CN105119008B - 一种sofc抗积碳阳极的制备方法 - Google Patents

一种sofc抗积碳阳极的制备方法 Download PDF

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CN105119008B
CN105119008B CN201510589230.0A CN201510589230A CN105119008B CN 105119008 B CN105119008 B CN 105119008B CN 201510589230 A CN201510589230 A CN 201510589230A CN 105119008 B CN105119008 B CN 105119008B
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anode
autoclave
sofc
fuel cell
carbons
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CN105119008A (zh
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孙良良
罗凌虹
刘丽丽
吴也凡
徐序
石纪军
程亮
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Jingdezhen Ceramic Institute
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9041—Metals or alloys
    • H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Inert Electrodes (AREA)

Abstract

本发明公开一种SOFC抗积碳阳极的制备方法，以Ru、Ag、Cu、Pt、Ir、Rh的硝酸盐或氯化盐浸渍溶液，通过添加有机溶剂和调整PH值后，通过高压水热反应在Ni‑YSZ阳极制得具有抗积碳层的燃料电池的阳极功能层，该功能层可有效阻止含C气体深入Ni‑YSZ阳极内部造成积碳，并具有工艺简单、设备要求低、操作方便、合成温度低的特点，因此具有广阔的市场空间。

Description

一种SOFC抗积碳阳极的制备方法
技术领域
本发明属于固体氧化物燃料电池技术领域，具体涉及一种SOFC抗积碳阳极的制备方法。
背景技术
固体氧化物燃料电池(SOFC)是一种高效清洁能源。阳极是 SOFC 的重要组成部分，通常使用的阳极材料为 Ni 基复合材料，然而当以天然气或煤气作燃料时，该材料存在碳沉积和硫中毒等严重问题，如图1所示。因此，开发高性能抗碳沉积新型阳极材料对降低成本、促进 SOFC 的商业化进程具有重要意义。
发明内容
本发明要解决的技术问题为提供一种工艺简单、操作方便、绿色环保的SOFC抗积碳阳极的制备方法。
本发明通过以下技术方案予以实现：一种SOFC抗积碳阳极的制备方法，其特征在于包括以下步骤：
第一步：制备浓度为0.1～0.5mol/L的Ru、Ag、Cu、Pt、Ir、Rh的硝酸盐或氯化盐浸渍溶液；
第二步：将上述浸渍溶液倒入高压反应釜的聚四氟罐中，并将带Ni-YSZ阳极的燃料电池浸入到浸渍溶液中；
第三步：向聚四氟罐中加入浸渍溶液体积一半的乙醇或丙酮或异丁醇溶液；
第四步：向聚四氟罐中加入盐酸溶液将PH值调节为1～5；
第五步：将聚四氟罐放入高压反应釜中，并将高压反应釜放置到烘箱中升温到110～130℃、保温5～24h，然后降至常温；
第六步：将带Ni-YSZ阳极的燃料电池片从高压反应釜中取出，放置到烘箱中于200～300℃干燥固化，制得具有抗积碳层的燃料电池阳极。
本发明通过水热方法，在燃料电池Ni-YSZ阳极表面制备一层纳米级的多维贵金属抗积碳涂层，可以有效阻止含C气体深入Ni-YSZ阳极内部造成积碳，并且该方法工艺简单、操作方便、绿色环保，因此具有广阔的市场前景。
附图说明
图1为传统带Ni-YSZ阳极燃料电池的结构图；
图2为本发明制得带Ni-YSZ阳极燃料电池的结构图；
图3为实施例1制得带Ni-YSZ阳极燃料电池的断面SEM图；
图4为实施例1制得的燃料电池在750℃时，以甲烷为燃料时的I-V曲线。
具体实施方式
为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效，以下结合较佳实施例，对本发明进行详细说明如下：
实施例1
一种SOFC抗积碳阳极的制备方法，其特征在于包括以下步骤：
第一步：制备浓度为0.5mol/L的RuCl3浸渍溶液；
第二步：将20ml上述浸渍溶液倒入高压反应釜的聚四氟罐中，并将带Ni-YSZ阳极的燃料电池浸入到浸渍溶液中；
第三步：向聚四氟罐中加入10ml的丙酮溶液；
第四步：向聚四氟罐中加入盐酸溶液将PH值调节为3；
第五步：将聚四氟罐放入高压反应釜中，并将高压反应釜放置到烘箱中升温到120℃、保温12h，然后降至常温；
第六步：将带Ni-YSZ阳极的燃料电池片从高压反应釜中取出，放置到烘箱中于200℃干燥固化，制得具有抗积碳层的燃料电池阳极，其结构如图2所示，其断面SEM检测结果如图3所示。
上述制得的燃料电池在750℃时，以甲烷为燃料，甲烷流量为50ml/min时的I-V曲线如图4所示。
实施例2
一种SOFC抗积碳阳极的制备方法，其特征在于包括以下步骤：
第一步：制备浓度为0.1mol/L的RhCl3浸渍溶液；
第二步：将30ml上述浸渍溶液倒入高压反应釜的聚四氟罐中，并将带Ni-YSZ阳极的燃料电池浸入到浸渍溶液中；
第三步：向聚四氟罐中加入15ml的乙醇溶液；
第四步：向聚四氟罐中加入盐酸溶液将PH值调节为2；
第五步：将聚四氟罐放入高压反应釜中，并将高压反应釜放置到烘箱中升温到110℃、保温24h，然后降至常温；
第六步：将带Ni-YSZ阳极的燃料电池片从高压反应釜中取出，放置到烘箱中于250℃干燥固化，制得具有抗积碳层的燃料电池阳极。
实施例3
一种SOFC抗积碳阳极的制备方法，其特征在于包括以下步骤：
第一步：制备浓度为0.3mol/L的PtCl3浸渍溶液；
第二步：将30ml上述浸渍溶液倒入高压反应釜的聚四氟罐中，并将带Ni-YSZ阳极的燃料电池浸入到浸渍溶液中；
第三步：向聚四氟罐中加入15ml的异丁醇溶液；
第四步：向聚四氟罐中加入盐酸溶液将PH值调节为1；
第五步：将聚四氟罐放入高压反应釜中，并将高压反应釜放置到烘箱中升温到130℃、保温8h，然后降至常温；
第六步：将带Ni-YSZ阳极的燃料电池片从高压反应釜中取出，放置到烘箱中于300℃干燥固化，制得具有抗积碳层的燃料电池阳极。

Claims (1)

1.一种SOFC抗积碳阳极的制备方法，其特征在于包括以下步骤：
第一步：制备浓度为0.1～0.5mol/L的Ru、Ag、Cu、Pt、Ir和Rh的任意一种的硝酸盐或氯化盐浸渍溶液；
第二步：将上述浸渍溶液倒入高压反应釜的聚四氟罐中，并将带Ni-YSZ阳极的燃料电池浸入到浸渍溶液中；
第三步：向聚四氟罐中加入浸渍溶液体积一半的乙醇或丙酮或异丁醇溶液；
第四步：向聚四氟罐中加入盐酸溶液将PH值调节为1～5；
第五步：将聚四氟罐放入高压反应釜中，并将高压反应釜放置到烘箱中升温到110～130℃、保温5～24h，然后降至常温；
第六步：将带Ni-YSZ阳极的燃料电池片从高压反应釜中取出，放置到烘箱中于200～300℃干燥固化，制得具有抗积碳层的燃料电池阳极。
CN201510589230.0A 2015-09-17 2015-09-17 一种sofc抗积碳阳极的制备方法 Expired - Fee Related CN105119008B (zh)

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