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1.发明公开
公开(公告)号：EP4343032A2
公开(公告)日：2024-03-27
申请号：EP23194914.0
申请日：2023-09-01
IPC分类号： C25B1/04 , C25B9/23 , C25B9/77 , C25B11/032 , C25B11/053 , C25B11/093
摘要： A laminated catalyst according to an embodiment includes an oxide layer, a first catalyst layer on the oxide layer and a second catalyst layer on the first catalyst layer. The oxide layer is a layer of oxide including one or more non-noble metals as a main component. The first catalyst layer includes an oxide of noble metal including Ir and/or Ru as a main component. The second catalyst layer includes an oxide of noble metal including Ir and/or Ru as a main component. The first catalyst layer is denser than the second catalyst layer.
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公开(公告)号：EP4350046A3
公开(公告)日：2024-10-30
申请号：EP23195663.2
申请日：2023-09-06
发明人： JUNG, Hyangmi , FUKAZAWA, Taishi , YOSHINAGA, Norihiro , ONO, Akihiko , SUGANO, Yoshitsune , YAMAGIWA, Masakazu , KUDO, Yuki
IPC分类号： C25B1/04 , C25B11/03 , C25B11/053 , C25B15/08
摘要： An electrode according to an embodiment includes a support and a catalyst layer including a sheet layer and a gap layer stacked alternately. Cracks or/and holes exist in the catalyst layer.
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公开(公告)号：EP4431641A1
公开(公告)日：2024-09-18
申请号：EP24153237.3
申请日：2024-01-22
发明人： YOSHINAGA, Norihiro , YAMAZAKI, Mutsuki , SHIINO, Keisuke , FUKAZAWA, Taishi , NAKANO, Yoshihiko , MIZUGUCHI, Koji , SUGANO, Yoshitsune , YOSHIKI, Masahiko , KONDO, Asato , OKI, Mitsuhiro
IPC分类号： C25B9/77 , C25B11/032 , C25B11/054 , C25B11/063 , C25B11/093 , C25B1/02 , C25B1/04 , C25B1/23 , C25B1/27 , C25B3/26
CPC分类号： C25B1/02 , C25B1/04 , C25B1/23 , C25B1/27 , C25B3/26 , C25B9/77 , C25B11/032 , C25B11/054 , C25B11/063 , C25B11/093
摘要： An electrode of an embodiment includes a porous titanium support and a catalyst layer for electrolysis provided on the porous titanium support and stacked sheet layers and gap layers alternately. A first covering layer including titanium oxide is provided on the porous titanium support on the catalyst layer side. A second covering layer including titanium oxide is provided on the porous titanium support on an opposite side of the catalyst layer. An average thickness of the first covering layer is denoted as D1. An average thickness of the second covering layer is denoted as D2. D1 and D2 satisfies 1 [nm] ≤ D2-D1 ≤ 20 [nm].
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公开(公告)号：EP4350047A2
公开(公告)日：2024-04-10
申请号：EP23195666.5
申请日：2023-09-06
发明人： YOSHINAGA, Norihiro , NAKANO, Yoshihiko , FUKAZAWA, Taishi , KANAI, Yuta , SUGANO, Yoshitsune , ONO, Akihiko
IPC分类号： C25B1/04 , C25B11/031 , C25B11/052 , C25B11/055 , C25B15/08
摘要： An electrode according to an embodiment includes a support, an intermediate layer including carbon particles and resin on the support, and a catalyst layer on the intermediate layer. A thickness of the intermediate layer is 70 [um] or more and 300 [µm] or less.
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公开(公告)号：EP4350046A2
公开(公告)日：2024-04-10
申请号：EP23195663.2
申请日：2023-09-06
发明人： JUNG, Hyangmi , FUKAZAWA, Taishi , YOSHINAGA, Norihiro , ONO, Akihiko , SUGANO, Yoshitsune , YAMAGIWA, Masakazu , KUDO, Yuki
IPC分类号： C25B1/04 , C25B11/03 , C25B11/053 , C25B15/08
摘要： An electrode according to an embodiment includes a support and a catalyst layer including a sheet layer and a gap layer stacked alternately. Cracks or/and holes exist in the catalyst layer.
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公开(公告)号：EP4350040A2
公开(公告)日：2024-04-10
申请号：EP23194921.5
申请日：2023-09-01
IPC分类号： C25B1/04 , C25B9/23 , C25B9/77 , C25B11/032 , C25B11/052 , C25B11/081
摘要： A membrane electrode assembly of an embodiment includes: a first electrode including a first diffusion layer, and a first catalyst layer; a second electrode for generating hydrogen, the second electrode including a second diffusion layer, a second catalyst layer including a porous catalyst layer including a porous precious metal or sheet-like precious metal, and a hydrophobic moisture management layer provided between the second catalyst layer and the second diffusion layer, the hydrophobic moisture management layer including carbon particles and carbon fibers, a weight of the carbon fibers being between lwt% and 20wt% of a weight of the second diffusion layer; and an electrolyte membrane provided between the first electrode and the second electrode, the first catalyst layer being provided between the first diffusion layer and the electrolyte membrane, and the second catalyst layer being provided between the second diffusion layer and the electrolyte membrane.
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公开(公告)号：EP4350045A3
公开(公告)日：2024-10-30
申请号：EP23195661.6
申请日：2023-09-06
发明人： YOSHINAGA, Norihiro , JUNG, Hyangmi , FUKAZAWA, Taishi , NAKANO, Yoshihiko , HIRAZAWA, Hiroaki , SUGANO, Yoshitsune , KUDO, Yuki , ONO, Akihiko
IPC分类号： C25B1/04 , C25B11/053 , C25B11/093 , C25B15/08
摘要： An electrode according to an embodiment includes a support, and a catalyst layer including a sheet layer and a gap layer stacked, alternately on the support. The catalyst layer includes noble oxide and non-noble oxide. 4 [wt%] or more and 8 [wt%] or less of metal elements included in the catalyst layer is non-noble metal. An average thickness of the gap layer is 6 [nm] or more and 50 [nm] or less .
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公开(公告)号：EP4350040A3
公开(公告)日：2024-09-11
申请号：EP23194921.5
申请日：2023-09-01
IPC分类号： C25B1/04 , C25B9/23 , C25B9/77 , C25B11/032 , C25B11/052 , C25B11/081 , C25B1/27 , C25B1/02
CPC分类号： C25B1/04 , C25B9/23 , C25B11/032 , C25B11/052 , C25B11/081 , C25B9/77 , C25B1/02 , Y02E60/50 , C25B1/27
摘要： A membrane electrode assembly of an embodiment includes: a first electrode including a first diffusion layer, and a first catalyst layer; a second electrode for generating hydrogen, the second electrode including a second diffusion layer, a second catalyst layer including a porous catalyst layer including a porous precious metal or sheet-like precious metal, and a hydrophobic moisture management layer provided between the second catalyst layer and the second diffusion layer, the hydrophobic moisture management layer including carbon particles and carbon fibers, a weight of the carbon fibers being between lwt% and 20wt% of a weight of the second diffusion layer; and an electrolyte membrane provided between the first electrode and the second electrode, the first catalyst layer being provided between the first diffusion layer and the electrolyte membrane, and the second catalyst layer being provided between the second diffusion layer and the electrolyte membrane.
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公开(公告)号：EP4350045A2
公开(公告)日：2024-04-10
申请号：EP23195661.6
申请日：2023-09-06
发明人： YOSHINAGA, Norihiro , JUNG, Hyangmi , FUKAZAWA, Taishi , NAKANO, Yoshihiko , HIRAZAWA, Hiroaki , SUGANO, Yoshitsune , KUDO, Yuki , ONO, Akihiko
IPC分类号： C25B1/04 , C25B11/053 , C25B11/093 , C25B15/08
摘要： An electrode according to an embodiment includes a support, and a catalyst layer including a sheet layer and a gap layer stacked, alternately on the support. The catalyst layer includes noble oxide and non-noble oxide. 4 [wt%] or more and 8 [wt%] or less of metal elements included in the catalyst layer is non-noble metal. An average thickness of the gap layer is 6 [nm] or more and 50 [nm] or less .
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10.发明公开
公开(公告)号：EP4350039A2
公开(公告)日：2024-04-10
申请号：EP23194828.2
申请日：2023-09-01
IPC分类号： C25B1/04 , C25B9/23 , C25B9/77 , C25B11/031 , C25B11/052 , C25B11/056 , C25B11/063 , C25B11/081
摘要： An electrode of an embodiment includes : a power feeder layer including an electric conductive material, the power feeder layer including a porous structure including porosity of 40% or more and 60% or less; and a catalyst layer provided on the power feeder layer, the catalyst layer including a porous catalyst layer including a porous precious metal or sheet-like precious metal.
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