A monolithic photovoltaic-photoelectrochemical device for hydrogen production via water splitting

被引:1869
作者
Khaselev, O [1 ]
Turner, JA [1 ]
机构
[1] Natl Renewable Energy Lab, Golden, CO 80401 USA
关键词
D O I
10.1126/science.280.5362.425
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Direct water electrolysis was achieved with a novel, integrated, monolithic photoelectrochemical-photovoltaic design. This photoelectrochemical cell, which is voltage biased with an integrated photovoltaic device, splits water directly upon illumination; light is the only energy input. The hydrogen production efficiency of this system, based on the short-circuit current and the lower heating value of hydrogen, is 12.4 percent.
引用
收藏
页码:425 / 427
页数:3
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