Remarkably high mixed proton and electron conduction arising from oxidized single-wall carbon nanotubes at room temperature is demonstrated. The respective proton and electronic conductivities are 1.40 and 8.0 × 10−2… Click to show full abstract
Remarkably high mixed proton and electron conduction arising from oxidized single-wall carbon nanotubes at room temperature is demonstrated. The respective proton and electronic conductivities are 1.40 and 8.0 × 10−2 S cm−1 in the in-plane direction, and 3.1 × 10−2 and 1.1 × 10−3 S cm−1 in the out-of-plane direction, indicating their potential in a wide range of solid electrolyte membranes.
               
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