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The prospects for hydrogen as an energy carrier: an overview of hydrogen energy and hydrogen energy systems

期刊

ENERGY ECOLOGY AND ENVIRONMENT
卷 1, 期 1, 页码 10-29

出版社

SPRINGERNATURE
DOI: 10.1007/s40974-016-0005-z

关键词

Hydrogen energy; Production; Storage; Economics; Environment

资金

  1. Natural Sciences and Engineering Research Council of Canada

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Hydrogen is expected to play a key role as an energy carrier in future energy systems of the world. As fossil-fuel supplies become scarcer and environmental concerns increase, hydrogen is likely to become an increasingly important chemical energy carrier and eventually may become the principal chemical energy carrier. When most of the world's energy sources become non-fossil based, hydrogen and electricity are expected to be the two dominant energy carriers for the provision of end-use services. In such a hydrogen economy, the two complementary energy carriers, hydrogen and electricity, are used to satisfy most of the requirements of energy consumers. A transition era will bridge the gap between today's fossil-fuel economy and a hydrogen economy, in which non-fossil-derived hydrogen will be used to extend the lifetime of the world's fossil fuels-by upgrading heavy oils, for instance-and the infrastructure needed to support a hydrogen economy is gradually developed. In this paper, the role of hydrogen as an energy carrier and hydrogen energy systems' technologies and their economics are described. Also, the social and political implications of hydrogen energy are examined, and the questions of when and where hydrogen is likely to become important are addressed. Examples are provided to illustrate key points.

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