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9228249 Si alloy negative electrode active material for electric device  
A negative electrode active material for an electric device, including an alloy having a composition formula SixZnyAlz, where x++y=100 , 26≦x≦47, 18≦y≦44, and 22≦z≦46 are satisfied.
9040199 Positive electrode active material particles for lithium ion secondary batteries, positive electrode using the same, and lithium ion secondary battery  
Positive electrode active material particles for lithium ion secondary batteries include: a core particle including a first olivine-structured, lithium-containing phosphate compound which includes...
9034517 Capacitors having conditioned carbon for electrodes  
There is provided an improvement for capacitors having activated carbon electrodes by the use of an electrolyte solution containing a carbonate of the formula RO(C═O)OR1 and a conductive salt such...
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...
9029014 Anode and lithium battery including anode  
An anode includes an anode active material including a lithium titanium oxide, a binder, and 0 to about 2 parts by weight of a carbon-based conductive agent based on 100 parts by weight of the...
9028711 Negative electrode material for a nonaqueous electrolyte secondary battery and a method for its manufacture  
An inexpensive negative electrode material for a nonaqueous electrolyte secondary battery includes three types of powder materials: alloy material A; alloy material B; and a conductive material....
9023524 Lithium mixed metal oxide and positive electrode active material  
Disclosed is a lithium mixed metal oxide which is useful for a positive electrode active material that is capable of providing a nonaqueous electrolyte secondary battery having more excellent...
9023537 Battery  
A positive electrode includes: a positive electrode collector; and a positive electrode active material layer provided on the positive electrode collector and containing a positive electrode...
9023522 Cathode for lithium-ion secondary battery, lithium-ion secondary battery, vehicle and power storage system equipped with the battery  
A cathode for a lithium-ion secondary battery is provided, which not only efficiently absorbs oxygen released from a solid solution based cathode active material when initial charging is applied...
9023528 Sulfur-carbon nanocomposites and their application as cathode materials in lithium-sulfur batteries  
The invention is directed in a first aspect to a sulfur-carbon composite material comprising: (i) a bimodal porous carbon component containing therein a first mode of pores which are mesopores,...
9017877 Current collector for nonaqueous solvent secondary battery, and electrode and battery, which use the current collector  
A current collector for a nonaqueous solvent secondary battery, which includes: a first metal layer; and a second metal layer stacked on a surface of the first metal layer, is composed so that a...
9012081 Anode active material and secondary battery comprising the same  
Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based...
9011702 Method for manufacturing electrode for power storage device and method for manufacturing power storage device  
One of objects is to reduce the effect caused by the volume expansion of an active material. An embodiment is a method for manufacturing an electrode for a power storage device which includes an...
9012082 Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same  
The present invention relates to a negative active material for a rechargeable lithium battery, which includes a silicon-based composite having a silicon oxide of the form SiOx where x≦1.5 and at...
9012080 Needle-like microstructure and device having needle-like microstructure  
A needle-like structure of silicon is provided. A crystalline silicon region is formed over a metal substrate by an LPCVD method, whereby whisker-like crystalline silicon which is a...
9012079 Electrode comprising structured silicon-based material  
A composite electrode includes an active component directly bonded to a current collector. The direct bonding provides a low resistance contact between the current collector and the active...
9005811 Phase separated silicon—tin composite as negative electrode material for lithium-ion and lithium sulfur batteries  
A composite of silicon and tin is prepared as a negative electrode composition with increased lithium insertion capacity and durability for use with a metal current collector in cells of a...
9005823 Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same  
An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a gamma butyrolactone compound substituted with at...
9005808 Electrode materials for rechargeable batteries  
Selenium or selenium-containing compounds may be used as electroactive materials in electrodes or electrochemical devices. The selenium or selenium-containing compound is mixed with a carbon material.
9005815 Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery  
A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the negative active material. The negative active...
9005818 Negative electrode active material and lithium battery including the same  
A negative electrode active material including mesoporous silica having mesopores filled with a metal and a lithium battery including the same.
9005809 Electrochemical cells comprising porous structures comprising sulfur  
The present invention relates to the use of porous structures comprising sulfur in electrochemical cells. Such materials may be useful, for example, in forming one or more electrodes in an...
9005810 Cathode active material, cathode and non-aqueous secondary battery  
A cathode active material having a composition represented by the following formula (1) LiMn1−xMxP1−ySiyO4 (1) wherein M is at least one kind of element selected from the group consisting of Zr,...
8999580 Composite graphite particles and lithium rechargeable battery using the same  
The invention provides composite graphite particles, comprising a core material consisting of graphite having a interlayer distance d(002) of 0.337 nm or less and a surface layer consisting of...
8999583 Lithium-ion secondary battery, anode for lithium-ion secondary battery, power tool, electric vehicle and energy storage system  
A lithium-ion secondary battery allowed to improve cycle characteristics and initial charge-discharge characteristics is provided. The lithium-ion secondary battery includes a cathode; an anode;...
8999576 Cathode active material, cathode and nonaqueous secondary battery  
A cathode active material of the present invention is a cathode active material having a composition represented by General Formula (1) below, LiFe1-xMxP1-ySiyO4 (1), where: an average valence of...
8999575 Positive electrode and lithium battery including the same  
Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium...
8993165 Clathrate allotropes for rechargeable batteries  
The present disclosure is directed at clathrate (Type I) allotropes of silicon, germanium and tin. In method form, the present disclosure is directed at methods for forming clathrate allotropes of...
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...
8993168 Powder and lithium nickel mixed metal oxide  
Disclosed is a powder comprising a lithium-containing compound and a nickel-containing mixed metal compound, and satisfying the following requirements of (1) and (2) when the powder is analyzed by...
8993166 Anode active material and battery  
A battery with the high capacity, the superior cycle characteristics, and the superior initial charge and discharge efficiency, and an anode active material used for it are provided. The anode...
8993164 Support for catalyst supporting, carrier with supported catalyst, electrode, and battery  
A support for carrying a catalyst is obtained by carbonizing raw materials containing a nitrogen-containing organic substance and a metal. The support for carrying a catalyst may have a peak at a...
8992739 Method for manufacturing silicon-based nanocomposite anode active material for lithium secondary battery and lithium secondary battery using same  
A method for manufacturing a silicon-based nanocomposite anode active material for the lithium secondary battery and the lithium secondary battery using same, comprising the following steps: a...
8993163 Positive electrode active material and method for producing same  
A positive electrode active material provided by the present invention is formed of a lithium-nickel-containing metal phosphate compound represented by a general formula: LiNi(1-x)MxPO4(1) (in...
8992801 Electroactive material, and use thereof in anodes for lithium-ion cells  
The present invention relates to a novel electroactive material which comprises a graphitic carbon phase C and a (semi)metal phase and/or a (semimetal) oxide phase (MOx phase) and also to the use...
8992795 Method for manufacturing positive electrode active material for power storage device  
In a manufacturing process of a positive electrode active material for a power storage device, which includes a lithium silicate compound represented by a general formula Li2MSiO4, heat treatment...
8980480 Lithium primary cell  
The present disclosure is directed to a primary electrochemical cell having an improved discharge performance, and/or improved reliability under physical abuse and/or partial discharge. More...
8980473 Anode and battery  
An anode and a battery capable of improving battery characteristics such as cycle characteristics are provided. A coating containing at least one from the group consisting of oligomers having a...
8980474 Lithium secondary battery  
A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a current collector, an active material layer on the current...
8980125 Active material, battery, and method for manufacturing electrode  
An active material for a nonaqueous electrolyte secondary battery includes first particles and second particles provided to coat the first particles so as to be scattered on the surfaces of the...
8974967 Nanotube-based nanomaterial membrane  
As consistent with various embodiments, an electronic device includes a carbon nanotube film having a plurality of carbon nanotubes. In certain embodiments, a coating, such as an inorganic...
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...
8974960 Binder-free sulfur—carbon nanotube composite cathodes for rechargeable lithium—sulfur batteries and methods of making the same  
The present disclosure includes a sulfur-carbon nanotube composite comprising a sheet of carbon nanotubes and sulfur nucleated upon the carbon nanotubes, and methods for synthesizing the same. In...
8974946 Coating for separator or cathode of lithium—sulfur or silicon—sulfur battery  
A battery with a sulfur-containing cathode, an anode, and a separator between the cathode and the anode has a coating comprising a single-lithium ion conductor on at least one of the cathode or...
8974966 Negative electrode for lithium rechargeable battery and lithium rechargeable battery adopting the same  
A negative electrode for a lithium rechargeable battery comprising: active material layers including metal-carbon combination active material particles including at least one active material...
8974959 Multi-component intermetallic electrodes for lithium batteries  
Multi-component intermetallic negative electrodes prepared by electrochemical deposition for non-aqueous lithium cells and batteries are disclosed. More specifically, the invention relates to...
8974969 Negative electrode material for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery using the same  
A mixed carbon material is useful for an electrode of a nonaqueous secondary battery. The material has two component materials: carbon material A and carbon material B. Both materials have high...
8974962 Anode active material and secondary battery comprising the same  
Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based...
8974957 Cathode active material providing improved efficiency and energy density of electrode  
Provided is a cathode active material having a composition represented by the following Formula I: LiFe(P1-XO4) (I) wherein a molar fraction (1−x) of phosphorus (P) is in the range of 0.910 to...
8974961 Anode active material and secondary battery comprising the same  
Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, comprising a core comprising a crystalline carbon-based material and a composite...