MANUFACTURING ENHANCED GRAPHITE METALLIC BIPOLAR PLATE MATERIALS

WIPO Patent Application WO/2019/060503

A3

The present invention includes methods of manufacturing a metal infused graphitic material. Also described is how this device may be rendered impermeable. The present invention includes the electroplating/electroless deposition of metal on exposed internal and external surfaces of a porous graphitic substrate. The deposition of metal on the internal structure is accomplished by replacing the void space in the porous substrate with an electrolyte solution containing dissolved metallic species. The plating is initiated either through electrochemical means, electroless means, chemical vapor deposition means, or other means obvious to one familiar in the art of metal plating. A post-deposition bath is also described wherein the plating may be removed from one or both sides of the external surface without impacting the internal pore plating.

BISTRIKA ALEXANDER (US)
TENHOFF JACOB (US)
LEWIS KEVIN (US)
LOOS JORDAN (US)
KESSELRING GERARD (US)

PCT/US2018/051881

May 31, 2019

September 20, 2018

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ECHEMION INC (US)

H01M8/0226; C23C18/16; C25D5/48; F28F21/02; F28F21/08; H01L23/373; H01M8/0206; H01M8/0213; H01M8/18

US20110316040A1	2011-12-29
US20130032278A1	2013-02-07
CN105742660A	2016-07-06
EP1715538A1	2006-10-25

CATURLA, F. ET AL.: "Electroless plating of graphite with copper and nickel", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 142, no. 12, 1995, pages 4084 - 4090, XP000551117

MULROONEY, Jeffrey, D. (US)

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