Abstract: Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a rechargeable lithium battery using the same. The negative active material composition includes a negative active material, an additive capable of forming a surface electrolyte interface film on a negative electrode during charge and discharge, a binder, and an organic solvent.
Type:
Application
Filed:
February 21, 2003
Publication date:
September 11, 2003
Inventors:
Chang-Seob Kim, Ju-Hyung Kim, Un-Sick Park
Abstract: It is intended to provide a nonaqueous electrolyte battery that satisfies both of a large discharge capacity and a superior cycle life characteristic by developing a novel negative electrode material.
Abstract: In a nickel-metal hydride rechargeable battery comprising a positive electrode of nickel hydroxide and a negative electrode of hydrogen-absorption alloy, prolonged battery lite is achieved by limiting the charge and discharge operations to be performed in the range of 20-60% of the hydrogen-absorption capacity of the hydrogen-absorption alloy.
Type:
Application
Filed:
April 8, 2002
Publication date:
December 5, 2002
Applicant:
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Inventors:
Nobuyasu Morishita, Shinichiro Ito, Hajime Seri
Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine, a modified olivine, or the rhombohedral NASICON structure and the polyanion (PO4)3− as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
Type:
Application
Filed:
December 2, 2002
Publication date:
May 1, 2003
Inventors:
Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
Abstract: A negative electrode for a lithium battery and a lithium battery including the negative electrode, the negative electrode including: a matrix of a Sn grain and a metal M grain; and a carbon-based material grown on the matrix.
Type:
Application
Filed:
November 22, 2010
Publication date:
June 2, 2011
Applicant:
Samsung SDI Co., Ltd
Inventors:
Beom-Kwon Kim, Jae-Myung Kim, Kyu-Nam Joo, Jong-Hee Lee, So-Ra Lee, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung
Abstract: A positive active material for a rechargeable lithium battery including a lithium-nickel cobalt manganese composite metal oxide; and 0.18 to 0.25 wt % of sulfur is provided.
Abstract: An electrode for a rechargeable battery and a rechargeable battery, the electrode including a current collector; an electrode active material layer; and an electrolyte solution impregnation layer, wherein the electrolyte solution impregnation layer includes a metal oxide and a conductive material.
Abstract: An improved rechargeable lithium battery is described comprising a transition metal compound as cathode active material and carbonaceous particles as anode active material, having prior intercalated lithium ions in the carbonaceous particles in the anode of the assembled lithium battery, thereby reducing the weight of the cathode active material required. The rechargeable lithium battery has increased energy density per unit weight and per unit volume.
Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
Type:
Application
Filed:
October 4, 2012
Publication date:
January 31, 2013
Inventors:
Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
Abstract: A alkaline storage battery using positive electrodes comprising an active material containing nickel hydroxide particles and a rare earth element or a compound thereof containing or mixed with 0.1-100 ppm of Fe or an Fe compound based on the rare earth element or the compound thereof is provided.
Abstract: A pasted or pressed plate for an electrolytic cell or battery having an electrically conductive, perforated substrate with embossed major surfaces.
Abstract: A positive electrode material for a lithium secondary battery includes a lithium manganese oxide having a spinel structure, expressed by one of the general formulae; LixMnyO4
Abstract: A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers.
Type:
Application
Filed:
December 10, 2010
Publication date:
June 23, 2011
Inventors:
Kyu-Nam Joo, Beom-Kwon Kim, Jong-Hee Lee, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung, So-Ra Lee, Jae-Myung Kim
Abstract: In a positive electrode active material for alkaline storage batteries according to the present invention, a surface of a nickel hydroxide is coated with a mixed crystal material of at least one type of element selected from aluminum Al, manganese Mn, iron Fe, yttrium Y, ytterbium Yb, erbium Er, and gadolinium Gd and cobalt, the valence of nickel in the nickel hydroxide is in the range of 2.0 to 2.3, and the valence of cobalt in the mixed crystal material exceeds 3.0. The positive electrode active material for alkaline storage batteries is used for a positive electrode for alkaline storage batteries, and the positive electrode for alkaline storage batteries is further used for an alkaline storage battery.
Abstract: The present invention relates to a cathode active material for a lithium secondary battery comprising: a core including a compound represented by chemical formula 1, and a shell including a compound represented by chemical formula 2, wherein the material composition of the core and the material composition of the shell are different; and a lithium secondary battery including the cathode active material for a lithium secondary battery.
Type:
Application
Filed:
November 17, 2011
Publication date:
December 19, 2013
Applicant:
INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
Inventors:
Yang-Kook Sun, Won-Gi Kim, Seung-Min Oh
Abstract: A non-aqueous electrolyte battery according to the present invention is a non-aqueous electrolyte battery including a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte, wherein aluminum silicate or a derivative thereof is contained in a location that can come into contact with the non-aqueous electrolyte in the battery. In the non-aqueous electrolyte battery, it is preferable that at least one of the separator, the positive electrode, the negative electrode and the non-aqueous electrolyte contains aluminum silicate or a derivative thereof.
Abstract: A nickel-hydrogen secondary battery comprises a positive electrode (10) and a negative electrode (12) opposite each other with a separator (18) between, and contained in a container (14) with an alkaline electrolyte.
Abstract: A thermally managed Li-ion battery assembly including an anode and a cathode, wherein at least one of the anode and the cathode includes a thermocrystal metamaterial structure.
Abstract: A positive active material composition for a rechargeable battery, a positive electrode including the same, and a rechargeable battery including the same, the positive active material composition including a positive active material and a surface-modified metal oxide.
Type:
Grant
Filed:
November 5, 2009
Date of Patent:
July 17, 2012
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Dai-Hoe Lee, Takaya Saito, Hyun-Ki Jung, Min-Hee Kim