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Stainless Steel For Fuel Cell Separator Having Excellent Through Plane Electrical Conductivity And Corrosion Resistance And Method For Manufacturing Same
Abstract: According to an embodiment of stainless steel for a fuel cell separator, having excellent through-plane electrical conductivity and corrosion resistance, according to the present specification, when the surface of the stainless steel containing 15 wt% or greater of Cr is measured at a condition of a photoelectron take-off angle of 12° by X-ray angle-resolved photoelectron spectroscopy using an Al-Ka X-ray source, a measured value of the surface oxide element ratio (1) below may be 0.5-5, and a measured value of the surface oxide element ratio (2) below may be 0.5 or less. [Formula 1]
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
07 June 2023
Publication Number
28/2024
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
POSCO CO., LTD
6261, Donghaean-ro, Nam-gu,
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. KIM, Jonghee
912-1203, 26, Sangdaenam-ro
Yuseong-gu
Daejeon 34200
2. KIM, Jinsuk
332-204, 303, Jigok-ro, Nam-gu
Pohang-si
Gyeongsangbuk-do 37671
3. SEO, Bosung
104-503, 62, Yugang-gil 9beon-gil, Yeonil-eup, Nam-gu
Pohang-si
Gyeongsangbuk-do 37656
4. KIM, Kwangmin
227-403, 294, Jigok-ro, Nam-gu
Pohang-si
Gyeongsangbuk-do 37669
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317039088-STATEMENT OF UNDERTAKING (FORM 3) [07-06-2023(online)].pdf | 2023-06-07 |
| 2 | 202317039088-REQUEST FOR EXAMINATION (FORM-18) [07-06-2023(online)].pdf | 2023-06-07 |
| 3 | 202317039088-POWER OF AUTHORITY [07-06-2023(online)].pdf | 2023-06-07 |
| 4 | 202317039088-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [07-06-2023(online)].pdf | 2023-06-07 |
| 5 | 202317039088-FORM 18 [07-06-2023(online)].pdf | 2023-06-07 |
| 6 | 202317039088-FORM 1 [07-06-2023(online)].pdf | 2023-06-07 |
| 7 | 202317039088-DRAWINGS [07-06-2023(online)].pdf | 2023-06-07 |
| 8 | 202317039088-DECLARATION OF INVENTORSHIP (FORM 5) [07-06-2023(online)].pdf | 2023-06-07 |
| 9 | 202317039088-COMPLETE SPECIFICATION [07-06-2023(online)].pdf | 2023-06-07 |
| 10 | 202317039088.pdf | 2023-06-16 |
| 11 | 202317039088-FORM-26 [27-07-2023(online)].pdf | 2023-07-27 |
| 12 | 202317039088-Verified English translation [13-09-2023(online)].pdf | 2023-09-13 |
| 13 | 202317039088-Proof of Right [13-09-2023(online)].pdf | 2023-09-13 |
| 14 | 202317039088-FORM 3 [13-09-2023(online)].pdf | 2023-09-13 |
| 15 | 202317039088-GPA-040923.pdf | 2023-10-12 |
| 16 | 202317039088-Correspondence-040923.pdf | 2023-10-12 |
| 17 | 202317039088-Verified English translation [08-01-2024(online)].pdf | 2024-01-08 |
| 18 | 202317039088-Verified English translation [08-01-2024(online)]-1.pdf | 2024-01-08 |