Patents by Inventor Jianjun Wei
Jianjun Wei 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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Patent number: 12559846Abstract: A method of enhancing efficiency of an oxygen evolution reaction (OER), oxygen reduction reaction (ORR), or hydrogen evolution reaction (HER) comprises increasing total number electron pathway and/or reaction kinetics of the OER, ORR, or HER by coating one or more surfaces of an electrode participating in the OER, ORR, or HER with one or more metal oxides.Type: GrantFiled: August 22, 2019Date of Patent: February 24, 2026Assignee: The University of North Carolina at GreensboroInventor: Jianjun Wei
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Patent number: 12078595Abstract: In one aspect, nanoplasmonic devices are described herein. In some embodiments, a nanoplasmonic device comprises a radiation transmissive substrate, a metal layer positioned on the substrate and at least one aperture extending through the metal layer to the radiation transmissive substrate, wherein width of the aperture decreases with increasing depth of the aperture.Type: GrantFiled: April 9, 2020Date of Patent: September 3, 2024Assignee: THE UNIVERSITY OF NORTH CAROLINA AT GREENSBOROInventor: Jianjun Wei
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Patent number: 11915871Abstract: In one aspect, separator-free energy storage devices are disclosed. Such devices comprise a first electrode and a second electrode. In some embodiments, the first electrode is opposite the second electrode. The first and/or second electrodes are formed from a nanocomposite material. The nanocomposite material includes plurality of carbon nanostructures, each of which is at least partially coated with a layer of material comprising a transition metal oxide. In some embodiments, the coating layer is uniform or substantially uniform in one or more properties.Type: GrantFiled: March 29, 2018Date of Patent: February 27, 2024Assignee: THE UNIVERSITY OF NORTH CAROLINA AT GREENSBOROInventors: Jianjun Wei, Yiyang Liu, Zheng Zeng
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Publication number: 20220262578Abstract: In one aspect, separator-free energy storage devices are disclosed. Such devices comprise a first electrode and a second electrode. In some embodiments, the first electrode is opposite the second electrode. The first and/or second electrodes are formed from a nanocomposite material. The nanocomposite material includes plurality of carbon nanostructures, each of which is at least partially coated with a layer of material comprising a transition metal oxide. In some embodiments, the coating layer is uniform or substantially uniform in one or more properties.Type: ApplicationFiled: March 29, 2018Publication date: August 18, 2022Inventors: Jianjun WEI, Yiyang LIU, Zheng ZENG
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Publication number: 20210198792Abstract: A method of enhancing efficiency of an oxygen evolution reaction (OER), oxygen reduction reaction (ORR), or hydrogen evolution reaction (HER) comprises increasing total number electron pathway and/or reaction kinetics of the OER, ORR, or HER by coating one or more surfaces of Uniform an electrode participating in the OER, ORR, or HER with one or more metal oxides.Type: ApplicationFiled: August 22, 2019Publication date: July 1, 2021Inventor: Jianjun Wei
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Publication number: 20210071983Abstract: The invention relates to the technical field of crossbow, specifically relating to a winch winding trigger assembly system comprising a pulley and trigger-releasing system; said trigger-releasing system includes a shell and winding ratchet mechanism, trigger mechanism, security slide block in inner cavity of shell; said winding ratchet mechanism includes reel and ratchet, pawl, pawl spring for driving spring and locking ratchet, trigger lock rod for driving pawl and unlocking ratchet fixedly assembled with reel; said trigger mechanism comprises locking hook and its coordinating trigger, locking hook spring for driving locking hook to reset; said security slide block can drive trigger lock rod to slide along inner cavity of shell; said pulley is connected with reel through pulley traction line.Type: ApplicationFiled: March 31, 2020Publication date: March 11, 2021Inventor: Jianjun Wei
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Publication number: 20200256794Abstract: In one aspect, nanoplasmonic devices are described herein. In some embodiments, a nanoplasmonic device comprises a radiation transmissive substrate, a metal layer positioned on the substrate and at least one aperture extending through the metal layer to the radiation transmissive substrate, wherein width of the aperture decreases with increasing depth of the aperture.Type: ApplicationFiled: April 9, 2020Publication date: August 13, 2020Inventor: Jianjun WEI
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Patent number: 10620120Abstract: In one aspect, nanoplasmonic devices are described herein. In some embodiments, a nanoplasmonic device comprises a radiation transmissive substrate, a metal layer positioned on the substrate and at least one aperture extending through the metal layer to the radiation transmissive substrate, wherein width of the aperture decreases with increasing depth of the aperture.Type: GrantFiled: June 30, 2017Date of Patent: April 14, 2020Assignee: The University of North Carolina at GreensboroInventor: Jianjun Wei
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Patent number: 9994725Abstract: The present disclosure provides an aqueous based electrically conductive ink, which is essentially solvent free and includes a nano-scale conducting material; a binding agent; and an enzyme. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the present disclosure provides electrically conductive ink including a single walled, carboxylic acid functionalized carbon nanotube; 1-Ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride and N-hydroxy succinimide (NHS) ester; polyethyleneimine; an aqueous buffer; and glucose oxidase.Type: GrantFiled: March 5, 2014Date of Patent: June 12, 2018Assignee: CFD Research Corporation, Inc.Inventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal, Yevgenia Ulyanova
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Publication number: 20180003632Abstract: In one aspect, nanoplasmonic devices are described herein. In some embodiments, a nanoplasmonic device comprises a radiation transmissive substrate, a metal layer positioned on the substrate and at least one aperture extending through the metal layer to the radiation transmissive substrate, wherein width of the aperture decreases with increasing depth of the aperture.Type: ApplicationFiled: June 30, 2017Publication date: January 4, 2018Inventor: Jianjun WEI
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Publication number: 20170280268Abstract: The present disclosure relates to a method and electronic device for processing data. The method includes: invoking a changing module in a terminal; obtaining to-be-sent data on the terminal by the changing module; establishing NFC connection between the terminal and a preset receiving terminal; and sending the to-be-sent data to the preset receiving terminal by the NFC. Thus, when a user wants to transfer related data in an old phone to a new phone, by the above method, the related data in the old phone may be sent to the new phone quickly through the NFC connection, thereby avoiding complex operation in known techniques.Type: ApplicationFiled: August 19, 2016Publication date: September 28, 2017Inventor: Jianjun Wei
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Publication number: 20170192750Abstract: The application provides a numeric conversion method, an electronic device, and a mobile phone. The numeric conversion method includes: first, acquiring the type of language used by a user; acquiring decimal counting units corresponding to the type of language used by the user; determining a position for adding one or more decimal counting units corresponding to the type of language used by the user into a numeric value, the numeric value comprising a numeric value input by the user and a numeric value obtained by operation; and at each position, adding a decimal counting unit corresponding to the position to obtain a converted numeric value. Therefore, the type of language used by a user can be recognized, and numeric conversion can be adaptively adjusted according to the type of language used by the user, to meet the reading requirements of different users, and facilitate users' reading, thereby avoiding the phenomenon of incorrect input or incorrect reading, and improving the user experience.Type: ApplicationFiled: August 23, 2016Publication date: July 6, 2017Inventor: Jianjun Wei
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Publication number: 20170062861Abstract: The present disclosure provides a method of generating electricity from a long chain hydrocarbon, said method comprising contacting the liquid non-polar substrate with a plurality of enzymes, wherein at least one enzyme is non-electric current/potential enzyme that functions as a catalyst for chemical reaction transforming a first substrate or byproduct to a second substance that can be used with an additional electric current/potential generating enzyme.Type: ApplicationFiled: November 14, 2016Publication date: March 2, 2017Inventors: Yevgenia Ulyanova, Shelley Minteer, Sameer Singhal, Vojtech Svoboda, Jianjun Wei
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Patent number: 9509009Abstract: The present disclosure provides a method of generating electricity from a long chain hydrocarbon, said method comprising contacting the liquid non-polar substrate with a plurality of enzymes, wherein at least one enzyme is non-electric current/potential enzyme that functions as a catalyst for chemical reaction transforming a first substrate or byproduct to a second substance that can be used with an additional electric current/potential generating enzyme.Type: GrantFiled: April 25, 2014Date of Patent: November 29, 2016Assignee: CFD Research CorporationInventors: Yevgenia Ulyanova, Shelley Minteer, Sameer Singhal, Vojtech Svoboda, Jianjun Wei
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Publication number: 20150050566Abstract: The present disclosure provides a method of generating electricity from a long chain hydrocarbon, said method comprising contacting the liquid non-polar substrate with a plurality of enzymes, wherein at least one enzyme is non-electric current/potential enzyme that functions as a catalyst for chemical reaction transforming a first substrate or byproduct to a second substance that can be used with an additional electric current/potential generating enzyme.Type: ApplicationFiled: April 25, 2014Publication date: February 19, 2015Applicant: CFD Research CorporationInventors: Yevgenia Ulyanova, Shelley Minteer, Sameer Singhal, Vojtech Svoboda, Jianjun Wei
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Publication number: 20140183416Abstract: The present disclosure provides an aqueous based electrically conductive ink, which is essentially solvent free and includes a nano-scale conducting material; a binding agent; and an enzyme. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the present disclosure provides electrically conductive ink including a single walled, carboxylic acid functionalized carbon nanotube; 1-Ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride and N-hydroxy succinimide (NHS) ester; polyethyleneimine; an aqueous buffer; and glucose oxidase.Type: ApplicationFiled: March 5, 2014Publication date: July 3, 2014Applicant: CFD Research CorporationInventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal, Yevgenia Ulyanova
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Patent number: 8703022Abstract: The present disclosure provides an aqueous based electrically conductive ink, which is essentially solvent free and includes a nano-scale conducting material; a binding agent; and an enzyme. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the present disclosure provides electrically conductive ink including a single walled, carboxylic acid functionalized carbon nanotube; 1-Ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride and N-hydroxy succinimide (NHS) ester; polyethyleneimine; an aqueous buffer; and glucose oxidase.Type: GrantFiled: June 8, 2011Date of Patent: April 22, 2014Assignee: CFD Research CorporationInventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal
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Patent number: 8685286Abstract: The present disclosure provides an electrode including an electrically conductive ink deposited thereon comprising: a nano-scale conducting material; a binding agent; and an enzyme; wherein said ink is essentially solvent free. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the electrode provided herein is used in a battery, fuel cell or sensor.Type: GrantFiled: June 8, 2011Date of Patent: April 1, 2014Assignee: CFD Research CorporationInventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal
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Publication number: 20120315552Abstract: The present disclosure provides an electrode including an electrically conductive ink deposited thereon comprising: a nano-scale conducting material; a binding agent; and an enzyme; wherein said ink is essentially solvent free. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the electrode provided herein is used in a battery, fuel cell or sensor.Type: ApplicationFiled: June 8, 2011Publication date: December 13, 2012Inventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal
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Publication number: 20120313054Abstract: The present disclosure provides an aqueous based electrically conductive ink, which is essentially solvent free and includes a nano-scale conducting material; a binding agent; and an enzyme. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the present disclosure provides electrically conductive ink including a single walled, carboxylic acid functionalized carbon nanotube; 1-Ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride and N-hydroxy succinimide (NHS) ester; polyethyleneimine; an aqueous buffer; and glucose oxidase.Type: ApplicationFiled: June 8, 2011Publication date: December 13, 2012Inventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal