Solar hydrogen production by using ferrites

被引：80
|
作者：
Tamaura, Y [1 ]
Ueda, Y [1 ]
Matsunami, J [1 ]
Hasegawa, N [1 ]
Nezuka, M [1 ]
Sano, T [1 ]
Tsuji, M [1 ]
机构：
[1] Tokyo Inst Technol, Res Ctr Carbon Recycling & Utilizat, Meguro Ku, Tokyo 1528552, Japan
来源：
SOLAR ENERGY | 1999年 / 65卷 / 01期
关键词：
D O I：
10.1016/S0038-092X(98)00087-5
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Hydrogen production by water splitting with Mn(II) ferrite and CaO (or Na2CO3) at 1273 K (or 873 K) was studied. The mixed powder of MnFe2O4 and CaO (CaO/MnFe2O4 > 3) (or Na2CO3) generates H-2 by reaction with H2O at 1273 K (or 873 K). This H-2 evolution is caused by the oxidation of Mn(II) ion in the ferrite to the Mn(III) ion. The temperature of 873 K is considerably lower for the solar furnace reaction (O-2 releasing step) in the two-step water splitting (1500-2300 K) process. This lower temperature and economical availability of required elements would permit further progress in the direct solar energy absorption/conversion into H-2. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码：55 / 57
页数：3
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