Patents by Inventor Momoe Adachi
Momoe Adachi 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: 10403927Abstract: In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and is able to be manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.Type: GrantFiled: May 3, 2017Date of Patent: September 3, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yuichi Sabi, Katsunori Takahara, Hiroyuki Morioka, Tatsuya Furuya, Koichiro Hinokuma, Reina Ichikawa, Yui Senda, Momoe Adachi
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Patent number: 9831498Abstract: A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles observed from a surface of the anode active material layer is within a range of 1 ?m2 to 60 ?m2 both inclusive.Type: GrantFiled: June 12, 2014Date of Patent: November 28, 2017Assignee: SONY CORPORATIONInventors: Momoe Adachi, Shunsuke Kurasawa, Isamu Konishiike, Kenichi Kawase
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Publication number: 20170301948Abstract: In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and is able to be manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.Type: ApplicationFiled: May 3, 2017Publication date: October 19, 2017Inventors: Yuichi Sabi, Katsunori Takahara, Hiroyuki Morioka, Tatsuya Furuya, Koichiro Hinokuma, Reina Ichikawa, Yui Senda, Momoe Adachi
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Patent number: 9673481Abstract: In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.Type: GrantFiled: January 28, 2010Date of Patent: June 6, 2017Assignee: Sony CorporationInventors: Yuichi Sabi, Katsunori Takahara, Hiroyuki Morioka, Tatsuya Furuya, Koichiro Hinokuma, Reina Ichikawa, Yui Senda, Momoe Adachi
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Patent number: 9190666Abstract: The invention provides a battery, which can improve battery characteristics such as high temperature storage characteristics. The battery comprises a battery device, wherein a cathode and an anode are wound with a separator in between. The anode contains an anode material capable of inserting and extracting Li as an anode active material. An electrolytic solution is impregnated in the separator. The electrolytic solution contains a solvent, and an electrolyte salt such as Li[B(CF3)4] dissolved in the solvent, which is expressed by a chemical formula of Li[B(RF1)(RF2)(RF3)RF4]. RF1, RF2, RF3, and RF4 represent a perfluoro alkyl group whose number of fluorine or carbon is from 1 to 12, respectively. Consequently, high temperature storage characteristics are improved.Type: GrantFiled: August 29, 2007Date of Patent: November 17, 2015Assignee: SONY CORPORATIONInventors: Tadahiko Kubota, Momoe Adachi, Shigeru Fujita
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Patent number: 9059452Abstract: There is provided an anode for a lithium ion secondary battery capable of improving the cycle characteristics, a lithium ion secondary battery using the same, an electric power tool using the lithium ion secondary battery, an electrical vehicle using the lithium ion secondary battery, and an electric power storage system using the lithium ion secondary battery. The anode for a lithium ion secondary battery includes an anode active material layer in which a first layer and a second layer respectively containing silicon and a metal element as an anode active material are alternately layered on an anode current collector, and 1.02?A/B?50 is satisfied. A represents a silicon content ratio in the anode active material in the first layer, and B represents a silicon content ratio in the anode active material in the second layer.Type: GrantFiled: January 28, 2011Date of Patent: June 16, 2015Assignee: SONY CORPORATIONInventors: Shunsuke Kurasawa, Takashi Fujinaga, Momoe Adachi, Kenichi Kawase
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Patent number: 9048504Abstract: A secondary battery electrode includes an active material layer configured to be provided on a current collector and be obtained by stacking a plurality of active material sub-layers composed of an active material. Pores of which pore diameter along a thickness direction of the active material layer is 3 to 300 nm are formed along a boundary between the active material sub-layers, and at least a part of the pores is filled with an electrolyte and/or a product arising from reduction of the electrolyte upon assembling of a secondary battery.Type: GrantFiled: December 17, 2007Date of Patent: June 2, 2015Assignee: SONY CORPORATIONInventors: Momoe Adachi, Isamu Konishiike, Kenichi Kawase
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Patent number: 8932757Abstract: A lithium ion secondary battery having superior cycle characteristic is provided. The lithium ion secondary battery includes a cathode, an anode and an electrolyte. The anode has an anode active material layer including a plurality of anode active material fibers containing silicon as an element provided on an anode current collector.Type: GrantFiled: January 31, 2011Date of Patent: January 13, 2015Assignee: Sony CorporationInventors: Takashi Fujinaga, Shunsuke Kurasawa, Momoe Adachi, Kenichi Kawase
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Publication number: 20140295270Abstract: A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles observed from a surface of the anode active material layer is within a range of 1 ?m2 to 60 ?m2 both inclusive.Type: ApplicationFiled: June 12, 2014Publication date: October 2, 2014Inventors: Momoe Adachi, Shunsuke Kurasawa, Isamu Konishiike, Kenichi Kawase
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Patent number: 8828579Abstract: The invention provides a battery, which can improve battery characteristics such as high temperature storage characteristics. The battery comprises a battery device, wherein a cathode and an anode are wound with a separator in between. The anode contains an anode material capable of inserting and extracting Li as an anode active material. An electrolytic solution is impregnated in the separator. The electrolytic solution contains a solvent, and an electrolyte salt such as Li[B(CF3)4] dissolved in the solvent, which is expressed by a chemical formula of Li[B(RF1)(RF2)(RF3)RF4]RF 1, RF 2, RF 3, and RF 4 represent a perfluoro alkyl group whose number of fluorine or carbon is from 1 to 12, respectively. Consequently, high temperature storage characteristics are improved.Type: GrantFiled: March 30, 2004Date of Patent: September 9, 2014Assignee: Sony CorporationInventors: Tadahiko Kubota, Momoe Adachi, Shigeru Fujita
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Patent number: 8802286Abstract: A negative electrode for a secondary battery includes a negative electrode current collector and a negative electrode active material layer provided in the negative electrode current collector and which is alloyed with the negative electrode current collector at least at a part of an boundary face between it and the negative electrode current collector, wherein the negative electrode current collector has a first surface on which the negative electrode active material layer is formed and a second surface on which the negative electrode active material layer is not formed, the negative electrode having a portion in which the second surfaces of the negative electrode current collector are opposed to each other.Type: GrantFiled: January 30, 2007Date of Patent: August 12, 2014Assignee: Sony CorporationInventors: Isamu Konishiike, Kenichi Kawase, Shigeru Fujita, Momoe Adachi
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Patent number: 8795886Abstract: A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles observed from a surface of the anode active material layer is within a range of 1 ?m2 to 60 ?m2 both inclusive.Type: GrantFiled: March 23, 2009Date of Patent: August 5, 2014Assignee: Sony CorporationInventors: Momoe Adachi, Shunsuke Kurasawa, Isamu Konishiike, Kenichi Kawase
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Publication number: 20110274974Abstract: In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.Type: ApplicationFiled: January 28, 2010Publication date: November 10, 2011Applicant: SONY CORPORATIONInventors: Yuichi Sabi, Katsunori Takahara, Hiroyuki Morioka, Tatsuya Furuya, Koichiro Hinokuma, Reina Ichikawa, Yui Senda, Momoe Adachi
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Publication number: 20110192622Abstract: There is provided an anode for a lithium ion secondary battery capable of improving the cycle characteristics, a lithium ion secondary battery using the same, an electric power tool using the lithium ion secondary battery, an electrical vehicle using the lithium ion secondary battery, and an electric power storage system using the lithium ion secondary battery. The anode for a lithium ion secondary battery includes an anode active material layer in which a first layer and a second layer respectively containing silicon and a metal element as an anode active material are alternately layered on an anode current collector, and 1.02?A/B?50 is satisfied. A represents a silicon content ratio in the anode active material in the first layer, and B represents a silicon content ratio in the anode active material in the second layer.Type: ApplicationFiled: January 28, 2011Publication date: August 11, 2011Applicant: SONY CORPORATIONInventors: Shunsuke Kurasawa, Takashi Fujinaga, Momoe Adachi, Kenichi Kawase
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Publication number: 20110192623Abstract: A lithium ion secondary battery having superior cycle characteristic is provided. The lithium ion secondary battery includes a cathode, an anode and an electrolyte. The anode has an anode active material layer including a plurality of anode active material fibers containing silicon as an element provided on an anode current collector.Type: ApplicationFiled: January 31, 2011Publication date: August 11, 2011Applicant: SONY CORPORATIONInventors: Takashi Fujinaga, Shunsuke Kurasawa, Momoe Adachi, Kenichi Kawase
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Patent number: 7906237Abstract: A battery is provided which has a high capacity and can improve battery characteristics, such as cycle characteristics. The battery includes a spirally wound electrode body, wherein a cathode and an anode are wound with a separator in between. The anode includes, for example, simple substances, alloys, compounds of metal elements or metalloid elements capable of forming an alloy with Li, the like and combinations thereof. An electrolytic solution wherein an electrolyte salt is dissolved in a solvent is impregnated in the separator. For the electrolyte salt, a light metallic salt having B—O bond or P—O bond, such as difluoro[oxalato-O,O?]lithium borate and tetra fluoro[oxalato-O,O?]lithium phosphate, can be used. By forming a stable coating, decomposition reaction of the solvent can be inhibited, and reaction between the anode and the solvent can be prevented.Type: GrantFiled: June 10, 2004Date of Patent: March 15, 2011Assignee: Sony CorporationInventors: Momoe Adachi, Shigeru Fujita, Masahiro Aoki, Hiroyuki Akashi, Yoshiaki Naruse
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Patent number: 7846582Abstract: A negative electrode is provided. The negative electrode includes a negative electrode current collector, and a negative electrode active material layer formed over the negative electrode current collector, and including a plurality of columnar bodies. An organic material layer having ion conductivity is held by said negative electrode active material layer, said organic material layer is formed at least in an inside of each of said columnar bodies. The active material layer may include silicon.Type: GrantFiled: November 30, 2007Date of Patent: December 7, 2010Assignee: Sony CorporationInventors: Momoe Adachi, Isamu Konishiike, Kenichi Kawase
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Patent number: 7736794Abstract: The invention provides a battery, which can improve battery characteristics such as high temperature storage characteristics. The battery comprises a battery device, wherein a cathode and an anode are wound with a separator in between. The anode contains an anode material capable of inserting and extracting Li as an anode active material. An electrolytic solution is impregnated in the separator. The electrolytic solution contains a solvent, and an electrolyte salt such as Li[B(CF3)4] dissolved in the solvent, which is expressed by a chemical formula of Li[B(RF1)(RF2)(RF3)RF4]. RF1, RF2, RF3, and RF4 represent a perfluoro alkyl group whose number of fluorine or carbon is from 1 to 12, respectively. Consequently, high temperature storage characteristics are improved.Type: GrantFiled: August 29, 2007Date of Patent: June 15, 2010Assignee: Sony CorporationInventors: Tadahiko Kubota, Momoe Adachi, Shigeru Fujita
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Publication number: 20090246628Abstract: A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles observed from a surface of the anode active material layer is within a range of 1 ?m2 to 60 ?m2 both inclusive.Type: ApplicationFiled: March 23, 2009Publication date: October 1, 2009Applicant: Sony CorporationInventors: Momoe ADACHI, Shunsuke KURASAWA, Isamu KONISHIIKE, Kenichi KAWASE
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Patent number: 7510803Abstract: A battery with a high battery voltage at charging and improved energy density is provided. A cathode (12) and an anode (14) are laminated with a separator (15) sandwiched therebetween which is impregnated with an electrolyte. The cathode (12) has a cathode active material including a lithium composite oxide which contains lithium, at least either cobalt or nickel, and oxygen. The battery voltage at charging is 4.25 V or more. The total amount of lithium carbonate and lithium sulphate in the cathode (12) to the cathode active material is 1.0 wt % or less, a concentration of protic impurities in the electrolyte, which is converted to a mass ratio of protons to the electrolyte, is 20 ppm or less, or moisture content in the electrolyte is 20 ppm mass ratio or less to the electrolyte. This inhibits metal eluting from the lithium composite oxide even at high voltages.Type: GrantFiled: August 23, 2002Date of Patent: March 31, 2009Assignee: Sony CorporationInventors: Momoe Adachi, Shigeru Fujita, Takuya Endo, Yasunobu Iwakoshi, Goro Shibamoto