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公开(公告)号：US11117818B2
公开(公告)日：2021-09-14
申请号：US16520340
申请日：2019-07-23
申请人： PowerTech Water Inc.
发明人： Lindsay Boehme , Cameron Lippert , James Landon
IPC分类号： C02F1/469 , C02F101/20 , C02F101/12 , C02F103/00 , C02F103/32 , C02F103/08 , C02F103/02 , C02F101/36
摘要： Applicant's faradic porosity cell combines adsorption (physical and capacitive) and faradic immobilization of a target species by optimizing electrode porosity, applied E, and Pourbaix operating regions. The optimization parameters are (i) physical adsorption; (ii) capacitive adsorption; (iii) electrochemical pH modulation; (iv) electrochemical peroxide (H2O2) generation; (v) electrodeposition (e.g., electroplating, electrophoretic deposition); (vi) electrochemical oxidation or reduction; (vii) precipitation; (viii) pore mouth diameter profile, and (ix) electrode spacing, and (xi) flow-by vs. flow-through vs. carbon block cell design.
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公开(公告)号：US20200024158A1
公开(公告)日：2020-01-23
申请号：US16520340
申请日：2019-07-23
申请人： PowerTech Water Inc.
发明人： Lindsay Boehme , Cameron Lippert , James Landon
IPC分类号： C02F1/469
摘要： Applicant's faradic porosity cell combines adsorption (physical and capacitive) and faradic immobilization of a target species by optimizing electrode porosity, applied E, and Pourbaix operating regions. The optimization parameters are (i) physical adsorption; (ii) capacitive adsorption; (iii) electrochemical pH modulation; (iv) electrochemical peroxide (H2O2) generation; (v) electrodeposition (e.g., electroplating, electrophoretic deposition); (vi) electrochemical oxidation or reduction; (vii) precipitation; (viii) pore mouth diameter profile, and (ix) electrode spacing, and (xi) flow-by vs. flow-through vs. carbon block cell design.
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公开(公告)号：US20240132380A1
公开(公告)日：2024-04-25
申请号：US18078304
申请日：2022-12-09
发明人： James Landon , Alan Rassoolkhani
IPC分类号： C02F1/461 , C02F101/20
CPC分类号： C02F1/46109 , C02F2001/46142 , C02F2101/20 , C02F2201/46115
摘要： An electrochemical device including at least one of a carbonaceous cathode, and at least one of a metal-containing anode. A separation distance between the carbonaceous cathode and the metal-containing anode is about 1 to about 5000 micrometers.
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公开(公告)号：US20230183103A1
公开(公告)日：2023-06-15
申请号：US18078373
申请日：2022-12-09
发明人： Alan Rassoolkhani , James Landon , Bradley Nightengale , Elliott Rushing , Cassie Roberts , Cameron Lippert
CPC分类号： C02F1/46109 , C09K13/04 , C02F2001/46133 , C02F2001/46119 , C02F2101/20
摘要： A method for removing a metal from a carbonaceous electrode includes providing a regeneration solution that includes an acid, an oxidizing agent, or a combination thereof. The method further includes applying the regeneration solution to the carbonaceous electrode, and oxidizing the metal on the surface of the carbonaceous electrode. The method also includes collecting the oxidized metal in the regeneration solution.
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公开(公告)号：US20230009842A1
公开(公告)日：2023-01-12
申请号：US17369346
申请日：2021-07-07
申请人： PowerTech Water Inc.
摘要： The present invention is directed to an electrochemical device for at least partially removing or reducing a target ionic species from an aqueous solution using faradaic immobilization, the electrochemical device including at least one first electrode and at least one second electrode with different void fraction and surface area properties, due to differences in void fraction (also referred to as void ratio) of the at least one first and the at least one second electrode, water flows through an electrode with a high porosity, while the aqueous solution does not flow through an electrode with a low porosity. The asymmetry of the electrodes provides a desired voltage distribution across the device, which equates to a different voltage at each electrode, to control the speciation of the target ionic species at the anode and the cathode.
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