176 results about "Cathode catalyst" patented technology

A surface-modified catalyst, a multilayer cathode and a system for the electrochemical reduction of carbon dioxide in an acidic medium releasing protons are described. More particularly, the surface-modified catalyst, the multilayer cathode and the system comprise least one heterocyclic organic molecule preventing protons from accessing an active site on a surface of the cathode catalyst material to decrease an hydrogen evolution reaction, as compared to the absence of said heterocyclic organic molecule. The use of the surface-modified catalyst, the multilayer cathode and the system for the production of multicarbon products as well as their processes of manufacturing are also described. Finally, also described are methods for electrochemical production of a multicarbon product using the multilayer cathode and the system.

The invention belongs to the technical field of fuel cell membrane electrode preparation, and particularly discloses a preparation method for improving fuel cell catalyst layer ionomer distribution, which comprises the following steps: placing a carbon nanotube in dilute nitric acid, carrying out uniform ultrasonic dispersion, then carrying out oil bath heating, carrying out continuous acidification treatment, then carrying out suction filtration, and drying to obtain a carbon nanotube catalyst layer; carbon nano tube powder subjected to acidizing treatment is obtained; mixing the acidized carbon nanotube powder with a Nafion solution in proportion, and removing a solvent through rotary evaporation to obtain a carbon nanotube-Nafion compound; mixing the carbon nanotube-Nafion compound with a commercial Pt / C catalyst, deionized water and ethanol in proportion, and performing ultrasonic treatment under an ice bath condition to obtain uniformly dispersed cathode catalyst slurry; and spraying the uniformly dispersed cathode catalyst slurry on the cathode side of the proton exchange membrane to obtain the catalyst layer for improving ionomer distribution.

The application discloses a preparation method of Fe single-atom and Cu cluster co-doped nitrogen-carbon material and application of the material in full-pH oxygen reduction electrocatalysis. The ZIF-8 with a three-dimensional and rich pore structure is used as a framework, and Fe@ZIF-8 is prepared by using a solvothermal method. Then, copper acetylacetonate is used as a copper source, and the copper acetylacetonate molecules dispersed in the gas phase are adsorbed on the surface of the ZIF-8 by using the rich pore structure of the ZIF-8 and the low sublimation temperature of the metal acetylacetonate salt. Finally, pyrolysis is carried out under nitrogen or inert atmosphere, so as to form the Fe single-atom and Cu cluster co-doped nitrogen-carbon material. The material is subjected to electrochemical test under acidic, neutral and alkaline conditions, and the material exhibits high oxygen reduction electrocatalysis performance in the full-pH range and has good stability. The material has good performance as a cathode catalyst in a fuel cell, an alkaline / neutral zinc-air battery, and has high application value.

The application provides a Sn-doped Fe-N-C catalyst, a preparation method and application thereof. The catalyst comprises a carrier and Sn atoms and Fe atoms supported on the carrier, and the carrier is an N-doped carbon material. The application dopes the p-block metal Sn with stronger electronegativity into the Fe-N-C catalyst, forms an electron-withdrawing environment around the FeN4 site, reduces the electronegativity of the FeN4 site, and weakens the adsorption strength of the FeN4 site on the oxygen reduction intermediate. Meanwhile, the metal Sn is weaker in reactivity with hydrogen peroxide produced by the reaction of oxygen via a two-electron process than Fe, reduces the concentration of free radicals produced by the reaction, improves the stability of the carrier and active sites, and can effectively prevent the shedding of Fe. The application uses the catalyst as a cathode catalyst of a proton exchange membrane fuel cell, is low in cost, and can simultaneously meet the requirements of high catalytic activity and good stability.

A membrane electrode assembly for a fuel cell includes, in this order, a cathode catalyst layer, a solid polymer electrolyte membrane, and an anode catalyst layer. The cathode catalyst layer contains at least a catalyst and a highly oxygen-permeable ionomer. At least one selected from the group consisting of the cathode catalyst layer, the solid polymer electrolyte membrane, and the anode catalyst layer contains a nitrogen-containing multidentate ligand coordinatable to an iron ion.

This application discloses a cathode catalyst for aluminum-air batteries and its preparation method. The cathode catalyst comprises a carbon support and at least one platinum-containing multi-element alloy nanowire supported on the carbon support. The platinum-containing multi-element alloy nanowire contains Pt and at least two other transition metal elements, and the aspect ratio of the platinum-containing multi-element alloy nanowire is at least 10. The cathode catalyst of this application exhibits long-term durability under harsh electrochemical environments, higher catalytic activity of the active components, and is less prone to migration and aggregation, thereby solving the technical problems of high cost and poor stability of traditional Pt / C catalysts for aluminum-air batteries.

Provided is a catalyst layer in which power generation performance is improved even in a high output power region (high current density region). A cathode catalyst layer (5) and an anode catalyst layer (6) for a membrane-electrode assembly of a solid polymer fuel cell, the cathode catalyst layer (5) and the anode catalyst layer (6) containing catalyst particles (1), an electrically conductive carrier (2), a polymer electrolyte (3), and a fibrous substance (4), the fibrous substance (4) containing at least one of an electron conductor and a proton conductor, the specific surface area of the fibrous substance (4) being in a range of 40 m 2 / g or more and 80 m 2 / g or less.

The utility model relates to a fuel cell membrane electrode with high stability and high catalytic performance, which comprises a proton exchange membrane, and gas diffusion layers are arranged on two sides of the proton exchange membrane. A cathode catalyst layer is arranged between one side of the proton exchange membrane and one gas diffusion layer, an anode catalyst layer is arranged between the other side of the proton exchange membrane and the other gas diffusion layer, the cathode catalyst layer comprises n pomegranate-structured cathode layers, the anode catalyst layer comprises n pomegranate-structured anode layers, and the number n of layers is greater than or equal to 3. Compared with the prior art at the cost of sacrificing the stability, the catalytic performance is improved on the basis of considering the stability and the process influence.

This invention discloses a high-throughput electrocatalytic preparation apparatus for arsine and its usage method. The apparatus includes an anode electrolytic cell and cathode electrolytic cells on its left and right sides, respectively. Both the anode and cathode electrolytic cells are filled with acidic electrolyte and separated by a proton exchange membrane. The anode catalyst electrode in the anode electrolytic cell is connected to the positive terminal of a DC power supply; the cathode catalyst electrode in the cathode electrolytic cell is connected to the negative terminal of a DC power supply. An isolation valve and a cathode sludge receiving box are located at the lower end of the cathode electrolytic cell. This invention's equipment generates oxygen at the anode and arsine at the cathode through electrolysis. The principle is based on the reduction of elemental arsenic, which combines with hydrogen permeating through the proton exchange membrane to form arsine. This equipment has a simple structure and low cost. The design of dual cathode electrodes and their matching isolation valve and cathode sludge receiving box improves the efficiency of arsine production while reducing its cost, demonstrating significant application potential.

The application discloses a molybdenum monatomic anchored gamma-Fe2O3 photoelectric cathode catalyst, a preparation method of an electrode thereof and application of the catalyst to photoelectrocatalytic degradation of pollutants in water bodies. The molybdenum monatomic anchored gamma-Fe2O3 photoelectric cathode catalyst comprises a gamma-Fe2O3 carrier and molybdenum atoms anchored on the surface of the gamma-Fe2O3 carrier in the form of monatomic atoms, wherein the molybdenum atoms are anchored by replacing part of iron sites in the gamma-Fe2O3 crystal lattice. The preparation method comprises the following steps: mixing and impregnating a molybdenum precursor solution with gamma-Fe2O3, and evaporating dry; and performing twice calcination on the obtained solid to obtain the molybdenum monatomic anchored gamma-Fe2O3 photoelectric cathode catalyst; in the twice calcination, the first time calcination is performed at 250-350 DEG C in an oxygen-containing atmosphere, and the second time calcination is performed at 450-550 DEG C in an inert atmosphere.

A method for producing methane with excellent methane selectivity is provided. [Solution] A method for producing methane using a carbon dioxide electrolysis cell including a carbon dioxide reduction electrode and an electrolyte, wherein the carbon dioxide reduction electrode has, in that order, a cathode gas diffusion layer and a cathode catalyst layer that has been treated to be water repellent, and the method includes step A of supplying carbon dioxide from the cathode gas diffusion layer side and water from the electrolyte side to the cathode catalyst layer of the carbon dioxide reduction electrode in a temperature environment exceeding 0°C and not exceeding 50°C, and applying electricity.

The application relates to a Fe-N-C fuel cell cathode catalyst and a preparation method and application thereof, relates to the technical field of proton exchange membrane fuel cells, and solves the technical problems that the preparation process of an existing Fe-N-C fuel cell cathode catalyst is complex, metal source utilization is insufficient, Fe-N4 active sites are poor in accessibility, and a pore structure is difficult to meet the mass transfer demand of a membrane electrode, thereby limiting the actual PEMFC performance. A mixed solution containing metal zinc salt and metal iron salt is mixed with a 2-methyl imidazole solution, an Fe / Zn-ZIF-8 precursor is obtained through post-treatment, the Fe / Zn-ZIF-8 precursor is subjected to pre-oxidation treatment under air condition, an intermediate is obtained, the intermediate is subjected to annealing treatment, and the Fe-N-C fuel cell cathode catalyst is obtained. The application can be applied to the field of proton exchange membrane fuel cells, and can effectively improve the output performance and durability of a membrane electrode.

The invention relates to an electrochemical selective oxidation method of butanone, which is carried out in an electrolysis system and specifically comprises the following steps: (1) an anode chamber of the electrolysis system comprises an anode electrolyte and an anode electrode, and the surface of the anode electrode comprises an anode catalyst; and (2) mixed gas of O2 and butanone is introduced into a cathode chamber of the electrolysis system, two-electron redox reaction is carried out on the surface of a cathode catalyst of a cathode electrode to reduce O2 into H2O2, the generated H2O2 and butanone react on the interface of the cathode catalyst, a target organic compound is selectively generated, and the cathode catalyst comprises a carbon-based material. The invention aims to solve the three core problems of poor selectivity, serious pollution and low safety in the traditional butanone oxidation process, and compared with the traditional strong oxidation process, the method adopts an electrochemical synthesis path, takes electrons as a cleaning reagent, realizes high-precision selective control on the butanone oxidation path, can directionally generate a high-value product, and has the advantages of high product yield and high product quality. And the problems of complex product and difficult separation in the traditional process are fundamentally avoided.

The invention discloses a low-energy-consumption solid fuel cell type oxygen sensor and a preparation method thereof. The low-energy-consumption solid fuel cell type oxygen sensor comprises a membrane electrode component, and the membrane electrode component comprises a first conductive substrate, an anode catalyst layer, a solid electrolyte layer, a cathode catalyst layer and a second conductive substrate which are sequentially stacked. The solid electrolyte layer is used for separating the anode catalyst layer and the cathode catalyst layer and conducting protons, a preparation material of the anode catalyst layer and a preparation material of the cathode catalyst layer respectively comprise carrier materials loaded with catalytic metal particles, and the anode catalyst layer is used for carrying out oxidation reaction; and the cathode catalyst layer is used for oxygen to generate electrochemical reduction reaction. The low-energy-consumption solid-state fuel cell type oxygen sensor is free of an external power supply, all-solid-state, long in service life and high in stability.

An object of the present disclosure is to provide a membrane electrode assembly excellent in durability.SOLUTION: The present embodiment is a membrane electrode assembly, wherein the membrane electrode assembly comprises a metal ion selected from a cerium ion and a manganese ion, and a crown ether compound or a salt thereof capable of forming a clathrate compound with the metal ion, the cathode catalyst layer comprises an electrode catalyst and an electrolyte, the electrode catalyst is a metal-supporting carrier in which metal particles having catalytic activity are supported on a carrier having pores, the surface area inside / outside ratio is 1.20 or less, and the particle number inside / outside ratio is 0.70 or less.SELECTED DRAWING: None

The invention discloses an iron monatomic catalyst with axial modification and a preparation method and application thereof, and belongs to the technical field of catalysts for battery positive electrodes. A preparation method of an iron monatomic catalyst with axial modification comprises the following steps: mixing an iron source, dimethylimidazole and ammonium chloride in an alcohol organic solvent, and then adding cellulose to obtain a mixed solution; carrying out a hydrothermal reaction on the mixed solution, and after the hydrothermal reaction is finished, carrying out first calcination in an inert gas atmosphere to obtain FeN4 / CC; carrying out chelating treatment on FeN4 / CC by taking phytic acid as an etching agent to obtain a chelated product; and calcining for the second time in an inert gas atmosphere to obtain the iron monatomic catalyst with axial modification. The catalyst prepared by the invention has extremely high ORR catalytic activity, has very good power density and cycle life when being used as a zinc-air battery cathode catalyst, and is an innovation in the aspect of catalysts for zinc-air electrodes.

The application discloses a kind of one-step two-stage hot-pressing transfer printing preparation membrane electrode method.It includes the following steps:S1, cathode catalyst slurry is coated to first transfer substrate to form cathode catalytic layer, and anode catalyst slurry is coated to second transfer substrate to form anode catalytic layer;S2, first paving layer, second transfer substrate formed with anode catalytic layer, proton exchange membrane, first transfer substrate formed with cathode catalytic layer and second paving layer are sequentially stacked and paved on hot press, first hot-pressing treatment, second hot-pressing treatment are sequentially executed, and the cathode catalytic layer and anode catalytic layer are arranged close to the proton exchange membrane;Wherein, the processing pressure of the first hot-pressing treatment is less than the processing pressure of second hot-pressing treatment, and the processing time of the first hot-pressing treatment is greater than or equal to the processing time of second hot-pressing treatment.The method of the application can improve the transfer printing rate of catalytic layer, while retaining the initial pore structure of catalytic layer to the greatest extent, and improve the peak power density of membrane electrode.

The application relates to the electrolysis field and discloses a catalyst-coated membrane assembly manufacturing method and an electrolysis module, wherein the catalyst-coated membrane assembly manufacturing method comprises the following steps: activating the surface of a proton exchange membrane, so that the surface of the proton exchange membrane is formed with first active groups; modifying catalyst slurry, so that the catalyst slurry is formed with second active groups, the second active groups are complementary to the first active groups; transferring the modified catalyst slurry from a transfer film to the two sides of the activated proton exchange membrane, and forming an anode catalyst layer and a cathode catalyst layer on the two sides of the proton exchange membrane respectively. The application realizes the close combination of catalyst active sites and mass transfer channels, greatly reduces the interface impedance, enables higher current density under the same working voltage, significantly improves the utilization rate of the catalyst, greatly improves the hydrogen production rate of the formed electrolysis module, and shortens the waiting time required for reaching the target hydrogen concentration in the civil hydrogen production scene.

This invention relates to the field of fuel cell technology, specifically a method for preparing a membrane electrode including an anode catalyst layer that induces water distribution. The method includes the following steps: a water-isopropanol mixture is mixed as a solvent, and a hydrophobically treated platinum-based catalyst and ion exchange resin are added and pre-dispersed to obtain an intermediate slurry; a hydrophilic carbon fiber (CF)-supported anti-reverse electrode agent, IrO2 / CF, is added to the pre-ground slurry for secondary dispersion to obtain a final slurry; the final slurry is coated onto a PTFE substrate and dried to obtain an anode catalyst layer; a commercial catalyst and ion exchange resin are mixed in a water-alcohol solvent, dispersed to obtain a cathode slurry, coated onto a PTFE substrate, and dried to obtain a cathode catalyst layer; the catalyst layer is transferred to both sides of a proton exchange membrane to obtain a membrane electrode. This invention can drive liquid water away from the platinum active region and distribute it in a large-pore hydrophilic region with excellent mass transfer conditions formed by IrO2 / CF, providing liquid water not only for anti-reverse electrode but also preventing damage to the Pt / C electrochemical active region from low-temperature freezing.

The present embodiment is a fuel cell including at least a membrane electrode assembly including an electrolyte membrane, an anode catalyst layer disposed on one surface of the electrolyte membrane, and a cathode catalyst layer disposed on the other surface of the electrolyte membrane, wherein the cathode catalyst layer includes at least an electrochemical oxygen reduction electrode catalyst including a catalyst metal having oxygen reduction activity and a modifier that modifies the catalyst metal, wherein the modifier is at least one selected from a nitrogen-containing cyclic organic compound and a polymer thereof, and includes a decomposition inhibitor that suppresses decomposition of the modifier in at least one selected from an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer.

System and methods for recovering a used battery material from a used battery material using an electrochemical reactor in which the solid-state anode reactant is derived from one or more components of the used battery, are disclosed. The method includes providing a solid-state anode reactant including the used battery material; placing the solid-state anode reactant between an anode current collector and a cation exchange membrane in an electrochemical reactor, applying a voltage to the electrochemical reactor; and collecting a recovered material from a product stream. The electrochemical reactor includes: a cathode compartment with a cathode current collector and a cathode catalyst; an anode compartment with the anode current collector and the solid-state anode reactant; the cation exchange membrane, where the cation exchange membrane is disposed between the cathode compartment and the anode compartment; a feed stream fluidly connected to the cathode compartment; and a product stream fluidly connected to the cathode compartment.

The invention provides a method for high-efficiency electrocatalytic reduction of carbon dioxide by an ionic liquid system cooperating with a cadmium sulfide catalyst. The electrocatalytic reduction process of the method is carried out by placing a three-electrode system in an H-shaped electrolytic cell filled with ionic liquid. The three-electrode system comprises a reference electrode, a counter electrode and a working electrode, the silver / silver ion electrode is the reference electrode, the platinum net electrode is the counter electrode, and a cadmium sulfide catalyst which is loaded on carbon paper and has a large specific surface area and high conductivity is the working electrode. The method specifically comprises the following steps: mixing a cadmium sulfide catalyst with acetone, adding a Nafion solution, carrying out ultrasonic treatment to obtain a uniformly mixed suspension, uniformly dispensing the suspension on carbon paper, and naturally airing at room temperature to obtain a working electrode; and placing the working electrode in the ionic liquid-acetonitrile-aqueous solution electrolyte, and continuously introducing carbon dioxide gas to carry out a constant-potential electrochemical reduction reaction. The electro-catalysis system is easy to operate and mild in reaction condition, the preparation method of the cathode catalyst is simple, industrial development value is achieved, and an important and practical way is provided for fixation and recycling of carbon dioxide.

The invention relates to a membrane electrode of a polymer electrolyte membrane fuel cell, in particular to a membrane electrode as well as preparation and application thereof. The method comprises the following steps: 1, fixing two gas diffusion layers on a heating table for preheating; 2, spraying a cathode catalyst on the surface of one side of one gas diffusion layer, and spraying an anode catalyst on the surface of one side of the other gas diffusion layer; immediately spraying an organic hydrophilic substance dissolved by using an organic solvent after the cathode catalyst and the anode catalyst are sprayed; and step 3, soaking the prepared cathode gas diffusion electrode, anode gas diffusion electrode and anion exchange membrane in alkali liquor, treating for 1.5-48 hours at the room temperature of-80 DEG C, cooling to room temperature, washing, stacking and hot-pressing to prepare the membrane electrode. According to the invention, the hydrophilic material is coated between the catalyst layer and the alkaline polymer electrolyte membrane or between the gas diffusion electrode and the alkaline polymer electrolyte membrane, so that the conditions of ohmic impedance increase and battery performance reduction caused by excessive water loss of the membrane in the test process of membrane electrode preparation are relieved.

The present invention addresses the problem of providing a membrane catalyst layer structure for water electrolysis, the membrane catalyst layer structure being capable of maintaining good electrolysis performance over a long period of time by improving adhesion between a cathode catalyst layer and a diaphragm that includes a polymer electrolyte membrane. In order to solve the problem, the present invention provides a membrane catalyst layer structure for water electrolysis, the membrane catalyst layer structure comprising at least: a diaphragm that includes a polymer electrolyte; and an anode catalyst layer and a cathode catalyst layer which are disposed so as to face each other with the diaphragm being interposed therebetween. The anode catalyst layer contains elemental iridium, the cathode catalyst layer contains elemental platinum, the cathode catalyst layer additionally contains carbon black and a polymer electrolyte, the ratio (I / C) of the mass (I) of the polymer electrolyte to the mass (C) of the carbon black in the cathode catalyst layer is not less than 0.40 but less than 1.00, and the carbon black contained in the cathode catalyst layer has a volatile content of less than 1.4 mass%.

The purpose of the present disclosure is to provide a membrane electrode assembly having excellent durability. The present embodiment is a membrane electrode assembly containing a metal ion selected from cerium ions and manganese ions, and a crown ether compound capable of forming an inclusion compound with the metal ion or a salt thereof, the cathode catalyst layer containing an electrode catalyst and an electrolyte, the electrode catalyst is a metal-supported carrier in which metal particles having catalytic activity are supported on a carrier having pores, and has a surface area internal-external ratio of 1.20 or less and a particle number internal-external ratio of 0.70 or less.

The invention relates to a multi-layer electrode for the electrolysis of CO2, in particular to a bipolar multi-layer electrode for the stable electrochemical reduction of CO2 to hydrocarbons and a corresponding electrochemical cell. Thus, a multilayer electrode (10) for CO2 electrolysis is proposed, comprising: a gas diffusion layer (12) having a predetermined pore size suitable for CO2 diffusion; a catalyst layer (14) adjacent to the gas diffusion layer (12) and comprising a copper-based cathode catalyst; and a conductive layer (16) adjacent to the catalyst layer (14), where the gas diffusion layer (12), the catalyst layer (14) and the conductive layer (16) together form a gas diffusion electrode, and where the catalyst layer (14) comprises a predetermined amount of anion exchange ionomer (18) and the conductive layer (16) comprises at least one layer comprising a predetermined amount of cation exchange ionomer (24). According to the invention, the electrically conductive layer (16) comprises a graphitic layer (20) comprising a predetermined portion of a cation exchange ionomer (24).

The application belongs to the technical field of fuel cell application, and discloses a polynorbornene-based anion exchange ionomer with double-domain coupled ion channels, a preparation method and application thereof. The polynorbornene-based anion exchange ionomer simultaneously constructs an ion domain rich in cation groups and a synergistic functional domain rich in oxygen-containing functional groups at a molecular scale, the two types of domains are coupled with each other in the material and form a continuous double-domain ion transmission network, so that the ionomer can still maintain a stable and continuous hydrogen and oxygen ion transmission channel under the conditions of a thin layer state of a cathode catalyst layer and limited hydration, and effectively improves the ion transmission connectivity and catalyst utilization efficiency of the catalyst layer interface. The ionomer is suitable for being used as an ion-conducting bonding material of a cathode of an alkaline membrane fuel cell, can improve the oxygen reduction reaction performance of the cathode, and provides a new material and structural design idea for a low-noble metal loading and high-power density fuel cell electrode structure design.

A microporous catalytic layer of a fuel cell for a space power supply and a preparation method therefor. A cathode catalyst slurry comprises a Pt / metal oxide catalyst, a perfluorosulfonic acid ionomer, ultrapure water, and isopropyl alcohol; and an anode catalyst slurry comprises an IrO2-Pt / metal oxide catalyst, a perfluorosulfonic acid ionomer, ultrapure water, and isopropyl alcohol. The particle sizes of the Pt / metal oxide catalyst and the IrO2-Pt / metal oxide catalyst in the catalytic layer are in a gradient distribution; and the mass ratio of the perfluorosulfonic acid ionomer to a metal oxide carrier in both the anode catalyst slurry and the cathode catalyst slurry in the catalytic layer is in a gradient distribution, wherein the mass ratio of the perfluorosulfonic acid ionomer to ultrapure water and isopropyl alcohol is unchanged. The microporous catalytic layer of a fuel cell for a space power supply has high catalytic activity and strong durability, and can allow water generated in the catalytic layer to be directionally discharged, thereby enhancing the water management capability of a membrane electrode assembly under a space microgravity condition.

The present application belongs to the technical field of fuel cell science and technology, and particularly relates to an oxygen reduction catalyst of carbon nanotube / covalent organic framework compound coupled polyaniline conductive polymer and a preparation method and application thereof. The present application takes thionine and 1,3,5-tri(p-formylphenyl)benzene as raw materials, prepares a covalent organic framework compound through a solvothermal synthesis method, combines the covalent organic framework compound with carbon nanotubes, and uses an in-situ chemical oxidation polymerization method to prepare a polyaniline-coated carbon nanotube / covalent organic framework compound material, so as to form a carbon nanotube / covalent organic framework compound coupled polyaniline conductive polymer functional material modified fuel cell cathode which has high conductivity and porosity. The method of the present application has low cost and strong operability. The prepared oxygen reduction catalyst has superior oxygen reduction catalytic performance, exhibits good electrochemical activity and stability, and can be used as a fuel cell cathode catalyst to improve the electrochemical performance in actual application.

The present invention relates to NiMo-MoO prepared based on a metal-organic framework. 3-x This article relates to a method for producing a porous nanorod catalyst and a non-precious metal alloy catalyst produced thereby. The method for producing a non-precious metal alloy catalyst according to the present invention combines an alloy and an oxide to form nanorods that are porous and have a large surface area, enabling the production of an alloy catalyst with excellent HER performance comparable to that of commercial platinum catalysts.