钢渣催化剂提升直接碳燃料电池性能研究

发布时间：2018-04-10 05:08

  本文选题：固体氧化物直接碳燃料电池　切入点：钢渣催化剂　出处：《山西大学学报(自然科学版)》2017年04期

【摘要】：固体碳的CO_2气化反应(C+CO_2=2CO),即逆Boudouard反应,是制约固体氧化物直接碳燃料电池(solid oxide direct carbon fuel cell,SO-DCFC)性能的关键反应之一。文章在比较煤焦和担载酸活化钢渣的煤焦的逆Boudouard反应性的基础上,研究比较了以二者为燃料的SO-DCFC的电化学性能。结果表明,酸活化钢渣催化剂使煤焦的逆Boudouard反应的起始温度降低了240℃,在800℃时的CO生成速率提高了4倍;在电化学性能上,酸活化钢渣催化剂使电池在850℃时的峰值功率密度从67.4mW·cm~(-2)提升到200.4mW·cm~(-2),燃料利用率从41.5%提高至79.6%。
[Abstract]:The CO_2 gasification reaction of solid carbon is one of the key reactions that restrict the solid oxide direct carbon fuel cell SO-DCFCs of solid oxide direct carbon fuel.On the basis of comparing the inverse Boudouard reactivity of char with acid-supported activated steel slag, the electrochemical properties of SO-DCFC based on them were studied and compared.The results show that the starting temperature of the inverse Boudouard reaction of char is reduced by 240 鈩，

本文编号：1729781