Composite material and current collector for battery

H - Electricity – 01 – M

Patent

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Details

H01M 4/66 (2006.01) H01B 1/22 (2006.01) H01B 1/24 (2006.01) H01M 4/62 (2006.01) H01M 4/68 (2006.01)

Patent

CA 2509961

A composite material (10) including two sheets of carbon foam (11, 13) laminated together using a bonding material (12), which may permeate pores (14) of both sheets of carbon foam. The bonding material may include an insulating material or a conductive material. The composite material can be configured to serve as a current collector (20) for battery (100). To form the positive and negative plates of a battery, chemically active paste is disposed on the composite current collector. The carbon foam composite material resists corrosion and exhibits a large amount of surface area.

La présente invention concerne un matériau composite (10) comprenant deux films de mousse de carbone (11, 13) laminés conjointement au moyen d'un matériau de liaison (12) qui peut être perméable aux pores (14) des deux films de mousse de carbone. Le matériau de liaison peut comprendre un matériau isolant ou un matériau conducteur. Le matériau composite peut être conçu pour servir de collecteur de courant (20) pour une batterie (100). Afin de former les plaques positives et négatives d'une batterie, une pâte chimio-active est placée sur le collecteur de courant composite. Le matériau composite à mousse de carbone est résistant à la corrosion et présente une grande surface active.

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