Patents by Inventor Sachiko Kataniwa
Sachiko Kataniwa 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).
-
Publication number: 20230216019Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: March 9, 2023Publication date: July 6, 2023Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
-
Patent number: 11605804Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering pan of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: July 1, 2021Date of Patent: March 14, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Publication number: 20210408516Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering pan of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: July 1, 2021Publication date: December 30, 2021Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
-
Patent number: 11056678Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor: thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: April 15, 2019Date of Patent: July 6, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Patent number: 10541409Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: GrantFiled: February 28, 2018Date of Patent: January 21, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Kai Kimura, Sachiko Kataniwa, Ryota Tajima
-
Publication number: 20190245195Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor: thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: April 15, 2019Publication date: August 8, 2019Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
-
Patent number: 10263243Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: February 16, 2018Date of Patent: April 16, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Publication number: 20180190972Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film, containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: ApplicationFiled: February 28, 2018Publication date: July 5, 2018Inventors: Nobuhiro INOUE, Kai KIMURA, Sachiko KATANIWA, Ryota TAJIMA
-
Publication number: 20180183037Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering pan of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: February 16, 2018Publication date: June 28, 2018Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Patent number: 9911971Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: GrantFiled: June 9, 2017Date of Patent: March 6, 2018Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nobuhiro Inoue, Kai Kimura, Sachiko Kataniwa, Ryota Tajima
-
Patent number: 9899660Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: June 13, 2017Date of Patent: February 20, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Publication number: 20170288205Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: June 13, 2017Publication date: October 5, 2017Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
-
Publication number: 20170279111Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: ApplicationFiled: June 9, 2017Publication date: September 28, 2017Inventors: Nobuhiro INOUE, Kai KIMURA, Sachiko KATANIWA, Ryota TAJIMA
-
Patent number: 9698412Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: GrantFiled: October 5, 2016Date of Patent: July 4, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Kai Kimura, Sachiko Kataniwa, Ryota Tajima
-
Patent number: 9685653Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: July 1, 2016Date of Patent: June 20, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Publication number: 20170025675Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: ApplicationFiled: October 5, 2016Publication date: January 26, 2017Inventors: Nobuhiro INOUE, Kai KIMURA, Sachiko KATANIWA, Ryota TAJIMA
-
Patent number: 9490080Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: GrantFiled: September 21, 2015Date of Patent: November 8, 2016Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nobuhiro Inoue, Kai Kimura, Sachiko Kataniwa, Ryota Tajima
-
Publication number: 20160315309Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: July 1, 2016Publication date: October 27, 2016Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
-
Patent number: 9384904Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: March 11, 2013Date of Patent: July 5, 2016Assignee: Semiconductor Energy Laboratory Co., LTD.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
-
Publication number: 20160012981Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.Type: ApplicationFiled: September 21, 2015Publication date: January 14, 2016Inventors: Nobuhiro INOUE, Kai KIMURA, Sachiko KATANIWA, Ryota TAJIMA