Patents by Inventor Nathaniel S. Hansen
Nathaniel S. Hansen 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: 11728545Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.Type: GrantFiled: June 28, 2021Date of Patent: August 15, 2023Assignee: Cornell UniversityInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Publication number: 20210399384Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.Type: ApplicationFiled: June 28, 2021Publication date: December 23, 2021Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Publication number: 20210283084Abstract: Provided herein are nanofibers and processes of preparing nanofibers. In some instances, the nanofibers are metal and/or ceramic nanofibers. In some embodiments, the nanofibers are high quality, high performance nanofibers, highly coherent nanofibers, highly continuous nanofibers, or the like. In some embodiments, the nanofibers have increased coherence, increased length, few voids and/or defects, and/or other advantageous characteristics. In some instances, the nanofibers are produced by electrospinning a fluid stock having a high loading of nanofiber precursor in the fluid stock. In some instances, the fluid stock comprises well mixed and/or uniformly distributed precursor in the fluid stock. In some instances, the fluid stock is converted into a nanofiber comprising few voids, few defects, long or tunable length, and the like.Type: ApplicationFiled: May 26, 2021Publication date: September 16, 2021Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho
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Patent number: 11050118Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.Type: GrantFiled: July 16, 2018Date of Patent: June 29, 2021Assignee: Cornell UniversityInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Patent number: 10903482Abstract: Lithium-containing nanofibers, as well as processes for making the same, are disclosed herein. In some embodiments described herein, using high throughput (e.g., gas assisted and/or water based) electrospinning processes produce nanofibers of high energy capacity materials with continuous lithium-containing matrices or discrete crystal domains.Type: GrantFiled: January 11, 2018Date of Patent: January 26, 2021Assignee: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Publication number: 20190175536Abstract: Provided herein are nanofibers and processes of preparing nanofibers. In some instances, the nanofibers are metal and/or ceramic nanofibers. In some embodiments, the nanofibers are high quality, high performance nanofibers, highly coherent nanofibers, highly continuous nanofibers, or the like. In some embodiments, the nanofibers have increased coherence, increased length, few voids and/or defects, and/or other advantageous characteristics. In some instances, the nanofibers are produced by electrospinning a fluid stock having a high loading of nanofiber precursor in the fluid stock. In some instances, the fluid stock comprises well mixed and/or uniformly distributed precursor in the fluid stock. In some instances, the fluid stock is converted into a nanofiber comprising few voids, few defects, long or tunable length, and the like.Type: ApplicationFiled: January 3, 2019Publication date: June 13, 2019Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho
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Publication number: 20180331341Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.Type: ApplicationFiled: July 16, 2018Publication date: November 15, 2018Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Publication number: 20180291534Abstract: Provided herein are high performance reinforcing nanostructure additives, high throughput processes for using such additives, and composites comprising such additives. Such nanostructure additives include nanofibers, including nanofiber fragments, of various matrix materials, including metal(s) (e.g., elemental metal(s), metal alloy(s), etc.), metal oxide(s), ceramic(s), metal carbide(s), carbon (e.g., carbon nanocomposites comprising carbon matrix with metal component embedded therein), and/or combinations thereof.Type: ApplicationFiled: June 6, 2018Publication date: October 11, 2018Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Publication number: 20180130999Abstract: Lithium-containing nanofibers, as well as processes for making the same, are disclosed herein. In some embodiments described herein, using high throughput (e.g., gas assisted and/or water based) electrospinning processes produce nanofibers of high energy capacity materials with continuous lithium-containing matrices or discrete crystal domains.Type: ApplicationFiled: January 11, 2018Publication date: May 10, 2018Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Publication number: 20180119313Abstract: Provided herein are nanofibers and processes of preparing carbonaceous nanofibers. In some embodiments, the nanofibers are high quality, high performance nanofibers, highly coherent nanofibers, highly continuous nanofibers, or the like. In some embodiments, the nanofibers have increased coherence, increased length, few voids and/or defects, and/or other advantageous characteristics. In some instances, the nanofibers are produced by electrospinning a fluid stock having a high loading of nanofiber precursor in the fluid stock. In some instances, the fluid stock comprises well mixed and/or uniformly distributed precursor in the fluid stock. In some instances, the fluid stock is converted into a nanofiber comprising few voids, few defects, long or tunable length, and the like.Type: ApplicationFiled: October 24, 2017Publication date: May 3, 2018Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Patent number: 9816206Abstract: Provided herein are nanofibers and processes of preparing carbonaceous nanofibers. In some embodiments, the nanofibers are high quality, high performance nanofibers, highly coherent nanofibers, highly continuous nanofibers, or the like. In some embodiments, the nanofibers have increased coherence, increased length, few voids and/or defects, and/or other advantageous characteristics. In some instances, the nanofibers are produced by electrospinning a fluid stock having a high loading of nanofiber precursor in the fluid stock. In some instances, the fluid stock comprises well mixed and/or uniformly distributed precursor in the fluid stock. In some instances, the fluid stock is converted into a nanofiber comprising few voids, few defects, long or tunable length, and the like.Type: GrantFiled: September 16, 2013Date of Patent: November 14, 2017Assignee: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Publication number: 20170175297Abstract: Provided herein are high performance reinforcing nanostructure additives, high throughput processes for using such additives, and composites comprising such additives. Such nanostructure additives include nanofibers, including nanofiber fragments, of various matrix materials, including metal(s) (e.g., elemental metal(s), metal alloy(s), etc.), metal oxide(s), ceramic(s), metal carbide(s), carbon (e.g., carbon nanocomposites comprising carbon matrix with metal component embedded therein), and/or combinations thereof.Type: ApplicationFiled: March 2, 2017Publication date: June 22, 2017Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Patent number: 9617660Abstract: Provided herein are high performance reinforcing nanostructure additives, high throughput processes for using such additives, and composites comprising such additives. Such nanostructure additives include nanofibers, including nanofiber fragments, of various matrix materials, including metal(s) (e.g., elemental metal(s), metal alloy(s), etc.), metal oxide(s), ceramic(s), metal carbide(s), carbon (e.g., carbon nanocomposites comprising carbon matrix with metal component embedded therein), and/or combinations thereof.Type: GrantFiled: September 16, 2013Date of Patent: April 11, 2017Assignee: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Publication number: 20150247263Abstract: Provided herein are nanofibers and processes of preparing carbonaceous nanofibers. In some embodiments, the nanofibers are high quality, high performance nanofibers, highly coherent nanofibers, highly continuous nanofibers, or the like. In some embodiments, the nanofibers have increased coherence, increased length, few voids and/or defects, and/or other advantageous characteristics. In some instances, the nanofibers are produced by electrospinning a fluid stock having a high loading of nanofiber precursor in the fluid stock. In some instances, the fluid stock comprises well mixed and/or uniformly distributed precursor in the fluid stock. In some instances, the fluid stock is converted into a nanofiber comprising few voids, few defects, long or tunable length, and the like.Type: ApplicationFiled: September 16, 2013Publication date: September 3, 2015Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Publication number: 20150240388Abstract: Provided herein are high performance reinforcing nanostructure additives, high throughput processes for using such additives, and composites comprising such additives. Such nanostructure additives include nanofibers, including nanofiber fragments, of various matrix materials, including metal(s) (e.g., elemental metal(s), metal alloy(s), etc.), metal oxide(s), ceramic(s), metal carbide(s), carbon (e.g., carbon nanocomposites comprising carbon matrix with metal component embedded therein), and/or combinations thereof.Type: ApplicationFiled: September 16, 2013Publication date: August 27, 2015Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Publication number: 20150224739Abstract: Provided herein are nanofibers, nanofiber mats, and processes for preparing the same. In particular, provided herein are improved nanofibers and nanofiber mats, as well as processes for preparing nanofibers and nanofiber mats, having high performance characteristics. In some instances, such processes involve depositing nanofibers in a distinctly layered structure, which allows nanofibers to retain structural integrity upon post-electrospinning processing, which in turn provides resultant nanofibers with high performance characteristics.Type: ApplicationFiled: September 16, 2013Publication date: August 13, 2015Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen
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Patent number: 9102570Abstract: Provided herein are nanofibers and processes of preparing nanofibers. In some instances, the nanofibers are metal and/or ceramic nanofibers. In some embodiments, the nanofibers are high quality, high performance nanofibers, highly coherent nanofibers, highly continuous nanofibers, or the like. In some embodiments, the nanofibers have increased coherence, increased length, few voids and/or defects, and/or other advantageous characteristics. In some instances, the nanofibers are produced by electrospinning a fluid stock having a high loading of nanofiber precursor in the fluid stock. In some instances, the fluid stock comprises well mixed and/or uniformly distributed precursor in the fluid stock. In some instances, the fluid stock is converted into a nanofiber comprising few voids, few defects, long or tunable length, and the like.Type: GrantFiled: April 20, 2012Date of Patent: August 11, 2015Assignee: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho
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Publication number: 20150132642Abstract: Lithium-containing nanofibers, as well as processes for making the same, are disclosed herein. In some embodiments described herein, using high throughput (e.g., gas assisted and/or water based) electrospinning processes produce nanofibers of high energy capacity materials with continuous lithium-containing matrices or discrete crystal domains.Type: ApplicationFiled: February 28, 2013Publication date: May 14, 2015Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim
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Publication number: 20150099186Abstract: Provided herein are silicon nanocomposite nanofibers and processes for preparing the same. In specific examples, provided herein are nanocomposite nanofibers comprising continuous silicon matrices and nanocomposite nanofibers comprising non-aggregated silicon domains.Type: ApplicationFiled: February 28, 2013Publication date: April 9, 2015Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim, Yong Seok Kim
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Publication number: 20150099185Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.Type: ApplicationFiled: February 28, 2013Publication date: April 9, 2015Applicant: CORNELL UNIVERSITYInventors: Yong Lak Joo, Nathaniel S. Hansen, Daehwan Cho, Kyoung Woo Kim