Metal pole plate surface protective coating, preparation method and application thereof and metal pole plate

Metal pole plate surface protective coating, preparation method and application thereof and metal pole plate

The invention discloses a metal polar plate surface protective coating, a preparation method and application thereof and a metal polar plate, and relates to the technical field of fuel cell manufacturing. Comprising a connecting layer and an amorphous carbon layer which are sequentially coated on th...

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Hauptverfasser: ZHANG CHENG, LIN SONGSHENG, SU YIFAN, TANG PENG, SHI QIAN, WEI CHUNBEI, HUANG SHUQI, DAI MINGJIANG
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator ZHANG CHENG
LIN SONGSHENG
SU YIFAN
TANG PENG
SHI QIAN
WEI CHUNBEI
HUANG SHUQI
DAI MINGJIANG
description The invention discloses a metal polar plate surface protective coating, a preparation method and application thereof and a metal polar plate, and relates to the technical field of fuel cell manufacturing. Comprising a connecting layer and an amorphous carbon layer which are sequentially coated on the surface of a metal pole plate, the amorphous carbon layer comprises a plurality of conductive layers and corrosion-resistant layers which are alternately arranged, and the sp2 hybrid bond content of carbon atoms in the conductive layers is greater than or equal to 70%; and the sp3 hybrid bond content of carbon atoms in the corrosion-resistant layer is greater than or equal to 70%. In the coating provided by the invention, the sp2 hybrid bond content of carbon atoms of the conductive layer is high, and the conductivity of the coating is good; the sp3 hybrid bond content of carbon atoms in the corrosion-resistant layer is high, and the corrosion resistance is high. The corrosion resistance of the metal pole plate c
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Metal pole plate surface protective coating, preparation method and application thereof and metal pole plate
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