Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
125 words
1 . A non-aqueous electrolyte additive comprising an organometallic compound represented by the following Chemical Formula 1: wherein R 1 and R 2 , which are independently or simultaneously an alkyl group with 1 to 4 carbon atoms, an alkoxy group with 1 to 4 carbon atoms, an acetyl group, a sulfonic acid group, or fluorocarbon, acetoxy, —OSO 3 H, —CF 3 , or a phenyl group or phenoxy group substituted by an alkyl group with 1 to 4 carbon atoms or a halogen; M is an atom selected from the group consisting of Al, B, Si, Ti, Nb, V, Cr, Mn, Fe, Co, Ni, Sn, Ga, Zr and Ta; x is a valence of a central metal atom; y is a value satisfying 0≦y≦x−2.
Claim 2
Dependent Claim
125 words
1 . A non-aqueous electrolyte additive comprising an organometallic compound represented by the following Chemical Formula 1: wherein R 1 and R 2 , which are independently or simultaneously an alkyl group with 1 to 4 carbon atoms, an alkoxy group with 1 to 4 carbon atoms, an acetyl group, a sulfonic acid group, or fluorocarbon, acetoxy, —OSO 3 H, —CF 3 , or a phenyl group or phenoxy group substituted by an alkyl group with 1 to 4 carbon atoms or a halogen; M is an atom selected from the group consisting of Al, B, Si, Ti, Nb, V, Cr, Mn, Fe, Co, Ni, Sn, Ga, Zr and Ta; x is a valence of a central metal atom; y is a value satisfying 0≦y≦x−2.
Claim 3
Dependent Claim
152 words
2 . A non-aqueous electrolyte lithium ion secondary battery comprising: a) an anode capable of adsorbing and releasing lithium; b) a cathode capable of adsorbing and releasing lithium; and c) a non-aqueous electrolyte comprising an organometallic compound represented by the following Chemical Formula 1: wherein R 1 and R 2 , which are independently or simultaneously an alkyl group with 1 to 4 carbon atoms, an alkoxy group with 1 to 4 carbon atoms, an acetyl group, a sulfonic acid group, or fluorocarbon, acetoxy, —OSO 3 H, —CF 3 , or a phenyl group or phenoxy group substituted by an alkyl group with 1 to 4 carbon atoms or a halogen; M is an atom selected from the group consisting of Al, B, Si, Ti, Nb, V, Cr, Mn, Fe, Co, Ni, Sn, Ga, Zr and Ta; x is a valence of a central metal atom; y is a value satisfying 0≦y<x−2.
Claim 4
Dependent Claim
152 words
2 . A non-aqueous electrolyte lithium ion secondary battery comprising: a) an anode capable of adsorbing and releasing lithium; b) a cathode capable of adsorbing and releasing lithium; and c) a non-aqueous electrolyte comprising an organometallic compound represented by the following Chemical Formula 1: wherein R 1 and R 2 , which are independently or simultaneously an alkyl group with 1 to 4 carbon atoms, an alkoxy group with 1 to 4 carbon atoms, an acetyl group, a sulfonic acid group, or fluorocarbon, acetoxy, —OSO 3 H, —CF 3 , or a phenyl group or phenoxy group substituted by an alkyl group with 1 to 4 carbon atoms or a halogen; M is an atom selected from the group consisting of Al, B, Si, Ti, Nb, V, Cr, Mn, Fe, Co, Ni, Sn, Ga, Zr and Ta; x is a valence of a central metal atom; y is a value satisfying 0≦y<x−2.
Claim 5
Dependent Claim
34 words
3 . The lithium ion secondary battery according to claim 3 , wherein the a) anode comprises carbon material selected from a group consisting of graphite, carbon fiber, and active carbon as active material.
Claim 6
Dependent Claim
54 words
4 . The lithium ion secondary battery according to claim 3 , wherein the b) cathode comprises a lithium transition metal complex oxide represented by the following Chemical Formula 2 as active material: [Chemical Formula 2] Li x MO 2 wherein M is Ni, Co, or Mn; and x is a value satisfying 0.05≦x≦1.10.
Claim 7
Dependent Claim
30 words
5 . The lithium ion secondary battery according to claim 3 , wherein the c) organometallic compound is contained in an amount of 0.01 to 20 wt % of electrolyte.