Application of photo-electrochemical hydrogen production for autonomous solar based electricity supply

2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies Pub Date : 2008-04-06 DOI:10.1109/DRPT.2008.4523826

J. Wingens, G. Krost, D. Ostermann, U. Damm, J. Hess

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引用次数: 6

Abstract

Utilization of photovoltaic (PV) generated electricity in power systems detached from the public grid usually requires both short term storage for the compensation of day/night cycles as well as long term storage for smoothing the seasonal energy harvest distinctions. Prototype systems relying on an accumulator for short term and a hydrogen path - consisting of electrolyzer, hydrogen tank and hydrogen gas engine based generator (or alternatively a fuel cell) - as long term storage have proven well in various prototype plants. A disadvantage is the electricity based generation of hydrogen for the long term storage path; rather, direct solar hydrogen production using innovative photo-electrochemical (PEC) cells - which are newly available - eases and simplifies both plant design and operation. In the following these photo-electrochemical cells are briefly characterized and their potential exemplary application for the autonomous electricity supply of an industrial plant in several configuration variants is investigated.

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光电化学制氢在自主太阳能供电中的应用

在脱离公共电网的电力系统中，光伏发电的利用通常既需要短期存储以补偿昼夜周期，也需要长期存储以平滑季节性能源收获差异。原型系统短期依赖于蓄电池和氢路径——由电解槽、氢罐和基于氢气发动机的发电机(或燃料电池)组成——作为长期存储，在各种原型工厂中都得到了很好的证明。缺点是基于电力的氢的长期储存路径;相反，使用创新的光电化学(PEC)电池的直接太阳能制氢——这是新出现的——简化和简化了工厂的设计和操作。在下面，这些光电化学电池简要地描述了它们的特性，并研究了它们在几种配置变体中用于工业工厂自主供电的潜在示例应用。

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来源期刊

2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies

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