Search Patents
  • Electrolytic solution for lithium battery, lithium battery employing the same and method for operating the lithium battery
    Patent number: 9093702
    Abstract: In an embodiment of the invention, an electrolytic solution for a lithium battery including a cathode having a nickel (Ni)-cobalt (Co)-manganese (Mn)-based active material includes a nonaqueous organic solvent, a lithium salt, and adiponitrile. A lithium battery employs the electrolytic solution. A method of operating the battery includes charging the battery to a final charge voltage of about 4.25V or greater.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: July 28, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Sung Kim, Mi-Hyeun Oh, Jin-Hyuk Lim, Su-Hee Han, Na-Rae Park
  • POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20100209770
    Abstract: A positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a nickel-based positive active material, a binder, and a conductive material, wherein the binder is included in an amount of 120 to 160 parts by weight based on 100 parts by weight of the conductive material.
    Type: Application
    Filed: December 31, 2009
    Publication date: August 19, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventor: Wan-Mook LIM
  • Sintered nickel electrode for alkaline storage battery, method of forming the same, and alkaline storage battery
    Publication number: 20020164526
    Abstract: In a sintered nickel electrode for alkaline storage battery formed by filling nickel hydroxide as an active material into a porous sintered substrate and an alkaline storage battery using as its positive electrode the sintered nickel electrode for alkaline storage battery, tungstic acid is adhered to a surface of said nickel hydroxide as an active material.
    Type: Application
    Filed: February 4, 2002
    Publication date: November 7, 2002
    Inventors: Yuki Morikawa, Takeshi Ogasawara, Mitsunori Tokuda, Mutsumi Yano, Shin Fujitani
  • Batteries comprising alkali-transition metal phosphates and preferred electrolytes
    Publication number: 20030190527
    Abstract: Lithium batteries comprising:
    Type: Application
    Filed: April 3, 2002
    Publication date: October 9, 2003
    Inventors: James Pugh, Mohammed Y. Saidi, Haitao Huang
  • POSITIVE ELECTRODE ACTIVE MATERIAL FOR MAGNESIUM SECONDARY BATTERY, MAGNESIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR MAGNESIUM SECONDARY BATTERY, AND METHOD FOR MANUFACTURING MAGNESIUM SECONDARY BATTERY
    Publication number: 20140004422
    Abstract: The purpose of the present invention is to provide a magnesium secondary battery, which can be charged with electricity and can discharge electricity to be used as a magnesium secondary battery and is capable of improving characteristics of magnesium secondary batteries The positive electrode active material for a magnesium secondary battery is expressed by compositional formula of MgMSiO4, where M contains at least one element selected from among Co, Ni and Fe.
    Type: Application
    Filed: March 27, 2012
    Publication date: January 2, 2014
    Applicant: SHOEI CHEMICAL INC.
    Inventors: Jun Yang, Yanna Nuli
  • LITHIUM SECONDARY BATTERY
    Publication number: 20010008731
    Abstract: A lithium secondary battery according to the present invention comprises:
    Type: Application
    Filed: December 24, 1998
    Publication date: July 19, 2001
    Inventors: TAKESHI MAEDA, HIDEYUKI INOMATA, NAOYA NAKANISHI, IKUO YONEZU, KOJI NISHIO
  • 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
  • CATHODE ACTIVE MATERIALS FOR LITHIUM SECONDARY BATTERY AND PREPARATION METHOD THEREOF
    Publication number: 20140057175
    Abstract: Provided is a cathode active material for a lithium secondary battery and a method for preparing the same. The cathode active material for a lithium secondary battery allows a lithium secondary battery to realize high capacity and to maintain maximum capacity even at high voltage, prevents a drop in capacity during repeated charge/discharge cycles, and improves the lifespan of a lithium secondary battery.
    Type: Application
    Filed: January 15, 2013
    Publication date: February 27, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventor: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
  • POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20150010823
    Abstract: In an aspect, a positive active material for a rechargeable lithium battery including overlithiated layered oxide (OLO), a method of preparing the same, and a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same is disclosed.
    Type: Application
    Filed: June 10, 2014
    Publication date: January 8, 2015
    Inventors: Byong-Yong Yu, Jay-Hyok Song, Jun-Seok Park, Andrei Kapylou, Chang-Wook Kim, Yong-Chan You, Sun-Ho Kang
  • Battery active materials and methods for synthesis
    Publication number: 20040262571
    Abstract: Active materials for rechargeable batteries have a general formula
    Type: Application
    Filed: May 17, 2004
    Publication date: December 30, 2004
    Inventors: Jeremy Barker, M. Yazid Saidi, Jeffrey Swoyer
  • Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery
    Patent number: 7527890
    Abstract: A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or the battery temperature is not higher than a specified value and of being incapable of charge when the gas pressure in the battery and/or the battery temperature exceeds the specified value.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: May 5, 2009
    Assignee: Yuasa Corporation
    Inventors: Mitsuhiro Kodama, Seijiro Ochiai, Kouichi Sakamoto, Kaori Syodai, Masaki Miyamoto, Manabu Kanemoto, Yoshihiro Katayama, Minoru Kuzuhara, Masaharu Watada
  • ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    Publication number: 20120052392
    Abstract: An active material for a non-aqueous electrolyte secondary battery capable of increasing an action potential after the operation of a charge/discharge cycle in a non-aqueous electrolyte secondary battery. The active material for a non-aqueous electrolyte secondary battery includes lithium transition metal composite oxide particles to the surfaces of which boride particles are sintered.
    Type: Application
    Filed: August 24, 2011
    Publication date: March 1, 2012
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Masanobu Takeuchi, Manabu Takijiri, Yoshinori Kida
  • NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20120231339
    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: Application
    Filed: February 9, 2012
    Publication date: September 13, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sung Soo Park, Yong-Sun Won, Jae-Hak Lee
  • ALKALINE STORAGE BATTERY CATHODE, METHOD FOR MANUFACTURING ALKALINE STORAGE BATTERY CATHODE, ALKALINE STORAGE BATTERY, METHOD FOR MANUFACTURING ALKALINE STORAGE BATTERY, ALKALINE STORAGE BATTERY CATHODE ACTIVE MATERIAL, AND METHOD FOR MANUFACTURING ALKALINE STORAGE BATTERY CATHODE ACTIVE MATERIAL
    Publication number: 20140205906
    Abstract: This alkaline storage battery cathode is provided with: nickel hydroxide particles covered by a cobalt-compound coating layer; a zinc compound; and an yttrium compound and/or an ytterbium compound. The zinc compound and the yttrium compound and/or ytterbium compound are blended at a blend ratio that is in accordance with the ratio of the capacity characteristics of the alkaline storage battery and the output characteristics of the alkaline storage battery.
    Type: Application
    Filed: April 11, 2012
    Publication date: July 24, 2014
    Applicant: PRIMEARTH EV ENERGY CO., LTD.
    Inventors: So Kudo, Kenichi Maehara, Sachio Takeda, Kazuhiro Ookawa, Satoru Takehara, Hiroyuki Sakamoto
  • Secondary battery positive electrode and secondary battery using the same
    Publication number: 20030082453
    Abstract: In a secondary battery using an Li-containing oxide for a positive electrode, a nitride such as TiN or ZrN or an oxide such as MoO3, TiO, Ti2O3, NbO, or RuO2 is employed as an electroconductive giving agent. Thereby a secondary battery that is excellent in battery performance, especially excellent in capacity retaining performance and charge and discharge cycle performance at a high temperature, and more specifically, a high-voltage secondary battery the energy density of which is high can be obtained.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 1, 2003
    Inventors: Tatsuji Numata, Takehiro Noguchi
  • Lithium ion battery capable of being discharged to zero volts
    Publication number: 20090169998
    Abstract: A lithium ion battery particularly configured to be able to discharge to a very low voltage, e.g. zero volts, without causing permanent damage to the battery. More particularly, the battery is configured to define a Zero Volt Crossing Potential (ZCP) which is lower than a Damage Potential Threshold (DPT).
    Type: Application
    Filed: October 25, 2007
    Publication date: July 2, 2009
    Inventors: Hisashi Tsukamoto, Clay Kishiyama, Mikito Nagata, Hiroshi Nakahara, Tiehua Piao
  • Nickel hydroxide electrode for alkaline storage battery and alkaline storage battery
    Patent number: 6835498
    Abstract: A nickel hydroxide electrode for an alkaline storage battery comprises titanium hydroxide formed on the surface of nickel hydroxide as a main active material impregnated into pores of a porous sintered substrate. An alkaline storage battery comprises a negative electrode and the nickel hydroxide electrode as a positive electrode. The alkaline storage battery provides a high discharge capacity even if the battery is charged under a high temperature atmosphere.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: December 28, 2004
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Mitsunori Tokuda, Takeshi Ogasawara, Mutsumi Yano, Shin Fujitani
  • Secondary battery and secondary battery array
    Patent number: 9786898
    Abstract: A secondary battery and a secondary battery array are disclosed. In one aspect, the secondary battery includes an electrode assembly and a battery case accommodating the electrode assembly. The battery also includes a plurality of lead terminals comprising a first pair of lead terminals having opposite polarities and outwardly extending from the electrode assembly to protrude from a first side of the battery case and a second pair of lead terminals having opposite polarities and outwardly extending from the electrode assembly to protrude from a second side of the battery case opposing the first side. The battery further includes a plurality of insulation members respectively extending along the first and second pairs of lead terminals to at least partially cover the lead terminals.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: October 10, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Sangdo Heo
  • Lithium secondary battery and battery device comprising same
    Publication number: 20030190499
    Abstract: A lithium secondary battery comprises a negative electrode capable of intercalating/deintercalating lithium ion, a positive electrode made of a lithium-containing metal oxide as an active positive material, and a nonaqueous electrolyte, and a polyvinylidene fluoride resin is disposed between said negative electrode and positive electrode so that the battery voltage doesn't rise beyond a predetermined value even when said battery is overcharged.
    Type: Application
    Filed: December 13, 2000
    Publication date: October 9, 2003
    Inventors: Hiroshi Watanabe, Shiori Nakamizo, Satoshi Narukawa
  • Process for preparing cathode material for lithium batteries
    Publication number: 20030185743
    Abstract: The present invention relates to a novel process based on solid state thermal reaction for the preparation of cathode materials for lithium secondary batteries such as rocking chair and intercalated batteries.
    Type: Application
    Filed: March 29, 2002
    Publication date: October 2, 2003
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Chandrasekaran Ramasamy, Vasudevan Thiagarajan, Mani Ariyanan, Gangadharan Ramaiyer