Liquid Light, Inc.

Avantium Knowledge Centre B.v.

Electrolytic Technologies Corp.

Dioxide Materials, Inc.

Pureline Treatment Systems, LLC

Jerry J Kaczur

Kyle Teamey

Emily Barton Cole

Narayanappa Sivasankar

Paul Majsztrik

Zbigniew Twardowski

Theodore J Kramer

Andrew B Bocarsly

Prasad Lakkaraju

Kunttal Keyshar

Martin E Nelson

Derek B Lubie

Edmund M Cudworth

Charles W Clements

Richard I Masel

Chenniah Nanjundiah

George Leonard

Syed Dawar Sajjad

Robert Page Shirtum

Hongzhou Yang

Kate A Keets

Rishi Parajuli

Timothy J O'Leary

Kyle Tearney

Yizu Zhu

Alexander Bauer

Prasad P Lakkaraju

Setrak Tanielyan

Farah Dhun

Robert Farrauto

Robert Augustine

Rishi R Parajuli

The present disclosure is a method and system for the reduction of carbon dioxide. The method may include receiving hydrogen gas at an anolyte region of an electrochemical cell including an anode, the anode including a gas diffusion electrode, receiving an anolyte feed at an anolyte region of the electrochemical cell, and receiving a catholyte feed including carbon dioxide and an alkali metal bicarbonate at a catholyte region of the electrochemical cell including a cathode. The method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product.

Method and system for electrochemical reduction of carbon dioxide employing a gas diffusion electrode

Methods and systems for electrochemical conversion of carbon dioxide to organic products including formate and formic acid are provided. A method may include, but is not limited to, steps (A) to (C). Step (A) may introduce an acidic anolyte to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce a bicarbonate-based catholyte saturated with carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a high surface area cathode including indium and having a void volume of between about 30% to 98%. At least a portion of the bicarbonate-based catholyte is recycled. Step (C) may apply an electrical potential between the anode and the cathode sufficient to reduce the carbon dioxide to at least one of a single-carbon based product or a multi-carbon based product.

Process and high surface area electrodes for the electrochemical reduction of carbon dioxide

An electrochemical device converts carbon dioxide to a formic acid reaction product. The device includes an anode and a cathode, each comprising a quantity of catalyst. The anode and cathode each have reactant introduced thereto. Two membranes, a cation exchange polymer electrolyte membrane and an anion exchange polymer electrolyte membrane, are interposed between the anode and the cathode, forming a central flow compartment where a carbon dioxide reduction product, such as formic acid, can be recovered. At least a portion of the cathode catalyst is directly exposed to gaseous carbon dioxide during electrolysis. The average current density at the membrane is at least 20 mA/cm, measured as the area of the cathode gas diffusion layer that is covered by catalyst, and formate ion selectivity is at least 50% at a cell potential difference of 3.0 V. In some embodiments, at least one polymer electrolyte membrane comprises a polymer in which a constituent monomer is (p-vinylbenzyl)-R, where R is selected from the group consisting of imidazoliums, pyridiniums and phosphoniums. In some embodiments, the polymer electrolyte membrane is a Helper Membrane comprising a polymer containing an imidazolium ligand, a pyridinium ligand, or a phosphonium ligand.

Method and system for electrochemical production of formic acid from carbon dioxide

The present disclosure the present disclosure is directed to an electrochemical cell including an exterior pressure vessel, the exterior pressure vessel including a cylindrical body, a first end removably fastened to the cylindrical body to cover a first opening of the cylindrical body and a second end removably fastened to the cylindrical body to cover a second opening of the cylindrical body. The electrochemical cell may further include high surface area electrodes which may be configured to operate at high pressures, such as in the range of 2 to 100 atmospheres or more.

High pressure electrochemical cell and process for the electrochemical reduction of carbon dioxide

The present disclosure is a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include a step of contacting the first region with a catholyte comprising carbon dioxide. The method may include another step of contacting the second region with an anolyte comprising a recycled reactant and at least one of an alkane, haloalkane, alkene, haloalkene, aromatic compound, haloaromatic compound, heteroaromatic compound or halo-heteroaromatic compound. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region.

Electrochemical co-production of products with carbon-based reactant feed to anode

The present disclosure includes a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include a step of contacting the first region with a catholyte comprising carbon dioxide. The method may include another step of contacting the second region with an anolyte comprising a sulfur-based reactant. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region. An additional step of the method may include removing the second product and an unreacted sulfur-based reactant from the second region and recycling the unreacted sulfur-based reactant to the second region.

Electrochemical co-production of chemicals with sulfur-based reactant feeds to anode

The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of COto oxalate and oxalic acid. The method and system for production of oxalic acid and oxalic acid reduction products may further include the acidification of oxalate to oxalic acid, the purification of oxalic acid and the hydrogenation of oxalic acid to produce oxalic acid reduction products.

Method and system for production of oxalic acid and oxalic acid reduction products

The present disclosure is a method and system for production of carboxylic based chemicals, including carboxylic acids and salts. A method for producing at oxalic acid may include receiving an anolyte feed at an anolyte region of an electrochemical cell including an anode and receiving a catholyte feed including carbon dioxide and an alkali metal hydroxide at a catholyte region of the electrochemical cell including a cathode. Method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product and converting the at least one reduction product and the alkali metal hydroxide to an alkali metal oxalate via a thermal reactor. The method may further include receiving the alkali metal oxalate at an electrochemical acidification electrolyzer and converting the alkali metal oxalate to oxalic acid at the electrochemical acidification electrolyzer.

Integrated process for producing carboxylic acids from carbon dioxide

Disclosed is a system and method for reducing carbon dioxide into a carbon based product. The system includes an electrochemical cell having a cathode region which includes a cathode and a non-aqueous catholyte; an anode region having an anode and an aqueous or gaseous anolyte; and an ion permeable zone disposed between the anode region and the cathode region. The ion permeable zone is at least one of (i) the interface between the anolyte and the catholyte, (ii) an ion selective membrane; (iii) at least one liquid layer formed of an emulsion or (iv) a hydrophobic or glass fiber separator. The system and method includes a source of energy, whereby applying the source of energy across the anode and cathode reduces the carbon dioxide and produces an oxidation product.

Multiphase electrochemical reduction of CO2

The present disclosure is a method and system for electrochemically co-producing a first product and a second product. The system may include a first electrochemical cell, a first reactor, a second electrochemical cell, at least one second reactor, and at least one third reactor. The method and system for for co-producing a first product and a second product may include co-producing a glycol and an alkene employing a recycled halide.

Electrochemical co-production of a glycol and an alkene employing recycled halide

The present disclosure is a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include the step of contacting the first region of the electrochemical cell with a catholyte comprising an alcohol and carbon dioxide. Another step of the method may include contacting the second region of the electrochemical cell with an anolyte comprising the alcohol. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region.

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Growing community of inventors

North Miami Beach, FL, United States of America

Jerry J Kaczur