric fields Electrochemical Techniques Electrodes Flux density Graphite Graphite - chemistry Ionic Liquids - chemistry Ions Ions - chemistry Materials science Microwaves nano-porous microwave exfoliated graphite oxide (aMEGO) Nanostructures - chemistry Oxides - chemistry Polymers - chemistry Porosity Sheets Strain Thermodynamics vacuum-assissted self-assembly
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Beschreibung
Zusammenfassung:	A high-density aligned nanoporous activated microwave exfoliated graphite oxide (aMEGO) ionic actuator is studied. Before applying an external electric field, the cations and anions are randomly distributed in the composite. After applying the electric field, ions ingress in between the aligned aMEGO sheets through the nanopores to compensate the charges on the electrodes, resulting in the separation of neighboring sheets and unidirectional electro actuation.
ISSN:	0935-9648 1521-4095
DOI:	10.1002/adma.201301370