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9040203 Lithium battery  
A lithium battery including: a positive electrode including an overlithiated lithium transition metal oxide having a layered structure; a negative electrode including a silicon-based negative...
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....
9023531 Coated positive electrode active material, positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and their production methods  
Disclosed is a nonaqueous secondary battery (100) comprising a positive electrode (155) having a positive current collector (151) made of a metal, and a positive electrode active material (153)...
9023523 Synthesis of lithium-iron-phosphates under hydrothermal conditions  
The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bMb1Fe1-cMc2Pd-eMe3Ox, wherein Fe has the oxidation state +2 and M1, M2, M3, a, b, c, d, e...
9023529 Nanomaterials for sodium-ion batteries  
A crystalline nanowire and method of making a crystalline nanowire are disclosed. The method includes dissolving a first nitrate salt and a second nitrate salt in an acrylic acid aqueous solution....
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...
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.
9000713 Alkali metal ion battery with bimetallic electrode  
Electrochemical cells having molten electrodes having an alkali metal provide receipt and delivery of power by transporting atoms of the alkali metal between electrode environments of disparate...
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...
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...
8993171 Active material, electrode containing the active material, lithium secondary battery including the electrode, and method for making active material  
To provide an active material from which a sufficient discharge capacity is obtained, an electrode containing the active material, a lithium secondary battery including the electrode, and a method...
8968902 Low temperature molten sodium secondary cell with sodium ion conductive electrolyte membrane  
The present invention provides a molten sodium secondary cell. In some cases, the secondary cell includes a sodium metal negative electrode, a positive electrode compartment that includes a...
8962189 Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic device  
A cathode includes a lithium transition metal complex compound including lithium, one, or two or more transition metals, magnesium, and oxygen as constituent elements. In a standardized X-ray...
8956762 Lithium ion secondary battery and method for manufacturing the same  
In a lithium ion secondary battery including a positive electrode, a separator, a negative electrode, and a package body, the negative electrode includes simple substance silicon as a negative...
8945751 High voltage battery composed of anode limited electrochemical cells  
An electrochemical storage device including a plurality of electrochemical cells connected electrically in series. Each cell includes an anode electrode, a cathode electrode and an aqueous...
8940437 Method of fabricating structured particles composed of silicon or a silicon-based material and their use in lithium rechargeable batteries  
Pillared particles of silicon or silicon-comprising material and a method of fabricating the same are disclosed. These particles may be used to create both a composite anode structure with a...
8932764 Core-shell composites for sulfur-based cathodes in metal-ion batteries  
A battery electrode composition is provided comprising core-shell composites. Each of the composites may comprise a sulfur-based core and a multi-functional shell. The sulfur-based core is...
8932762 Active material and positive electrode and lithium-ion second battery using same  
A method for manufacturing an active material containing a triclinic LiVOPO4 crystal particle that has a spherical form and an average particle size of 20 to 200 nm. The method includes a step of...
8906254 Cathode material for secondary battery and manufacturing method of the same  
Disclosed are a cathode material for a secondary battery, and a manufacturing method of the same. The cathode material includes a lithium manganese phosphate LiMnPO4/sodium manganese...
8889300 Lithium-based high energy density flow batteries  
Systems and methods in accordance with embodiments of the invention implement a lithium-based high energy density flow battery. In one embodiment, a lithium-based high energy density flow battery...
8883348 Electrode for lithium ion secondary battery  
An object of the present invention is to provide an electrode for a lithium ion secondary battery that can ensure a high level of safety even when exposed to severe conditions such as a nail...
8883357 Ceramic material and process for producing the same  
A ceramic material that can exhibit sufficient compactness and lithium (Li) conductivity to enable the use thereof as a solid electrolyte material for a lithium secondary battery and the like is...
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...
8835041 Electrode materials for sodium batteries  
The present invention provides an electrode material suitable for use as a cathode in a sodium electrochemical cell or battery, the electrode comprising a layered material of formula...
8835049 Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same  
A negative active material for a rechargeable lithium battery includes a core including an active material being capable of performing reversible electrochemical oxidation and reduction, and a...
8828607 Cathode material, cathode, and lithium ion secondary battery  
It is an object to provide a cathode active material and a cathode which can attain a lithium ion secondary battery with high capacity and high security, and further to provide the lithium ion...
8815449 Positive electrode and non-aqueous electrolyte secondary battery  
A material (hereinafter referred to as “positive electrode material”) including sodium manganate powder as a positive electrode active material, carbon black powder as a conductive agent, and...
8785040 Positive electrode for rechargeable lithium battery, method for manufacturing the same, and rechargeable lithium battery including the same  
A positive electrode for a rechargeable lithium battery including a net-type current collector and a positive active material layer formed on both sides of the current collector and also including...
8758939 Anode active material for secondary battery  
Disclosed is an anode active material including: a crystalline phase comprising Si and a Si-metal alloy; and an amorphous phase comprising Si and a Si-metal alloy, wherein the metal of the...
8753779 Composite materials of nano-dispersed silicon and tin and methods of making the same  
Composite compounds of tin and lithium, silicon and lithium, or tin, silicon, and lithium having tin and silicon nano-dispersed in a lithium-containing matrix may be used as electrode materials...
8748042 Cathode active material, method of manufacturing it, cathode, and battery  
A cathode active material capable of increasing a capacity and improving high temperature characteristics or cycle characteristics, a method of manufacturing it, a cathode using the cathode active...
8741455 Sodium ion based aqueous electrolyte electrochemical secondary energy storage device  
A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation...
8734989 Negative electrode for rechargeable lithium battery and rechargeable lithium battery including the same  
A negative electrode for rechargeable lithium batteries includes a current collector, a porous active material layer having a metal-based active material disposed on the current collector, and a...
8734997 Negative electrode for nonaqueous electrolyte secondary battery  
A negative electrode 100 for a nonaqueous electrolytic secondary cell includes a current collector 1 and a plurality of active material bodies 2 formed on a surface of the current collector 1 at...
8728664 Anode for lithium secondary battery and lithium secondary battery using the anode  
An anode for a lithium secondary battery contains an active material and a binder mixture. The active material can occlude or liberate lithium. The binder mixture includes a synthetic rubber-based...
8728174 Methods and apparatuses for making cathodes for high-temperature, rechargeable batteries  
The approaches for fabricating cathodes can be adapted to improve control over cathode composition and to better accommodate batteries of any shape and their assembly. For example, a first solid...
8703339 Positive active material and positive electrode for rechargeable lithium battery and rechargeable lithium battery including the positive electrode  
A positive electrode for a rechargeable lithium battery includes a first positive active material represented by LiaNibCocMdO2, and a second positive active material represented by LieNifCogMnhO2....
8703340 Lithium secondary battery with improved energy density  
Provided is a lithium secondary battery with enhanced energy density including a cathode using a cathode active material containing lithium mixed transition metal oxide absorbing and discharging...
8697279 Composition and energy storage device  
In one embodiment, a cathode composition comprises a transition metal and/or a transition metal salt, wherein the transition metal is selected from the group consisting of nickel, iron, cobalt,...
8691445 Positive electrode including particles having bimodal size distribution for lithium secondary battery and lithium secondary battery having the same  
A positive electrode for a lithium secondary battery includes a positive activation material mixture that intercalates and de-intercalates lithium ions, wherein a first positive activation...
8691441 Graphene-enhanced cathode materials for lithium batteries  
A nano graphene-enhanced particulate for use as a lithium battery cathode active material, wherein the particulate is formed of a single or a plurality of graphene sheets and a plurality of fine...
8691444 Lithium battery with hermetically sealed anode  
Protected anode architectures for active metal anodes have a polymer adhesive seal that provides a hermetic enclosure for the active metal of the protected anode inside an anode compartment. The...
8679682 Nonaqueous-electrolyte battery and battery pack  
A nonaqueous-electrolyte battery includes a positive electrode, a negative electrode which is constituted of a negative-electrode current collector and a layer containing a negative active...
8673497 Process for the preparation of crystalline lithium-, iron- and phosphate-comprising materials  
The present invention relates to a Process for the preparation of compounds of general formula (I), Lia-bM1bFe1-cM2cPd-eM3eOx, wherein M1, M2, M3, a, b, c, d and e: M1: Na, K, Rb and/or Cs, M2:...
8652692 Li/Air non-aqueous batteries  
Non-aqueous alkali metal (e.g., Li)/oxygen battery cells constructed with a protected anode that minimizes anode degradation and maximizes cathode performance by enabling the use of cathode...
8652431 Metal fluorophosphate synthesis and use as an active material for a battery electrode  
A method of synthesis of a metal fluorophosphate having the following general formula (1): XaMb(PO4)cFd (1), in which: X is an alkaline metal selected among sodium (Na) and lithium (Li) or a...
8632915 Nanocomposite protective coatings for battery anodes  
Modified surfaces on metal anodes for batteries can help resist formation of malfunction-inducing surface defects. The modification can include application of a protective nanocomposite coating...
8617745 Lithium secondary cell with high charge and discharge rate capability and low impedance growth  
A lithium-ion battery is provided that has a fast charge and discharge rate capability and low rate of capacity fade during high rate cycling. The battery can exhibit low impedance growth and...
8609285 Cathode material for a battery with improved cycle performance at a high current density  
A material for use in the cathode terminal of a battery that is made from a lithiated manganese oxide which is doped with ruthenium and optionally with a transition material and a method for the...
8603367 Manganese phosphates and related electrode active materials  
The invention provides electrode active materials comprising lithium or other alkali metals, manganese, a +3 oxidation state metal ion, and optionally other metals, and a phosphate moiety. Such...
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