Thermodynamic analysis of mixed-metal ferrites for hydrogen production by two-step water splitting

被引：0

作者：

Allendorf, Mark D. ^{[1
]}

Diver, Richard B., Jr. ^{[1
]}

Miller, James E. ^{[1
]}

Siegel, Nathan P. ^{[1
]}

机构：

[1] Sandia Natl Labs, Microfluid Dept, Livermore, CA 94550 USA

来源：

Proceedings of the ASME International Solar Energy Conference | 2007年

关键词：

thermodynamic analysis; spinel; ferrite; redox cycle; hydrogen;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A thermodynamic analysis of the two-step water splitting process for the production of hydrogen is reported in this paper. Calculations simulating the preparation of ferrite samples, their thermal reduction to form a mixture of metal oxides, and subsequent reoxidation with steam to produce hydrogen were performed. Mixed-metal spinel ferrites of the general form MFe2O4, where M = Co, Ni, or Zn, are compared with iron spinel, Fe3O4. The results indicate that of the four ferrites examined, nickel spinel has the most favorable combination of properties for use in two-step water splitting.

引用

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页码：285 / 290

页数：6

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