期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 41, 期 12, 页码 5549-5558出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.02.036
关键词
Geological storage; Energy storage; Hydrogen; Wind power; Natural gas
Hydrogen storage in a depleted gas reservoir or in an aquifer offers the potential for the seasonal storage of inherently variable renewable energy, by the electrolysis of water during periods of excess energy production. Here we investigate whether such storage is technically feasible. We compared the respective capacities and deliverabilities of hydrogen to established natural gas in a seasonal storage facility, on the basis of an estimated total volumetric capacity of 48 MMm(3), delivery pressures between 5 and 10 MPa and emptying period of 120 days for the Rough Gas Storage Facility (UK). For the modelled scenario, an average power in the order of 4-5 GW would be required during a six month injection cycle to fill the reservoir to capacity. The equivalent hydrogen facility could store and supply 42% of the energy capacity supplied by its natural gas counterpart, and for an emptying period of 120 days could deliver power at an average rate of approximately 100 GWh/day, or ca. 40% of the energy deliverability of natural gas. There appears to be no insurmountable technical barrier to the storage of hydrogen in a depleted gas reservoir. Hydrogen losses from dissolution and diffusion could be reduced to less than 0.1%. Losses from biological conversion of residual CO2 were limited even with calcium carbonate dissolution. However, the biological reduction of sulphur minerals to hydrogen sulphide remained a potential problem. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据