Patents Assigned to Millibatt, Inc.
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Patent number: 11936071Abstract: A method includes, by a folding station: receiving an anode assembly including anode collectors connected by anode interconnects and coated with a separator; receiving a cathode assembly including cathode collectors connected by cathode interconnects; locating a first anode collector over a folding stage; locating a first cathode collector over the first anode collector to form a first battery cell between the first anode collector and the first cathode collector; folding a first anode interconnect to locate a second anode collector over the first cathode collector to form a second battery cell between the first cathode collector and the second anode collector; folding a first cathode interconnect to locate a second cathode collector over the second anode collector to form a third battery cell between the second anode collector and the second cathode collector; wetting the separator with solvated ions; and loading the anode and cathode assemblies into a battery housing.Type: GrantFiled: September 7, 2022Date of Patent: March 19, 2024Assignee: Millibatt, Inc.Inventors: Guangyi Sun, Janet Hur, Cheolwoong Lim, Leland Smith
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Patent number: 11923563Abstract: One variation of a battery unit includes: a series of anode collectors; a set of anode electrodes including anode material arranged on both side of the anode collectors; a set of anode interconnects interposed between and electrically coupling adjacent anode collectors and folded to locate the anode collectors in a boustrophedonic anode stack; a series of cathode collectors; a set of cathode electrodes including cathode material arranged on both side of the cathode collectors; a set of cathode interconnects interposed between and electrically coupling adjacent cathode collectors and folded to locate the cathode collectors in a boustrophedonic cathode stack with cathode collectors interdigitated between anode collectors in the boustrophedonic anode stack; and a set of separators arranged between the anode and cathode electrodes and transporting solvated ions between the anode and cathode electrodes.Type: GrantFiled: July 1, 2022Date of Patent: March 5, 2024Assignee: Millibatt, Inc.Inventors: Guangyi Sun, Janet Hur, Cheolwoong Lim, Leland Smith
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Patent number: 11811098Abstract: One variation of a battery unit includes: a series of anode collectors; a set of anode electrodes including anode material arranged on both side of the anode collectors; a set of anode interconnects interposed between and electrically coupling adjacent anode collectors and folded to locate the anode collectors in a boustrophedonic anode stack; a series of cathode collectors; a set of cathode electrodes including cathode material arranged on both side of the cathode collectors; a set of cathode interconnects interposed between and electrically coupling adjacent cathode collectors and folded to locate the cathode collectors in a boustrophedonic cathode stack with cathode collectors interdigitated between anode collectors in the boustrophedonic anode stack; and a set of separators arranged between the anode and cathode electrodes and transporting solvated ions between the anode and cathode electrodes.Type: GrantFiled: September 7, 2022Date of Patent: November 7, 2023Assignee: Millibatt, Inc.Inventors: Guangyi Sun, Janet Hur, Cheolwoong Lim, Leland Smith
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Patent number: 11476549Abstract: One variation of a battery unit includes: a series of anode collectors; a set of anode electrodes including anode material arranged on both side of the anode collectors; a set of anode interconnects interposed between and electrically coupling adjacent anode collectors and folded to locate the anode collectors in a boustrophedonic anode stack; a series of cathode collectors; a set of cathode electrodes including cathode material arranged on both side of the cathode collectors; a set of cathode interconnects interposed between and electrically coupling adjacent cathode collectors and folded to locate the cathode collectors in a boustrophedonic cathode stack with cathode collectors interdigitated between anode collectors in the boustrophedonic anode stack; and a set of separators arranged between the anode and cathode electrodes and transporting solvated ions between the anode and cathode electrodes.Type: GrantFiled: August 19, 2021Date of Patent: October 18, 2022Assignee: Millibatt, Inc.Inventors: Guangyi Sun, Janet Hur, Cheolwoong Lim, Leland Smith
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Patent number: 11411289Abstract: A method includes, by a folding station: receiving an anode assembly including anode collectors connected by anode interconnects and coated with a separator; receiving a cathode assembly including cathode collectors connected by cathode interconnects; locating a first anode collector over a folding stage; locating a first cathode collector over the first anode collector to form a first battery cell between the first anode collector and the first cathode collector; folding a first anode interconnect to locate a second anode collector over the first cathode collector to form a second battery cell between the first cathode collector and the second anode collector; folding a first cathode interconnect to locate a second cathode collector over the second anode collector to form a third battery cell between the second anode collector and the second cathode collector; wetting the separator with solvated ions; and loading the anode and cathode assemblies into a battery housing.Type: GrantFiled: August 19, 2021Date of Patent: August 9, 2022Assignee: Millibatt, Inc.Inventors: Guangyi Sun, Janet Hur, Cheolwoong Lim, Leland Smith
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Patent number: 11264637Abstract: One variation of a battery unit includes: a substrate including silicon and defining a cell, wherein the cell includes a base encompassed by a continuous wall and a set of posts extending normal to the base; an electrolyte material coating vertical surfaces of each post, in the set of posts, and vertical surfaces of the continuous wall in the cell; a cathode material filling the cell over the electrolyte material, between posts in the set of posts, and between the set of posts and the continuous wall; a seal extending along a top of the continuous wall; and a cathode current collector bonded to the seal, electrically coupled to the cathode material, and cooperating with the substrate to enclose the cell to form a single-cell battery.Type: GrantFiled: September 1, 2020Date of Patent: March 1, 2022Assignee: Millibatt, Inc.Inventors: Janet Hur, Leland Smith, Cheolwoong Lim, Guangyi Sun
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Patent number: 10797342Abstract: One variation of a battery unit includes: a substrate including silicon and defining a cell, wherein the cell includes a base encompassed by a continuous wall and a set of posts extending normal to the base; an electrolyte material coating vertical surfaces of each post, in the set of posts, and vertical surfaces of the continuous wall in the cell; a cathode material filling the cell over the electrolyte material, between posts in the set of posts, and between the set of posts and the continuous wall; a seal extending along a top of the continuous wall; and a cathode current collector bonded to the seal, electrically coupled to the cathode material, and cooperating with the substrate to enclose the cell to form a single-cell battery.Type: GrantFiled: January 14, 2019Date of Patent: October 6, 2020Assignee: Millibatt, Inc.Inventors: Janet Hur, Leland Smith, Cheolwoong Lim, Guangyi Sun
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Patent number: 10615417Abstract: One variation of a method for fabricating an electrolyte includes: depositing an electrolyte material over a substrate, the electrolyte material including a monomer miscible in a first volume of solvent, a polymer semi-miscible in the monomer and miscible in the first volume of solvent, and a photoinitiator; exposing the electrolyte material to electromagnetic radiation to disassociate the photoinitiator into a reactive subspecie that crosslinks the monomer to form an electrolyte structure with the polymer phase-separated from the electrolyte structure; dissolving the polymer out of the electrolyte structure with a second volume of solvent to render a network of open-cell pores in the electrolyte structure; and exposing the electrolyte structure to a third volume of solvent and ions to fill the network of open-cell pores with solvated ions.Type: GrantFiled: May 15, 2018Date of Patent: April 7, 2020Assignee: Millibatt, Inc.Inventors: Leland Smith, Janet Hur, Cheolwoong Lim, Guangyi Sun
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Patent number: 10218031Abstract: One variation of a battery unit includes: a substrate including silicon and defining a cell, wherein the cell includes a base encompassed by a continuous wall and a set of posts extending normal to the base; an electrolyte material coating vertical surfaces of each post, in the set of posts, and vertical surfaces of the continuous wall in the cell; a cathode material filling the cell over the electrolyte material, between posts in the set of posts, and between the set of posts and the continuous wall; a seal extending along a top of the continuous wall; and a cathode current collector bonded to the seal, electrically coupled to the cathode material, and cooperating with the substrate to enclose the cell to form a single-cell battery.Type: GrantFiled: March 20, 2018Date of Patent: February 26, 2019Assignee: Millibatt, Inc.Inventors: Janet Hur, Leland Smith, Cheolwoong Lim, Guangyi Sun