Synthesis of polymer electrolytes based on poly[2‐(2‐methoxyethoxy)ethyl glycidyl ether] and their high ionic conductivity | Zendy

Kono Michiyuki | Zendy; Furuta Katsuji | Zendy; Mori Shigeo | Zendy; Watanabe Masayoshi | Zendy; Ogata Naoya | Zendy

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Synthesis of polymer electrolytes based on poly[2‐(2‐methoxyethoxy)ethyl glycidyl ether] and their high ionic conductivity

Author(s) -

Kono Michiyuki,

Furuta Katsuji,

Mori Shigeo,

Watanabe Masayoshi,

Ogata Naoya

Publication year - 1993

Publication title -

polymers for advanced technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.61

H-Index - 90

eISSN - 1099-1581

pISSN - 1042-7147

DOI - 10.1002/pat.1993.220040205

Subject(s) - materials science , ionic conductivity , electrolyte , copolymer , ethylene oxide , polymer , conductivity , polymer chemistry , ionic bonding , ether , chemical engineering , organic chemistry , chemistry , electrode , composite material , ion , engineering

Network polymer electrolytes based on poly[2‐(2‐methoxyethoxy)ethyl glycidyl ether] (PME2GE) were synthesized and characterized. The effects of crosslinking density, the introduction of ethylene oxide (EO) unit into the main chain by copolymerization, and the electrolyte (LiClO 4 ) concentration on the ionic conductivity were explored. The random copolymer system improved the conductivity considerably compared with the polymer electrolytes previously obtained for network polymer systems and exhibited a high ionic conductivity of 10 −4 S/cm at 40°C and 10 −5 S/cm at 10°C, and even 3 X 10 −7 S/cm at −20°C with optimization of the copolymer composition, the crosslinking density and the amount of LiClO 4 . The optimum composition was EO/ME2GE = 70/30 in molar ratio. The most preferable ratio of LiClO 4 to etheric oxygen was in the range of 0.02–0.03.

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