Patents by Inventor Heidi Leighette Anderson
Heidi Leighette Anderson 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: 11908992Abstract: Methods and systems for forming electrochemical cells are provided. An electrochemical cell may be provided, with the electrochemical cell including a first electrode, a second electrode, a separator between the first electrode and the second electrode, and an electrolyte. At least the first electrode is a silicon-dominant electrode. A formation process may be used for the electrochemical cell, with the processing including at least a charge step that includes providing a formation charge current at greater than about 1C to the electrochemical cell, where providing the formation charge current includes charging to a partial formation.Type: GrantFiled: April 18, 2022Date of Patent: February 20, 2024Assignee: ENEVATE CORPORATIONInventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Patent number: 11881559Abstract: An energy storage device comprising a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode comprises a self-supporting composite material film, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator, wherein the electrolyte comprises at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. The composite material film having greater than 0% and less than about 90% by weight of silicon particles, and greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases can be a substantially continuous phase that holds the composite material film together such that the silicon particles are distributed throughout the composite material film.Type: GrantFiled: November 17, 2021Date of Patent: January 23, 2024Assignee: Enevate CorporationInventors: Heidi Leighette Anderson, Benjamin Yong Park, Hong Gan, Sung Won Choi
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Patent number: 11450845Abstract: Various implementations of a method of forming an electrochemical cell include providing a first electrode, a second electrode, a separator between the first and second electrodes, and an electrolyte in a cell container. The first electrode can include silicon-dominant electrochemically active material. The silicon-dominant electrochemically active material can include greater than 50% silicon by weight. The method can also include exposing at least a part of the electrochemical cell to CO2, and forming a solid electrolyte interphase (SEI) layer on the first electrode using the CO2.Type: GrantFiled: August 3, 2021Date of Patent: September 20, 2022Assignee: Enevate CorporationInventors: Heidi Leighette Anderson, Benjamin Yong Park, Frederic C. Bonhomme
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Publication number: 20220285670Abstract: Methods of forming electrochemical cells are described. In some implementations, the method can include providing an electrochemical cell having an electrode including electrochemically active material with at least about 20% to about 100% by weight of silicon. The method can include charging the electrochemical cell by providing a formation charge current at about 1 C or greater to the electrochemical cell. The method can also include discharging the electrochemical cell. In various implementations, substantially no rest of greater than about 5 minutes occurs between charging and discharging.Type: ApplicationFiled: January 22, 2020Publication date: September 8, 2022Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Publication number: 20220238910Abstract: Methods and systems for forming electrochemical cells are provided. An electrochemical cell may be provided, with the electrochemical cell including a first electrode, a second electrode, a separator between the first electrode and the second electrode, and an electrolyte. At least the first electrode is a silicon-dominant electrode. A formation process may be used for the electrochemical cell, with the processing including at least a charge step that includes providing a formation charge current at greater than about 1C to the electrochemical cell, where providing the formation charge current includes charging to a partial formation.Type: ApplicationFiled: April 18, 2022Publication date: July 28, 2022Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Patent number: 11309580Abstract: Methods of forming electrochemical cells are described. In some embodiments, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formation charge current at greater than about 1C to the electrochemical cell. Alternatively or additionally, the method can include providing a formation charge current at a substantially constant charge voltage to the electrochemical cell.Type: GrantFiled: August 19, 2020Date of Patent: April 19, 2022Assignee: ENEVATE CORPORATIONInventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Publication number: 20220077500Abstract: An energy storage device comprising a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode comprises a self-supporting composite material film, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator, wherein the electrolyte comprises at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. The composite material film having greater than 0% and less than about 90% by weight of silicon particles, and greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases can be a substantially continuous phase that holds the composite material film together such that the silicon particles are distributed throughout the composite material film.Type: ApplicationFiled: November 17, 2021Publication date: March 10, 2022Inventors: Heidi Leighette Anderson, Benjamin Yong Park, Hong Gan, Sung Won Choi
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Publication number: 20210367226Abstract: Various implementations of a method of forming an electrochemical cell include providing a first electrode, a second electrode, a separator between the first and second electrodes, and an electrolyte in a cell container. The first electrode can include silicon-dominant electrochemically active material. The silicon-dominant electrochemically active material can include greater than 50% silicon by weight. The method can also include exposing at least a part of the electrochemical cell to CO2, and forming a solid electrolyte interphase (SEI) layer on the first electrode using the CO2.Type: ApplicationFiled: August 3, 2021Publication date: November 25, 2021Inventors: Heidi Leighette Anderson, Benjamin Yong Park, Frederic C. Bonhomme
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Patent number: 11183712Abstract: An energy storage device comprising a first electrode and a second electrode, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator, wherein the electrolyte comprises at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. The electrolyte may be substantially free of non-fluorine containing cyclic carbonates.Type: GrantFiled: September 18, 2019Date of Patent: November 23, 2021Assignee: Enevate CorporationInventors: Heidi Leighette Anderson, Benjamin Yong Park, Hong Gan, Sung Won Choi
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Patent number: 11088364Abstract: Various implementations of a method of forming an electrochemical cell include providing a first electrode, a second electrode, a separator between the first and second electrodes, and an electrolyte in a cell container. The first electrode can include silicon-dominant electrochemically active material. The silicon-dominant electrochemically active material can include greater than 50% silicon by weight. The method can also include exposing at least a part of the electrochemical cell to CO2, and forming a solid electrolyte interphase (SEI) layer on the first electrode using the CO2.Type: GrantFiled: June 3, 2019Date of Patent: August 10, 2021Assignee: Enevate CorporationInventors: Heidi Leighette Anderson, Benjamin Yong Park, Frederic C. Bonhomme
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Publication number: 20210226196Abstract: Methods of forming electrochemical cells are described. In some implementations, the method can include providing an electrochemical cell having an electrode including electrochemically active material with at least about 20% to about 100% by weight of silicon. The method can include charging the electrochemical cell by providing a formation charge current at about 1 C or greater to the electrochemical cell. The method can also include discharging the electrochemical cell. In various implementations, substantially no rest of greater than about 5 minutes occurs between charging and discharging.Type: ApplicationFiled: January 22, 2020Publication date: July 22, 2021Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Publication number: 20210175492Abstract: Methods of forming electrochemical cells are described. In some implementations, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formation charge current at a first rate and at a second rate to the electrochemical cell. The first rate can be in a range from about C/100 to about C/10 and the second rate can be greater than about C/10.Type: ApplicationFiled: December 9, 2019Publication date: June 10, 2021Inventors: Benjamin Yong Park, Jill R. Pestana, Heidi Leighette Anderson, Sung Won Choi
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Publication number: 20200381709Abstract: Various implementations of a method of forming an electrochemical cell include providing a first electrode, a second electrode, a separator between the first and second electrodes, and an electrolyte in a cell container. The first electrode can include silicon-dominant electrochemically active material. The silicon-dominant electrochemically active material can include greater than 50% silicon by weight. The method can also include exposing at least a part of the electrochemical cell to CO2, and forming a solid electrolyte interphase (SEI) layer on the first electrode using the CO2.Type: ApplicationFiled: June 3, 2019Publication date: December 3, 2020Inventors: Heidi Leighette Anderson, Benjamin Yong Park, Frederic C. Bonhomme
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Publication number: 20200381770Abstract: Methods of forming electrochemical cells are described. In some embodiments, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formation charge current at greater than about 1C to the electrochemical cell. Alternatively or additionally, the method can include providing a formation charge current at a substantially constant charge voltage to the electrochemical cell.Type: ApplicationFiled: August 19, 2020Publication date: December 3, 2020Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Patent number: 10763538Abstract: Methods of forming electrochemical cells are described. In some embodiments, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formation charge current at greater than about 1 C to the electrochemical cell. Alternatively or additionally, the method can include providing a formation charge current at a substantially constant charge voltage to the electrochemical cell.Type: GrantFiled: May 31, 2018Date of Patent: September 1, 2020Assignee: Enevate CorporationInventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Publication number: 20200014068Abstract: An energy storage device comprising a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode comprises a self-supporting composite material film, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator, wherein the electrolyte comprises at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. The composite material film having greater than 0% and less than about 90% by weight of silicon particles, and greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases can be a substantially continuous phase that holds the composite material film together such that the silicon particles are distributed throughout the composite material film.Type: ApplicationFiled: September 18, 2019Publication date: January 9, 2020Inventors: Heidi Leighette Anderson, Benjamin Yong Park, Hong Gan, Sung Won Choi
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Patent number: 10461366Abstract: An energy storage device includes a first electrode and a second electrode, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator. The electrolyte includes at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. At least one of the first electrode and the second electrode includes a self-supporting composite material film. The composite material film has greater than 0% and less than about 90% by weight of silicon particles, and greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases can be a substantially continuous phase that holds the composite material film together such that the silicon particles are distributed throughout the composite material film.Type: GrantFiled: July 15, 2015Date of Patent: October 29, 2019Assignee: ENEVATE CORPORATIONInventors: Heidi Leighette Anderson, Benjamin Yong Park, Hong Gan, Sung Won Choi
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Publication number: 20190181491Abstract: Methods of forming electrochemical cells are described. In some embodiments, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formation charge current at greater than about 1 C to the electrochemical cell. Alternatively or additionally, the method can include providing a formation charge current at a substantially constant charge voltage to the electrochemical cell.Type: ApplicationFiled: May 31, 2018Publication date: June 13, 2019Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
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Patent number: 9941509Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon particles have an average particle size between about 0.1 ?m and about 30 ?m and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase.Type: GrantFiled: January 23, 2017Date of Patent: April 10, 2018Assignee: Enevate CorporationInventors: Benjamin Yong Park, Genis Turon Teixidor, Heidi Leighette Anderson, Ian Russell Browne
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Publication number: 20170133670Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon particles have an average particle size between about 0.1 ?m and about 30 ?m and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase.Type: ApplicationFiled: January 23, 2017Publication date: May 11, 2017Inventors: Benjamin Yong Park, Genis Turon Teixidor, Heidi Leighette Anderson, Ian Russell Browne