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- W981911786 startingPage "1483" @default.
- W981911786 abstract "用化学还原法制备了M/C（M=Pt,Pd,Ni,Ag,Au）5种纳米金属碳截催化剂,用XRD、XPS分别表征活性物的晶相结构、表面组成和价态形式,用TEM观察催化剂微观形貌,用循环伏安法测定不同催化剂对甲醇氧化的电催化活性。结果表明,催化剂中的纳米金属粒径在3～11nm之间,纯度较高,在载体表面的分布较为均匀;Pd/C催化剂对甲醇氧化有较好的催化作用,Ni/C对甲醇氧化有一定的活性,而Ag/C和Au/C几乎没有活性。在1mol·L-1CH3OH＋1mol·L-1NaOH条件下,Pd/C对甲醇氧化最高峰电流密度为890mA·mg-1,约为Pt/C的66%,Ni/C对甲醇氧化最高峰电流密度为6.3mA·mg-1,仅为Pt/C的0.46%。" @default.
- W981911786 created "2016-06-24" @default.
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- W981911786 date "2011-01-01" @default.
- W981911786 modified "2023-09-24" @default.
- W981911786 title "碱性条件下M/C（M=Pt,Pd,Ni,Ag,Au）对甲醇氧化电催化活性的对比研究" @default.
- W981911786 hasPublicationYear "2011" @default.
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