Search Patents
  • Electrode for secondary battery and secondary battery using same
    Patent number: 10320026
    Abstract: A secondary battery which is highly safe even when it becomes in excessively high-temperature conditions and is excellent in cycle characteristics, and an electrode for a secondary battery are provided. The present invention relates to an electrode for a secondary battery comprising a maleimide compound and a conductive agent, wherein the conductive agent comprises at least one selected from carbon nanotube and carbon nanohorns.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: June 11, 2019
    Assignee: NEC Corporation
    Inventor: Takeshi Azami
  • HIGH-POWER BATTERY
    Publication number: 20110117435
    Abstract: A method of forming battery electrodes with high specific surface and thin layers of active material is disclosed. The method enables low series resistance and high battery power.
    Type: Application
    Filed: October 18, 2010
    Publication date: May 19, 2011
    Inventors: DONALD L. McGERVEY, PAUL T. SZOZDOWSKI, GERHARD E. WELSCH
  • Disposable lithium batteries
    Patent number: 6627353
    Abstract: A safely disposable lithium battery includes a lithium anode having a capacity which is predetermined to cause complete consumption of all free lithium during battery reaction to produce electrical power in the period from initial activation until complete discharge of the battery.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: September 30, 2003
    Assignee: Lithium Power Technologies, Inc.
    Inventor: M. Zaraf A. Munshi
  • Active material of anode of lithium-ion battery, anode of lithium-ion battery and lithium-ion battery
    Patent number: 11430989
    Abstract: An anode active material of a lithium-ion battery is provided. The active material of the anode of the lithium-ion battery includes silicon, tin and copper-zinc alloy, in which tin is substantially in an elemental state. Moreover, an anode of a lithium-ion battery is provided. The anode of the lithium-ion battery includes the active material as mentioned above.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: August 30, 2022
    Assignee: Daxin Materials Corporation
    Inventors: Jui-Shen Chang, Yun-Shan Lo, Kuo-Cheng Huang
  • Negative electrode for lithium secondary battery and lithium secondary battery comprising same
    Publication number: 20040081889
    Abstract: A negative electrode for a lithium secondary battery includes a substrate having a mean roughness of 30 to 4000 Å and a lithium layer coated on the substrate, and a lithium secondary battery includes the negative electrode. The obtained lithium secondary battery has improved cycle-life characteristics.
    Type: Application
    Filed: June 26, 2003
    Publication date: April 29, 2004
    Applicant: SAMSUNG SDI CO,, LTD
    Inventors: Jea-Woan Lee, Chung-Kun Cho
  • High-power battery
    Patent number: 8367246
    Abstract: A method of forming battery electrodes with high specific surface and thin layers of active material is disclosed. The method enables low series resistance and high battery power.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: February 5, 2013
    Inventors: Donald L. McGervey, Paul T. Szozdowski, Gerhard E. Welsch
  • Metal Oxygen Battery Containing Oxygen Storage Materials
    Publication number: 20110143173
    Abstract: A battery system includes a metal oxygen battery. The metal oxygen battery includes a first electrode, an oxygen storage material, and a selective transport member separating the oxygen storage material and the first electrode.
    Type: Application
    Filed: July 1, 2010
    Publication date: June 16, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Andrew Robert Drews, Andrea Pulskamp, Jun Yang, Shinichi Hirano, Michael Alan Tamor
  • SECONDARY BATTERY AND ELECTRODE FOR SECONDARY BATTERY
    Publication number: 20140370391
    Abstract: A secondary battery includes a positive electrode and a negative electrode. The negative electrode includes first particles made of metal and second particles made of a silicon containing substance. The first particles are in contact with the second particles.
    Type: Application
    Filed: June 25, 2013
    Publication date: December 18, 2014
    Applicant: GREENFUL NEW ENERGY CO., LTD.
    Inventors: Si MENGQUN, Zhou YING
  • Non-aqueous electrolyte secondary battery
    Patent number: 6572998
    Abstract: A non-aqueous electrolyte secondary battery having a structure which enables an electrode device to easily be inserted into a battery can thereof even if the thickness of the battery is reduced. Thus, excellent productivity and reliability can be realized. A non-aqueous electrolyte secondary battery according to the present invention has a structure that a largest opening of the battery can is hermetically sealed by a battery cover having a terminal.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: June 3, 2003
    Assignee: Sony Corporation
    Inventor: Masayuki Kageyama
  • Positive electrode for lithium-sulfur battery and lithium-sulfur battery fabricated using same
    Publication number: 20040009396
    Abstract: A positive electrode for a lithium-sulfur battery includes a positive active material, a binder, a conductive agent, and a surfactant.
    Type: Application
    Filed: May 6, 2003
    Publication date: January 15, 2004
    Applicant: SAMSUNG SDI Co., Ltd
    Inventors: Seok Kim, YongJu Jung, Ji-Seong Han, Jan-Dee Kim
  • Electrolyte for lithium-sulfur battery and lithium-sulfur battery
    Publication number: 20040048164
    Abstract: An electrolyte for a lithium-sulfur battery has organic solvents including dimethoxyethane, dioxolane, and diglyme.
    Type: Application
    Filed: May 9, 2003
    Publication date: March 11, 2004
    Applicant: SAMSUNG SDI CO., LTD. of Republic of Korea
    Inventors: Yongju Jung, Seok Kim, Jan-Dee Kim
  • NEGATIVE ELECTRODE ACTIVE SUBSTANCE AND LITHIUM BATTERY
    Publication number: 20140154574
    Abstract: A negative electrode active substance for lithium battery is an oxide containing Re at least.
    Type: Application
    Filed: November 21, 2013
    Publication date: June 5, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kunihiro NOBUHARA
  • Thermal battery cathode materials and batteries including same
    Patent number: 8440342
    Abstract: Cathode materials for use in thermal batteries are disclosed. The cathode material includes a primary active material and an amount of a bi-metal sulfide such as CuFeS2. Batteries (e.g., thermal batteries) that contain such cathode materials are also disclosed.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: May 14, 2013
    Assignee: Eaglepicher Technologies, LLC
    Inventors: Geoffrey Swift, Charles Lamb
  • Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
    Patent number: 9419272
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery including lithium silicide having a I41-a crystalline phase structure, a method of manufacturing the same, and a rechargeable lithium battery including the same.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: August 16, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sung Soo Park, Yong-Sun Won, Jae-Hak Lee
  • High-Power Battery
    Publication number: 20090042101
    Abstract: A method of forming battery electrodes with high specific surface and thin layers of active material is disclosed. The method enables low series resistance and high battery power.
    Type: Application
    Filed: August 9, 2007
    Publication date: February 12, 2009
    Inventors: Donald L. McGervey, Paul T. Szozdowski, Gerhard E. Welsch
  • Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
    Publication number: 20070190415
    Abstract: A negative active material for a rechargeable lithium battery, a method for preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a metal that is liquid at room temperature when alloyed with Sn, and Sn. The negative active material can provide a battery having excellent cycle-life characteristics.
    Type: Application
    Filed: February 9, 2007
    Publication date: August 16, 2007
    Inventors: Min-Seok Sung, Joon-Sup Kim, Sung-Soo Kim
  • Method for producing coated active materials, core, battery and method for producing batteries using the materials
    Patent number: 10388949
    Abstract: A method for producing coated active materials includes aqueously coating surfaces of the active materials and subsequently carbonizing the coated particles. A core, a battery and a method for using the materials for batteries are also provided.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 20, 2019
    Assignee: SGL Carbon SE
    Inventors: Ruediger-Bernd Schweiss, Lea Schumann, Christian Hammer
  • Negative electrode for lithium secondary battery
    Publication number: 20020001749
    Abstract: The present invention provides a negative electrode for a lithium secondary battery and a lithium secondary battery having the negative electrode.
    Type: Application
    Filed: May 25, 2001
    Publication date: January 3, 2002
    Inventors: Takuya Hashimoto, Atsushi Fukui, Yasuhiko Itoh
  • LITHIUM-ION BATTERY AND LITHIUM-ION BATTERY ELECTRODE STRUCTURE WITH DOPANTS
    Publication number: 20140141318
    Abstract: A lithium-ion battery and a lithium-ion battery electrode structure are disclosed. The lithium-ion battery electrode structure comprises a metal foil and a semiconductor nanowire matrix. The semiconductor nanowire matrix is disposed on the metal foil, and is doped with dopants.
    Type: Application
    Filed: June 17, 2013
    Publication date: May 22, 2014
    Inventors: Si-Chen Lee, Jhao-Ru Huang, Hsu-Kai Chang, Nae-Lih Wu, Yu-Chan Yen, Chun-Chieh Lin
  • Metal/active oxygen batteries
    Publication number: 20040091774
    Abstract: A battery includes an anode comprising a metal, a cathode comprising an active oxygen species, and a non-aqueous electrolyte, wherein oxidation of the metal and reduction of the active oxygen species provides the current of the battery.
    Type: Application
    Filed: October 4, 2002
    Publication date: May 13, 2004
    Inventors: Subhash Narang, Susanna Ventura, Sunity Sharma