Single ion conductor-containing composite polymer...

Details Single ion conductor-containing composite polymer... Single ion conductor-containing composite polymer...

2007-05-01

2007-05-01

Ryan, Patrick J. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S314000, C429S316000, C429S317000, C429S319000, C429S320000, C429S321000, C429S310000, C429S306000, C429S322000, C429S323000

Reexamination Certificate

active

10750152

ABSTRACT:
Provided are a composite polymer electrolyte for a lithium secondary battery that includes a composite polymer matrix structure having a single ion conductor-containing polymer matrix to enhance ionic conductivity and a method of manufacturing the same. The composite polymer electrolyte includes a first polymer matrix made of a first porous polymer with a first pore size; a second polymer matrix made of a single ion conductor, an inorganic material, and a second porous polymer with a second pore size smaller than the first pore size. The second polymer matrix is coated on a surface of the first polymer matrix. The composite polymer matrix structure can increase mechanical properties. The single ion conductor-containing porous polymer matrix of a submicro-scale can enhance ionic conductivity and the charge/discharge cycle stability.

REFERENCES:
patent: 5219679 (1993-06-01), Abraham et al.
patent: 5296318 (1994-03-01), Gozdz et al.
patent: 6645675 (2003-11-01), Munshi
www.smallparts.com/products/descriptions (porous pvdf and porous polyethylene).
www.osmolabstore.com (OEM GE PVDF (polyvinylidene fluoride) Transfer Membranes) (porous pvdf).
Performance of Bellcore's plastic rechargeable Li-ion batteries, J.M. Tarascon, A.S. Gozdz, C. Schmutz, F. Shokoohi, P.C. Warren, Solid State Ionics 86-88 (1996), pp. 49-54.
J. Electrochem. Soc., vol. 142, No. 6, Jun. 1995, pp. 1789-1798.

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