H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/0565 (2010.01) H01M 10/052 (2010.01)
Patent
CA 2752106
The present invention is directed to novel block copolymers and to novel polymeric electrolyte compositions, such as solid polymer electrolytes that comprises a block copolymer including a first block having a glass transition temperature greater than about 6O°C or a melting temperature greater than about 60°C, and a second block including a polyalkoxide. The polymer electrolyte composition preferably has a shear modulus, G', measured at 1 rad/sec and about 30°C and a conductivity, .sigma., measured at about 30 °C, such that i) G'- .sigma. is greater than about 200 (S/cm)(dynes/cm2); and ii) G' is from about 10 4 to about 10 10 dynes/cm2.
La présente invention porte sur de nouveaux copolymères à blocs et sur de nouvelles compositions d'électrolytes polymères, tels que des électrolytes polymères solides qui comportent un copolymère à blocs comprenant un premier bloc ayant une température de transition vitreuse supérieure à environ 60°C ou une température de fusion supérieure à environ 60°C, et un second bloc comprenant un polyalcoxyde. La composition d'électrolytes polymères possède de préférence un module de cisaillement, G', mesuré à 1 rad/s et à environ 30°C et une conductivité, s, mesurée à environ 30°C, tels que i) G'-s est supérieur à environ 200 (S/cm) (dynes/cm ), et ii) G' est d'environ 104 à environ 1010 dynes/cm .
Babinec Susan J.
Brune Douglas A.
Gaupp Carleton L.
Hughes Stephanie L.
Newsham Mark D.
Dow Global Technologies Llc
Smart & Biggar
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