Nonaqueous electrolyte-secondary battery
First Claim
1. A lithium ion type nonaqueous electrolyte-secondary battery comprising a positive electrode which comprises, as an active material, a compound oxide represented by the following chemical formula (I):
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space="preserve" listing-type="equation">Li.sub.x A.sub.y M.sub.z J.sub.m O.sub.p (I)wherein A represents at least one alkali element selected from the group consisting of Na and K;
M represents at least one transition element selected from the group consisting of Co, Mn and Ni;
J represents an element selected from the group consisting of B, Si, Ge, P, V, Zr, and Sb;
0.8≦
x≦
1.3;
0.01≦
y≦
0.2;
0.8≦
z≦
2.0;
0.01≦
m≦
0.2; and
2.0≦
p≦
4.7;
a negative electrode; and
a nonaqueous electrolyte.
2 Assignments
0 Petitions
Accused Products
Abstract
A lithium ion type nonaqueous electrolyte-secondary battery which comprises a positive electrode which comprises, as an active material, a compound oxide represented by the following chemical formula (I):
Li.sub.x A.sub.y M.sub.z J.sub.m O.sub.p (I)
wherein A represents at least one alkali element selected from the group consisting of Na and K; M represents at least one transition element selected from the group consisting of Co, Mn and Ni; J represents an element having a glass-forming ability selected from the group consisting of B, Si, Ge, P, V, Zr, Sb and Ti; 0.8≦x≦1.3; 0≦y≦0.2; 0.8≦z≦2.0; 0.01≦m≦0.2; and 2.0≦p≦2.7; a negative electrode; and a nonaqueous electrolyte. The positive electrode-active material permits the production of nonaqueous electrolyte lithium type secondary batteries having excellent charge-discharge characteristics, discharge voltages and cycle properties.
131 Citations
12 Claims
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1. A lithium ion type nonaqueous electrolyte-secondary battery comprising a positive electrode which comprises, as an active material, a compound oxide represented by the following chemical formula (I):
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space="preserve" listing-type="equation">Li.sub.x A.sub.y M.sub.z J.sub.m O.sub.p (I)wherein A represents at least one alkali element selected from the group consisting of Na and K;
M represents at least one transition element selected from the group consisting of Co, Mn and Ni;
J represents an element selected from the group consisting of B, Si, Ge, P, V, Zr, and Sb;
0.8≦
x≦
1.3;
0.01≦
y≦
0.2;
0.8≦
z≦
2.0;
0.01≦
m≦
0.2; and
2.0≦
p≦
4.7;
a negative electrode; and
a nonaqueous electrolyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification