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公开(公告)号：US10227700B2
公开(公告)日：2019-03-12
申请号：US14926529
申请日：2015-10-29
发明人： Hisao Oomura , Kazuya Yamada , Shinichi Makino , Hisao Watanabe , Seiji Fujiwara , Shigeo Kasai
摘要： A hydrogen production system includes: a steam generator heating supplied raw water and generating steam; an electrolytic cell receiving the steam and generating hydrogen and oxygen through a high temperature electrolysis; a cooling unit cooling an unreacted part of the steam in the high temperature electrolysis and changing the unreacted part of the steam into steam condensate; a gas/liquid separator performing gas/liquid separation on the generated hydrogen and the generated steam condensate; a hydrogen compression unit compressing the separated hydrogen and transmitting thermal energy generated when the hydrogen is compressed, to the raw water; and a hydrogen storage unit storing the compressed hydrogen.
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公开(公告)号：US20160122882A1
公开(公告)日：2016-05-05
申请号：US14926529
申请日：2015-10-29
发明人： Hisao OOMURA , Kazuya Yamada , Shinichi Makino , Hisao Watanabe , Seiji Fujiwara , Shigeo Kasai
IPC分类号： C25B1/04
CPC分类号： C25B1/04 , C25B1/10 , C25B15/08 , Y02E60/364 , Y02E60/366 , Y02P20/129 , Y02P20/133
摘要： A hydrogen production system includes: a steam generator heating supplied raw water and generating steam; an electrolytic cell receiving the steam and generating hydrogen and oxygen through a high temperature electrolysis; a cooling unit cooling an unreacted part of the steam in the high temperature electrolysis and changing the unreacted part of the steam into steam condensate; a gas/liquid separator performing gas/liquid separation on the generated hydrogen and the generated steam condensate; a hydrogen compression unit compressing the separated hydrogen and transmitting thermal energy generated when the hydrogen is compressed, to the raw water; and a hydrogen storage unit storing the compressed hydrogen.
摘要翻译： 氢气生产系统包括：蒸汽发生器加热供应原水并产生蒸汽; 接收蒸汽并通过高温电解产生氢和氧的电解槽; 冷却单元冷却高温电解中的未反应部分的蒸汽并将蒸汽的未反应部分变成蒸汽冷凝物; 在产生的氢气和产生的蒸汽冷凝物上进行气/液分离的气/液分离器; 氢压缩单元压缩分离的氢气并将氢气被压缩时产生的热能传递到原水; 以及存储压缩氢的氢存储单元。
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公开(公告)号：US10081872B2
公开(公告)日：2018-09-25
申请号：US14816455
申请日：2015-08-03
发明人： Masafumi Komai , Masahiko Yamada , Tsuneji Kameda , Yuko Kawajiri , Seiji Fujiwara , Hisao Watanabe , Hiroyuki Yamauchi , Yasuo Takagi
CPC分类号： C25B15/02 , C25B1/02 , C25B1/04 , Y02E60/366 , Y02E70/10 , Y02P20/133
摘要： A hydrogen production system that achieves a highly-efficient hydrogen production operation even when a time-varying electric power source is used is provided. A hydrogen production system includes a capacitor inputting electric power energy from a renewable power supply, and storing electric power, a pulse voltage generation unit generating a pulse voltage having a set amplitude and a set cyclic period by using the electric power stored in the capacitor, and an electrolytic cell applying the generated pulse voltage, and generating hydrogen by high temperature steam electrolysis by using steam supplied into the electrolytic cell.
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公开(公告)号：US09957626B2
公开(公告)日：2018-05-01
申请号：US14837411
申请日：2015-08-27
发明人： Yuko Kawajiri , Hisao Watanabe , Ryoji Yoshimura , Seiji Fujiwara , Hiroyuki Yamauchi , Masafumi Komai , Masahiko Yamada , Tsuneji Kameda , Masato Yoshino , Takatoshi Asada , Shigeo Kasai
摘要： A hydrogen production system that achieves highly-efficient hydrogen production even when hydrogen is produced by using the plurality of cell stacks is provided.A hydrogen production system includes a plurality of cell stacks provided within a reaction containment, the cell stacks generating hydrogen by high temperature steam electrolysis by supplying steam to the plurality of cell stacks, a first flow path guiding the steam to each of the cell stacks, a second flow path causing a carrier gas containing air as a main component to flow into the reaction containment, and a flow regulation device provided at an inlet of the steam in each of the cell stacks, the flow regulation device regulating a flow rate of the steam caused to flow into each of the cell stacks to be uniform.
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