化学
尿素
氨
催化作用
甲酸
电化学
无机化学
扩散
气体扩散电极
电极
亚硝酸盐
氨生产
离子
有机化学
硝酸盐
物理化学
物理
热力学
作者
Masami Shibata,Kohji Yoshida,Nagakazu Furuya
标识
DOI:10.1016/s0022-0728(97)00504-4
摘要
Simultaneous reduction of CO2 and nitrite ions was examined by using the gas-diffusion electrodes with Cu, Ag and Au catalysts. The formation of urea, CO, formic acid and ammonia was found in the simultaneous reduction. The maximum current efficiencies of urea formation at Cu, Ag and Au catalysts are 37%, 38% and 26% in the range of −0.75 to −3.0 V (SHE), respectively. Urea is supposed to be formed from both an ammonia precursor and CO precursor on the catalysts.
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