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OALib Journal期刊
ISSN: 2333-9721
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光辐照驱动水-碳低温催化制氢实验研究
, PP. 1102-1107
Keywords: 聚光太阳能,水-碳催化气化,催化机理,能量转化效率,氢
Abstract:
？在氙灯模拟的太阳光聚光反应系统上,以k2co3作为催化剂进行了700~720℃条件下的水-碳低温催化制氢实验。结果表明,催化作用下的产氢速率是未添加催化剂时的10倍,催化剂添加量在10%~20%时反应产氢率没有本质的区别。具体分析了k2co3催化水-碳制氢反应的氧转移机理,并用该机理对反应产物中出现的氢、氧不平衡现象做出了解释。实验中,光能转换化为化学能的效率达到13.12%,优于光伏法制氢效率10.85%。最后对进一步提高能量转换效率提出了可参考的思路。
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