Polymer electrolytes including porous organic particles

Details Polymer electrolytes including porous organic particles Polymer electrolytes including porous organic particles

H - Electricity

01

M

H01M 10/0565 (2010.01) H01M 10/052 (2010.01)

Patent

CA 2750398

The present invention is directed to an electrolyte comprising a first phase including a porous organic microparti-cle; and a second phase including an ethylene oxide-containing polymer (i.e., an EOP); wherein the second phase is a continuous phase. The polymeric electrolyte compositions preferably also includes a lithium salt and optionally a solvent. The polymeric elec-trolyte composition may have 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 concerne un électrolyte comportant une première phase comprenant une microparticule organique poreuse; et une seconde phase comprenant un polyoxyde d'éthylène (c'est-à-dire, un POE), la seconde phase étant une phase continue. De préférence, la composition d'électrolyte polymère comporte également un sel de lithium et éventuellement un solvant. La composition d'électrolyte polymère peut avoir un module de cisaillement, G', mesuré à un rad/s et environ 30°C et une conductivité, s, mesurée à environ 30°C, de sorte que i) G'-s est supérieur à environ 200 (S/cm) (dynes/cm2); et ii) G' est compris entre environ about 104 et environ 1010 dynes/cm2.

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