Patents by Inventor Siyu Ye
Siyu Ye has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240079604Abstract: A multifunctional mixed oxide electrocatalyst material including a metal oxide A with oxygen storage capacity and a metal oxide B with oxygen evolution reaction is prepared by two-steps hydrothermal reactions. The electrocatalyst material is a good free radical scavenger, oxygen evolution reagent and able to alleviate carbon monoxide poisoning on catalyst, when it is applied in a membrane electrode assembly for fuel cells.Type: ApplicationFiled: September 7, 2022Publication date: March 7, 2024Inventors: Hongliang AO, Yunsong YANG, Yun CAI, Siyu YE, Yuquan ZOU, Junke TANG, Ning SUN
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Patent number: 11764366Abstract: A cathode of a battery including an electrolyte membrane, containing a first layer which contains 0.3 mg/cm2 or more and 9.0 mg/cm2 or less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cm2 or more and 0.190 mg/cm2 or less of platinum. The carbon catalyst has a ratio of a mesopore volume to a total pore volume of 30% or more.Type: GrantFiled: June 1, 2022Date of Patent: September 19, 2023Assignee: NISSHINBO HOLDINGS INC.Inventors: Takeaki Kishimoto, Yoshikazu Kobayashi, Chihiro Fujii, Siyu Ye, Dustin William H Banham
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Publication number: 20220359885Abstract: An anode catalyst layer with high reversal tolerant capability includes an anode inner catalyst layer close to a proton exchange membrane and an anode outer catalyst layer close to a gas diffusion layer. At least the anode inner catalyst layer contains a reversal tolerant catalyst and a hydrophilic additive. The content of the hydrophilic additive in the anode inner catalyst layer is not less than that of the anode outer catalyst layer, or the water retention capability of the anode inner catalyst layer is not less than that of the anode outer catalyst layer.Type: ApplicationFiled: May 6, 2022Publication date: November 10, 2022Inventors: Mingquan ZHAO, Shanyun MO, Jiaqiang ZHONG, Yunsong YANG, Siyu YE, Yuquan ZOU, Junke TANG, Ning SUN
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Publication number: 20220293968Abstract: A cathode of a battery including an electrolyte membrane, containing a first layer which contains 0.3 mg/cm2 or more and 9.0 mg/cm2 or less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cm2 or more and 0.190 mg/cm2 or less of platinum. The carbon catalyst has a ratio of a mesopore volume to a total pore volume of 30% or more.Type: ApplicationFiled: June 1, 2022Publication date: September 15, 2022Applicant: NISSHINBO HOLDINGS INC.Inventors: Takeaki Kishimoto, Yoshikazu Kobayashi, Chihiro Fujii, Siyu Ye, Dustin William H Banham
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Publication number: 20220278334Abstract: A membrane electrode assembly comprises a polymer electrolyte interposed between an anode electrode and a cathode electrode, the anode electrode comprising an anode catalyst layer adjacent at least a portion of a first major surface of the polymer electrolyte, the cathode electrode comprising a cathode catalyst layer adjacent at least a portion of a second major surface of the polymer electrolyte; at least one of the anode and cathode catalyst layers comprising: a first catalyst composition comprising a noble metal; and a second composition comprising a metal oxide; wherein the second composition has been treated with a fluoro-phosphonic acid compound.Type: ApplicationFiled: May 16, 2022Publication date: September 1, 2022Inventors: Rajesh BASHYAM, Ping HE, Siyu YE
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Patent number: 11431014Abstract: A membrane electrode assembly comprises an anode electrode comprising an anode catalyst layer and an anode gas diffusion layer, a cathode electrode comprising a cathode catalyst layer and a cathode gas diffusion layer, a polymer electrolyte membrane interposed between the anode catalyst layer and the cathode catalyst layer, and a layer comprising a fluoroalkyl-phosphonic acid compound between at least one of the anode gas diffusion layer and the anode catalyst layer, the anode catalyst layer and the polymer electrolyte membrane, the polymer electrolyte membrane and the cathode catalyst layer, and the cathode catalyst layer and the cathode gas diffusion layer.Type: GrantFiled: July 17, 2018Date of Patent: August 30, 2022Assignee: Ballard Power Systems Inc.Inventors: Rajesh Bashyam, Ping He, Siyu Ye
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Patent number: 11387465Abstract: A cathode, a membrane electrode assembly, and a battery, each has excellent durability. The cathode is a cathode of a battery including an electrolyte membrane, the cathode including: a first layer which contains 0.3 mg/cm2 or more and 9.0 mg/cm2 or less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cm2 or more and 0.190 mg/cm2 or less of platinum.Type: GrantFiled: November 16, 2017Date of Patent: July 12, 2022Assignee: NISSHINBO HOLDINGS INC.Inventors: Takeaki Kishimoto, Yoshikazu Kobayashi, Chihiro Fujii, Siyu Ye, Dustin William H Banham
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Patent number: 11367878Abstract: A membrane electrode assembly comprises a polymer electrolyte interposed between an anode electrode and a cathode electrode, the anode electrode comprising an anode catalyst layer adjacent at least a portion of a first major surface of the polymer electrolyte, the cathode electrode comprising a cathode catalyst layer adjacent at least a portion of a second major surface of the polymer electrolyte; at least one of the anode and cathode catalyst layers comprising: a first catalyst composition comprising a noble metal; and a second composition comprising a metal oxide; wherein the second composition has been treated with a fluoro-phosphonic acid compound.Type: GrantFiled: July 31, 2017Date of Patent: June 21, 2022Assignee: BALLARD POWER SYSTEMS INC.Inventors: Rajesh Bashyam, Ping He, Siyu Ye
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Publication number: 20220190353Abstract: The invention relates to the field of fuel cells, and in particular to a method for preparing highly stable catalyst coating slurry for fuel cells. The method for preparing highly stable catalyst coating slurry for fuel cells, includes at least two mixing and dispersing steps. The first mixing and dispersing step is carried out to mix and disperse the catalyst, perfluorosulfonic acid resin and solvent to obtain a first-stage mixed dispersion, and the other mixing and dispersing steps are carried out to mix and disperse the previous-stage mixed dispersion and the newly added perfluorosulfonic acid resin, wherein at least one mixing and dispersing step has a surfactant is added for mixing and dispersing. The catalyst in the catalyst slurry prepared by the method has good dispersion stability and less sedimentation, and good performance is achieved when the catalyst slurry is applied to membrane electrodes.Type: ApplicationFiled: February 17, 2022Publication date: June 16, 2022Applicant: SINOHYKEY TECHNOLOGY GUANGZHOU CO. LTD.Inventors: Mingquan ZHAO, Shanyun MO, Jiaqiang ZHONG, Yunsong YANG, Siyu YE, Yuquan ZOU, Junke TANG, Dennis SUN, Tom WU
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Patent number: 11258072Abstract: A catalyst layer (20) for a fuel cell and to a method suitable for producing the catalyst layer (20). The catalyst layer (20) includes a catalyst material (22) containing a catalytic material (24) and optionally porous carrier material (23) on which the catalytic material (24) is supported. The catalyst layer also includes mesoporous particles (21) made from hydrophobic material.Type: GrantFiled: December 18, 2014Date of Patent: February 22, 2022Assignee: Audi AGInventors: Dustin Banham, Brooks Friess, Siyu Ye
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Patent number: 11239471Abstract: A membrane electrode assembly including: an anode electrode; a cathode electrode; and a polymer electrolyte membrane; wherein the cathode includes a first cathode catalyst sublayer including a first precious metal catalyst composition and a first ionomer composition including a first ionomer and a second ionomer; and a second cathode catalyst sublayer including a second precious metal catalyst composition and a second ionomer composition including a third ionomer; wherein the first ionomer is different from the second ionomer in at least one of chemical structure and equivalent weight.Type: GrantFiled: September 29, 2017Date of Patent: February 1, 2022Assignee: BALLARD POWER SYSTEMS INC.Inventors: Siyu Ye, Alexander Man-Chung Leung, Kyoung Bai, Dustin William H. Banham, Alan Young
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Patent number: 11177484Abstract: A battery cathode, a composition for a catalyst layer of a battery cathode, and a battery, each achieves excellent performance while using a non-platinum catalyst. The battery cathode includes a catalyst layer, wherein the catalyst layer contains a non-platinum catalyst, has a thickness of 15 ?m or more, and has a conductance per 1 cm2 of an electrode area of more than 100 S and less than 350 S.Type: GrantFiled: May 10, 2017Date of Patent: November 16, 2021Assignee: NISSHINBO HOLDINGS INC.Inventors: Takeaki Kishimoto, Dustin William H Banham, Siyu Ye, Katie Ling Pei, Kyoung Bai
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Publication number: 20210175515Abstract: A cathode, a membrane electrode assembly, and a battery, each has excellent durability. The cathode is a cathode of a battery including an electrolyte membrane, the cathode including: a first layer which contains 0.3 mg/cm2 or more and 9.0 mg/cm2 or less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cm2 or more and 0.190 mg/cm2 or less of platinum.Type: ApplicationFiled: November 16, 2017Publication date: June 10, 2021Applicant: NISSHINBO HOLDINGS INC.Inventors: Takeaki KISHIMOTO, Yoshikazu KOBAYASHI, Chihiro FUJII, Siyu YE, Dustin William H BANHAM
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Patent number: 11005107Abstract: A method for improving the performance and/or stability of non-precious metal catalysts in fuel cells and other electrochemical devices. Improved membrane electrode assemblies (MEAs) and fuel cells containing the same are provided. Such MEAs include a catalyst layer made up of at least two sub-layers containing ionomers of differing equivalent weights. The sub-layers may optionally contain mixtures of ionomers. Also provided are methods of making and using the described devices.Type: GrantFiled: September 29, 2017Date of Patent: May 11, 2021Assignee: NISSHINBO HOLDINGS INC.Inventors: Dustin William H Banham, Siyu Ye, Takeaki Kishimoto, Kyoung Bai
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Publication number: 20200235415Abstract: A membrane electrode assembly comprises a polymer electrolyte interposed between an anode electrode and a cathode electrode, the anode electrode comprising an anode catalyst layer adjacent at least a portion of a first major surface of the polymer electrolyte, the cathode electrode comprising a cathode catalyst layer adjacent at least a portion of a second major surface of the polymer electrolyte; at least one of the anode and cathode catalyst layers comprising: a first catalyst composition comprising a noble metal; and a second composition comprising a metal oxide; wherein the second composition has been treated with a fluoro-phosphonic acid compound.Type: ApplicationFiled: July 17, 2018Publication date: July 23, 2020Inventors: Rajesh BASHYAM, Ping HE, Siyu YE
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Publication number: 20200212452Abstract: A catalytic composition for producing a fuel cell electrode comprises a catalytically active material in particulate form, for example platinum, a carbon nanomaterial which is coated with a first ionomer, as well as a binding agent composition in which the catalytically active material and the coated carbon nanomaterial are present in dispersed form, wherein the binding agent composition comprises a second ionomer and the first and second ionomers are the same or different. The composition is used to produce a catalytic layer of a fuel cell electrode for a fuel cell.Type: ApplicationFiled: July 20, 2018Publication date: July 2, 2020Inventors: Siyu YE, Kyoung BAI, Dustin William H. BANHAM, Rajesh BASHYAM, Alan Patrick YOUNG
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Publication number: 20200036012Abstract: A membrane electrode assembly including: an anode electrode; a cathode electrode; and a polymer electrolyte membrane; wherein the cathode includes a first cathode catalyst sublayer including a first precious metal catalyst composition and a first ionomer composition including a first ionomer and a second ionomer; and a second cathode catalyst sublayer including a second precious metal catalyst composition and a second ionomer composition including a third ionomer; wherein the first ionomer is different from the second ionomer in at least one of chemical structure and equivalent weight.Type: ApplicationFiled: September 29, 2017Publication date: January 30, 2020Inventors: Siyu YE, Alexander Man-Chung LEUNG, Kyoung BAI, Dustin William H. BANHAM, Alan YOUNG
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Publication number: 20190305323Abstract: A battery cathode, a composition for a catalyst layer of a battery cathode, and a battery, each achieves excellent performance while using a non-platinum catalyst. The battery cathode includes a catalyst layer, wherein the catalyst layer contains a non-platinum catalyst, has a thickness of 15 ?m or more, and has a conductance per 1 cm2 of an electrode area of more than 100 S and less than 350 S.Type: ApplicationFiled: May 10, 2017Publication date: October 3, 2019Applicant: NISSHINBO HOLDINGS INC.Inventors: Takeaki KISHIMOTO, Dustin William H BANHAM, Siyu YE, Katie Ling PEI, Kyoung BAI
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Publication number: 20190207225Abstract: A method for improving the performance and/or stability of non-precious metal catalysts in fuel cells and other electrochemical devices. Improved membrane electrode assemblies (MEAs) and fuel cells containing the same are provided. Such MEAs include a catalyst layer made up of at least two sub-layers containing ionomers of differing equivalent weights. The sub-layers may optionally contain mixtures of ionomers. Also provided are methods of making and using the described devices.Type: ApplicationFiled: September 29, 2017Publication date: July 4, 2019Applicant: NISSHINBO HOLDINGS INC.Inventors: Dustin William H BANHAM, Siyu YE, Takeaki KISHIMOTO, Kyoung BAI
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Publication number: 20190181457Abstract: A membrane electrode assembly comprises a polymer electrolyte interposed between an anode electrode and a cathode electrode, the anode electrode comprising an anode catalyst layer adjacent at least a portion of a first major surface of the polymer electrolyte, the cathode electrode comprising a cathode catalyst layer adjacent at least a portion of a second major surface of the polymer electrolyte; at least one of the anode and cathode catalyst layers comprising: a first catalyst composition comprising a noble metal; and a second composition comprising a metal oxide; wherein the second composition has been treated with a fluoro-phosphonic acid compound.Type: ApplicationFiled: July 31, 2017Publication date: June 13, 2019Inventors: Rajesh BASHYAM, Ping HE, Siyu YE