Porous metal body and method for producing porous metal body

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United States of America Patent

PATENT NO 10128513
APP PUB NO 20170069918A1
SERIAL NO

15123333

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Abstract

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An object of the present invention is to provide, at a low cost, a porous metal body that can be used in an electrode of a fuel cell and that has better corrosion resistance. The porous metal body has a three-dimensional mesh-like structure and contains nickel (Ni), tin (Sn), and chromium (Cr). A content ratio of the tin is 10% by mass or more and 25% by mass or less, and a content ratio of the chromium is 1% by mass or more and 10% by mass or less. On a cross section of a skeleton of the porous metal body, the porous metal body contains a solid solution phase of chromium, nickel, and tin. The solid solution phase contains a solid solution phase of chromium and trinickel tin (Ni3Sn), the solid solution phase having a chromium content ratio of 2% by mass or less, and does not contain a solid solution phase that is other than a solid solution phase of chromium and trinickel tin (Ni3Sn) and that has a chromium content ratio of less than 1.5% by mass.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC INDUSTRIES LTDOSAKA JAPAN OSAKA
SUMITOMO ELECTRIC TOYAMA CO LTDIMIZU-SHI TOYAMA 934-8522

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Awazu, Tomoyuki Hyogo, JP 92 2040
Kato, Masahiro Hyogo, JP 455 2515
Majima, Masatoshi Hyogo, JP 169 532
Okuno, Kazuki Hyogo, JP 122 337
Saito, Hidetoshi Toyama, JP 100 1555
Tsuchida, Hitoshi Toyama, JP 41 139
Tsukamoto, Kengo Toyama, JP 14 28

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