Coiled lithium battery
DCFirst Claim
1. A coil type lithium battery having a coil electrode body comprising a strip-like negative electrode plate of lithium or lithium alloy, a strip-like positive electrode, a separator interposed between said negative electrode plate and said positive electrode, and an insulating film over the entire outer cylindrical surface of said coiled electrode body extending onto a bottom surface of said electrode body inclusive of a peripheral, lower edge portion thereof.
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Abstract
In a coil type lithium battery comprising a coil electrode body formed by winding a strip like negative electrode plate of lithium or lithium alloy and strip like positive electrode about a separator, the entire outer cylindrical surface of the coil of the electrode body is covered with an insulating film to prevent internal short circuiting of the battery.
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Citations
4 Claims
- 1. A coil type lithium battery having a coil electrode body comprising a strip-like negative electrode plate of lithium or lithium alloy, a strip-like positive electrode, a separator interposed between said negative electrode plate and said positive electrode, and an insulating film over the entire outer cylindrical surface of said coiled electrode body extending onto a bottom surface of said electrode body inclusive of a peripheral, lower edge portion thereof.
- 3. A coil type lithium battery having a coil electrode body comprising a strip-like negative electrode plate of lithium or lithium alloy, a strip-like positive electrode plate, and a separator interposed therebetween, said strip-like positive electrode plate consisting of a charge collecting plane woven mesh of a plurality of longitudinal wires and a plurality of lateral wires and a positive electrode mix containing electrode active material held on said charge collecting mesh, said longitudinal wires and lateral wires heat bonded together at their crossing points.
Specification