Liquid metal electrical contact compositions and methods of...

H - Electricity – 01 – H

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H01H 1/02 (2006.01) H01R 39/30 (2006.01) H01R 39/64 (2006.01) H02K 31/04 (2006.01)

Patent

CA 2166384

1. A liquid metal electrical contact composition for use in high-current-density electrical systems comprising: a) a metal mixture consisting of: about 5 weight percent to about 95 weight percent of the composition of a first Group III metal selected from the group consisting of aluminum, gallium, indium, thallium, and mixture or alloys thereof, and correspondingly the rest of the metal mixture comprising a second Group III metal also selected from the group consisting of aluminum, gallium, indium, thallium, and mixtures or alloys thereof; and b) a lubricant.

L'invention concerne des compositions à base de métaux liquides pour contacts électriques. Ces compositions comprennent un mélange de métaux constitué d'un premier et d'un second métal du groupe III du tableau périodique des éléments, et un lubrifiant. Le mélange de métaux est de préférence un mélange de gallium et d'indium. Le lubrifiant est de préférence à base de métal et tout particulièrement à base de molybdène. Ces compositions à base de métaux liquides pour contacts électriques s'utilisent notamment pour des applications à courants de forte densité. L'invention concerne en outre des procédés permettant de transférer un courant entre différents points.

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