System and method for improved battery structural properties

A polymer electrolyte composition comprising:

• at least one first polymer comprising a molecular structure according to one or more of the following molecular structures:
• wherein each R1 is selected from the group consisting of:
• and combinations thereof;
• wherein each R2 monomer is selected from the group consisting of:
• or combinations thereof;
• wherein R3 and R3′ are each independently selected from the group consisting of:
• wherein R4 and R4′ are each independently selected from the group consisting of hydrogen, methyl, and ethyl;
• wherein each R is independently selected from the group consisting of:
• a substituted or unsubstituted alkylene group having 1 to 40 carbon atoms, a substituted or unsubstituted cycloalkylene group having 4 to 40 carbon atoms, and a substituted or unsubstituted arylene group having 6 to 40 carbon atoms;
• wherein n and m are the number of repeat or individual monomer units, wherein n and m are each independently a value between 1 and 1000;
• and
• wherein a and b are each independently between 0 and 3, wherein at least one of a or b is not 0;
• and
• a plasticizer comprising at least one of a solvent, a salt, or an additive, wherein:
• the solvent is selected from the group consisting of:
• ethylene carbonate, fluoroethylene carbonate, propylene carbonate, vinylene carbonate, trimethylene carbonate, 1,2-butylene carbonate, 2,3-butylene carbonate, trifluoropropylene carbonate, methylene ethylene carbonate, dioxazolone, hexahydroxybenzene triscarbonate, ethylenetetracarboxylic dianhydride, tetrahydroxy-1,4-benzoquinone biscarbonate, di-tert-butyl carbonate, di-tert-butyl dicarbonate, diethyl carbonate, diethyl pyrocarbonate, dimethyl carbonate, ethyl methyl carbonate, diallyl carbonate, diphenyl carbonate, methyl(2,2,2-trifluoroethyl) carbonate, bis(2,2,2-trifluoroethyl) carbonate, dimethoxyethane, diethyl ether, tetrahydrofuran (oxolane), tetraethoxymethane, tetramethoxymethane, triethyl orthoacetate, triethyl orthoformate, trimethylorthoformate, 2,2-diethoxytetrahydrofuran, methyl formate, ethyl formate, methyl propionate, methyl butanoate, ethyl formate, ethyl acetate, ethyl propionate, propyl formate, propyl acetate, propyl proprionate, and combinations thereof;
• the salt is selected from the group consisting of:
• lithium hexafluorophosphate, lithium hexafluoroarsenate, lithium tetrafluoroborate, lithium chlorate, lithium 2,3,7,8-tetraoxo-1,4,6,9-tetraoxa-5-boraspiro[4.4]nonan-5-uide, lithium difluorophosphate, lithium bis(fluorosulfonyl)imide, lithium bis(trifluoromethanesulfonyl)imide, lithium-cyclo-difluoromethane-1,1-bis(sulfonyl)imide, lithium fluoromalonato(difluoro)borate, lithium trifluoromethanesulfonate, lithium tetraoxo-1,4,6,9-tetraoxa-5-boraspiro[4,4]nonan-5-uide, lithium trifluoro[(trifluoromethansulfonylazanidyl)sulfonyl]methane, lithium nitrate, lithium 2,2-difluoro-4,5-dioxo-1,3,2-dioxaborolane-2-uide, and combinations thereof;
• and
• the additive is selected from the group consisting of:
• fluoroethylene carbonate, trivinylcyclotriboroxane, VC, LiDFOB, LiBOB, sulfone, ethyl methyl sulfone, tetramethyl sulfone, prop-1-ene-1,3-sulfone, 1,3-propane sultone, cyclic sulfate, lactic acid O-carboxyanhydride, dioxolone, 5-methyl-4-((trifluoromethoxy)methyl)-1,3-dioxol-2-one, phenyl boronic acid glycol ester, 5-methyl-4-((trimethylsilyloxy)methyl)-1,3-dioxol-2-one, trimethylphosphate, triethylphosphate, tributylphosphate, triphenylphosphate, tris(2,2,2-trifluoroethyl)phosphate, methyl P,P-bis(2,2,2-trifluoroethyl)phosphate, trimethylphosphite, tris(2,2,2-trifluoroethyl)phosphite, dimethyl methyl phosphate, diethyl ethylphosphate, bis(2,2,2-trifluoroethyl) methylphosphate, bis(2,2,2-trifluoroethyl) ethylphosphate, hexa(methoxy)cyclotriphosphazene, (ethoxy)pentafluorocyclotriphosphazene, (phenoxy)pentafluorocyclotriphosphazene, and combinations thereof, wherein
• the additive is between 0.01 weight % and 10 weight % of the polymer electrolyte composition.