RU2017132486A - Металлические полоса или лист с нанесенным покрытием на основе нитрида хрома, биполярная пластина и соответствующий способ их изготовления - Google Patents
Металлические полоса или лист с нанесенным покрытием на основе нитрида хрома, биполярная пластина и соответствующий способ их изготовления Download PDFInfo
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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Claims (29)
1. Металлические полоса (1; 1’) или лист, содержащие подложку (3; 3’), изготовленную из нержавеющей стали и покрытую по меньшей мере одним слоем покрытия на основе нитрида хрома (5; 5’), отличающиеся тем, что слой покрытия на основе нитрида хрома (5; 5’) является текстурированным.
2. Металлические полоса (1; 1’) или лист по п. 1, в которых слой покрытия (5; 5’) имеет эпитаксиальное соединение с подложкой (3; 3’).
3. Металлические полоса (1; 1’) или лист по п. 1 или 2, в которых слой покрытия на основе нитрида хрома (5; 5’) получен при использовании способа физического осаждения из газовой фазы.
4. Металлические полоса (1; 1’) или лист по п. 1 или 2, в которых слой покрытия на основе нитрида хрома (5; 5’) получен непосредственно на подложке из нержавеющей стали (3; 3’) без промежуточного размещения пассивного слоя (10).
5. Металлические полоса (1; 1’) или лист по п. 1 или 2, в которых подложка (3; 3’) имеет толщину 75-200 мкм.
6. Металлические полоса (1; 1’) или лист по п. 1 или 2, в которых зерна подложки (3; 3’) имеют размер, составляющий менее 50 мкм.
7. Металлические полоса (1; 1’) или лист по п. 1 или 2, в которых слой покрытия (5; 5’) имеет столбчатую структуру.
8. Металлические полоса (1; 1’) или лист по п. 1 или 2, в которых слой покрытия (5’) необязательно содержит кислород, причем упомянутый слой покрытия (5’) получен в результате физического осаждения из газовой фазы (PVD), характеризующегося тем, что слой покрытия (5’) имеет на своей поверхности зону поверхности (8), имеющую уровень содержания атомарного кислорода меньший, чем уровень содержания атомарного азота.
9. Металлические полоса (1; 1’) или лист по п. 8, в которых зона поверхности (8) имеет высоту, меньшую или равную 15% от общей толщины слоя покрытия (5’).
10. Металлические полоса (1’) или лист по п. 8, в которых слой покрытия (5’) содержит на межфазной поверхности с подложкой (3’) зону межфазной поверхности (6), имеющую уровень содержания атомарного кислорода меньший, чем уровень содержания атомарного азота.
11. Металлические полоса (1’) или лист по п. 10, в которых зона межфазной поверхности (6) имеет высоту, меньшую или равную 15% от общей толщины слоя покрытия (5; 5’).
12. Металлические полоса (1’) или лист по п. 8, в комбинации с п. 10, которые состоят, начиная с подложки (3’) и перемещаясь в направлении к поверхности слоя покрытия (5’), из зоны межфазной поверхности (6), зоны сердцевины (7) и зоны поверхности (8), при этом упомянутые зоны (6, 7, 8) наложены друг на друга в направлении, нормальном к средней плоскости подложки (3’).
13. Металлические полоса (1; 1’) или лист по п. 3, в которых слой покрытия на основе нитрида хрома (5; 5’) осажден посредством катодного распыления.
14. Металлические полоса (1; 1’) или лист по п. 7, в которых ширина столбцов составляет 10-20% от толщины слоя покрытия (5; 5’).
15. Металлические полоса (1; 1’) или лист по п. 5, в которых подложка (3; 3’) имеет толщину, меньшую или равную 100 мкм.
16. Металлические полоса (1; 1’) или лист по п. 6, в которых зерна подложки (3; 3’) имеют размер, составляющий 10-30 мкм.
17. Пластина (13), полученная в результате деформации полосы (1; 1’) или листа по п. 1 или 2.
18. Биполярная пластина (11) для топливного элемента, включающая в себя по меньшей мере одну пластину (13) по п. 17.
19. Способ изготовления металлических полосы (1; 1’) или листа, включающий следующие стадии:
получение подложки из нержавеющей стали (3; 3’), имеющей на своей поверхности пассивный слой (10), полученный в результате естественного окисления нержавеющей стали подложки (3; 3’);
полное обдирание пассивного слоя (10) в по меньшей мере определенных областях подложки (3; 3’);
осаждение нитрида хрома в областях подложки (3; 3’), в которых пассивный слой (10) был ободран, таким образом, чтобы получить слой покрытия на основе нитрида хрома (5; 5’) непосредственно на подложке из нержавеющей стали (3; 3’) без промежуточного размещения пассивного слоя (10), при этом полученный слой покрытия (5; 5’) является текстурированным.
20. Способ по п. 19, в котором полученный слой покрытия (5; 5’) эпитаксиально соединен с подложкой (3; 3’).
21. Способ по п. 19 или 20, в котором обдирание является физическим обдиранием.
22. Способ по п. 19 или 20, в котором слой покрытия на основе нитрида хрома (5; 5’) осаждают при использовании способа физического осаждения из газовой фазы.
23. Способ по п. 22, в котором нитрид хрома осаждают на подложку (3’) в установке для осаждения, включающей камеру для осаждения (20) и мишень из хрома (22), расположенную в камере для осаждения (20), при этом подложку (3’) перемещают через камеру для осаждения (20) в продольном направлении,
при этом камера для осаждения (20) включает в себя область осаждения (30; 30’), имеющую длину меньшую, чем длина камеры для осаждения (20) в продольном направлении, и по меньшей мере первую запретную область (32), примыкающую к области осаждения (30; 30’) в продольном направлении, при этом
во время осаждения нитрид хрома осаждают на подложку (3’) только в области осаждения (30; 30’), и нитрид хрома не осаждают на подложку (3’) в первой запретной области (32).
24. Способ по п. 22, где слой покрытия на основе нитрида хрома (5; 5’) осаждают посредством катодного распыления.
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MX2019010310A (es) | 2017-03-03 | 2019-10-21 | Thyssenkrupp Steel Europe Ag | Material compuesto para un paquete de estator y de rotor. |
KR20200092977A (ko) | 2017-11-06 | 2020-08-04 | 아뻬랑 | 연료 전지 유닛의 요소를 조립하기 위한 양극판 및 양극판을 제조하기 위한 방법, 양극판을 포함하는 연료 전지 유닛 및 상기 유닛을 포함하는 연료 전지 |
EP3747072A1 (fr) | 2018-01-29 | 2020-12-09 | Aperam | Plaque bipolaire pour éléments d'une unité de pile à combustible et son procédé de fabrication, unité de pile à combustible la comportant et pile à combustible comportant cette unité |
CN111933965A (zh) * | 2020-07-24 | 2020-11-13 | 苏州敦胜新能源科技有限公司 | 一种高温燃料电池双极板抗氧化镀层 |
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UA118513C2 (uk) | 2019-01-25 |
BR112017019895A2 (pt) | 2018-06-05 |
RU2698243C2 (ru) | 2019-08-23 |
JP2018514647A (ja) | 2018-06-07 |
CN107406961A (zh) | 2017-11-28 |
KR20170129763A (ko) | 2017-11-27 |
WO2016151358A1 (fr) | 2016-09-29 |
RU2017132486A3 (ru) | 2019-03-18 |
EP3271493A1 (fr) | 2018-01-24 |
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MX2017012154A (es) | 2018-02-09 |
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