Patents Assigned to Optodot Corporation
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Patent number: 11387523Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.Type: GrantFiled: January 11, 2022Date of Patent: July 12, 2022Assignee: Optodot CorporationInventor: Steven A. Carlson
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Patent number: 11387521Abstract: Nanoporous composite separators are disclosed for use in batteries and capacitors comprising a nanoporous inorganic material and an organic polymer material. The inorganic material may comprise Al2O3, AlO(OH) or boehmite, AlN, BN, SiN, ZnO, ZrO2, SiO2, or combinations thereof. The nanoporous composite separator may have a porosity of between 35-50%. The average pore size of the nanoporous composite separator may be between 10-90 nm. The separator may be formed by coating a substrate with a dispersion including the inorganic material, organic material, and a solvent. Once dried, the coating may be removed from the substrate, thus forming the nanoporous composite separator. A nanoporous composite separator may provide increased thermal conductivity and dimensional stability at temperatures above 200° C. compared to polyolefin separators.Type: GrantFiled: December 28, 2021Date of Patent: July 12, 2022Assignee: Optodot CorporationInventors: David W. Avison, Shreyans Shingi, Chandrakant C. Patel, Charles R. Comeau, Jr., Samuel Lim
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Patent number: 11335976Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.Type: GrantFiled: April 20, 2021Date of Patent: May 17, 2022Assignee: Optodot CorporationInventor: Steven A. Carlson
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Patent number: 11283137Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.Type: GrantFiled: February 18, 2021Date of Patent: March 22, 2022Assignee: Optodot CorporationInventor: Steven A. Carlson
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Patent number: 11264676Abstract: Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.Type: GrantFiled: August 19, 2021Date of Patent: March 1, 2022Assignee: Optodot CorporationInventors: Steven A. Carlson, Ifenna Kingsley Anakor, Greg Robert Farrell
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Patent number: 11217859Abstract: Nanoporous composite separators are disclosed for use in batteries and capacitors comprising a nanoporous inorganic material and an organic polymer material. The inorganic material may comprise Al2O3, AlO(OH) or boehmite, AlN, BN, SiN, ZnO, ZrO2, SiO2, or combinations thereof. The nanoporous composite separator may have a porosity of between 35-50%. The average pore size of the nanoporous composite separator may be between 10-90 nm. The separator may be formed by coating a substrate with a dispersion including the inorganic material, organic material, and a solvent. Once dried, the coating may be removed from the substrate, thus forming the nanoporous composite separator. A nanoporous composite separator may provide increased thermal conductivity and dimensional stability at temperatures above 200° C. compared to polyolefin separators.Type: GrantFiled: July 13, 2020Date of Patent: January 4, 2022Assignee: OPTODOT CORPORATIONInventors: David W. Avison, Shreyans Shingi, Chandrakant C. Patel, Charles R. Comeau, Jr., Samuel Lim
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Patent number: 11121432Abstract: Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.Type: GrantFiled: September 14, 2020Date of Patent: September 14, 2021Assignee: Optodot CorporationInventors: Steven A. Carlson, Ifenna Kingsley Anakor, Greg Robert Farrell
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Patent number: 11050119Abstract: Provided is a lithium battery, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises an anionic compound. Also provided are methods of manufacturing such batteries.Type: GrantFiled: May 6, 2019Date of Patent: June 29, 2021Assignee: Optodot CorporationInventors: Steven A. Carlson, Benjamin Sloan, David W. Avison
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Patent number: 10998536Abstract: A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle/polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.Type: GrantFiled: October 15, 2018Date of Patent: May 4, 2021Assignee: Optodot CorporationInventors: David W. Avison, Steven A. Carlson, Benjamin Sloan
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Patent number: 10950837Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.Type: GrantFiled: August 30, 2019Date of Patent: March 16, 2021Assignee: Optodot CorporationInventor: Steven A. Carlson
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Patent number: 10879513Abstract: Nanoporous composite separators are disclosed for use in batteries and capacitors comprising a nanoporous inorganic material and an organic polymer material. The inorganic material may comprise Al2O3, AlO(OH) or boehmite, AlN, BN, SiN, ZnO, ZrO2, SiO2, or combinations thereof. The nanoporous composite separator may have a porosity of between 35-50%. The average pore size of the nanoporous composite separator may be between 10-90 nm. The separator may be formed by coating a substrate with a dispersion including the inorganic material, organic material, and a solvent. Once dried, the coating may be removed from the substrate, thus forming the nanoporous composite separator. A nanoporous composite separator may provide increased thermal conductivity and dimensional stability at temperatures above 200° C. compared to polyolefin separators.Type: GrantFiled: April 29, 2014Date of Patent: December 29, 2020Assignee: Optodot CorporationInventors: David W. Avison, Shreyans Shingi, Chandrakant C. Patel, Charles R. Comeau, Jr., Samuel Lim
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Patent number: 10833307Abstract: Provided are separators for use in batteries and capacitors comprising (a) at least 50% by weight of an aluminum oxide and (b) an organic polymer, wherein the aluminum oxide is surface modified by treatment with an organic acid to form a modified aluminum oxide, and wherein the treatment provides dispersibility of the aluminum oxide in aprotic solvents such as N-methyl pyrrolidone. Preferably, the organic acid is a sulfonic acid, such as p-toluenesulfonic acid. Also preferably, the organic polymer is a fluorinated polymer, such as polyvinylidene fluoride. Also provided are electrochemical cells and capacitors comprising such separators.Type: GrantFiled: June 7, 2017Date of Patent: November 10, 2020Assignees: Optodot Corporation, Sihi GmbHInventors: Zhong Xu, Steven A. Carlson
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Patent number: 10797288Abstract: Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.Type: GrantFiled: October 18, 2019Date of Patent: October 6, 2020Assignee: OPTODOT CORPORATIONInventors: Steven Allen Carlson, Ifenna Kingsley Anakor, Greg Robert Farrell
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Patent number: 10651444Abstract: Provided are methods of preparing lithium batteries comprising a separator/electrode assembly having one or more current collector layers interposed between first and second electrode layers of the same polarity, wherein the first electrode layer is coated or laminated overlying a separator layer and the separator/electrode assembly is interleaved with an electrode comprising a current collector layer interposed between two electrode layers of opposite polarity to said first and second electrodes.Type: GrantFiled: December 8, 2015Date of Patent: May 12, 2020Assignee: Optodot CorporationInventor: Steven A. Carlson
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Patent number: 10505168Abstract: Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.Type: GrantFiled: October 31, 2017Date of Patent: December 10, 2019Assignee: Optodot CorporationInventors: Steven Allen Carlson, Ifenna Kingsley Anakor, Greg Robert Farrell
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Patent number: 10403874Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein an electroactive anode metal layer, such as a lithium metal layer, is deposited directly on a porous separator, such as a nanoporous separator layer.Type: GrantFiled: April 20, 2017Date of Patent: September 3, 2019Assignee: Optodot CorporationInventor: Steven A. Carlson
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Patent number: 10381623Abstract: Provided is a lithium battery, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises an anionic compound. Also provided are methods of manufacturing such batteries.Type: GrantFiled: July 11, 2016Date of Patent: August 13, 2019Assignee: Optodot CorporationInventors: Steven A. Carlson, Benjamin Sloan, David W. Avison
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Patent number: 9871239Abstract: Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.Type: GrantFiled: November 6, 2014Date of Patent: January 16, 2018Assignee: Optodot CorporationInventors: Steven Allen Carlson, Ifenna Kingsley Anakor, Greg Robert Farrell
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Patent number: 9660297Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.Type: GrantFiled: January 26, 2015Date of Patent: May 23, 2017Assignee: Optodot CorporationInventor: Steven A. Carlson
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Publication number: 20160164145Abstract: Provided are methods of preparing lithium batteries comprising a separator/electrode assembly having one or more current collector layers interposed between first and second electrode layers of the same polarity, wherein the first electrode layer is coated or laminated overlying a separator layer and the separator/electrode assembly is interleaved with an electrode comprising a current collector layer interposed between two electrode layers of opposite polarity to said first and second electrodes.Type: ApplicationFiled: December 8, 2015Publication date: June 9, 2016Applicant: OPTODOT CORPORATIONInventor: Steven A. Carlson