Saudi Arabian Oil Company

Ahmad D Hammad

Issam Thaher Amr

Bandar A Fadhel

Stamatios Souentie

Zaki Yusuf

Yuguo Wang

Rashid M Othman

Rami A Bamagain

Georgios Lithoxoos

Wajdi Issam Al Sadat

Nayif A Rasheedi

Esam Zaki Hamad

Yueqi Liu

Zhenguo Yang

Abdul Rahman Zafer Akhras

Alberto Lozano Ballesteros

Garba Oloriegbe Yahaya

Ali Hoteit

Hasan Imran

Konstantinos Kotsovos

Atef Al-Zahrani

Faisal S Aljar

Ali Shakir Al Hunaidy

Abdulrahman M Alsuhaibani

Ahmad Khayyat

Per Tobias Mattisson

Ahmed M Saggaf

Amjaad Al-Qahtani

George Panagiotou

Christos Kordulis

Demetrios Theleritis

Nayif A Al-Rasheedi

Mohamed Saber Mohamed Elanany

Atef Saeed Al-zahrani

Nayif Rasheedi

An electrolyte, a method for making the electrolyte, and a flow cell battery are provided. The electrolyte includes about 1.0 molar (M) to about 1.5 M iron ions and about 1.0 M to about 1.5 M vanadium ions.

Manufacturing mixed Fe/V electrolytes for flow batteries

A polymer electrolyte membrane (PEM) electrolytic cell assembly, and a method for making the assembly, are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC), including forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites, forming the functionalized ZTC. The method further includes incorporating the functionalized ZTC into electrodes, forming a membrane electrode assembly (MEA), and forming the PEM electrolytic cell assembly. The method further includes coupling the PEM electrolytic cell assembly to a heat source.

Polymer electrolyte membrane (PEM) electrolytic cells using zeolite-templated carbon (ZTC) as electrocatalyst

A system and method for feeding carbon dioxide to a first cathode cavity of a first electrochemical cell, electrochemically reducing the carbon dioxide at a first cathode in the first electrochemical cell to carbon monoxide (CO), flowing the CO from the first cathode cavity to a second cathode cavity of a second electrochemical cell, and forming at least one of ethanol or ethylene from the CO at a second cathode in the second electrochemical cell. The forming of the at least one of ethanol or ethylene from the CO may involve dimerization of the CO at the second cathode to form CO dimer.

Electrochemical conversion of carbon dioxide

A polymer electrolyte membrane (PEM) fuel cell assembly, and a method for making the assembly, are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC), including forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites, forming the functionalized ZTC. The method further includes incorporating the functionalized ZTC into electrodes, forming a membrane electrode assembly (MEA), and forming the PEM fuel cell assembly.

Polymer electrolyte membrane (PEM) fuel cells using zeolite-templated carbon (ZTC) as electrocatalyst

The present application provides systems, apparatuses, and methods for simultaneous processing of tow waster gases, namely HS and CO. In an exemplary process of this disclosure HS is supplied to anode side of an electrochemical cell, while COis supplied to the cathode side. As a result, valuable commercial products are produced. In particular, SOis harvested from the anode side, while synthesis gas, CO+H) is harvested from the cathode side. An electric current is also produced, which can be supplied to a local utility grid.

Methods for producing syngas from HS and COin an electrochemical cell

A system and methods for electrolysis of saline solutions are provided. An exemplary system provides a tandem electrolysis cell. The tandem electrolysis cell includes a common enclosure that has two chambers. A first chamber is separated from a second chamber by a cation selective membrane. A common anode and a first cathode (cathode A) are disposed in the first chamber. The first cathode and the common anode are configured to electrolyze a saline solution to hydrogen and oxygen. A second cathode (cathode B) is disposed in the second chamber. The second cathode and the common anode are configured to electrolyze a brine solution in the first chamber to form chlorine and water in the second chamber to form hydrogen and hydroxide ions.

Tandem electrolysis cell

A method and a system for using flow cell batteries with mixed Fe/V electrolytes are provided. An exemplary method includes flowing an anolyte through a first channel in an electrochemical cell, wherein the first channel is formed in the space between an anode current collector and an ion exchange membrane. A catholyte is flowed through a second channel in the electrochemical cell, wherein the second channel is formed in the space between a cathode current collector and the ion exchange membrane, wherein the first channel and the second channel are separated by an ion exchange membrane, and wherein the catholyte includes a mixed electrolyte including both iron and vanadium ions. Ions are flowed through the ion exchange membrane to oxidize the anolyte and reduce the catholyte. An electric current is generated between the anode current collector and the cathode current collector.

Increasing reactant utilization in Fe/V flow batteries

A solid oxide fuel cell assembly (SOFC) and a method for making the SOFC are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC). The functionalized ZTC is formed by forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution comprising hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites. The functionalized ZTC is incorporated into electrodes by forming a mixture of the functionalized ZTC with a calcined solid oxide electrolyte and calcining the mixture. The method includes forming an electrode assembly, forming the SOFC assembly, and coupling the SOFC assembly to a cooling system.

Solid oxide fuel cell using zeolite-templated carbon as electrocatalyst

Flow cell batteries and methods of producing an electric current are provided. In some implementations, a flow cell battery includes an electrochemical cell including an ion exchange membrane, an anode current collector, and a cathode current collector. The space between the ion exchange membrane and the anode current collector forms a first channel and the space between the ion exchange membrane and the cathode current collector forms a second channel. The ion exchange membrane is configured to allow ions to pass between the first and second channel. The battery includes a first tank configured to flow an anolyte through the first channel, wherein the anolyte is hydrogen gas. The battery includes a second tank configured to flow a catholyte through the second channel, wherein the catholyte is a compound that can be reversibly hydrogenated and dehydrogenated. The flow cell battery can be used to generate electric current.

CObased and hydrogen based compounds for redox flow battery

A method and systems are provided for utilizing black powder to form an electrolyte for a flow battery. In an exemplary method the black powder is heated under an inert atmosphere to form FeO. The FeOis dissolved in an acid solution to form an electrolyte solution. A ratio of iron (II) to iron (III) is adjusted by a redox process.

Utilizing black powder for electrolytes for flow batteries

Embodiments of this disclosure are directed to a parking indicator comprising a vehicle contact body, a pivoting contact body support, an elongated visibility indicator, an indicator actuating mechanism, and an indicator retracting mechanism. The pivoting contact body support is attached to the vehicle contact body and is configured to permit the vehicle contact body to pivot to a horizontally-oriented position when the vehicle contact body is grounded via the pivoting contact body support and is contacted by a vehicle entering a parking space occupied by the parking indicator. The elongated visibility indicator is mechanically coupled to the vehicle contact body via the indicator actuating mechanism such that the indicator actuating mechanism upholds the elongated visibility indicator in an extended position. The indicator retracting mechanism is configured to retract the elongated visibility indicator to a retracted position when the vehicle contact body pivots from the vertically-oriented position to the horizontally-oriented position.

Parking indicator comprising indicator retracting mechanism

A method of diffusing COwithin a concrete mixture that includes mixing a non-recycled aggregate material with a COgas in a pretreatment chamber of a concrete preparation system to form a COadsorbed aggregate material, transferring the COadsorbed aggregate material from the pretreatment chamber into a cement mixing chamber of the concrete preparation system, and mixing the COadsorbed aggregate material with cement and water to form the concrete mixture, where mixing the COadsorbed aggregate material with cement and water releases COfrom the COadsorbed aggregate material and diffuses COinto the concrete mixture to form a carbonated concrete mixture.

Methods of holistically diffusing carbon dioxide within a concrete mixture

A system and method with a solid oxide electrolysis cell (SOEC), including feeding carbon dioxide and an olefin to the SOEC and discharging carbon monoxide and an olefin oxide from the SOEC, wherein the olefin oxide corresponds to the olefin.

Electrochemical reduction of carbon dioxide to upgrade hydrocarbon feedstocks

A solar collection system includes an absorption refrigeration system to generate water from atmospheric moisture, and to do so without the use of an electrically operated compressor. At least a portion of the solar energy captured by the solar collection system is used to operate the absorption refrigeration cycle. The absorption refrigeration cycle provides cooling that causes water in the atmosphere to condense into a liquid that can be collected and used for various applications. As one example, the collected liquid can be used for the cleaning of the solar collection system of contaminants like dust or bird drippings. In other applications, the water can be used outside the solar collection system including, but not limited to, irrigation, drinking, and other industrial purposes.

Utilization of solar systems to harvest atmospheric moisture for various applications including panel cleaning

Systems for treating a viscous medium are illustrated. The systems may comprise a primary source of pressurized treatment fluid, a fluidic transfer assembly, and a helical mixing element. The fluidic transfer assembly comprises a fluidic transfer chamber and a fluid outlet. The primary source of pressurized treatment fluid is in fluidic communication with the fluid outlet of the fluidic transfer assembly via the fluidic transfer chamber. The primary source of pressurized treatment fluid is in fluidic communication with the fluid outlet of the fluidic transfer assembly via the fluidic transfer chamber. The helical mixing element comprises an interior treatment fluid passage and external injection ports. The fluid outlet of the fluidic transfer assembly is in fluidic communication with the external injection ports of the helical mixing element via the interior treatment fluid passage of the helical mixing element. The systems may be incorporated into methods for treating a viscous medium.

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Dhahran, Saudi Arabia

Ahmad D Hammad