Polymer electrolyte composition for rechargeable lithium battery and rechargeable lithium battery fabricated using same
AssigneeSamsung SDI Co., Ltd.
InventorsYong-Beom Lee, Eui-Hwan Song
Life of this patent
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Abstract
Disclosed is a polymer electrolyte composition for a rechargeable lithium battery including a multifunctional monomer represented by formula 1, a polymer initiator, a non-aqueous organic solvent, and a lithium salt: where A is one represented by one of formulae 1a, 1b, or 1c; where n is an integer of 1 to 10; R1 to R7 are the same or are independently selected from H, C1 to C3 alkyls, and C≡N; and X is a C1 to C20 aliphatic or aromatic carbon, or polyether.
Claims16
A polymer electrolyte for a rechargeable lithium battery, comprising the polymerization reaction product of a polymer reactant mixture comprising:
- a multifunctional monomer represented by formula 1;
- a polymerization initiator;
- a non-aqueous organic solvent;
- and
- a lithium salt:
- where A is selected from formulae 1a and 1c;
- where n is an integer from 1 to 10;
- R1 to R7 are the same or are independently selected from H, C1 to C3 alkyls, and C≡N;
- and
- X is a C1 to C20 aliphatic or aromatic carbon, or polyether.
A rechargeable lithium battery comprising:
- a positive electrode comprising a positive active material in which lithium intercalation reversibly occurs;
- a negative electrode comprising a negative active material in which lithium intercalation reversibly occurs;
- and
- a polymer electrolyte obtained by polymerizing a polymer reactant mixture comprising a multifunctional monomer represented by formula 1, a polymerization initiator, a non-aqueous organic solvent, and a lithium salt:
- where A is one represented by one of formula 1a or 1c;
- where n is an integer from 1 to 10,
- R1 to R7 are the same or are independently selected from H, C1 to C3 alkyls, and C≡N;
- and
- X is a C1 to C20 aliphatic or aromatic carbon, or polyether.
Dependencies are inferred from the claim text.