Abstract
In this study, we propose to neutralize the relaxation deformation of Nafion-ionic polymer metal composite (IPMC) by slow anode deformation of Flemion-IPMC caused by carboxyl groups (–COOH). Carboxylated carbon nanotubes (CCNT) as –COOH carriers were doped into a Nafion matrix. By adjusting the doping content from 0 wt% to 10 wt%, an IPMC with constant steady-state deformation has been achieved at a critical CCNT content of 2 wt%. Moreover, the increasing rate of the slow anode deformation with the CCNT content is tunable, which is found to be 2.26 mm s−1 %−1.
Highlights
We propose to neutralize the relaxation deformation of Nafion-ionic polymer metal composite (IPMC) by slow anode deformation of Flemion-IPMC caused by carboxyl groups (–COOH)
Carboxylated carbon nanotubes (CCNT) as –COOH carriers were doped into a Nafion matrix
Based on the nature of Na on and Flemion matrices, and the deformation properties of the corresponding IPMCs, we dope CCNT as –COOH carriers into Na on matrix to develop a new kind of IPMC performing a constant steady-state deformation
Summary
We propose to neutralize the relaxation deformation of Nafion-ionic polymer metal composite (IPMC) by slow anode deformation of Flemion-IPMC caused by carboxyl groups (–COOH). The increasing rate of the slow anode deformation with the CCNT content is tunable, which is found to be 2.26 mm sÀ1 %À1.
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