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US20080137890 Hearing Aid with Rechargeable Battery and Rechargeable Battery  
A rechargeable battery is provided comprising a flexible elongate electron conductive core (1) surrounded by a first electrochemically active layer (2), and a second electrochemically active layer...
US20080206644 LITHIUM MANGANESE COMPOSITE OXIDE  
To provide a lithium manganese composite oxide capable of improving the initial discharge capacity of secondary batteries by removing more Li ions than the conventional lithium manganese composite...
US20120045693 NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME  
A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the same. The negative active material includes...
US20150243967 IMPLANTABLE MEDICAL DEVICES WITH LOW VOLUME BATTERIES, AND SYSTEMS  
Implantable medical devices, implantable medical device systems that include such implantable medical devices, and implantable medical device batteries, as well as methods of making. Such devices...
US20140186700 ADVANCED, HIGH POWER AND ENERGY BATTERY ELECTRODE MANUFACTURED BY CO-EXTRUSION PRINTING  
A battery has an anode, a separator adjacent the anode, and a cathode adjacent the separator opposite the anode, the cathode comprising interdigitated stripes of materials, one of the materials...
US20150093641 Lithium Transition Metal Oxide Having Layered Structure  
Provided is a lithium metal compound oxide having a layered structure, which is very excellent as a positive electrode active material of a battery that is mounted on, particularly, an electric...
US20060147803 Copper collector for secondary battery comprising Cu-nitrile compound complex formed on surface thereof  
Disclosed are copper foil or net comprising a Cu-nitrile compound complex formed on the surface thereof, a method for preparing the same, and a lithium secondary battery that comprises an...
US20140287311 Hetero-nanostructure Materials for Use in Energy-Storage Devices and Methods of Fabricating Same  
Hetero-nanostructure materials for use in energy-storage devices are disclosed. In some embodiments, a hetero-nanostructure material (100) includes a silicide nanoplatform (110), ionic host...
US20150263344 BATTERY, NEGATIVE ELECTRODE ACTIVE MATERIAL, AND ELECTRIC TOOL  
A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode...
US20100310940 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES WITH HIGH SAFETY, METHOD OF PREPARING THE SAME AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME  
A cathode active material for a lithium secondary battery includes a lithium metal oxide secondary particle core formed by agglomerating lithium metal oxide primary particles; and a shell formed...
US20130323607 SECONDARY ELECTROCHEMICAL CELLS WITH SEPARATOR AND ELECTROLYTE COMBINATION  
A secondary electrochemical cell comprises an anode, a cathode including electrochemically active cathode material, a separator between the anode and the cathode, and an electrolyte. The...
US20050042503 Lithium-sulfur battery  
A lithium-sulfur battery includes a cathode, a lithium metal anode, and a separator interposed between the cathode and the anode. The separator contains less than two fluorine atoms per carbon...
US20150171423 COMPOSITE CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY COMPRISING THE SAME, AND PREPARATION METHOD THEREOF  
A composite cathode active material including a core comprising a lithium compound, and a coating layer formed on at least one portion of the core and including at least two oxide phases having...
US20050186477 Current collector for a lithium secondary battery and a lithium secondary battery comprising the same  
Disclosed is a current collector for a positive electrode used in a lithium secondary battery including an aluminum alloy comprising from 98 to 99.5 wt % aluminum, and having a tensile strength...
US20130101880 HIGH TEMPERATURE LITHIUM BATTERY, HAVING INITIAL LOW TEMPERATURE USE CAPABILITY  
A battery and method of making such battery, adapted to operate at low (typically ambient) temperatures for a short initial period and thereafter at higher temperatures. A Li—Mg alloy anode is...
US20140050993 POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME  
A positive active material including a compound represented by Li1+xM1−kMekO2. A surface part of a particle of the positive active material has a mole ratio [Me/M] (A) of element represented by Me...
US20130183579 POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME  
A positive active material for a rechargeable lithium battery includes a core including a lithium composite metal oxide selected from the group consisting of compounds represented by the following...
US20140193723 CONDUCTIVITY CONTROL IN ELECTROCHEMICAL CELLS  
Electrochemical cells having desirable electronic and ionic conductivities, and associated systems and methods, are generally described.
US20060121355 Electrolyte for lithium-sulphur batteries and lithium-sulphur batteries using the same  
An electrolyte for a lithium-sulphur battery, the electrolyte comprising a solution of at least one electrolyte salt in at least two aprotic solvents. The components of the solution may be...
US20090269670 Solid lithium secondary cell, and production method therefor  
A solid electrolyte layer and electrode layers are formed within an electrically insulating frame part, and current collecting plates are held by the electrically insulating frame part. Since the...
US20130052535 LITHIUM ION SECONDARY BATTERY ACTIVE MATERIAL, LITHIUM ION SECONDARY BATTERY ELECTRODE, LITHIUM ION SECONDARY BATTERY, ELECTRONIC DEVICE, ELECTRIC POWER TOOL, ELECTRIC VEHICLE, and POWER STORAGE SYSTEM  
A lithium ion secondary battery capable of improving the lithium ion input-output characteristics. An active material capable of storing and releasing lithium ions is a Li complex oxide or a Li...
US20090170003 Cathodal materials for lithium cells  
A cathodal material for lithium cells comprises a porous lithium oxide microparticle is provided. The porous lithium oxide microparticle comprises a plurality of porous lithium oxide nanoparticles...
US20140030602 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME  
Disclosed are an anode active material for a lithium secondary battery, including a material doping and dedoping lithium, and a plurality of external pores having a size of 0.1 to 3 μm formed in a...
US20120034527 CATHODE ACTIVE MATERIAL AND NONAQUEOUS SECONDARY BATTERY INCLUDING CATHODE HAVING THE CATHODE ACTIVE MATERIAL  
A cathode active material of the present invention for use in a nonaqueous secondary battery includes: a main crystalline phase including a lithium-containing transition metal oxide containing...
US20120282528 METHOD FOR PREPARING POSITIVE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ACTIVE MATERIAL PREPARED THEREBY, AND LITHIUM ION SECONDARY BATTERY INCLUDING THE SAME  
A method for preparing a positive active material for a lithium ion secondary battery, the method including obtaining a mixture by mixing a lithium containing compound and metal oxide,...
US20070231698 CURRENT COLLECTOR, NEGATIVE ELECTRODE AND BATTERY  
A current collector includes a first principal plane and a second principal plane. In the current collector, the roughness of the first principal plane and second principal plane being mutually...
US20090226811 LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE USED AS CATHODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM RECHARGEABLE BATTERY  
A lithium nickel manganese cobalt composite oxide used as a cathode active material for a lithium rechargeable battery, the composite oxide shown by the below general formula (1):...
US20120107691 POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME  
A positive active material for a lithium secondary battery comprises a core comprising a compound that can reversibly intercalate and deintercalate lithium; and a compound attached to the surface...
US20140106222 POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL  
A positive active material including: a lithium-containing oxide, and a lithium-intercalatable phosphate compound disposed on the lithium-containing oxide.
US20130330623 ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS  
(A) A cathode active material of a cathode includes a lithium phosphate compound represented by LiaM1bPO4 (M is Fe and the like, 0≦a≦2, b≦1). (B) Fine pore distribution of the cathode measured by...
US20140045067 POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME  
Disclosed are a positive active material for a rechargeable lithium battery that includes: a core including a lithium metal composite oxide having a layered structure; and a shell including a...
US20080153004 Lithium rechargeable battery and separator for the same  
The present invention relates to a lithium rechargeable battery which employs a separator to minimize a short-circuit inside the battery, and has an improved thermal stability. The separator...
US20150207140 METAL FLUORIDE AND PHOSPHATE NANOCOMPOSITES AS ELECTRODE MATERIALS  
The present invention relates to primary and secondary electrochemical energy storage systems. More particularly, the present invention relates to such systems as battery cells, especially battery...
US20130302682 METAL FLUORIDE AND PHOSPHATE NANOCOMPOSITES AS ELECTRODE MATERIALS  
The present invention relates to primary and secondary electrochemical energy storage systems. More particularly, the present invention relates to such systems as battery cells, especially battery...
US20110052991 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...
US20080280207 Material Based on Carbon and Silicon Nanotubes that Can be Used in Negative Electrodes for Lithium Batteries  
The invention relates to a material comprising carbon nanotubes, deposited at the surface of each of which is a substantially continuous film of nanoscale silicon particles, that can be used in...
US20140255780 ELECTROCHEMICAL CELLS COMPRISING FIBRIL MATERIALS, SUCH AS FIBRIL CELLULOSE MATERIALS  
The use of fibril materials, such as fibril cellulose materials and other similar materials, in electrochemical cells and components thereof is generally described.
US20060121346 Virus scaffold for self-assembled, flexible and light lithium battery  
A variety of compositions that include a metal oxide, films and batteries comprising one or more of the compositions, and methods of making the same.
US20120021290 ELECTRIC POWER STORAGE SYSTEM  
An electric power storage system, having application in energy systems, is primarily assembled from an electric power storage device and an electric power management system. In which, the electric...
US20130136985 ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS  
A secondary battery includes: a cathode; an anode; and an electrolytic solution. The cathode includes a lithium composite oxide, a first compound, and a second compound. The lithium composite...
US20130202956 Methods and Energy Storage Devices utilizing electrolytes having surface-smoothing additives  
Electrodeposition and energy storage devices utilizing an electrolyte having a surface-smoothing additive can result in self-healing, instead of self-amplification, of initial protuberant tips...
US20090197182 SOLID STATE BATTERY  
A solid state battery comprising: a solid electrolyte; a positive electrode containing an active material; and a negative electrode containing an active material is provided. The solid electrolyte...
US20150140438 GRAPHENE POWDER, METHOD FOR PRODUCING GRAPHENE POWDER AND ELECTRODE FOR LITHIUM ION BATTERY CONTAINING GRAPHENE POWDER  
In order to prepare a highly conductive and highly dispersible graphene powder and to obtain an electrode for a lithium ion battery with excellent performance utilizing the highly conductive and...
US20120164502 GALVANIC ELEMENT AND SEPARATOR HAVING IMPROVED SAFETY PROPERTIES  
A galvanic element has a positive electrode, a negative electrode and a separator lying in between, wherein the separator consists at least partially of a polymer of which the melting and/or...
US20140234715 PROTECTIVE COATINGS FOR CONVERSION MATERIAL CATHODES  
Battery systems using coated conversion materials as the active material in battery cathodes are provided herein. Protective coatings may be an oxide, phosphate, or fluoride, and may be lithiated....
US20120231339 NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME  
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...
US20050008563 Powder as a positive active material, battery, and method for manufacturing a battery  
A powder which has a hexagonal crystal structure and is used as a positive active material for a non-aqueous electrolyte rechargeable battery, and wherein the nominal composition of the positive...
US20060035144 Lithium rechargeable battery and lithium rechargeable battery pack  
A lithium rechargeable battery includes a positive electrode that intercalates and deintercalates lithium and a negative electrode that intercalates and deintercalates lithium and has a current...
US20120328915 LITHIUM-ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, POWER STORAGE SYSTEM, ELECTRIC TOOL, AND ELECTRONIC DEVICE  
A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material includes a core...
US20100075230 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY  
A non-aqueous electrolyte secondary battery includes a positive electrode containing lithium-iron phosphate, and a negative electrode containing a lithium-titanium composite oxide and a lithium...