Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
102 words
A non-aqueous electrolyte comprising a non-aqueous solvent and a lithium salt, said non-aqueous solvent is containing a mixture of a halogen-substituted ether compound represented by the general formula [I]: R 1 -O-R 2 [I] (wherein R 1 is an alkyl or halogen-substituted alkyl group having 2 or less carbon atoms and R 2 is a halogen-substituted alkyl group having 2 to 10 carbon atoms) and at least one sort of another compound, and said solvent obtainable by combining the other compound and the halogen-substituted ether compound is capable of dissolving the lithium salt in an amount of not less than 0.5 mol/l.
Claim 2
Dependent Claim
24 words
A non-aqueous electrolyte according to Claim 1, wherein R 1 of the halogen-substituted ether compound in the formula is methyl, fluoromethyl, difluoromethyl or trifluoromethyl.
Claim 3
Dependent Claim
26 words
A non-aqueous electrolyte according to Claim 1 or 2, wherein R 2 in the formula is a halogen-substituted alkyl group having 3 to 5 carbon atoms.
Claim 4
Dependent Claim
24 words
A non-aqueous electrolyte according to Claim 3, wherein R 2 in the formula is a fluorine-substituted alkyl group having 3 to 5 carbon atoms.
Claim 5
Dependent Claim
25 words
A non-aqueous electrolyte according to any one of Claims 1 to 4, wherein the compound coined with the halogen-substituted ether compound is an acyclic carbonate.
Claim 6
Dependent Claim
32 words
A non-aqueous electrolyte according to Claim 5, wherein the acyclic carbonate is dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, methyl propyl carbonate, isopropyl methyl carbonate, ethyl propyl carbonate or isobutyl methyl carbonate.
Claim 7
Dependent Claim
20 words
A non-aqueous electrolyte according to any one of Claims 1 to 6, wherein the non-aqueous solvent contains a cyclic carbonate.
Claim 8
Dependent Claim
25 words
A non-aqueous electrolyte according to Claim 7, wherein the content of the cyclic carbonate in the non-aqueous solvent is 50 % by volume or less.
Claim 9
Dependent Claim
25 words
A non-aqueous electrolyte according to Claim 8, wherein the content of the cyclic carbonate in the non-aqueous solvent is 30 % by volume or less.
Claim 10
Dependent Claim
31 words
A non-aqueous electrolyte according to claim 7, wherein the cyclic carbonate is ethylene carbonate (1,3-dioxolane-2-one), vinylene carbonate (1,3-dioxol-2-one), propylene carbonate (4-methyl-1,3-dioxolane-2-one), 1,2-butylene carbonate (4-ethyl-1,3-dioxolane-2-one), 2,3-butylene carbonate (4,5-dimethyl-1,3-dioxolane-2-one) or isobutylene carbonate (4,4-dimethyl-1,3-dioxolane-2-one).
Claim 11
Dependent Claim
45 words
A lithium secondary battery comprising a cathode that can be doped/undoped with lithium ions, an anode of a lithium metal or alloy or a material that can be doped/undoped with lithium ions, and a non-aqueous electrolyte according to any one of Claims 1 to 10.
Claim 12
Dependent Claim
44 words
A lithium secondary battery according to claim 11, wherein the anode of the material that can be doped/undoped with lithium ions, contains as a single ingredient or a main ingredient at least one carbonaceous material selected from natural or artificial graphite, and coke material
Claim 13
Dependent Claim
42 words
A lithium secondary battery according to claim 11 or 12, wherein the cathode comprises a lithiated metal dioxide which contains at least one sort of lithiated transition metal dioxide wherein the transition metal is selected from vanadium, manganese, iron, cobalt and nickel.
Claim 14
Dependent Claim
29 words
A lithium secondary battery according to claim 13 or 16, wherein the cathode comprises a laminar lithiated metal dioxide which contains as a main ingredient a lithiated nickel dioxide.
Claim 15
Dependent Claim
38 words
A lithium secondary battery according to any one of claim 11 to 14, wherein the anode contains a polymer having a carbonate structure represented by the genaral formula [II] and number average molecular weight of 300 or more