H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/24 (2006.01) H01M 2/06 (2006.01) H01M 2/30 (2006.01) H01M 2/32 (2006.01) H01M 4/38 (2006.01) H01M 10/24 (2006.01)
Patent
CA 2281136
For use in lithium secondary cells, a positive electrode terminal 51 and a negative electrode terminal 81 are given an enhanced mechanical strength to improve the reliability of electrical connection between the cell and an external circuit, while the formation of oxide film on these terminals is inhibited to suppress the discharge voltage drop of the cell. To give these advantages to the lithium secondary cell embodying the invention, the positive electrode terminal 51 is formed from an aluminum alloy containing magnesium and silicon in a combined amount of at least 1.0 wt.% as additive elements, and the negative electrode terminal 81 is formed by plating a substrate of oxygen-free copper with nickel.
Fujiwara Kazuyasu
Nakanishi Naoya
Nohma Toshiyuki
Satoh Kouichi
Yonezu Ikuo
Riches Mckenzie & Herbert Llp
Sanyo Electric Co. Ltd.
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