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1.发明公开
公开(公告)号：EP4350048A3
公开(公告)日：2024-09-04
申请号：EP23196255.6
申请日：2023-09-08
IPC分类号： C25B1/04 , C25B11/052 , C25B11/056 , C25B11/063 , C25B11/031 , C25B15/08 , C25B9/23 , C25B9/73
CPC分类号： C25B1/04 , C25B11/052 , C25B11/056 , C25B11/063 , C25B15/08 , Y02E60/50 , C25B9/23 , C25B11/031 , C25B9/73
摘要： A support according to an embodiment includes fibers. A first arithmetic mean roughness of the fibers observed from in-plane direction of the support is 7 [um] or more and 40 [µm] or less. A first sampling length of the first arithmetic mean roughness is one fifth of an average diameter of the fibers observed from the in-plane direction of the support.
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2.发明公开
公开(公告)号：EP4343026A3
公开(公告)日：2024-08-21
申请号：EP23160017.2
申请日：2023-03-03
发明人： YOSHINAGA, Norihiro , ONO, Akihiko , SUGANO, Yoshitsune , NAKANO, Yoshihiko , HIRAZAWA, Hiroaki
摘要： A membrane electrode assembly according to an embodiment includes a first electrode, a second electrode, an electrolyte membrane provided between the first electrode and the second electrode and a first seal provided on a peripheral portion of the first electrode, having a first opening, housing the first electrode in the first opening, and being contact with the electrolyte membrane or the first seal and a second seal provided on a peripheral portion of the second electrode, having a second opening, housing the second electrode in the second opening, and being contact with the electrolyte membrane.
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3.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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4.发明公开
公开(公告)号：EP4350044A3
公开(公告)日：2024-11-06
申请号：EP23195656.6
申请日：2023-09-06
IPC分类号： C25B1/042 , C25B11/031 , C25B11/053 , C25B11/081 , C25B15/08 , H01M4/86
摘要： An electrode for electrochemical reaction device of an arrangement includes: a substrate; and a catalyst lamination provided on the substrate, and having a plurality of catalyst layers, and void layers respectively arranged between the plurality of catalyst layers adjacent to each other. The plurality of catalyst layers include a first catalyst layer arranged at a position close to the substrate and having a first thickness, and a second catalyst layer arranged at a position separated from the substrate and having a second thickness that is smaller than the first thickness.
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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：EP4350043A3
公开(公告)日：2024-08-14
申请号：EP23195654.1
申请日：2023-09-06
IPC分类号： C25B1/04 , C25B11/053 , C25B15/029 , C25B15/08 , C25B9/23 , C25B15/02 , C25B9/73
CPC分类号： C25B1/04 , C25B11/053 , C25B15/029 , C25B15/08 , C25B15/085 , Y02E60/36 , C25B15/02 , C25B9/23
摘要： A water electrolysis device includes: an anode; a cathode; an electrolyte membrane between the anode and the cathode; a first circulation flow path connecting a anode supply flow path and a anode discharge flow path; a second circulation flow path connected in parallel with the first circulation flow path; an ion filter in a middle of the second circulation flow path and to remove metal ions in the anode solution; a metal supply source to supply metal ions into the anode solution; a first valve in a middle of the first circulation flow path; a second valve in a middle of the second circulation flow path; a third valve in a middle of the metal supply flow path; a sensor to measure concentration of metal ions in the anode solution; and a controller to control opening and closing of each valve, according to the measured concentration of the metal ions.
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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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10.发明公开
公开(公告)号：EP4350048A2
公开(公告)日：2024-04-10
申请号：EP23196255.6
申请日：2023-09-08
IPC分类号： C25B1/04 , C25B11/052 , C25B11/056 , C25B11/063 , C25B15/08
摘要： A support according to an embodiment includes fibers. A first arithmetic mean roughness of the fibers observed from in-plane direction of the support is 7 [um] or more and 40 [µm] or less. A first sampling length of the first arithmetic mean roughness is one fifth of an average diameter of the fibers observed from the in-plane direction of the support.
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