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首页> 外文会议>JAERI-Review 2004-026; HTTR Workshop (Workshop on Hydrogen Production Technology); 20040705-06; Oarai(JP) >Hydrogen Production Using High-temperature Electrolysis
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Hydrogen Production Using High-temperature Electrolysis

机译：高温电解制氢

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摘要

An experimental research program is being conducted by the ENEEL and Ceramatec, Inc., Salt Lake City, Utah, to test the high-temperature, electrolytic production of hydrogen from steam using a solid oxide cell. The research team is designing and testing solid oxide cells for operation in the electrolysis mode, producing hydrogen using high-temperature heat and electrical energy. The high-temperature heat and the electrical power would be supplied simultaneously by a high-temperature nuclear reactor. Operation at high temperature reduces the electrical energy requirement for electrolysis, besides increasing the thermal efficiency of the power-generating cycle. The high-temperature electrolysis process will utilize heat from a specialized secondary loop carrying a steam/hydrogen mixture. It is expected that, through the combination of a high-temperature reactor and high temperature electrolysis, the process will achieve an overall thermal conversion efficiency of 40 to 50% while avoiding the challenging chemistry and corrosion issues associated with the thermochemical processes. Planar solid oxide cell technology is being utilized because it has the best potential for high efficiency due to minimized voltage and current losses. These losses also decrease with increasing temperature.
机译：ENEEL和位于犹他州盐湖城的Ceramatec，Inc.正在进行一项实验研究计划，以测试使用固态氧化物电池从蒸汽中高温电解产氢的方法。该研究小组正在设计和测试可在电解模式下运行的固体氧化物电池，并利用高温热和电能产生氢气。高温核反应堆将同时提供高温热量和电力。在高温下运行，除了提高发电周期的热效率外，还减少了电解所需的电能。高温电解过程将利用载有蒸汽/氢气混合物的专用次级回路产生的热量。期望通过高温反应器和高温电解的组合，该方法将实现40％至50％的总热转化效率，同时避免了与热化学过程相关的具有挑战性的化学和腐蚀问题。由于使用平面固体氧化物电池技术，因为它具有最小的电压和电流损耗，因此具有实现高效率的最佳潜力。这些损耗也随着温度的升高而降低。

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