2，是石墨極板接觸電阻的2倍。"/>

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質(zhì)子交換膜燃料電池用6061鋁合金極板表面類石墨碳涂層的導(dǎo)電耐蝕性能
作者:
作者單位:

1.西安工業(yè)大學(xué)，陜西 西安 710021;2.西安理工大學(xué)，陜西 西安 710048

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基金項(xiàng)目:

中國博士后科學(xué)基金（No. 2020M683670XB）；西安工業(yè)大學(xué)2020年國家級大創(chuàng)項(xiàng)目（No. S202010702037）


Conductive and Corrosion-Resistant Properties of Graphite-like Carbon Coating on 6061 Aluminum Alloy Bipolar Plate for Proton Exchange Membrane Fuel Cell
Author:
Affiliation:

1.Xi 'an Technological University, Xi 'an 710021, China;2.Xi 'an University of Technology, Xi 'an 710048, China

Fund Project:

China Postdoctoral Science Foundation (2020M683670XB); National Innovation Project of Xi''an Technological University (S202010702037)

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    摘要:

    為了獲得6061鋁合金極板表面類石墨碳涂層抗質(zhì)子酸腐蝕的臨界厚度和界面接觸電阻的降低量值，采用磁控濺射方法在6061鋁合金極板表面制備了一系列類石墨碳涂層。表征了類石墨碳涂層的微觀結(jié)構(gòu)，分析了涂層的界面接觸電阻、耐蝕性和穩(wěn)定性。結(jié)果表明，6061鋁合金極板表面耐質(zhì)子交換膜燃料電池陰極環(huán)境腐蝕的類石墨涂層臨界厚度為0.97 μm。與低碳靶電流條件下制備的涂層相比，碳靶電流4.5 A時(shí)制備的涂層表面更加光滑；此時(shí)，類石墨碳涂層的界面接觸電阻最小，為16 mΩ·cm2，是石墨極板接觸電阻的2倍。

    Abstract:

    In order to obtain the critical thickness of graphite-like carbon coating on 6061 aluminum alloy with the corrosion resistance against proton acid and the reduction value of interfacial contact resistance, a series of graphite-like carbon coatings were deposited on 6061 aluminum alloy plate by a magnetron sputtering system. The microstructure of the deposited coatings was characterized, and the interfacial contact resistance, corrosion resistance, and stability of the coatings were analyzed. Results show that the critical thickness of the graphite-like carbon coating on 6061 aluminum alloy with corrosion resistance against the proton acid in proton exchange membrane fuel cell cathode environment is 0.97 μm. Compared with the ones prepared at low carbon target currents, the coatings prepared at the carbon target current of 4.5 A show a smoother surface. When the carbon target current reaches 4.5 A, the interfacial contact resistance is the lowest, reaching 16 mΩ·cm2, which is two times larger than that of the graphite bipolar plate.

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邵文婷,伍翔宇,蔣百鈴,陳建,楊巍.質(zhì)子交換膜燃料電池用6061鋁合金極板表面類石墨碳涂層的導(dǎo)電耐蝕性能[J].稀有金屬材料與工程,2022,51(1):1~5.[Shao Wenting, Wu Xiangyu, Jiang Bailing, Chen Jian, Yang Wei. Conductive and Corrosion-Resistant Properties of Graphite-like Carbon Coating on 6061 Aluminum Alloy Bipolar Plate for Proton Exchange Membrane Fuel Cell[J]. Rare Metal Materials and Engineering,2022,51(1):1~5.]
DOI：10.12442/j. issn.1002-185X. E20200053

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  • 收稿日期:2020-11-10
  • 最后修改日期:2021-01-26
  • 錄用日期:2021-02-03
  • 在線發(fā)布日期: 2022-02-04
  • 出版日期: 2022-01-28