Material fuel cell separator, fuel cell separator using same, fuel cell stack, and method of producing fuel cell separator material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9806351
SERIAL NO

14237673

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A material for fuel cell separator, wherein a surface layer 6 containing Au and Cr is formed on a surface of a Ti base 2, and an intermediate layer 2a containing Ti, O, Cr, and less than 20 atomic % of Au is present between the Ti base and the surface layer, a thickness of an area containing 65 atomic % or more of Au being 1.5 nm or more, a maximum concentration of Au being 80 atomic % or more, a coating amount of Au being 9000 to 40000 ng/cm2, a ratio represented by (Au coating amount)/(Cr coating amount) being 10 or more, a coating amount of Cr being 200 ng/cm2 or more, and in the intermediate layer having an area containing 10% or more of Ti, 10% or more of O and 20% or more of Cr being 1 nm or more.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • JX NIPPON MINING & METALS CORPORATION

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibuya, Yoshitaka Ibaraki, JP 31 133

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 30, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 30, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00