The structure and conductivity of crystalline, semicrystalline and amorphous complexes of poly(ethylene oxide) with sodium and lithium salts is briefly reviewed and the rationale for synthesizing low-dimensional, organized polyether complexes is discussed. New polymer electrolytes derived from: (this complex structure is given in the pdf file) where R is a long alkyl side-chain (principally −C16H33 and n = 5) forming both two-component complexes with lithium salts and three-component systems incorporating RX, where R is a long alkyl chain −C16H33 or −C12H25 and X is −C2H5, −OH, and several ethers. Conductivities increase steeply with alkyl melting (33–43°C) and at a transition occurring at 60–70°C. Conductivities 10-3–10-2 Scm-1 over the range 60–100°C are observed in the most highly organized systems. Langmuir–Blodgett films of the complexes (20 molecular layers) are readily deposited. They show temperature-independence of conductivity over the range 10°C to about 90°C.
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Wright et al. (1998) studied this question.