Current collector manufacture by arc spray deposition

Details Current collector manufacture by arc spray deposition Current collector manufacture by arc spray deposition

1998-06-15

2000-09-12

Chaney, Carol

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

296235, 429127, 429236, H01M 470

Patent

active

061175935

ABSTRACT:
Arc spray deposition of molten metal droplets on plastic electrodes creates a tight bonded adhesion and increases the surface area contact between collector and electrode. This is especially efficacious for lithium secondary batteries which are known to flex during charge and discharge cycles leading to battery failure. The strength of the bonding interaction, and a resistance to stress cracking are observed when a perforated or expanded metal strip is utilized to reinforce the arc spray deposited metal collector.

REFERENCES:
patent: 4070528 (1978-01-01), Bergum et al.
patent: 5370950 (1994-12-01), Kageyama
patent: 5403680 (1995-04-01), Otagawa et al.
patent: 5436091 (1995-07-01), Shackle et al.
patent: 5523179 (1996-06-01), Chu
patent: 5716422 (1998-02-01), Muffoletto et al.

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