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CCHEMISTRY METALLURGY C25Electrolytic processing C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS APPARATUS THEREFOR C25C7/00Constructional parts, or assemblies thereof, of cells Servicing or operating of cells

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C25C7/02Electrodes Connections thereof

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Patents Grantslast 30 patents

Information Patent Grant
Li recovery processes and onsite chemical production for Li recover...
- Patent number 12,338,538
- Issue date Jun 24, 2025
- Mangrove Water Technologies LTD.
- Saad Dara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for lining a cathode assembly of an electrolysis cell for pr...
- Patent number 12,331,418
- Issue date Jun 17, 2025
- OBSCHESTVO S OGRANICHENNOY OTVETSTVENNOST'YU “OBEDINENNAYA KOMPANIYA RUSAL IN...
- Aleksandr Vladimirovich Proshkin
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for manufacturing carbon anodes for aluminium production ce...
- Patent number 12,270,117
- Issue date Apr 8, 2025
- Universite Laval
- Houshang Alamdari
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Split type sterilization electrolytic silver ion spray device
- Patent number 12,263,259
- Issue date Apr 1, 2025
- Huiping Hong
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Membrane-based critical minerals purification system
- Patent number 12,241,171
- Issue date Mar 4, 2025
- LytEn, Inc.
- Jesse Baucom
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Treatment of metal ores
- Patent number 12,215,436
- Issue date Feb 4, 2025
- Derek Fray
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Apparatus and method for operating an electrolytic cell
- Patent number 12,203,187
- Issue date Jan 21, 2025
- ELYSIS LIMITED PARTNERSHIP
- Bruno Petitjean
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrorefining apparatus and process for refining lithium metal
- Patent number 12,188,140
- Issue date Jan 7, 2025
- Arcadium Lithium Intermediate IRL Limited
- Maciej Jastrzebski
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Apparatus and method for operating an electrolytic cell
- Patent number 12,173,419
- Issue date Dec 24, 2024
- ELYSIS LIMITED PARTNERSHIP
- Bruno Petitjean
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Li recovery processes and onsite chemical production for Li recover...
- Patent number 12,168,831
- Issue date Dec 17, 2024
- Mangrove Water Technologies LTD.
- Saad Dara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrolytic reduction system and method of vanadium electrolyte
- Patent number 12,166,253
- Issue date Dec 10, 2024
- Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan,...
- Chin-Lung Hsieh
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for the manufacture of insoluble lead anodes, used in electr...
- Patent number 12,157,153
- Issue date Dec 3, 2024
- ÁNODOS DE CHILE S.A.
- Horacio Rafart Mouthon
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrode assembly for electrochemical processes and method of rest...
- Patent number 12,139,807
- Issue date Nov 12, 2024
- PERMASCAND AKTIEBOLAG
- Erik Zimmerman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Methods and systems for converting metal oxides to metal using meta...
- Patent number 12,129,176
- Issue date Oct 29, 2024
- Consolidated Nuclear Security, LLC
- Justin Matthew Holland
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods of forming alloys by reducing metal oxides
- Patent number 12,116,684
- Issue date Oct 15, 2024
- Battelle Energy Alliance, LLC
- Prabhat K. Tripathy
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Energy reclamation and carbon-neutral system for ultra-efficient EV...
- Patent number 12,110,603
- Issue date Oct 8, 2024
- LytEn, Inc.
- Jesse Baucom
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
2-step iron conversion system
- Patent number 12,065,749
- Issue date Aug 20, 2024
- ELECTRASTEEL, INC.
- Ai Quoc Pham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ore dissolution and iron conversion system
- Patent number 12,054,837
- Issue date Aug 6, 2024
- ELECTRASTEEL, INC.
- Ai Quoc Pham
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Leak free current collector assemblage for metallurgical vessel and...
- Patent number 12,050,059
- Issue date Jul 30, 2024
- Boston Electrometallurgical Corporation
- Robert Wyatt Hyers
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Membrane-based alkali metal extraction system
- Patent number 12,012,664
- Issue date Jun 18, 2024
- LytEn, Inc.
- Jesse Baucom
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of aluminum-scandium alloy production
- Patent number 11,970,782
- Issue date Apr 30, 2024
- FEA Materials LLC
- Adam Clayton Powell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electrolytic production of high-purity lithium from low-purity sources
- Patent number 11,965,261
- Issue date Apr 23, 2024
- MetaGenesis, Ltd.
- Yi Cui
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Device for efficiently recycling nickel in wastewater and method
- Patent number 11,952,291
- Issue date Apr 9, 2024
- Chongqing University of Arts and Sciences
- Wei Guan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Li recovery processes and onsite chemical production for Li recover...
- Patent number 11,932,955
- Issue date Mar 19, 2024
- Mangrove Water Technologies Ltd.
- Saad Dara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrode assembly for electrochemical processes
- Patent number 11,926,912
- Issue date Mar 12, 2024
- PERMASCAND AKTIEBOLAG
- Erik Zimmerman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Tungsten electrode for molten salt electrolysis for rare earth meta...
- Patent number 11,926,914
- Issue date Mar 12, 2024
- GANZHOU CHENGUANG RARE EARTHS NEW MATERIAL CO., LTD.
- Shaohua Yang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Lanthanide electrochemistry
- Patent number 11,920,249
- Issue date Mar 5, 2024
- Johna Leddy
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Li recovery processes and onsite chemical production for Li recover...
- Patent number 11,891,710
- Issue date Feb 6, 2024
- Mangrove Water Technologies Ltd.
- Saad Dara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Li recovery processes and onsite chemical production for Li recover...
- Patent number 11,859,297
- Issue date Jan 2, 2024
- Mangrove Water Technologies Ltd.
- Saad Dara
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Energy reclamation and carbon-neutral system for ultra-efficient EV...
- Patent number 11,827,991
- Issue date Nov 28, 2023
- LytEn, Inc.
- Jesse Baucom
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS FOR THE ELECTROCHEMICAL TREATING OF IRON AND STEEL
- Publication number 20250230564
- Publication date Jul 17, 2025
- ALLIANCE FOR SUSTAINABLE ENERGY, LLC
- Robert Terry BELL
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE FOR RARE EARTH MOLTEN SALT ELECTROLYSIS AND AN ELECTROLYSIS...
- Publication number 20250215593
- Publication date Jul 3, 2025
- Industrial Technology Research Institute
- Cheng-Chuan WANG
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SYSTEM AND PROCESS FOR EXTRACTING LITHIUM FROM A SALTWATER
- Publication number 20250188634
- Publication date Jun 12, 2025
- SALTWORKS TECHNOLOGIES INC.
- Xiangchun YIN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
AN ELECTROCHEMICAL PROCESS FOR RECOVERING PLATINUM GROUP METALS (PG...
- Publication number 20250188635
- Publication date Jun 12, 2025
- FUNDACIÓN TECNALIA RESEARCH & INNOVATION
- AMAL INOKA SIRIWARDANA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR PREPARING NICKEL FERRITE-BASED EUTECTIC CERAMIC INERT AN...
- Publication number 20250162949
- Publication date May 22, 2025
- CHANG'AN UNIVERSITY
- Peng ZHAO
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Production of 177Lu from Yb Targets
- Publication number 20250129500
- Publication date Apr 24, 2025
- THE CURATORS OF THE UNIVERSITY OF MISSOURI
- John David Robertson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYZER WITH HORIZONTAL CATHODE
- Publication number 20250122637
- Publication date Apr 17, 2025
- VERDEEN CHEMICALS INC.
- Vipin Tyagi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROCHEMICAL APPARATUS FOR EXTRACTING COPPER FROM COPPER-CONTAIN...
- Publication number 20250122636
- Publication date Apr 17, 2025
- Dongguan University of Technology
- GANG WANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR OPERATING AN ELECTROLYTIC CELL
- Publication number 20250116023
- Publication date Apr 10, 2025
- ELYSIS LIMITED PARTNERSHIP
- Bruno PETITJEAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
MIXED METAL IRIDIUM RUTHENIUM MOLYBDENUM ELECTROCATALYSTS
- Publication number 20250116019
- Publication date Apr 10, 2025
- MATTIQ, INC.
- Andrey IVANKIN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IMPURITY REMOVAL IN AN IRON CONVERSION SYSTEM
- Publication number 20250109516
- Publication date Apr 3, 2025
- ELECTRASTEEL, INC.
- Ai Quoc PHAM
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DIRECT ELECTROCHEMICAL EXTRACTION OF LITHIUM FROM ORES
- Publication number 20250109517
- Publication date Apr 3, 2025
- The Penn State Research Foundation
- Feifei Shi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
APPARATUSES AND METHODS FOR DISLODGING MATERIAL FROM AN ELECTRODE
- Publication number 20250101624
- Publication date Mar 27, 2025
- ZINC8 ENERGY SOLUTIONS INC.
- Tristan SLOAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Electrode, and Use and Preparation Method Thereof
- Publication number 20250101623
- Publication date Mar 27, 2025
- MAGNETO SPECIAL ANODES B.V.
- Adriaan JEREMIASSE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVER...
- Publication number 20250092537
- Publication date Mar 20, 2025
- Saad Dara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MEMBRANE-BASED CRITICAL MINERALS PURIFICATION SYSTEM
- Publication number 20250075356
- Publication date Mar 6, 2025
- Lyten, Inc.
- Jesse Baucom
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD OF ALUMINUM-SCANDIUM ALLOY PRODUCTION
- Publication number 20250059663
- Publication date Feb 20, 2025
- FEA MATERIALS LLC
- Adam Clayton POWELL
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ELECTROCHEMICAL COGENERATION OF IRON AND COMMODITY CHEMICALS
- Publication number 20250051948
- Publication date Feb 13, 2025
- FORM ENERGY, INC.
- Joseph S. Manser
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYSIS APPARATUS FOR THE PRODUCTION OF IRON WITH AN IMPROVED...
- Publication number 20250051946
- Publication date Feb 13, 2025
- ARCELORMITTAL
- Hervé LAVELAINE DE MAUBEUGE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS
- Publication number 20250043451
- Publication date Feb 6, 2025
- SiTration, Inc.
- Brendan D. Smith
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYTIC REDUCTION SYSTEM AND METHOD OF VANADIUM ELECTROLYTE
- Publication number 20250046846
- Publication date Feb 6, 2025
- National Atomic Research Institute
- CHIN-LUNG HSIEH
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYSIS APPARATUS FOR THE PRODUCTION OF IRON WITH AN IMPROVED...
- Publication number 20250027221
- Publication date Jan 23, 2025
- ARCELORMITTAL
- Hervé LAVELAINE DE MAUBEUGE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
COMPACT APPARATUS FOR PRODUCTION OF IRON METAL BY ELECTROLYSIS
- Publication number 20250019850
- Publication date Jan 16, 2025
- ARCELORMITTAL
- Hervé LAVELAINE DE MAUBEUGE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROCHEMICAL EXTRACTION FROM CEMENTED CARBIDE
- Publication number 20250019851
- Publication date Jan 16, 2025
- Kennametal India Ltd.
- Prabin Achuthankutty
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHODS AND SYSTEMS OF CONTROLLING BIDIRECTIONAL OPERATION OF AN EL...
- Publication number 20250011959
- Publication date Jan 9, 2025
- FORM ENERGY, INC.
- Liang SU
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVER...
- Publication number 20250011949
- Publication date Jan 9, 2025
- Saad Dara
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ADVANCED ALUMINUM ELECTROLYSIS CELL
- Publication number 20250011958
- Publication date Jan 9, 2025
- ELYSIS LIMITED PARTNERSHIP
- Xinghua LIU
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVER...
- Publication number 20250011950
- Publication date Jan 9, 2025
- Saad Dara
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS
- Publication number 20240426015
- Publication date Dec 26, 2024
- SiTration, Inc.
- Brendan D. Smith
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
INERT ANODE ALUMINUM ELECTROLYTIC CELL WITH VERTICAL STRUCTURE
- Publication number 20240426016
- Publication date Dec 26, 2024
- ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO. LTD OF CHALCO
- Shengzhong BAO
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Electrodes Connections thereof

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Li recovery processes and onsite chemical production for Li recover...

Method for lining a cathode assembly of an electrolysis cell for pr...

Process for manufacturing carbon anodes for aluminium production ce...

Split type sterilization electrolytic silver ion spray device

Membrane-based critical minerals purification system

Treatment of metal ores

Apparatus and method for operating an electrolytic cell

Electrorefining apparatus and process for refining lithium metal

Apparatus and method for operating an electrolytic cell

Li recovery processes and onsite chemical production for Li recover...

Electrolytic reduction system and method of vanadium electrolyte

Method for the manufacture of insoluble lead anodes, used in electr...

Electrode assembly for electrochemical processes and method of rest...

Methods and systems for converting metal oxides to metal using meta...

Methods of forming alloys by reducing metal oxides

Energy reclamation and carbon-neutral system for ultra-efficient EV...

2-step iron conversion system

Ore dissolution and iron conversion system

Leak free current collector assemblage for metallurgical vessel and...

Membrane-based alkali metal extraction system

Method of aluminum-scandium alloy production

Electrolytic production of high-purity lithium from low-purity sources

Device for efficiently recycling nickel in wastewater and method

Li recovery processes and onsite chemical production for Li recover...

Electrode assembly for electrochemical processes

Tungsten electrode for molten salt electrolysis for rare earth meta...

Lanthanide electrochemistry

Li recovery processes and onsite chemical production for Li recover...

Li recovery processes and onsite chemical production for Li recover...

Energy reclamation and carbon-neutral system for ultra-efficient EV...

Patents Applicationslast 30 patents

METHODS AND SYSTEMS FOR THE ELECTROCHEMICAL TREATING OF IRON AND STEEL

CATHODE FOR RARE EARTH MOLTEN SALT ELECTROLYSIS AND AN ELECTROLYSIS...

SYSTEM AND PROCESS FOR EXTRACTING LITHIUM FROM A SALTWATER

AN ELECTROCHEMICAL PROCESS FOR RECOVERING PLATINUM GROUP METALS (PG...

METHOD FOR PREPARING NICKEL FERRITE-BASED EUTECTIC CERAMIC INERT AN...

Production of 177Lu from Yb Targets

ELECTROLYZER WITH HORIZONTAL CATHODE

ELECTROCHEMICAL APPARATUS FOR EXTRACTING COPPER FROM COPPER-CONTAIN...

METHOD FOR OPERATING AN ELECTROLYTIC CELL

MIXED METAL IRIDIUM RUTHENIUM MOLYBDENUM ELECTROCATALYSTS

IMPURITY REMOVAL IN AN IRON CONVERSION SYSTEM

DIRECT ELECTROCHEMICAL EXTRACTION OF LITHIUM FROM ORES

APPARATUSES AND METHODS FOR DISLODGING MATERIAL FROM AN ELECTRODE

Electrode, and Use and Preparation Method Thereof

LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVER...

MEMBRANE-BASED CRITICAL MINERALS PURIFICATION SYSTEM

METHOD OF ALUMINUM-SCANDIUM ALLOY PRODUCTION

ELECTROCHEMICAL COGENERATION OF IRON AND COMMODITY CHEMICALS

ELECTROLYSIS APPARATUS FOR THE PRODUCTION OF IRON WITH AN IMPROVED...

METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS

ELECTROLYTIC REDUCTION SYSTEM AND METHOD OF VANADIUM ELECTROLYTE

ELECTROLYSIS APPARATUS FOR THE PRODUCTION OF IRON WITH AN IMPROVED...

COMPACT APPARATUS FOR PRODUCTION OF IRON METAL BY ELECTROLYSIS

ELECTROCHEMICAL EXTRACTION FROM CEMENTED CARBIDE

METHODS AND SYSTEMS OF CONTROLLING BIDIRECTIONAL OPERATION OF AN EL...

LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVER...

ADVANCED ALUMINUM ELECTROLYSIS CELL

LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVER...

METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS

INERT ANODE ALUMINUM ELECTROLYTIC CELL WITH VERTICAL STRUCTURE