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9034520 Positive active material for lithium secondary battery  
Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at...
9029026 Atmospheric self-charging battery  
A battery (10) is disclosed having a negative or anodic half cell (12) and a cathodic or positive half cell (13). The positive and negative half cells are encased within a fabric within a...
9023526 Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same  
A positive active material for a rechargeable lithium battery includes pores having an average diameter of about 10 nm to about 60 nm and a porosity of about 0.5% to about 20%. Also disclosed is a...
9023525 Cathode active material for lithium secondary battery  
Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery...
9017873 Lithium titanate composite material, method for making the same, and lithium ion battery using the same  
A lithium titanate composite material includes a lithium titanate particle and a double layered structure coated on a surface of the lithium titanate particle. The double layered structure...
9017872 Lithium titanate composite material, method for making the same, and lithium ion battery using the same  
A lithium titanate composite material includes lithium titanate particles and an AlPO4/C composite layer disposed on a surface of the lithium titanate particles. The AlPO4/C composite layer...
9005813 Negative electrode active material, method for preparing the same and lithium secondary battery including negative electrode active material  
A negative electrode active material, a method of preparing the negative electrode active material and a lithium secondary battery including the negative electrode active material are disclosed. A...
8999579 Surface treated anode active material and method of making the same, anode including the same, and lithium battery including the same  
An anode includes a collector; and an anode active material layer disposed on the collector comprises an anode active material, which is lithium oxide coated Li4Ti5O12, a conductive material, and...
8993167 Cathode materials and lithium secondary battery containing the same  
Provided is a cathode active material composed of lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide contains nickel in an amount of 40% or higher, based on the total...
8986885 Lithium ion battery  
An object of the present invention is to provide a lithium ion battery which is excellent in properties at large current and can be applied to applications requiring high output power even when...
8986570 Positive electrode active material for lithium secondary battery and use thereof  
The present invention discloses a method for producing a positive electrode active material for a lithium secondary battery constituted by a lithium-nickel-cobalt-manganese complex oxide with a...
8986886 Positive active material, method of preparing the same, and lithium battery including the positive active material  
A positive active material, a method of preparing the same, and a lithium battery including the same.
8986884 Lithium ion secondary battery  
A lithium-ion secondary battery comprising a positive electrode and a negative electrode is provided. The positive electrode comprises as a positive electrode active material a lithium transition...
8974963 Lithium secondary battery  
A lithium secondary battery includes: a positive electrode that contains a positive electrode active material; a negative electrode; and a nonaqueous electrolyte. The positive electrode active...
8974970 Cathode active material for lithium secondary battery  
Provided is a lithium transition metal oxide having an α-NaFeO2 layered crystal structure, as a cathode active material for lithium secondary battery, wherein the transition metal includes a blend...
8951448 Cathode material for lithium secondary battery, lithium secondary battery, and secondary battery module using the battery  
A cathode material for a lithium secondary battery capable of stably suppressing manganese dissolution even under high temperature and voltage conditions is provided. Further, by using the cathode...
8940443 Polyvinylpyridine additives for nonaqueous electrolytes activating lithium rechargeable electrochemical cells  
An electrolyte comprising an organic solvent, a lithium salt, and a polymer additive comprised of repeating vinyl units joined to one or more heterocyclic amine moieties is described. The...
8932768 Cathode material for lithium batteries  
A method of manufacture an article of a cathode (positive electrode) material for lithium batteries. The cathode material is a lithium molybdenum composite transition metal oxide material and is...
8932480 Stoichiometric lithium cobalt oxide and method for preparation of the same  
The present invention provides a LiCoO2-containing powder comprising LiCoO2 having a stoichiometric composition via heat treatment of a lithium cobalt oxide and a lithium buffer material to make...
8932765 Electrode assembly for electric storage device and electric storage device  
An object is to provide an electrode assembly for an electric storage device, such as a nonaqueous electrolyte cell, and an electric storage device that are capable of preventing increase of a...
8932761 Anode and method of manufacturing the same, and battery and method of manufacturing the same  
An anode wherein the anode active material layer includes anode active material particles made of an anode active material including at least one of silicon and tin as an element. An...
8927153 Cathode active material for lithium secondary batteries with core of lithium metal oxide and shell of lithium iron phosphate oxide, method of preparing the same, and lithium secondary batteries comprising the same  
The present invention relates to a cathode active material for lithium secondary batteries with high safety, a method of preparing the same and lithium secondary batteries comprising the same. The...
8920981 Lithium ion electrolytes and lithium ion cells with good low temperature performance  
There is provided in one embodiment of the invention an electrolyte for use in a lithium ion electrochemical cell. The electrolyte comprises a mixture of an ethylene carbonate (EC), an ethyl...
8920975 Method of producing nitrided lithium-transition metal compound oxide, nitrided lithium-transition metal compound oxide, and lithium-ion battery  
Provided is a method of producing a nitrided lithium-transition metal compound oxide having a rock-salt layer structure or a spinel structure, including: preparing a raw material composite that...
8911903 Cathode active material, its manufacturing method, and non-aqueous electrolyte secondary battery  
A cathode active material is provided. The cathode active material includes: a composite oxide particle including at least lithium and cobalt; a coating layer which is provided in at least a part...
8906553 High voltage cathode material for Li-ion batteries  
A cathode electrode material for use in rechargeable Li-ion batteries, based on the integration of two Li-based materials of NASICON- and Spinel-type structures, is described in the present...
8906557 Anode active material and method of preparing the same  
Anode active materials and methods of preparing the same are provided. One anode active material includes a carbonaceous material capable of improving battery cycle characteristics. The...
8900753 Cathode material for Li ion secondary battery and Li ion secondary battery using the same  
A cathode material with excellent capacity and output characteristics and safety, and a lithium ion secondary battery using the same is provided. The invention relates to a cathode material which...
8883350 Process for preparing precursors for transition metal mixed oxides  
Process for preparing precursors for transition metal mixed oxides, wherein (A) an optionally basic transition metal carbonate is treated thermally at temperatures in the range from 200 to 900°...
8877382 Method for manufacturing positive active material for rechargeable lithium battery and rechargeable lithium battery using same  
A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a...
8871113 Positive active material, and positive electrode and lithium battery including positive active material  
A positive active material includes first and second lithium nickel complex oxides. A positive electrode and lithium battery include the positive active material. The positive active material, and...
8871389 Non-aqueous electrolyte secondary battery  
A non-aqueous electrolyte secondary battery uses as its positive electrode active material a mixture of a first lithium-containing transition metal oxide containing nickel and manganese as...
8859148 Electrode active material for lithium secondary battery  
Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO2) wherein the nickel-based lithium transition metal oxide contains nickel (Ni) and at least...
8859147 Non-aqueous secondary battery  
The non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, the negative electrode contains a...
8852808 Multi-layer article comprising polyimide nanoweb  
This invention provides a multi-layer article comprising a first electrode material, a second electrode material, and a porous separator disposed between and in contact with the first and the...
8852807 Conductive lithium storage electrode  
A compound comprising a composition Ax(M′1−aM″a)y(XD4)z, Ax(M′1−aM″a)y(DXD4)z, or Ax(M′1−aM″a)y(X2D7)z, (A1−aM″a)xM′y(XD4)z, (A1−aM″a)xM′y(DXD4)z, or (A1−aM″a)xM′y(X2D7)z. In the compound, A is at...
8852818 Non-aqueous secondary battery  
A non-aqueous secondary battery contains a positive electrode, a negative electrode, a separator and a non-aqueous electrolytic solution. The positive electrode contains a layered structure...
8846250 System of lithium ion battery containing material with high irreversible capacity  
Disclosed is a cathode active material comprising a lithium-free metal oxide and a material with high irreversible capacity. A novel lithium ion battery system using the cathode active material is...
8846249 Lithium ion secondary battery  
The positive electrode of a lithium ion secondary battery includes active material particles represented by LixNi1−yMyMezO2+δ, and the active material particles include a lithium composite oxide...
8835055 Cathode active material for lithium secondary battery  
Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery...
8828103 Process for the preparation of an electrode from a porous material, electrode thus obtained and corresponding electrochemical system  
Process for the preparation of electrodes from a porous material making it possible to obtain electrodes that are useful in electrochemical systems and that have at least one of the following...
8828605 Lithium-ion secondary battery  
In one embodiment, an active cathode material comprises a mixture that includes: at least one of a lithium cobaltate and a lithium nickelate; and at least one of a manganate spinel represented by...
8821766 Lithium manganate for non-aqueous electrolyte secondary battery, process for producing the same, and non-aqueous electrolyte secondary battery  
The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a...
8808915 Rechargeable lithium battery  
The rechargeable lithium battery includes a positive electrode which includes a positive active material, a negative electrode, and an electrolyte which includes a non-aqueous organic solvent and...
8808917 Power storage device having olivine type positive electrode active material with oriented crystal structure  
An object is to increase the amount of ions capable of leaving and entering an active material so as to increase capacity of a secondary battery. The present invention relates to a manufacturing...
8808918 Rechargeable lithium battery  
The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a...
8808916 Cathode active material for lithium secondary batteries, method for preparing the same, and lithium secondary batteries comprising the same  
Disclosed are a cathode active material for lithium secondary batteries, a method for preparing the same, and lithium secondary batteries comprising the same. The cathode active material for...
8808407 Method of manufacturing a solid lithium ion secondary battery with an electrolyte layer and/or positive electrode layer containing a crystallite having a lithium ion conducting property  
A method of manufacturing a lithium ion secondary battery comprising the steps of: forming a laminate by laminating an electrolyte green sheet and a positive electrode green sheet; and sintering...
8808884 Electrode assembly and secondary battery including the same  
Provided are an electrode assembly and a secondary battery including the same. The electrode assembly includes a positive electrode having a positive electrode coating portion, a negative...
8808920 Positive electrode active material, positive electrode, nonaqueous electrolyte cell, and method of preparing positive electrode active material  
Disclosed herein is a positive electrode active material prepared by mixing a lithium-containing compound, a compound containing a transition metal to be put into a solid solution, and a compound...