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公开(公告)号：US20220290313A1
公开(公告)日：2022-09-15
申请号：US17367754
申请日：2021-07-06
发明人： Wonyong CHOI , Tae Hwa JEON
IPC分类号： C25B1/55 , C25B1/30 , C25B11/087 , C25B11/067 , C25B9/23 , C25B13/00 , C25B9/50 , C25B11/065
摘要： Proposed are a photoelectrochemical cell for producing hydrogen peroxide, a method of fabricating the same, and a method of producing hydrogen peroxide using the photoelectrochemical cell. The photoelectrochemical cell includes a photoanode including a photocatalyst, a cathode, and a solid polymer electrolyte layer disposed between the photoanode and the cathode and including a solid polymer electrolyte. The photoelectrochemical cell is for use in the production of hydrogen peroxide, and can produce hydrogen peroxide with electric energy generated from solar energy without requiring the supply of external electric energy.
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公开(公告)号：US20220258139A1
公开(公告)日：2022-08-18
申请号：US17228874
申请日：2021-04-13
发明人： Wonyong CHOI , Shinbi LEE
IPC分类号： B01J23/89 , C01B32/198 , C01B32/192 , B01J21/06 , B01J37/34 , B01J37/06 , B01J37/04 , B01J37/03 , B01J21/18 , C01B21/04 , B01J35/00 , B01J35/02 , C02F1/32 , C02F1/72
摘要： Proposed are a photocatalyst, including titanium dioxide particles including titanium dioxide (TiO2), a carbon material located on all or part of the surface of the titanium dioxide particles and including at least one selected from the group consisting of graphene, reduced graphene oxide (rGO), and carbon nanotubes (CNTs), and bimetallic nanoparticles supported on the carbon material and including first metal nanoparticles and second metal nanoparticles, and a water treatment method using the same. In the photocatalyst and the water treatment method using the same, the photocatalyst including bimetallic nanoparticles and graphene oxide is prepared, thereby exhibiting high reduction efficiency and high selectivity to nitrogen gas even without the use of an external electron donor.
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