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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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石墨烯的制备及石墨烯载pd催化剂对甲酸的电催化氧化
, PP. 476-480
Keywords: 石墨烯,钯,甲酸,电催化氧化
Abstract:
？以纳米石墨为原料，用两种方法分别制得石墨烯gn-1和gn-2。结果表明，用两种方法制备的石墨烯比表面积比纳米石墨都有显著增加。两种方法制备的石墨烯gn-1和gn-2形貌不同，孔径分布也有很大的差异。分别以两种方法制备的石墨烯为载体制备了pd催化剂pd/gn-1和pd/gn-2。pd/gn-1和pd/gn-2催化剂的电化学比表面积分别为34.66和71.25m2/g。这两种催化剂对甲酸的电催化氧化活性都较纳米石墨作载体制备的催化剂pd/g有显著的提高，甲酸在pd/gn-1和pd/gn-2催化剂上的氧化峰电流密度分别为66.0和95.8ma/cm2。两种催化剂对甲酸的氧化都有很好的稳定性。
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