Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1995-06-02
1996-09-10
Willis, Jr., Prince
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429129, 429131, 429237, 429241, 429242, H01M 220
Patent
active
055544630
ABSTRACT:
An expanded screen current collector is provided with side edges coined inwardly to prevent sharp tines formed along the side edges from damaging adjacent components within the electrochemical cell. The expanded screen current collector is formed by cutting a thin flat sheet of current collector material, such as titanium or stainless steel, to have a height somewhat greater than a height required for use within the electrochemical cell. The current collector material is cut and expanded, then the side edges are coined inwardly by an amount sufficient to reduce the height of the resulting expanded screen current collector to a height appropriate for use within the electrochemical cell. An active cathode material, such as polycarbonmonoflouride, is coated onto side surfaces of the expanded screen current collector. An electrode structure employing the expanded screen current collector having the coined edges is also described. The improved expanded screen current collector is employed within an electrochemical cell adapted for use within an implantable device.
REFERENCES:
patent: 3907593 (1975-09-01), Marincic
patent: 4865933 (1989-09-01), Blanyer et al.
Marincic Nikola
Rabadjija Luka
Nuzzolillo M.
Pacesetter Inc.
Romano Malcolm J.
Schloss Harold C.
Willis Jr. Prince
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