Patent application number | Description | Published |
20080292972 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including: a negative electrode comprising lithium-vanadium oxide having the following Formula 1 and being capable of intercalating and deintercalating lithium ions, and a carbon-based material; a positive electrode comprising a positive active material capable of intercalating and deintercalating lithium ions; and an electrolyte comprising a monomer including alkylene oxide and a reactive double bond, a lithium salt, and a non-aqueous organic solvent. | 11-27-2008 |
20110097629 | Negative Active Material for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes Si-based material core, a carbon coating layer coating the surface of the Si-based material core, and an inorganic salt position on the surface of the carbon coating layer. | 04-28-2011 |
20110165464 | Negative Electrode for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector and a negative active material layer disposed on the current collector, wherein the negative active material layer includes a negative active material including a silicon-based core and a carbon layer disposed on the surface of the silicon-based core, an inorganic salt including an alkaline metal cation selected from a Na cation, a K cation, or a combination of these; and an anion selected from a carbonate anion, a halogen anion, or a combination of these, and an aqueous binder. | 07-07-2011 |
20110165467 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector, a negative active material composition layer disposed on the surface of the current collector and including a negative active material, and an inorganic salt layer disposed on the surface of the negative active material composition layer and including an inorganic salt. The negative active material includes a silicon-based core and a carbon layer disposed on the surface of the silicon-based core. The inorganic salt includes an alkaline metal cation selected from a Na cation, a K cation, or a combination thereof; and an anion selected from a carbonate anion, a halogen anion, or a combination thereof. | 07-07-2011 |
20120104312 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The present invention relates to negative active materials for rechargeable lithium batteries, manufacturing methods thereof, and rechargeable lithium batteries including the negative active materials. A negative active material for a rechargeable lithium battery includes a core including a material capable of carrying out reversible oxidation and reduction reactions and a coating layer formed on the core. The coating layer has a reticular structure. | 05-03-2012 |
Patent application number | Description | Published |
20080213673 | ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY COMPRISING THE SAME - An electrolyte for a lithium battery and a lithium battery thereof are provided. The electrolyte includes a non-aqueous organic solvent; lithium salt; and an additive selected from the group consisting of the compounds represented by formulas (1) to (3), and combinations thereof: | 09-04-2008 |
20090068562 | Rechargeable lithium battery - A rechargeable lithium battery includes a positive electrode including a positive active material that can reversely intercalate/deintercalate lithium ions, a negative electrode including a negative active material that can reversely intercalate/deintercalate lithium ions, and a non-aqueous electrolyte including includes a non-aqueous organic solvent, a lithium salt, and at least one additive including a dinitrile-based compound. The negative active material includes a compound represented by Li | 03-12-2009 |
20090068566 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including: a negative electrode including lithium-vanadium-based oxide, negative active material; a positive electrode including a positive active material to intercalate and deintercalate lithium ions; and an electrolyte including a non-aqueous organic solvent, and a lithium salt. The lithium salt includes 0.7 to 1.2M of a first lithium salt including LiPF6; and 0.3 to 0.8M of a second lithium salt selected from the group consisting of LiBC | 03-12-2009 |
20090087748 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material of a negative electrode of a rechargeable lithium battery, the negative active material including a metallic active material core and a polymer, having a tensile strength of at least 40 MPa, coated on particles of the metallic active material. The polymer controls the volumetric expansion of the negative active material and enhances the cycle-life characteristics of the battery. | 04-02-2009 |
20090136845 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode for a rechargeable lithium battery includes a current collector, and a negative active material layer on the current collector. The negative active material layer includes an interpenetrating network network, and a negative active material in the interpenetrating network network. The interpenetrating network is formed by cross-linking a first polymer having a hydroxyl or amine group and a second polymer having a carboxylic acid group. The negative electrode for a rechargeable lithium battery minimizes volume expansion and imparts good cycle-life characteristics and initial formation efficiency. | 05-28-2009 |
20100209772 | NON-AQUEOUS ELECTROLYTE, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed is a non-aqueous electrolyte and a lithium rechargeable battery including the same, a first lithium salt represented by the following Chemical Formula 1, and a second lithium salt excluding boron. | 08-19-2010 |
20100255369 | Electrolyte for Rechargeable Lithium Battery Including Additives, and Rechargeable Lithium Battery Including the Same - An electrolyte for a rechargeable lithium battery that includes a non-aqueous organic solvent, a lithium salt, and an electrolyte additive. The electrolyte additive includes 2 to 6 wt % of succinonitrile, 2 to 6 wt % of alkane sultone, and 1 to 3 wt % of vinylethylene carbonate based on the total weight of the electrolyte. | 10-07-2010 |