Patents by Inventor Kimio Tajima
Kimio Tajima 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: 10707539Abstract: A battery is provided including an anode, a cathode and an electrolyte; wherein the electrolyte includes one or both of fluoro ethylene carbonate and difluoro ethylene carbonate in an amount of 0.5% by mass or more and 10% by mass or less, wherein the anode includes an anode active material layer provided on an anode current collector, and wherein a thickness of the anode active material layer, after charging the battery, is 58 um or more and 75 um or less.Type: GrantFiled: November 17, 2017Date of Patent: July 7, 2020Assignee: Murata Manufacturing Co., Ltd.Inventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Publication number: 20180076490Abstract: A battery is provided including an anode, a cathode and an electrolyte; wherein the electrolyte includes one or both of fluoro ethylene carbonate and difluoro ethylene carbonate in an amount of 0.5% by mass or more and 10% by mass or less, wherein the anode includes an anode active material layer provided on an anode current collector, and wherein a thickness of the anode active material layer, after charging the battery, is 58 um or more and 75 um or less.Type: ApplicationFiled: November 17, 2017Publication date: March 15, 2018Inventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Patent number: 9831532Abstract: The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more.Type: GrantFiled: November 19, 2013Date of Patent: November 28, 2017Assignee: Sony CorporationInventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Patent number: 9647298Abstract: A nonaqueous electrolyte battery is provided. The nonaqueous electrolyte battery includes an anode; a cathode; a separator; an electrolytic solution including a solvent and an electrolyte salt; wherein the solvent includes a fluoro ethylene carbonate, wherein the nonaqueous electrolyte battery has a discharge capacity ratio of a discharge capacity B when discharging at a 5 C rate to a discharge capacity A when discharging at a 0.2 C rate ((B/A)×100%), and wherein the discharge capacity ratio is 80% or more. An electrical apparatus including a nonaqueous electrolyte battery is also provided.Type: GrantFiled: June 16, 2016Date of Patent: May 9, 2017Assignee: Sony CorporationInventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Patent number: 9575137Abstract: A control apparatus includes, for example, an input unit to which a plurality of pieces of voltage information related to a voltage of an electric storage unit upon discharge are input, and a determination unit configured to use the voltage information in an early stage of the discharge and determine the presence or absence of a deterioration of the electric storage unit.Type: GrantFiled: October 24, 2013Date of Patent: February 21, 2017Assignee: SONY CORPORATIONInventors: Kimio Tajima, Kohki Watanabe
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Publication number: 20160301110Abstract: A nonaqueous electrolyte battery is provided. The nonaqueous electrolyte battery includes an anode; a cathode; a separator; an electrolytic solution including a solvent and an electrolyte salt; wherein the solvent includes a fluoro ethylene carbonate, wherein the nonaqueous electrolyte battery has a discharge capacity ratio of a discharge capacity B when discharging at a 5 C rate to a discharge capacity A when discharging at a 0.2 C rate ((B/A)×100%), and wherein the discharge capacity ratio is 80% or more. An electrical apparatus including a nonaqueous electrolyte battery is also provided.Type: ApplicationFiled: June 16, 2016Publication date: October 13, 2016Inventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Publication number: 20150293182Abstract: A control apparatus includes, for example, an input unit to which a plurality of pieces of voltage information related to a voltage of an electric storage unit upon discharge are input, and a determination unit configured to use the voltage information in an early stage of the discharge and determine the presence or absence of a deterioration of the electric storage unit.Type: ApplicationFiled: October 24, 2013Publication date: October 15, 2015Inventors: Kimio Tajima, Kohki Watanabe
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Publication number: 20140080007Abstract: The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more.Type: ApplicationFiled: November 19, 2013Publication date: March 20, 2014Applicant: Sony CorporationInventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Patent number: 8609286Abstract: The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more.Type: GrantFiled: October 24, 2008Date of Patent: December 17, 2013Assignee: Sony CorporationInventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
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Publication number: 20090123849Abstract: The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more.Type: ApplicationFiled: October 24, 2008Publication date: May 14, 2009Applicant: Sony CorporationInventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto