US 6,569,572 B1 · Lithium battery, polymer electrolyte, electrolyte material, di(meth)acrylic ester, and di(meth)acrylate polymer

Abstract

In a lithium battery comprising a positive electrode, a negative electrode and a gel electrolyte; the gel electrolyte is composed of at least an ester-group or ether-group aprotic polar solvent, a lithium salt and a polymeric compound, and the polymeric compound comprises a polymer of at least one compound among those expressed by an equation (I) and an equation (II). (k: zero or number of 1 or more, m: number of 1 or more, R1:CpH2p, R2:CqH2q, p≠q, p & q: integer of 1 or more, A: CH2═CH—CO— or CH2═C(CH3)—CO—, X: n-valent combination group (n: integer ranging from 1 to 4), r: zero or number of 1 or more, s: number of 1 or more, R3: CtH2t, R4: CuH2u, t≠u, t & u: integer of 1 or more).

Claims10

Dependent claims

A lithium battery comprising:

a positive electrode;
a negative electrode;
and
a gel electrolyte, wherein the gel electrolyte is composed of at least an ester-group or ether-group aprotic polar solvent, a lithium salt and a polymeric compound, and the polymeric compound comprises a polymer of at least one compound among those expressed by formula (I) and formula (II):
wherein:
k is zero or more,
m is 1 or more,
R1 is CpH2p,
R2 is CqH2q,
p≠q,
p and q are integers of 1 or more,
A is CH2═CH—CO— or CH2═C(CH3)—CO—,
X is an n-valent combination group, wherein n is an integer ranging from 1 to 4,
r is zero or more,
s is 1 or more,
R3 is CtH2t,
R4 is CuH2u,
t≠u,
t and u are integers of 1 or more, and u≠2 when r=0.

16 more elements

Dependencies are inferred from the claim text.

Lithium battery, polymer electrolyte, electrolyte material, di(meth)acrylic ester, and di(meth)acrylate polymer

Life of this patent

Lithium battery, polymer electrolyte, electrolyte material, di(meth)acrylic ester, and di(meth)acrylate polymer

Life of this patent

Abstract

Claims10