| http://www.w3.org/ns/prov#value | - Generally advantageous compounds according to the invention are those which have ionic conductivities higher than 10-5 ??-1.cm-1, preferably at temperatures below 150??? C., and more particularly lower than 100??? C., even then 60??? C. or even at ambient temperature, especially in the case where very thin electrolytes are used.
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