Method of manufacturing electrode for lithium secondary cell

Details Method of manufacturing electrode for lithium secondary cell Method of manufacturing electrode for lithium secondary cell

2005-07-26

2005-07-26

Versteeg, Steven (Department: 1753)

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

C204S192110, C427S585000, C427S449000, C427S402000, C427S058000, C427S379000

Reexamination Certificate

active

06921463

ABSTRACT:
An electrode for a lithium secondary cell capable of attaining excellent charge/discharge characteristics with high discharge capacity is obtained by properly controlling a component of a collector diffusing into active material layers formed on both sides of the collector. Embodiments include forming a first active material layer consisting of a plurality of layers on a first surface of a collector, and forming a second active material layer consisting of a plurality of layers on a second surface of the collector. At least one layer constituting the second active material layer is formed before forming all layers constituting the first active material layer, thereby preventing heat for forming at least one of the layers constituting the second active material layer from being applied to all layers constituting the first active material layer.

REFERENCES:
patent: 6168661 (2001-01-01), Dinkelman
patent: 6255017 (2001-07-01), Turner
patent: 6273955 (2001-08-01), Yoshino et al.
patent: 6610357 (2003-08-01), Endo et al.
patent: 6649033 (2003-11-01), Yagi et al.
patent: 01/29912 (2001-04-01), None
patent: 01/29914 (2001-04-01), None
patent: 01/29918 (2001-04-01), None
R. Huggins,“Lithium Alloy Negative Electrodes Formed From Convertible Oxides”Solid State Ionics, 113-115, 1998, p. 57-67.

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