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公开(公告)号：US20240352592A1
公开(公告)日：2024-10-24
申请号：US18305113
申请日：2023-04-21
摘要： A photoelectrochemical system may be utilized for processing of hydrogen sulfide to hydrogen. For example, a method for hydrogen production from hydrogen sulfide may include: providing a photocathode electrically connected by a wire to a photocatalyst, where both the photocathode and the photocatalyst are at least partially immersed in an electrolyte solution that includes an aqueous fluid having hydrogen sulfide at least partially dissolved therein; illuminating the photocathode with first light thereby causing the photocathode to generate a first plurality of electron-electron hole pairs, wherein the photocathode includes a silicon-based heterojunction; illuminating a photocatalyst with second light thereby causing the photocathode to generate a second plurality of electron-electron hole pairs, wherein the photocatalyst includes a semiconductor; and photochemically converting the hydrogen sulfide to hydrogen gas and sulfur.
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公开(公告)号：US20240352597A1
公开(公告)日：2024-10-24
申请号：US18305221
申请日：2023-04-21
IPC分类号： C25B9/50 , C02F1/30 , C02F1/461 , C02F1/467 , C25B1/04 , C25B1/55 , C25B9/19 , C25B11/081 , C25B11/087 , H01L31/18
CPC分类号： C25B9/50 , C02F1/30 , C02F1/46109 , C02F1/4672 , C25B1/04 , C25B1/55 , C25B9/19 , C25B11/081 , C25B11/087 , H01L31/1804 , C02F2001/46142 , C02F2103/365 , C02F2201/46115 , C02F2305/10 , H01L31/109
摘要： A photoelectrochemical system may be utilized for processing of wastewater to hydrogen. For example, a method for hydrogen production from wastewater may include: providing a photocathode electrically connected by a wire to a photocatalyst, where both the photocathode and the photocatalyst are at least partially immersed in an electrolyte solution that comprises an aqueous fluid having wastewater at least partially dissolved therein; illuminating the photocathode with first light thereby causing the photocathode to generate a first plurality of electron-electron hole pairs, wherein the photocathode comprises a silicon-based heterojunction; illuminating a photocatalyst with second light thereby causing the photocathode to generate a second plurality of electron-electron hole pairs, wherein the photocatalyst comprises a semiconductor; and photochemically converting the wastewater to hydrogen gas and oxygen.
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公开(公告)号：US20240218778A1
公开(公告)日：2024-07-04
申请号：US18150035
申请日：2023-01-04
IPC分类号： E21B44/00 , E21B43/117 , E21B43/26 , E21B47/12 , E21B47/26
CPC分类号： E21B44/00 , E21B43/117 , E21B43/26 , E21B47/12 , E21B47/26
摘要： In some examples, a system can include a computer-readable medium storing computer-executable instructions and one or more processors communicatively coupled to a computer-readable medium storing computer-executable instructions, which, when executed by the one or more processors cause the one or processors to receive data of a fracking stage, determine a penetration gradient of the fracking stage based on the data, and classify the fracking stage based on the penetration gradient.
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