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Effect of Chain Architectures of Star-shaped Poly(ethylene glycol) Macromonomers on Enhancement of Thermal, Mechanical, and Electrochemical Performance of Polymer Electrolyte Membranes

Nakano, Shoki ; Piedrahita, Camilo Rendon ; Onozuka, Ryo ; Adachi, Kaoru ; Tsukahara, Yasuhisa ; Pugh, Coleen ; Kyu, Thein

Chemistry letters, , Vol.47 (4), p.587-590 [Periódico revisado por pares]

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Título:
Effect of Chain Architectures of Star-shaped Poly(ethylene glycol) Macromonomers on Enhancement of Thermal, Mechanical, and Electrochemical Performance of Polymer Electrolyte Membranes
Autor: Nakano, Shoki ; Piedrahita, Camilo Rendon ; Onozuka, Ryo ; Adachi, Kaoru ; Tsukahara, Yasuhisa ; Pugh, Coleen ; Kyu, Thein
Assuntos: Chain branching ; Electrochemical analysis ; Electrolytes ; Elongation ; Glass transition temperature ; Ion currents ; Membranes ; Polyethylene glycol ; Polymers ; Temperature
É parte de: Chemistry letters, , Vol.47 (4), p.587-590
Descrição: Polymer electrolyte membranes (PEM) have been fabricated from various star-shaped poly(ethylene glycol) macromonomers to investigate the effect of chain-branching architectures on thermal, mechanical, and electrochemical properties. The PEM prepared from the 4-arm star macromonomer network revealed the lowest glass transition temperature (Tg), the highest modulus, elongation-to-break, and tensile strength relative to those prepared from 3-arm star and linear macromonomers. On the same token, the PEM based on the 4-arm PEG showed the highest ionic conductivity and good capacity retention.
Editor: Tokyo: The Chemical Society of Japan
Idioma: Inglês;Francês;Alemão;Japonês

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