In poly(ethylene oxide)-based solid electrolytes, ionic conduction can occur by cations moving inside the helix (along the helix axis) and by anions moving on its envelope. This particular mode of ion transport can be enhanced by alignment of the polymeric structural units. We describe a procedure for orienting the helices in the perpendicular direction, the result of which is a one-order-of-magnitude increase in polymer electrolyte (PE) conductivity and a similar decrease in PE/electrode interphase resistance. This procedure could also be of importance in the orientation of polymers in the nanoscale for various applications.
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Golodnitsky et al. (2004) studied this question.
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