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Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days



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FLOW BATTERY

NºPublicación: WO2020235121A1 26/11/2020

Solicitante:

PANASONIC IP MAN CO LTD [JP]

Resumen de: WO2020235121A1

The present disclosure provides a flow battery which has high charge and discharge efficiency. A flow battery (100) according to one embodiment of the present disclosure is provided with a negative electrode (10), a positive electrode (20), a first liquid (12) containing a first redox species (18), a second liquid (22), and a lithium ion conductive film (30). At least one substance selected from the group consisting of the first liquid (12) and the second liquid (22) contains a supporting electrolyte that contains lithium. The total of the number of moles of lithium dissolved in the first liquid (12) and the number of moles of lithium dissolved in the second liquid (22) is larger than the number of moles of lithium contained in the supporting electrolyte.

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FABRICATION PROCESS FOR MAKING ELECTROCHEMICAL MULTILAYER MEMBRANE MATERIALS

NºPublicación: WO2020237041A1 26/11/2020

Solicitante:

ARBORSENSE INC [US]

US_2020373598_A1

Resumen de: WO2020237041A1

A method for fabricating an electrochemical sensor material includes positioning sheets of molded graphene nanoplatelets on each side of a proton exchange membrane and integrating graphene nanoplatelets into regions of the proton exchange membrane adjacent its surfaces by applying heat to increase the temperature of the proton exchange membrane to its glass transition temperature and applying compressive pressure to press a portion of each sheet of molded graphene nanoplatelets into the softened polymeric material of the proton exchange membrane. Following application of heat and pressure, the proton exchange membrane is cooled and excess graphene material is exfoliated. Electrochemical sensor components are cut from the material and electrochemical devices and systems are constructed therefrom.

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METAL POROUS SHEET, FUEL CELL, AND WATER ELECTROLYSIS DEVICE

NºPublicación: WO2020235237A1 26/11/2020

Solicitante:

SUMITOMO ELECTRIC INDUSTRIES [JP]

Resumen de: WO2020235237A1

This metal porous sheet is formed from a metal porous body having a framework which has a three-dimensional lattice structure, and the metal porous sheet has a principal surface in which grooves are formed. The depth of the grooves is 10 percent or more of the thickness of the metal porous sheet. In plan view, the area of the grooves is 10 percent or more of the area of the principal surface.

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Verfahren zum Betreiben einer Brennstoffzellenvorrichtung

NºPublicación: DE102019207530A1 26/11/2020

Solicitante:

AUDI AG [DE]

Resumen de: DE102019207530A1

Die Erfindung betrifft ein Verfahren zum Betreiben einer eine Mehrzahl von in einem Brennstoffzellenstapel angeordneter Brennstoffzellen aufweisenden Brennstoffzellenvorrichtung, umfassend die Schritte des Erfassens der Zellspannung einer Mehrzahl der Brennstoffzellen mittels einer Zellspannungsüberwachung, des Bestimmens der mittleren Zellspannung aller gemessenen Brennstoffzellen und der niedrigsten gemessenen Zellspannung, des Bestimmens des Verhältnis zwischen der niedrigsten Zellspannung und der mittleren Zellspannung und für den Fall des Unterschreitens eines Grenzwertes URATIOWechsel in einen BetriebmodusTrocken, in dem der Betrieb der Brennstoffzellenvorrichtung in einem Niederlastbereich verboten ist und die über den aktuellen Bedarf hinaus zur Verfügung gestellte Leistung zur Ladung einer Batterie genutzt wird.

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Verfahren zum Betreiben eines Brennstoffzellensystems, Brennstoffzellensystem und Kraftfahrzeug mit einem solchen

NºPublicación: DE102019207309A1 26/11/2020

Solicitante:

AUDI AG [DE]

Resumen de: DE102019207309A1

Die Erfindung betrifft ein Verfahren zum Betreiben eines Brennstoffzellensystems, umfassend die Schritte:- Betreiben der Brennstoffzelleneinheit (102) an einem aktuellen Betriebspunkt (202), welcher einer aktuellen Lastanforderung der Brennstoffzelleneinheit (102) und einer aktuellen Ausgangsleistung des Konstituenten (124) entspricht,- Erfassen eines Signals zum Betreiben der Brennstoffzelleneinheit (102) an einem Sollbetriebspunkt (200), welcher einer einzunehmenden Lastanforderung der Brennstoffzelleneinheit (102) entspricht,- Vorgeben einer Sollausgangsleistung des Konstituenten (124) in Abhängigkeit des Sollbetriebspunkts (200) der Brennstoffzelleneinheit (102), und- zeitlich vor dem tatsächlichen Erreichen der dem Sollbetriebspunkt (200) entsprechenden Sollausgangsleistung durch den Konstituenten (124), Betreiben der Brennstoffzelleneinheit (102) an einem zwischen dem aktuellen Betriebspunkt (202) und dem Sollbetriebspunkt (200) liegenden Zwischenbetriebspunkt (204) für einen vorgegebenen oder vorgebbaren Zeitraum, wobei eine Anpassung der Ausgangsleistung des Konstituenten (124) an diesen Zwischenbetriebspunkt (204) unterbleibt. Die Erfindung betrifft außerdem ein Brennstoffzellensystem zur Durchführung des Verfahrens sowie ein Kraftfahrzeug (112).

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Verfahren zum Starten eines Brennstoffzellensystems bei Vorliegen von Froststartbedingungen

NºPublicación: DE102019207310A1 26/11/2020

Solicitante:

AUDI AG [DE]

Resumen de: DE102019207310A1

Die Erfindung betrifft ein Verfahren zum Starten eines Brennstoffzellensystems (1), wenn die Bedingungen eines Froststartes vorliegen, wobei das Brennstoffzellensystem (1) einen Brennstoffzellenstapel (2) umfasst, dem anodenseitig ein Anodenkreislauf mit einer stromauf des Brennstoffzellenstapels (2) angeordneten Anodenzufuhrleitung (4) und einer stromab des Brennstoffzellenstapels (2) angeordneten und in die Anodenzufuhrleitung (4) mündenden Anodenrezirkulationsleitung (5) zugeordnet ist, und der kathodenseitig eine Kathodengasversorgung (3) aufweist, wobei ein Spülventil (6) in den Anodenkreislauf fluidmechanisch eingebunden ist, um im Anodenkreislauf vorhandenes Fluid aus dem Brennstoffzellensystem (1) auszuleiten, umfassend die Schritte:• Betreiben des Brennstoffzellenstapels (2) mit einer Effizienz, die gegenüber derjenigen eines Normalbetriebs herabgesetzt ist,• getaktetes oder kontinuierliches Erfassen einer Konzentration oder eines Partialdrucks zumindest eines Gases oder eines Gasgemisches im Anodenkreislauf, und• gepulstes Öffnen und Schließen des Spülventils (6), wenn festgestellt wird, dass die Konzentration oder der Partialdruck einen vorgegebenen Grenzwert (7) erreicht hat.

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METHOD FOR PREPARING A POLYMER MEMBRANE FOR A POLYMER ELECTROLYTE WATER ELECTROLYSER

NºPublicación: WO2020234085A1 26/11/2020

Solicitante:

SCHERRER INST PAUL [CH]

EP_3739678_A1

Resumen de: WO2020234085A1

It is the objective of the present invention to provide a method for preparing a polymer membrane for a polymer electrolyte water electrolyserin order to achieve thin membranes with high crossover suppression and without showing a negative impact on the cell performance. This objective is achieved according to the present invention by a method to prepare an ionomer of an ion exchange membrane (anion or cation exchange) with a recombination catalyst to prevent gas crossover of species, such as hydrogen and/or oxygen,toanodic and cathodic cell compartments of an electrochemical cell; said method comprising the steps of: a) providing the ionomer as a proton or an anion exchange polymer; b) selecting the recombination catalyst from the precious metals group; c) providing the selected recombination catalyst in an ionic form being comprised in a liquid metal salt solution; d) immersing the ion exchange membrane into the liquid metal salt solution thereby exchanging at least a part of the ionic ionomer ports with the ionic form of the recombination catalyst; e) assembling the immersed ion exchange membrane in the electrochemical cell; and f) at least partially reducing the content of the ionic form of the recombination catalyst into the metallic form by forcing hydrogen to permeate through the ionomer of the ion exchange membrane. Therefore, the present invention presents a new reduction method for Pt-Ions by diffusing hydrogen through the PEM in a PEWE cell. The presented solution

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Process to convert reduced sulfur species and water into hydrogen and sulfuric acid

NºPublicación: AU2019271388A1 26/11/2020

Solicitante:

CALIFORNIA INST OF TECHN

US_2019376191_A1

Resumen de: AU2019271388A1

In an aspect, provided herein are methods for producing sulfuric acid and hydrogen gas, the methods comprising steps of: providing sulfur dioxide formed by thermal conversion of a sulfur-containing species; electrochemically oxidizing said sulfur dioxide to sulfuric acid in the presence of water; and electrochemically forming hydrogen gas via a reduction reaction. In some embodiments, the methods comprise a step of thermally converting said sulfur-containing species to said sulfur dioxide. Systems configured to perform these methods are also disclosed herein. Also provided herein are methods and systems for producing sulfuric acid and hydrogen gas by electrochemically forming the sulfuric acid and the hydrogen gas in a mixture comprising a sulfur material, a supporting acid, and water. Also provided herein are methods and systems for producing a cement material.

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Silicon pole plate and preparation method therefor, use of silicon in fuel cell, fuel cell stack structure, fuel cell and use thereof

NºPublicación: AU2018426555A1 26/11/2020

Solicitante:

SUNLAND SHANGHAI INVEST CO LTD

WO_2019232835_PA

Resumen de: AU2018426555A1

Disclosed are a silicon pole plate and a preparation method therefor, the use of silicon in a fuel cell, a fuel cell stack structure, a fuel cell and the use thereof, wherein the silicon pole plate is made by using a doped conductive crystalline silicon material, and has an interior cooling medium flow passage, a front reductant flow passage and/or a back oxidant flow passage, and the interior cooling medium flow passage, the front reductant flow passage and/or the back oxidant flow passage are respectively provided with a combination of an inlet and outlet of the silicon pole plate, which are in communication therewith. Compared with a metal pole plate, a graphite pole plate or a composite material pole plate in the prior art, the silicon pole plate proposed by the present invention has better advantages in terms of lifespan, cost, efficiency and power density, which undoubtedly has a great significance for and a core role in promoting the mass industrialization process of fuel cells.

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SALIVARY BIOSENSORS AND BIOFUEL CELLS

NºPublicación: US2020367793A1 26/11/2020

Solicitante:

UNIV CALIFORNIA [US]

JP_2017512604_A

Resumen de: US2020367793A1

Methods, systems, and devices are disclosed mouth-based biosensors and biofuel cells. In one aspect, an electrochemical sensor device for detecting analytes in saliva includes a substrate including an electrically insulative material, a first electrode disposed on the substrate at a first location, in which the first electrode includes a surface including a chemical agent (e.g., a catalyst or a reactant) corresponding to an analyte in saliva; and a second electrode disposed on the substrate at a second location separated from the first electrode by a spacing region, the first and second electrodes capable of sustaining a redox reaction involving the chemical agent and the analyte to produce an electrical signal, such that, when the device is present in the mouth of a user and electrically coupled to an electrical circuit, the device is operable to detect the analyte in the user's saliva.

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FUEL CELL VEHICLE

NºPublicación: US2020369166A1 26/11/2020

Solicitante:

NISSAN MOTOR [JP]

JP_WO2019035170_A1

Resumen de: US2020369166A1

In the fuel cell vehicle provided with the motor and configured to drive the motor with power of at least one of the fuel cell 1 and the battery, the fuel cell having a DC voltage of less than 60 V is disposed in the rear portion of the vehicle and the battery is disposed in the front relative to the fuel cell.

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FUEL CELL VEHICLE

NºPublicación: US2020369165A1 26/11/2020

Solicitante:

HYUNDAI MOTOR CO LTD [KR]
KIA MOTORS CORP [KR]

CN_111959298_A

Resumen de: US2020369165A1

A fuel cell vehicle provides improved space utilization and a desired intensity of voltage. The fuel cell vehicle includes a fuel cell, a junction box disposed on the fuel cell, and a power controller disposed between the fuel cell and the passenger compartment. The power controller boosts the output voltage of the fuel cell.

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APPARATUS FOR POWER SUPPLY SYSTEM, CONTROL METHOD FOR POWER SUPPLY SYSTEM, AND POWER SUPPLY SYSTEM

NºPublicación: US2020373640A1 26/11/2020

Solicitante:

TOSHIBA KK [JP]
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP [JP]

AU_2018409334_A1

Resumen de: US2020373640A1

A power supply system according to the present embodiment is a control apparatus for a power supply system that includes a hydrogen power generator adapted to generate hydrogen using electric power supplied from a power generator and supply a load with electric power generated using the generated hydrogen, and a storage battery configured to be quicker in control response than the hydrogen power generator and adapted to get charged and discharged to offset excess and deficiency of the electric power supplied to the load from the power generator, the control apparatus including: an acquiring unit adapted to acquire information about remaining energy in the storage battery; and a controller adapted to control the hydrogen power generator so as to start generating electric power when it is expected, based on the information, that the remaining energy in the storage battery reaches a first threshold within a predetermined time.

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METHODS AND SYSTEMS FOR DETERMINING AVERAGE OXIDATION STATE OF REDOX FLOW BATTERY SYSTEMS USING THE OPEN CIRCUIT VOLTAGE

NºPublicación: US2020373595A1 26/11/2020

Solicitante:

CREEK CHANNEL INC [US]

WO_2020236700_A1

Resumen de: US2020373595A1

A method for determining a storage capacity or average oxidation state (AOS) of a redox flow battery system including an anolyte and a catholyte includes discharging a portion of the anolyte and catholyte of the redox flow battery system at a discharge rate that is within 10% of a preselected discharge rate; after discharging the redox flow battery system, determining an end OCV; and determining the storage capacity or AOS from the end OCV. Other methods can be used to determine the storage capacity or AOS using a measured OCV.

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SYSTEMS AND METHODS FOR RECYCLING FUEL CELL STACK COMPONENTS

NºPublicación: US2020373590A1 26/11/2020

Solicitante:

BLOOM ENERGY CORP [US]

US_2017244114_PA

Resumen de: US2020373590A1

System and methods for refurbishing fuel cell stack components, the methods including singulating the stack using a splitting apparatus or a liquid nitrogen bath. Fuel cell debris may be removed from interconnects of the fuel cell stack using laser heating, flame heating, a die, sonication, a nubbed roller, grit blasting, and/or a high pressure fluid.

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METHODS AND SYSTEMS FOR DETERMINING AVERAGE OXIDATION STATE OF REDOX FLOW BATTERY SYSTEMS

NºPublicación: US2020373594A1 26/11/2020

Solicitante:

CREEK CHANNEL INC [US]

WO_2020236700_A1

Resumen de: US2020373594A1

A method for determining an average oxidation state (AOS) of a redox flow battery system includes measuring a charge capacity for a low potential charging period starting from a discharged state of the redox flow battery system to a turning point of a charge voltage; and determining the AOS using the measured charge capacity and volumes of anolyte and catholyte of the redox flow battery system. Other methods can be used to determine the AOS for a redox flow battery system or use discharge voltage instead of charging voltage.

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HYDROPHILIC POROUS CARBON ELECTRODE AND MANUFACTURING METHOD OF SAME

NºPublicación: US2020373588A1 26/11/2020

Solicitante:

MITSUBISHI CHEM CORP [JP]
MITSUBISHI CHEMICAL CORP [JP]

Resumen de: US2020373588A1

A hydrophilic porous carbon electrode which has excellent hydrophilicity, which has high reaction activity when used for a battery, and with which excellent battery characteristics is able to be obtained is provided. A hydrophilic porous carbon electrode is a sheet-form hydrophilic porous carbon electrode in which a carbon fiber is bonded using a resin carbide and has a contact angles θA of water on both surfaces in a thickness direction being 0 to 15° and a contact angle θB of water in a middle portion in the thickness direction being 0 to 15°. The hydrophilic porous carbon electrode is obtained by forming the carbon fiber and a binder fiber into a sheet, impregnating the sheet into a thermosetting resin, subjecting it to heat press processing, and then subjecting it to carbonization at 400 to 3000° C. in an inert atmosphere. The hydrophilic porous carbon electrode is transported and is subjected to a heat treatment while an oxidizing gas flows at 400 to 800° C. in a direction perpendicular to a direction in which the hydrophilic porous carbon electrode is transported to be subjected to hydrophilization.

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HIGHLY CORROSION-RESISTANT POROUS METAL BODY

NºPublicación: US2020373586A1 26/11/2020

Solicitante:

SUMITOMO ELECTRIC INDUSTRIES [JP]
SUMITOMO ELECTRIC TOYAMA CO [JP]

US_2019067703_A1

Resumen de: US2020373586A1

Provided are a porous metal body that is excellent in terms of corrosion resistance and that is suitable for a collector for batteries such as lithium-ion batteries, capacitors, or fuel cells; and methods for producing the porous metal body. A production method includes a step of coating a porous nickel body with an alloy containing at least nickel and tungsten or a metal containing at least tin; and a subsequent step of a heat treatment. Another production method includes a step of forming a nickel-plated layer on a porous base and then continuously forming an alloy-plated layer containing at least nickel and tungsten or tin, a step of removing the porous base, and a step of reducing metal. Such a method can provide a porous metal body in which tungsten or tin is diffused in a porous nickel body or a nickel-plated layer.

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REDOX FLOW BATTERY SYSTEM WITH ELECTROCHEMICAL RECOVERY CELL

NºPublicación: US2020373597A1 26/11/2020

Solicitante:

UNITED TECHNOLOGIES CORP [US]

EP_3742534_A1

Resumen de: US2020373597A1

A redox flow battery system includes a redox flow battery that has a redox flow cell, and a supply/storage system external of the redox flow cell. The supply/storage system includes first and second electrolytes for circulation through the redox flow cell. At least the first electrolyte is an aqueous liquid electrolyte that has electrochemically active species with multiple, reversible oxidation states. There is a gas vent passage connected with the redox flow battery to receive water byproduct that evolves from side reaction of the first electrolyte. A bypass passage is connected with the supply/storage system to receive the aqueous electrolyte. An electrochemical recovery cell includes a first half-cell connected to the gas vent passage to receive as a reactant the water byproduct and a second half-cell connected to the bypass passage to receive as a reactant the first electrolyte.

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FUEL CELL STACK

NºPublicación: US2020373604A1 26/11/2020

Solicitante:

HYUNDAI MOTOR CO LTD [KR]
KIA MOTORS CORP [KR]

CN_111987329_A

Resumen de: US2020373604A1

A fuel cell stack includes a power generation cell having a first gas diffusion layer and a dummy cell disposed at an end of the power generation cell and having a second gas diffusion layer with higher thermal conductivity than the first gas diffusion layer. An end plate is fastened at an end of the dummy cell and a heater is interposed between the dummy cell and the end plate.

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FUEL CELL MODULE HOUSING WITH FIELD REPLACEABLE STACKS

NºPublicación: US2020373605A1 26/11/2020

Solicitante:

FUELCELL ENERGY INC [US]

US_2019097255_A1

Resumen de: US2020373605A1

A fuel cell module includes a plurality of fuel cell stacks; a manifold configured to provide process gases to and receive process gases from the plurality of fuel cell stacks; and a module housing enclosing the plurality of fuel cell stacks and the manifold. Each of the plurality of fuel cell stacks is individually installable onto the manifold by lowering the fuel cell stack onto the manifold, and is individually removable from the manifold by raising the fuel cell stack from the manifold.

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AQUEOUS REDOX FLOW BATTERY ELECTROLYTES WITH HIGH CHEMICAL AND ELECTROCHEMICAL STABILITY, HIGH WATER SOLUBILITY, LOW MEMBRANE PERMEABILITY

NºPublicación: US2020373599A1 26/11/2020

Solicitante:

HARVARD COLLEGE [US]

WO_2018032003_A1

Resumen de: US2020373599A1

The invention features redox flow batteries and compound useful therein as negolytes or posolytes. The batteries and compounds are advantageous in terms of being useable in water solutions at neutral pH and have extremely high capacity retention. Suitable negolytes are diquaternized bipyridines, suitable posolytes are water-soluble ferrocene derivatives.

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CARBON ELECTRODE MATERIAL FOR REDOX FLOW BATTERY, AND MANUFACTURING METHOD THEREOF

NºPublicación: US2020373583A1 26/11/2020

Solicitante:

TOYO BOSEKI [JP]
SUMITOMO ELECTRIC INDUSTRIES [JP]

JP_WO2019049756_A1

Resumen de: US2020373583A1

A carbon electrode material is disclosed for a redox flow battery that particularly, even when using an Mn—Ti type electrolyte, while stabilizing Mn ions and suppressing a rise in cell resistance during initial charge and discharge, has excellent oxidation resistance. The electrode material includes a carbonaceous fiber, and a carbonaceous material for binding the carbonaceous fiber, and satisfies the requirements: (1) when the size of a crystallite in a c axis direction found by X-ray diffraction in the carbonaceous material (B) is Lc(B), Lc(B) is 10 nm or greater; (2) when the size of the crystallite in the c axis direction found by X-ray diffraction in the carbonaceous fiber (A) is Lc(A), Lc(B)/Lc(A) is 1.0 or greater; and (3) the number of bonded oxygen atoms of the carbon electrode material surface is 1.0% or greater than the total number of carbon atoms of the carbon electrode material surface.

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UNIQUE REDOX-ACTIVE PHENOTHIAZINE COMBINATIONS WITH DEPRESSED MELTING POINTS FOR INCREASED SOLUBILITY AND METHOD OF USE IN ENERGY STORAGE AND IN REDOX FLOW BATTERIES

NºPublicación: US2020373603A1 26/11/2020

Solicitante:

UNIV KENTUCKY RES FOUND [US]

Resumen de: US2020373603A1

A combination of redox active compounds is useful in connection with a rechargeable battery and includes a first redox active compound having a first solubility, and a second redox active compound having a second solubility, wherein the combination has a third solubility that is greater than one or both of the first solubility and the second solubility.

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FABRICATION PROCESS FOR MAKING ELECTROCHEMICAL MULTILAYER MEMBRANE MATERIALS

Nº publicación: US2020373598A1 26/11/2020

Solicitante:

ARBORSENSE INC [US]

WO_2020237041_A1

Resumen de: US2020373598A1

A method for fabricating an electrochemical sensor material includes positioning sheets of molded graphene nanoplatelets on each side of a proton exchange membrane and integrating graphene nanoplatelets into regions of the proton exchange membrane adjacent its surfaces by applying heat to increase the temperature of the proton exchange membrane to its glass transition temperature and applying compressive pressure to press a portion of each sheet of molded graphene nanoplatelets into the softened polymeric material of the proton exchange membrane. Following application of heat and pressure, the proton exchange membrane is cooled and excess graphene material is exfoliated. Electrochemical sensor components are cut from the material and electrochemical devices and systems are constructed therefrom.

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