Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1994-07-26
1996-07-02
Gorgos, Kathryn
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429218, 252502, 4234472, H01M 642, H01M 648
Patent
active
055320830
ABSTRACT:
A novel flexible carbon article for an electrode is disclosed for use in an electrical storage device in which the flexible carbon article, such as a planar sheet of a plurality of substantially parallel fibers or ribbons, and in which the fibers or ribbons have a Young's modulus of less than 1 MM psi (6.89 Gpa). The invention also resides in an electrical energy storage device, such as a secondary battery, comprising a water impermeable housing having at least one and preferably more than two cells in series, wherein a battery containing at least two cells also contains at least one shared bipolar electrode made of the flexible carbon article. Each cell has a foraminous separator between each pair of electrodes and contains an electrolyte comprising an ionizable salt in a non-aqueous fluid. Also disclosed are methods of making the electrode from an unfiltered precursor polymer and from a sub-acrylic polymer.
REFERENCES:
patent: 3642538 (1972-02-01), Zito
patent: 3658592 (1972-04-01), Dey
patent: 3844837 (1974-10-01), Bennion et al.
patent: 4009323 (1977-02-01), Bennion et al.
patent: 4830938 (1989-05-01), McCullough et al.
patent: 4837076 (1989-06-01), McCullough et al.
Gorgos Kathryn
Juhl Nis H.
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