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1.发明公开公开(公告)号：US20240360583A1
公开(公告)日：2024-10-31
申请号：US18353215
申请日：2023-07-17
申请人： Wenzhong Chen
发明人： Wenzhong Chen
CPC分类号： C25D17/12 , C25D17/005
摘要： The invention discloses a novel cathode conductive roller device for sheet-type plating or sheet-type cleaning machine wherein a cathode conductive roller device is arranged between the soaking tanks (the cathode conductive roller doesn't generate circuit will suffice, no matter being soaked or not soaked in plating solution or electrolyte); an anode plate device is arranged in the soaking tank; a matched conductive plate tank device is arranged below the cathode conductive roller; compared with the prior art, the invention has following advantages: the whole structure is simple and exquisite, the selection, connection and whole working modes of parts are reasonable and complete, and the current is concentrated and uniformly distributed on semiconductor product or circuit board when the method is used for plating or electrolytic degreasing, achieving better product plating or electrolytic degreasing effect.
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公开(公告)号：US20240301579A1
公开(公告)日：2024-09-12
申请号：US18667227
申请日：2024-05-17
申请人： ALPHA-EN CORPORATION
IPC分类号： C25D3/42 , C03C3/21 , C03C4/18 , C03C10/00 , C25C1/02 , C25D7/06 , C25D17/00 , C25D17/02 , C25D17/10 , C25D17/12 , C25D21/02 , C25D21/18
CPC分类号： C25D3/42 , C03C3/21 , C03C4/18 , C03C10/00 , C25C1/02 , C25D7/0642 , C25D17/002 , C25D17/005 , C25D17/02 , C25D17/10 , C25D17/12 , C25D21/02 , C25D21/18
摘要： A decoupled plating system is provided for producing lithium. In a general embodiment, the present disclosure provides a feed tank configured to supply a lithium-rich aqueous electrolyte stream, a plating tank that is configured to receive an organic electrolyte and plate out lithium metal from that organic electrolyte, and one or more lithium replenishment cells configured to receive both electrolytes, keep them separated, and selectively move lithium ions from the aqueous electrolyte into the spent organic electrolyte stream. The present system and process can advantageously reduce operating costs and/or improve energy efficiency in production of lithium metal and associated products.
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公开(公告)号：US11926920B2
公开(公告)日：2024-03-12
申请号：US17057981
申请日：2019-04-29
发明人： Zhaowei Jia , Jian Wang , Hui Wang , Hongchao Yang
IPC分类号： C25D5/18 , C25D7/12 , C25D17/00 , C25D17/06 , C25D17/12 , C25D21/12 , H01L21/288 , H01L21/687 , H01L23/544
CPC分类号： C25D5/18 , C25D7/12 , C25D17/001 , C25D17/06 , C25D17/12 , C25D21/12 , H01L21/2885 , H01L21/68764 , H01L23/544 , H01L2223/54493
摘要： Embodiments of the present invention provide an electroplating apparatus for electroplating on a surface of a wafer, which comprising a plurality of electrodes, for forming electric fields on the surface of the wafer, an independent electric field is formed in a designated area, when a notch of the wafer is positioned within the designated area, a total amount of power received by the notch is reduced. Embodiments of the present invention also provide an electroplating method for electroplating on a surface of a wafer, the method controlling the plurality of electrodes to form electric fields on the surface of the wafer, an independent electric field is formed in a designated area, when a notch of the wafer is positioned within the designated area, a total amount of power received by the notch is reduced. The present invention is more accurate and reliable, the electroplating efficiency is also increased.
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公开(公告)号：US20230416936A1
公开(公告)日：2023-12-28
申请号：US17847301
申请日：2022-06-23
发明人： Chun Ho Lam
摘要： A metal recovery device for recovering metal in a waste printed circuit board by way of electrodeposition including: a cathode, an anode, and an electrolyte in electrical communication with the cathode and the anode, wherein the electrolyte includes a glycol-based compound and a metal chloride. A method of preparing an electrolyte for use in the same. A method of metal recovery for recovering metal from waste printed circuit board by making use the same.
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公开(公告)号：US11827993B1
公开(公告)日：2023-11-28
申请号：US17478687
申请日：2021-09-17
申请人： Gru Energy Lab Inc.
发明人： Xiahui Yao , Xiaohua Liu , Sa Zhou , Song Han
摘要： Provided are methods of forming active materials for electrochemical cells using low-temperature electrochemical deposition, e.g., less than 200° C. Specifically, these processes allow precise control of the morphology, composition, and size of deposited structures. For example, the deposited structure may be doped, alloyed, or surface treated during their deposition using a combination of different precursors. In particular, silicon structure may be pre-lithiated while these structures are being formed. The selection of working electrodes (surface size and properties), electrolyte composition, and other parameters result in different types of structures, e.g., precipitating from the electrolyte or deposited on the electrode. Low-temperature plating does not require a lot of energy and volatile and invisible precursors. Furthermore, this plating produces a more confined waste stream, suitable for post-reaction recycling. Finally, low-temperature electrochemical deposition can be readily scaled up such that plating bathes and electrode sizes can be chosen to fit the production requirements.
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公开(公告)号：US20230330724A1
公开(公告)日：2023-10-19
申请号：US18017114
申请日：2021-07-21
发明人： Yet-Ming Chiang , Leah Ellis , Sophie C. Coppieters 't Wallant , Sonia Zhang , Venkatasubramanian Viswanathan , Elsa A. Olivetti , Michael Joseph Wang
摘要： Disclosed herein are systems and methods for processing ash. For example, in certain embodiments, the method comprises dissolving at least a portion of ash in acid. In some embodiments, the acid is produced in a reactor. In some embodiments, dissolving at least a portion of ash in acid produces refined silica (SiO2) (e.g., amorphous silica, substantially pure silica, and/or a substantial amount of silica). According to certain embodiments, the ash can be further processed (e.g., using electro winning, pH-based precipitation, and/or electrorefining) to obtain other components instead of or in addition to refined silica.
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公开(公告)号：US11542628B2
公开(公告)日：2023-01-03
申请号：US17054066
申请日：2019-04-02
发明人： Dennis Monpetit
摘要： The present disclosure relates to an electrode for eloxing a component, in particular a component of a vehicle brake system, comprising an electrolyte inlet for feeding an electrolyte into the electrode, an inlet channel, which connects the electrolyte inlet to an electrolyte outlet opening formed in the region of an outer surface of the electrode, an electrolyte inlet opening formed in the region of the outer surface of the electrode at a distance from the electrolyte outlet opening, an electrolyte flow path, which runs between the electrolyte outlet opening and the electrolyte inlet opening along the outer surface of the electrode and is designed to bring a surface portion of the component, which surface portion is to be eloxed, into fluid contact with the electrolyte flowing through the electrolyte flow path, an outlet channel, and an electrolyte outlet.
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公开(公告)号：US20220349083A1
公开(公告)日：2022-11-03
申请号：US17571952
申请日：2022-01-10
发明人： Glenn Sklar , James Piascik , Joseph Mintzer
摘要： An electroplating system includes a tank functioning as an anode, wherein the tank is configured in a horizontal orientation having a length greater than its height, a component part disposed within the tank and functioning as a cathode, an electrical connection, coupled to the anode and cathode, for providing an electric current, and a supply line for delivering an electrolytic fluid to within the tank.
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公开(公告)号：US11453954B2
公开(公告)日：2022-09-27
申请号：US17064703
申请日：2020-10-07
摘要： Systems for masking and sealing a component for surface treatment. A system includes a pair of fixture plates disposed on opposite ends of the component from each other. One or more inner sleeves are inserted into the component to mask and seal at least a portion of the component. An outer sleeve extends between the fixture plates to seal outside of the component. A pair of fixture rods extend between the first and second fixture plates and couple the first and second fixture plates together. The system is configured to effect surface treatment of an exposed area of the component, at least a portion of the exposed area defined by and disposed adjacent to the one or more inner sleeves.
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公开(公告)号：US20220267922A1
公开(公告)日：2022-08-25
申请号：US17742990
申请日：2022-05-12
发明人： Yuki Furukawa , Masahiro Yamanaka , Tatsuya Sasaki
摘要： A surface treatment device utilizes an electrode device. The electrode device is provided with a closed part facing a bottom part of a bottomed hole when inserted inside the bottomed hole, and a flow through hole linking the inside and outside of the electrode device is formed in the electrode device. When surface treatment is implemented on the inner wall surface of the bottomed hole, the hollow electrode device is inserted into the inside of the bottomed hole, the electrolytic treatment solution is made to flow through the space inside the bottomed hole, and power is applied across the electrode device and the inner wall surface of the bottomed hole. The closed part faces the bottom part of the bottomed hole as an electrode across a prescribed surface area; therefore, electroplating at the bottom part of the bottomed hole proceeds to the same extent as other sites.
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