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Proceedings Paper

Development of large-surface Nafion-metal composite actuator and its electrochemical characterization
Author(s): Taegeun Noh; Yong Suk Tak; Jaedo Nam; Jaewook Jeon; Hunmo Kim; Hyoukryeol Choi; Sang Sik Bae
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Paper Abstract

Behaviors of nafion-based actuators are significantly affected by interfacial area between electrode and polymer electrolyte. Replication method was utilized to manufacture a large surface-area composite actuator. Etched aluminum foil was used as a template for replication using liquid nafion solution. Measurement of double layer charging and scanning electron microscopy indicated that interfacial area was greatly increased by replication method. Higher surface area induced a better bending performance of ionic polymer metal composite (IPMC). In parallel, the effect of cations on IPMC was interpreted with constant current experiment, linear sweep voltammetry and electrochemical impedance spectroscopy. For univalent cations, ion size is the most influencing parameter on ionic mobility inside membrane. However, ion-ion interaction affects an ionic mobility for divalent cations.

Paper Details

Date Published: 16 July 2001
PDF: 8 pages
Proc. SPIE 4329, Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices, (16 July 2001); doi: 10.1117/12.432661
Show Author Affiliations
Taegeun Noh, Inha Univ. (South Korea)
Yong Suk Tak, Inha Univ. (South Korea)
Jaedo Nam, Sungkyunkwan Univ. (South Korea)
Jaewook Jeon, Sungkyunkwan Univ. (South Korea)
Hunmo Kim, Sungkyunkwan Univ. (South Korea)
Hyoukryeol Choi, Sungkyunkwan Univ. (South Korea)
Sang Sik Bae, Nanopolymer Inc. (South Korea)

Published in SPIE Proceedings Vol. 4329:
Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices
Yoseph Bar-Cohen, Editor(s)

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