Local conductivity effects in polymer electrolytes

Bhattacharyya, A. J. ; Fleig, J. ; Guo, Y. G. ; Maier, J. (2005) Local conductivity effects in polymer electrolytes Advanced Materials, 17 (21). pp. 2630-2634. ISSN 0935-9648

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/adma.20...

Related URL: http://dx.doi.org/10.1002/adma.200500926


Room-temperature area mapping of polymer electrolyte films at the nanoscale reveals considerable heterogeneity, with the positional ionic conductivity varying up to four orders of magnitude. Measurements indicate the presence of a bimodal conductivity distribution (see Figure), with highly conducting regions being amorphous but non-percolating at room temperature.

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