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1. 发明申请

WO2023067101A2 METHOD AND ELECTROCHEMICAL FILTER CELL FOR EXTRACTING LITHIUM 审中-公开
公开(公告)号：WO2023067101A2
公开(公告)日：2023-04-27
申请号：PCT/EP2022/079283
申请日：2022-10-20
申请人： IIDC INTERNATIONAL INVESTMENT DEVELOPMENT CORPORATION , FONDS DES FONDATEURS SAS
发明人： CERAN, Kagan
IPC分类号： C25C1/02 , C25C7/02 , C25C7/08 , C25B1/14
摘要： A novel electrochemical cell for extraction of lithium chloride from brines and release of pure lithium metal is disclosed, wherein the cell is composed of two porous electrodes positioned inside a housing with a narrow gap between them and preferably a third recovery electrode. The working electrode is impregnated with a compound that selectively binds lithium ions such as various manganese oxide and Prussian Blue analogs. The counter electrode is impregnated with a compound that binds chlorine ions such as silver and polypyrrole. Brine is pumped through the charged electrodes and lithium ions selectively bind to the working electrode and chlorine ions bind to the counter electrode while the majority of other salts pass through. When the working electrode is fully loaded, the brine is replaced with a polar organic solvent and the voltage increased to release the chlorine ions from the counter electrode as chlorine gas. Then the polarity of the electrodes is reversed between the capture electrode and the recovery electrode, and the lithium ions are released into the solvent. The solvent with the insoluble lithium ions is collected in an inert tank and the solvent is drained and evaporated, leaving dry pure lithium metal precipitate. This precipitate is melted, drained into an inert canister, and solidified as pure lithium metal ready for use.

2. 发明申请

WO2023276440A1 チタン含有電析物の製造方法及び金属チタン電析物审中-公开
公开(公告)号：WO2023276440A1
公开(公告)日：2023-01-05
申请号：PCT/JP2022/019152
申请日：2022-04-27
申请人：東邦チタニウム株式会社
发明人：中條　雄太 , 熊本　和宏 , 鈴木　大輔 , 山本　仁 , 堀川　松秀 , 藤井　秀樹
IPC分类号： C25C3/28 , C25C7/02 , C22B34/12
摘要：クロール法を使用せず、電析による良好な精製を実現することが可能なチタン含有電析物の製造方法を提供する。チタン、アルミニウム及び酸素を含むＴｉＡｌＯ導電材を含む陽極１２０と、陰極１３０とを用いて溶融塩である塩化物浴Ｂｆ中でチタン含有電析物を電析する電析工程を含む、チタン含有電析物の製造方法であって、電析工程において、陰極１３０の電流密度を０．３Ａ／ｃｍ2以上かつ２．０Ａ／ｃｍ2以下の範囲内とし、塩化物浴Ｂｆが低級塩化チタンを１ｍｏｌ％以上含む。

3. 发明申请

WO2022029531A1 PROCESS WITH LOW ENVIRONMENTAL IMPACT AND REDUCED ENERGY CONSUMPTION FOR THE RECOVERY OF LEAD FROM THE ELECTRODE PASTES OF END-OF-LIFE BATTERIES 审中-公开
公开(公告)号：WO2022029531A1
公开(公告)日：2022-02-10
申请号：PCT/IB2021/056433
申请日：2021-07-16
申请人： ENN.CO SRL
发明人： MODICA, Giovanni , SOMMARIVA, Arturo
IPC分类号： C22B3/02 , C22B3/14 , C22B3/18 , C25C1/18 , C22B3/00 , H01M10/54 , C22B3/46 , C22B13/045 , C25C1/16 , C25C7/02 , H01M10/06
摘要： The present disclosure relates to a process for obtaining metallic lead from its compounds present in an end-of-life lead-acid battery through a direct solid-solid reaction with metallic zinc, characterized in that it comprises: a) dry mixing of the mixture of lead compounds present in an end-of-life lead-acid battery with a metered quantity of metallic zinc powder, b) an addition to the mass, during mixing, of water and of an aqueous solution containing a substance capable of forming soluble zinc salts, c) a separation of the solid, essentially consisting of metallic lead, from the liquid phase in which the soluble zinc salt is present, d) an electrolytic treatment of the resulting previously separated solution in order to recover metallic zinc suitable for reuse in the treatment referred to in point a).

4. 发明申请

WO2021165974A1 LIQUID ANODE BASED MOLTEN OXIDE ELECTROLYSIS/ THE PRODUCTION OF OXYGEN FROM ELECTROLYSIS OF MOLTEN OXIDE 审中-公开
公开(公告)号：WO2021165974A1
公开(公告)日：2021-08-26
申请号：PCT/IL2021/050445
申请日：2021-04-20
申请人： HELIOS PROJECT LTD.
发明人： GEIFMAN, Jonathan
IPC分类号： C21B11/02 , C25B13/04 , C25C7/02 , C25C5/04
摘要： It is the object of the present invention to present a cell for extracting oxygen from lunar regolith via Molten Oxide Electrolysis, comprising (i) a cathode, (ii) an anode and (iii) a crucible, wherein the anode is characterized as at least partially liquid. The anode may be constructed from palladium, lead, silver, gold, platinum tantalum, or from a mixture

5. 发明申请

WO2021097586A1 SISTEMA Y DISPOSITIVO PROTECTOR DE ELECTRODOS, ANTI-PICADURAS Y ANTICORROSIVO 审中-公开
公开(公告)号：WO2021097586A1
公开(公告)日：2021-05-27
申请号：PCT/CL2020/050159
申请日：2020-11-20
申请人： YÁÑEZ CASTAÑEDA, Percy Danilo
发明人： YÁÑEZ CASTAÑEDA, Percy Danilo
IPC分类号： C25B11/00 , C25B11/02 , C25C1/12 , C25C7/02 , C25C5/02 , C25D17/00 , C25D17/10 , C25D17/12
摘要： Durante los procesos de electrodeposición y electrorefinación de metales los electrodos sufren efectos de corrosión severos. Se propone un dispositivo protector y sistema que lo comprende, donde el dispositivo protector de electrodos soluciona el problema dado que su diseño y material, preferentemente ignífugo y anticorrosivo, protegen los electrodos. El diseño envuelve toda la forma exterior de la barra de soporte de los electrodos, incluyendo las partes rectas de la placa del electrodos que nacen desde la zona de las barras soporte, por ambas caras.

6. 发明申请

WO2021047687A2 ELECTRODE AND PREPARATION METHOD AND USE THEREOF 审中-公开
公开(公告)号：WO2021047687A2
公开(公告)日：2021-03-18
申请号：PCT/CN2020/127682
申请日：2020-11-10
申请人： MAGNETO SPECIAL ANODES (SUZHOU) CO., LTD.
发明人： CHEN, Hongyuan , ZHAO, Qite , XUE, Junwei
IPC分类号： C25B11/04 , C25B11/00 , C25C1/00 , C25C1/10 , C25C1/16 , C25C7/02
摘要： Provided are an electrode and a preparation method and use thereof. The electrode includes a substrate and a catalytic layer; the catalytic layer is positioned on the upper surface and/or the lower surface of the substrate, and the catalytic layer includes a plurality of catalytic layer units with different chemical compositions; an outermost catalytic layer unit in the catalytic layer that is away from the direction of the substrate is an oxide layer containing a first metal element; other catalytic layer units except the outermost catalytic layer unit are oxide composite layers containing a first metal element and a second metal element; the mole percentage of the first metal element in each layer of the catalytic layer units accounted for a total of metal elements in each layer of the catalytic layer units increases layer by layer along the direction away from the substrate. The electrode can be used as an insoluble anode in the electrometallurgy, can reduce the cell voltage to play an energy-saving role while having a long service life in the electrometallurgy process in which the electrolyte contains high concentration of fluoride ion, and the problems of environmental pollution like lead anode and influence on product purity will not occur.

7. 发明申请

WO2020182425A1 COPPER ELECTROWINNING PROCESS 审中-公开
公开(公告)号：WO2020182425A1
公开(公告)日：2020-09-17
申请号：PCT/EP2020/054196
申请日：2020-02-18
申请人： UMICORE
发明人： HENNEBEL, Tom , GRADE, Hans , HOFMAN, Daan , VERHAEGHE, Frederik
IPC分类号： C25C1/12 , C25C7/02 , C25D3/38
摘要： The present invention concerns a copper electrowinning process suitable for the production of enhanced-quality cathodes from highly contaminated electrolytes. The process is performed in electrowinning cells including a plurality of anodes and cathodes, equipped with gas sparging elements at their bottom. It comprises the step of sparging gas across the cathodes, and is characterized in that the solution contains more than 100 mg/L of arsenic. The invention provides an alternative solution to the problem of cathode quality when dealing with highly contaminated electrolytes, in particular when containing high concentrations of arsenic.

8. 发明申请

WO2020147465A1 一种连续电解制备高纯金属钛粉的装置和方法审中-公开
公开(公告)号：WO2020147465A1
公开(公告)日：2020-07-23
申请号：PCT/CN2019/124492
申请日：2019-12-11
申请人：浙江海虹控股集团有限公司
发明人：陈海贤 , 曹佳培
IPC分类号： C25C5/04 , C25C7/02
摘要：本发明公开了一种连续电解制备高纯金属钛粉的装置和方法。本发明方法通过将一种含钛导电陶瓷阳极、回转阴极在熔盐电解槽内电解，回转阴极连续地将在阴极表面沉积的金属钛粉转移至熔盐上方，卸料刮板刮取金属钛粉后收集，再过滤回收熔盐，分离的金属钛粉冷却后使用除氧去离子水清洗，最后真空干燥得到制备好的金属钛粉。装置包括熔盐电解装置、金属钛粉连续收集装置、过滤装置、清洗装置和真空干燥装置。本发明实现了连续化制备高纯金属钛粉，并可以在线调节制备的金属钛粉的平均粒径，生产效率高，操作简单，产品纯度高。

9. 发明申请

WO2020005147A1 A CATHODE PLATE DEVICE 审中-公开
公开(公告)号：WO2020005147A1
公开(公告)日：2020-01-02
申请号：PCT/SE2019/050629
申请日：2019-06-27
申请人： TEAMX AB
发明人： FAHLGREN, Erik
IPC分类号： C25C7/02 , C25C1/12 , B23K103/12
摘要： The present invention relates to an edge protection (7) intended to be used in electrolysis for purification of copper, wherein an anode and a cathode are immersed in an electrolytic solution (2) and wherein current is supplied to the cathode (1), which is a negative pole, and the anode is a positive pole, whereby impure copper, after collecting electrons, becomes pure copper and sticks to the cathode (1), which is an outspread plate formation, wherein the edge protection (7) in use is placed over and around an edge (9) at at least one free side (5,6) of the cathode plate (1). The edge protection (7) comprises at least an elongated first portion (11) mounted to the cathode (1) for receiving and retaining at least a second elongated portion (12), which covers the edge of the cathode at a surface area (10) on each side (5,6) of the cathode plate (1), on each side (19,20) of the cathode plate's (1) edge, and an edge surface (9), substantially perpendicularly arranged relative to the cathode plate surfaces (10).

10. 发明申请

WO2019232654A1 ÁNODO NANOESTRUCTURADO, MÉTODO PARA SU ELABORACIÓN Y USO 审中-公开
公开(公告)号：WO2019232654A1
公开(公告)日：2019-12-12
申请号：PCT/CL2018/050038
申请日：2018-06-06
申请人： UNIVERSIDAD TECNICA FEDERICO SANTA MARIA
发明人： PARRA GONZÁLEZ, Carolina Ivon , FUENTES ZEPEDA, Raúl Antonio , DEL CAMPO SFEIR, Valeria Isabel , HENRÍQUEZ CORREA, Ricardo Andrés , RIVEROS PATRONI, Gonzalo Antonio , HÄBERLE TAPIA, Patricio , ESPINOZA SEREY, Rene Alfredo
IPC分类号： C01B32/158 , C01B32/16 , C25C1/12 , C25C7/02
摘要： La presente invención se refiere al campo de la nanotecnología, más particularmente a un ánodo para el proceso de electroobtencion de cobre desarrollado en base a nanotubos de carbono y un polímero, que presenta bajo consumo energético. Asimismo se divulga un método de elaboración del ánodo nanoestructurado y su uso para la electroobtencion de metales, preferentemente cobre.

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