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公开(公告)号：US20180214858A1
公开(公告)日：2018-08-02
申请号：US15745085
申请日：2016-07-29
申请人： TOTO LTD. , THE UNIVERSITY OF TOKYO , Japan Technological Research Association of Artificial Photosynthesis Chemical Process
发明人： Hiromasa TOKUDOME , Sayuri OKUNAKA , Kazunari DOMEN , Takashi HISATOMI , Qian WANG , Qingxin JIA
IPC分类号： B01J35/00 , B01J35/02 , B01J23/58 , B01J23/63 , B01J23/62 , B01J23/648 , B01J23/86 , C01B3/04
摘要： A photocatalytic member comprises a base and a photocatalytic layer fixed on the base. The photocatalytic layer comprises first photocatalyst particles being visible light responsive photocatalyst particles for hydrogen generation, second photocatalyst particles being visible light responsive photocatalyst particles for oxygen generation, and conductive particles which are provided between the first photocatalyst particle and the second photocatalyst particle, have Fermi level at a negative position relative to an electronic energy level at the upper end of the valence band of the first photocatalyst particle and at a positive position relative to an electronic energy level at the bottom end of the conduction band of the second photocatalyst particle, and are able to store an electron and a hole. In the photocatalytic layer, the conductive particles are located to be coupled to both the first photocatalyst particles and the second photocatalyst particles.
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公开(公告)号：US10173199B2
公开(公告)日：2019-01-08
申请号：US15522148
申请日：2015-09-30
申请人： TOTO LTD. , Japan Technological Research Association of Artificial Photosynthesis Chemical Process
发明人： Hiromasa Tokudome , Sayuri Okunaka
IPC分类号： B01J21/06 , B01D53/88 , B01J35/00 , B01J37/02 , C02F1/48 , C02F1/72 , B01J37/03 , B01J37/04 , B01J37/08 , B01J23/00 , B01J23/10 , B01J27/24 , B01J37/00 , C01B3/04
摘要： Disclosed are metal nitride photocatalyst particles and/or metal oxynitride photocatalyst particles having high dispersibility. The metal nitride photocatalyst particles and/or metal oxynitride photocatalyst particles having high dispersibility can be obtained by containing metal nitride photocatalyst particles and/or metal oxynitride photocatalyst particles, which are capable of splitting water under visible light irradiation, and a phosphoric acid polymer that is adsorbed on the surface of the particles. Further, because these particles have high photocatalytic activity under visible light irradiation, splitting water by using these particles can generate hydrogen and/or oxygen with high efficiency.
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公开(公告)号：US20170326531A1
公开(公告)日：2017-11-16
申请号：US15522148
申请日：2015-09-30
申请人： TOTO LTD. , Japan Technological Research Association of Artificial Photosynthesis Chemical Process
发明人： Hiromasa TOKUDOME , Sayuri OKUNAKA
CPC分类号： B01J21/063 , B01D53/885 , B01J21/066 , B01J23/002 , B01J23/10 , B01J27/24 , B01J35/0033 , B01J35/004 , B01J37/0036 , B01J37/0203 , B01J37/0219 , B01J37/0221 , B01J37/0244 , B01J37/031 , B01J37/04 , B01J37/082 , B01J37/088 , C01B3/04 , C02F1/48 , C02F1/725 , Y02E60/364
摘要： Disclosed are metal nitride photoctalyst particles and/or metal oxynitride photocatalyst particles having high dispersibility. The metal nitride photoctalyst particles and/or metal oxynitride photocatalyst particles having high dispersibility can be obtained by containing metal nitride photoctalyst particles and/or metal oxynitride photocatalyst particles, which are capable of splitting water under visible light irradiation, and a phosphoric acid polymer that is adsorbed on the surface of the particles. Further, because these particles have high photocatalytic activity under visible light irradiation, splitting water by using these particles can generate hydrogen and/or oxygen with high efficiency.
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公开(公告)号：US10744495B2
公开(公告)日：2020-08-18
申请号：US15745085
申请日：2016-07-29
申请人： TOTO LTD. , THE UNIVERSITY OF TOKYO , Japan Technological Research Association of Artificial Photosynthesis Chemical Process
发明人： Hiromasa Tokudome , Sayuri Okunaka , Kazunari Domen , Takashi Hisatomi , Qian Wang , Qingxin Jia
IPC分类号： B01J35/00 , B01J23/58 , B01J23/63 , B01J23/847 , B01J23/31 , B01J23/78 , B01J23/887 , B01J37/03 , B01J35/02 , B01J23/652 , B01J23/89 , B01J27/24 , C01B13/02 , B01J23/62 , B01J23/648 , B01J23/86 , C01B3/04
摘要： A photocatalytic member comprises a base and a photocatalytic layer fixed on the base. The photocatalytic layer comprises first photocatalyst particles being visible light responsive photocatalyst particles for hydrogen generation, second photocatalyst particles being visible light responsive photocatalyst particles for oxygen generation, and conductive particles which are provided between the first photocatalyst particle and the second photocatalyst particle, have Fermi level at a negative position relative to an electronic energy level at the upper end of the valence band of the first photocatalyst particle and at a positive position relative to an electronic energy level at the bottom end of the conduction band of the second photocatalyst particle, and are able to store an electron and a hole. In the photocatalytic layer, the conductive particles are located to be coupled to both the first photocatalyst particles and the second photocatalyst particles.
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