Abstract: The present disclosure relates to an electrode composite material. The electrode composite material includes a number of electrode composite material particles. Each of the plurality of electrode composite material particles includes an electrode active material particle and a doped aluminum phosphate layer coated on a surface of the electrode active material particle. A material of the doped aluminum phosphate layer is a semiconducting doped aluminum phosphate.

Abstract: An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3, M represents at least one chemical element selected from the group consisting of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.

Abstract: In a positive electrode active material for a magnesium secondary battery and a magnesium secondary battery using it, there is contained a powder particle containing a crystal phase having a structure formed with aggregation of a plurality of crystallites, and amorphous phases formed between the crystallites themselves; the amorphous phases contain at least one kind of a metal oxide selected from a vanadium oxide, an iron oxide, a manganese oxide, a nickel oxide and a cobalt oxide; and the crystal phase and the amorphous phases use the positive electrode active material enabling to store and release magnesium ions.

Abstract: In one aspect, a positive electrode active material is provided, a method of manufacturing the positive electrode active material, and a lithium battery employing the positive electrode active material. The positive electrode active material may have high thermal stability and low capacity deterioration despite repetitive charging and discharging.

Abstract: A flow battery electrode assembly with a first impermeable, substantially metal electrode, a second permeable, substantially metal electrode and at least one electrically conductive spacer. The electrically conductive spacer connects the first impermeable, substantially metal electrode and the second permeable, substantially metal electrode such that the first impermeable, substantially metal electrode and the second permeable, substantially metal electrode are spaced apart from each other by an electrolyte flow path.

Abstract: A cathode contains: a lithium cobalt composite oxide expressed by LixCoaM1bM2cO2, where M1 denotes the first element; M2 indicates the second element; x, a, b, and c are set to values within ranges of 0.9?x?1.1, 0.9?a?1, 0.001?b?0.05, and 0.001?c?0.05; and a+b+c=1; a first sub-component element of at least one kind selected from a group containing Ti, Zr, and Hf, and a second sub-component element of at least one kind selected from a group containing Si, Ge, and Sn. 0.01 mol %?(content of the first sub-component element)?10 mol % as a ratio to cobalt in the lithium cobalt composite oxide. 0.01 mol %?(content of the second sub-component element)?10 mol % as a ratio to cobalt in the lithium cobalt composite oxide.

Abstract: Disclosed is a positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive active material includes a carbon material having a structure with “n” polycyclic nano sheets, wherein “n” is an integer of 1 to 30 with hexagonal rings having six carbon atoms condensed and substantially aligned in a plane, the polycyclic nano sheets are laminated in a vertical direction to the plane; and a lithium-containing olivine-based compound attached to the surface of the carbon material is formed with a carbon-coating layer on its surface.

Abstract: An electrochemical cell comprising an anode, a cathode comprised of a first current collector, a first cathode active material having a first energy density and a first rate capability, and a second cathode active material having a second energy density and a second rate capability, and an electrolyte activating the anode and the cathode. The first rate capability of the first cathode active material is greater than the second rate capability of the second cathode active material, and the first energy density of the first cathode active material is greater than or equal to the second energy density of the second cathode active material as a result of the addition of one or more diluents to the second cathode active material. A preferred configuration for the cathode is SVO/current collector/CFx with the SVO facing a lithium anode.

Abstract: A negative electrode for a hybrid energy storage device includes a current collector; a corrosion-resistant conductive coating secured to at least one face of the current collector; a sheet comprising activated carbon adhered to the corrosion-resistant conductive coating; a tab portion extending from a side of the negative electrode; and a lug comprising a lead or lead alloy that encapsulates at least part of the tab portion.

Abstract: A method for manufacturing a lithium ion secondary battery includes steps of preparing a green sheet comprising at least one of lithium ion conductive inorganic powder and inorganic powder which becomes lithium ion conductive when it is heat treated; producing a thin film solid electrolyte by heat treating the green sheet; laminating an electrode green sheet comprising an active material on at least one surface of the thin film solid electrolyte; and heat treating the electrode green sheet at a temperature which is lower than a temperature at which the solid electrolyte is heat treated.

Abstract: Disclosed is an olivine-based positive active material for a rechargeable lithium battery and a rechargeable lithium battery using the same, wherein the olivine-based positive active material for a rechargeable lithium battery is represented the following Formula 1. LixMyM?zXO4-wBw??[Chemical Formula 1] Chemical Formula 1 has the same definitions as in the specification.

Abstract: Disclosed is a positive active material for a rechargeable lithium battery, which includes an active material capable of reversibly intercalating/deintercalating lithium and lithium polysulfide.

Abstract: Disclosed is an positive active material for a rechargeable lithium battery that includes an olivine-type composite oxide; and a metal or an alloy thereof adhered to a surface of the olivine-type composite oxide, wherein the metal or the alloy is selected from the group consisting of germanium (Ge), zinc (Zn), gallium (Ga), and a combination thereof.

Abstract: Materials useful as electrodes for lithium batteries have very good electronic and ionic conductivities. They are fabricated from a starting mixture which includes a metal, a phosphate ion, and an additive which enhances the transport of lithium ions in the resultant material. The mixture is heated in a reducing environment to produce the material. The additive may comprise a pentavalent metal or a carbon. In certain embodiments the material is a two-phase material. Also disclosed are electrodes which incorporate the materials and lithium batteries which incorporate those electrodes.

Abstract: The negative active material for a non-aqueous rechargeable battery includes a main component of lithium vanadium oxide, and at least one selected from the group consisting of Li3VO4, vanadium carbide, and mixtures thereof. The Li3VO4 is included in an amount of 0.5 to 3.0 wt % based on the total weight of the negative active material, and the vanadium carbide is included in amount of 0.5 wt % or less based on the total weight of the negative active material. The negative active material can improve discharge capacity of the non-aqueous rechargeable battery.

Abstract: According to a positive electrode for a lithium ion secondary battery comprising a current collector and a mixture layer containing a transition metal-containing complex oxide as a positive electrode active material formed on the current collector, wherein the mixture layer has surface roughness of 0.1 ?m or more and 0.5 ?m or less in terms of a Ra value and the mixture layer has a surface treated layer treated with a coupling agent on the surface, it is possible to obtain a positive electrode which is excellent in suppression of moisture absorption. By using the positive electrode, it is possible to obtain a lithium ion secondary battery which is excellent in storage characteristics and causes less battery swelling since the amount of a gas generated upon charging and discharging decreases.

Abstract: According to one embodiment, an active material for batteries includes a titanium composite oxide, wherein the titanium composite oxide includes a monoclinic ?-type titanium composite oxide as a main phase, and when an integral intensity of the main peak of the monoclinic ?-type titanium composite oxide obtained with a wideangle X-ray diffraction method having a CuK?-ray as an X-ray source is 100, the relative value of the integral intensity of the main peak that presents the range of 2?=25.1 to 25.5° attributed to at least one sub-phase selected from anatase-type TiO2 and H2Ti8O17 is 30 or less, and the titanium composite oxide has a crystallite diameter of 5 nm or more as calculated from the main peak of the monoclinic ?-type titanium composite oxide obtained with the wideangle X-ray diffraction method.

Abstract: Technologies are generally described for a battery, a method for implementing a battery and a rechargeable battery system. In some examples, the rechargeable battery system includes a battery. The battery may include a first electrode including a tantalum component, a vanadium component and a boron component. The battery may further include a second electrode and an electrical insulator between the first and the second electrode. The battery system may include a housing, where the housing includes the first electrode, and where the housing is effective to communicate light and oxygen to the first electrode. A sensor may be disposed so as to be effective to detect a reaction of tantalum and oxygen in the housing and generate a reaction signal in response. A processor may be in electrical communication with the sensor and effective to receive the reaction signal and generate an indication based on the reaction signal.

Abstract: Disclosed is a positive electrode applied in lithium battery and method for manufacturing the same. First, a lithium alloy oxide layer is formed on a substrate. Subsequently, an additional high density and low energy plasma treatment is processed, such that the lithium alloy oxide layer has a top surface composed of uniform, dense, and inter-necked nano grains, and the in-side/bottom grains of the oxide layer remain unchanged. According to experiments, the positive electrode with such properties has higher capacity and longer cycle lifetime, thereby improving the lithium battery performance.

Abstract: An anode active material comprising silicon particles with an interfacial layer formed on the surface of the silicon is provided. The interfacial layer has good electron conductivity, elasticity and adhesion among anode materials, thereby enhancing anode capacity and reducing stress caused by expansion of silicon particles during charge and discharge cycles. Direct contact between silicon particles and electrolyte is remarkably reduced as well. In addition, anodes and lithium batteries including the anode active material exhibit excellent capacity and cycle efficiency.

Abstract: Disclosed herein is a negative active material for a lithium secondary battery. The negative active material according to an exemplary embodiment of the present invention includes nanoparticles having a multi layer structure in which a plurality of layers are stacked.

Abstract: Current collectors and methods are provided that relate to electrodes that are useful in lithium polymer electrochemical cells. The provided current collectors include a metallic substrate, a substantially uniform nano-scale carbon coating, and an active electrode material. The coating has a maximum thickness of less than about 200 nanometers.

Abstract: A non-aqueous electrolyte battery comprises a negative electrode comprising a current collector, and a negative electrode layer formed on one or both surfaces of the current collector, a positive electrode, and a separator interposed between the negative electrode and the positive electrode. The negative electrode layer comprises a plurality of layers laminated each other and containing a different active material each other, the layers comprising a first layer which is contacted with the current collector and contains spinel-type lithium titanate as an active material, and a second layer which is disposed to face the separator and contains Ramsdellite-type lithium titanate or anatase-type titanium oxide as an active material.

Abstract: A positive-electrode active material for a lithium-ion secondary battery has an average composition expressed by the following formula (1): LixCo1-y-zMyCezOb-aXa ??(1) wherein M represents at least one element selected from the group consisting of boron B, magnesium Mg, aluminum Al, silicon Si, phosphorous P, sulfur S, titanium Ti, chromium Cr, manganese Mn, iron Fe, cobalt Co, nickel Ni, copper Cu, zinc Zn, gallium Ga, yttrium Y, zirconium Zr, molybdenum Mo, silver Ag, tungsten W, indium In, tin Sn, lead Pb, and antimony Sb, X represents a halogen element, and x, y, z, a, and b satisfy 0.2<x?1.2, 0?y?0.1, 0.5<z?5.0, 1.8?b?2.2, and 0?a?1.0, respectively, and the concentration of cerium Ce is higher in the vicinity of the surface than in the inside.

Abstract: A lithium-ion battery includes a positive electrode having a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material comprises V6O13. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.

Abstract: A cathode material for a secondary battery containing a cathode active material represented by the general formula LinFePO4 (wherein n represents a number from 0 to 1) as a primary component and molybdenum (Mo), wherein the cathode active material LinFePO4 is composited with the Mo. In a preferred embodiment, the cathode material has conductive carbon deposited on the surface thereof.

Abstract: According to one embodiment, a negative electrode active material includes a compound having a crystal structure of monoclinic titanium dioxide. The compound has a highest intensity peak detected by an X-ray powder diffractometry using a Cu-K? radiation source. The highest intensity peak is a peak of a (001) plane, (002) plane, or (003) plane. A half-width (2?) of the highest intensity peak falls within a range of 0.5 degree to 4 degrees.

Abstract: An anode capable of relaxing the stress concentration and improving the characteristics and a battery using it are provided. The anode includes an anode current collector and an anode active material layer containing silicon (Si) as an element, wherein the anode active material layer has a metal element increasing and decreasing region in which a metal element is contained as an element, and a concentration of the metal element is increased and then decreased in a thickness direction.

Abstract: This invention relates to a positive electrode active material for a lithium secondary battery and a lithium secondary battery including the same, and particularly to a positive electrode active material for a lithium secondary battery, in which a lithium composite oxide having a composition of LiNi1-xMxO2 (wherein M represents one or a combination of two elements selected from the group consisting of Co, Al, Mn, Mg, Fe, Cu, Ti, Sn and Cr, and 0.96?x?1.05) is surface-modified using carbon or an organic compound, thereby achieving superior stability and improved high-rate capability compared to conventional positive electrode active materials, and to a lithium secondary battery including the same.

Abstract: An isolated salt comprising a compound of formula (H2X)(TiO(Y)2) or a hydrate thereof, wherein X is 1,4-diazabicyclo[2.2.2]octane (DABCO), and Y is oxalate anion (C2O4?2), when heated in an oxygen-containing atmosphere at a temperature in the range of at least about 275° C. to less than about 400° C., decomposes to form an amorphous titania/carbon composite material comprising about 40 to about 50 percent by weight titania and about 50 to about 60 percent by weight of a carbonaceous material coating the titania. Heating the composite material at a temperature of about 400 to 500° C. crystallizes the titania component to anatase. The titania materials of the invention are useful as components of the anode of a lithium or lithium ion electrochemical cell.

Abstract: 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 of the core and represented by Chemical Formula 1: Li1+xM(I)xM(II)2?xSiyP3?yO12, ??[Chemical Formula 1] wherein M(I) and M(II) are selected from the group consisting of Al, Zr, Hf, Ti, Ge, Sn, Cr, Nb, Ga, Fe, Sc, In, Y, La, Lu, and Mg, and 0<x?0.7, 0?y?1.

Abstract: Supplemental lithium can be used to stabilize lithium ion batteries with lithium rich metal oxides as the positive electrode active material. Dramatic improvements in the specific capacity at long cycling have been obtained. The supplemental lithium can be provided with the negative electrode, or alternatively as a sacrificial material that is subsequently driven into the negative electrode active material. The supplemental lithium can be provided to the negative electrode active material prior to assembly of the battery using electrochemical deposition. The positive electrode active materials can comprise a layered-layered structure comprising manganese as well as nickel and/or cobalt.

Abstract: Provided is a lithium rechargeable battery including: a cathode plate including a cathode current collector layer and a cathode layer; an anode plate spaced from the cathode plate, the cathode plate including an anode current collector layer and an anode layer; and a polymer electrolyte disposed between the cathode plate and the anode plate, wherein at least one of the cathode layer and the anode layer includes a mixed cathode active material or a mixed anode active material.

Abstract: Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1. LixV2-yMyO5??[Chemical Formula 1] In Chemical Formula 1, M is one or more selected from the group consisting of aluminum (Al), magnesium (Mg), zirconium (Zr), titanium (Ti), strontium (Sr), copper (Cu), cobalt (Co), nickel (Ni), manganese (Mn), and a combination thereof, 1<x<4, and 0?y?0.5.

Abstract: An electrochemical element for use at a high temperature has an anode, a cathode comprising an intercalation material having an upper reversible potential-limit of at most 4 V versus Li/Li+ as active material, and an electrolyte arranged between the cathode and anode, which electrolyte comprises an ionic liquid with an anion and a cation a pyrrolidinium ring structure having four Carbon atoms and one Nitrogen atom. Experiments revealed that rechargeable batteries comprising such an intercalation material and N—R1—N—R2-pyrrolidinium, wherein R1 and R2 are alkyl groups and R1 may be methyl and R2 may be butyl or hexyl, are particularly suitable for use at a temperature of up to about 150 degrees Celsius and may be used in oil and/or gas production wells.

Abstract: A method of manufacturing a lithium cell is disclosed. The method can include providing a lithium cell having an operating voltage range, where the lithium cell includes a negative electrode, a positive electrode, and an electrolyte in contact with, and between, the negative electrode and the positive electrode. The negative electrode can include lithium titanate and the electrolyte can include an additive. The method can also include reducing the additive to form a coating on a surface of the negative electrode in contact with the electrolyte. The reducing step can include overcharging the lithium cell to a voltage greater than an upper limit of the operating voltage range and dropping a voltage of the negative electrode to 0.2-1V vs. lithium.

Abstract: Disclosed are a silicon thin film anode for a lithium secondary battery having enhanced cycle characteristics and capacity and a preparation method thereof. A preparation method for a silicon thin film anode for a lithium secondary battery, comprises: preparing a collector including a metal; forming an anode active material layer including a silicon on the collector; forming one or more interface stabilizing layer, by annealing the collector and the anode active material layer under one of an inert atmosphere, a reduced atmosphere, and a vacuum atmosphere to react a metallic component of at least one of the collector and the anode active material layer with a silicon component of the anode active material layer at an interface therebetween; and forming a carbon coating layer on the anode active material layer by performing an annealing process in a hydrocarbon atmosphere.

Abstract: Cathode active materials, and cathodes and magnesium batteries including the cathode active materials. The cathode active materials, and cathodes and magnesium batteries include a metal sulfide-based nanosheet.

Abstract: Disclosed are a cathode active material and a secondary battery including the same, wherein the cathode active material includes (a) a first lithium-containing metal composite oxide and (b) a second lithium-containing metal composite oxide coated on an entire particle surface of the first lithium-containing metal composite oxide particle, the second lithium-containing metal composite oxide having a higher resistance and a lower potential vs. lithium potential (Li/Li+) than the first lithium-containing metal composite oxide.

Abstract: An electrochemical cell includes an anode containing calcium hexaboride, where the electrochemical device is an alkaline cell or an air cathode cell.

Abstract: A process for producing a lithium-containing composite oxide having a large volume capacity density, high safety, excellent durability for charge/discharge cycles, and excellent low temperature characteristics. An oxide of general formula LipNxMyOzFa (wherein N is at least one of Co, Mn or Ni, M is at least one of Al, an alkali earth metal element, a transition metal element other than N, 0.9?p?1.2, 0.97?x?1.00, 0?y?0.03, 1.9?z?2.2, x+y=1 and 0?a?0.02) can be produced.

Abstract: Gas generation of a non-aqueous electrolyte battery having a negative active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium as negative electrode is suppressed. A non-aqueous electrolyte battery comprising a non-aqueous electrolyte containing an electrolyte salt and a non-aqueous solvent, a positive electrode and a negative electrode is characterized in that the main active material of said negative electrode is an active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium and the auxiliary active material of said negative electrode is an active material that at least intercalates lithium ions at a potential lower than 1.

Abstract: A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode.

Abstract: Nanowire array compositions in which nanowires containing at least one Group IV metal (e.g., Si or Ge) in a single layer or core-shell nanowire structure, wherein, in particular embodiments, the nanowires have a transition metal core and/or are surrounded by or embedded within a metal oxide or metal oxide-ionic liquid ordered host material. The nanowire compositions are incorporated into the anodes of lithium ion batteries. Methods of preparing the nanowire compositions, particularly by low temperature methods, are also described.

Abstract: A battery with a high capacity and superior cycle characteristics and an anode active material used in the battery are provided. An anode includes an anode active material capable of reacting with lithium. The anode active material includes tin, cobalt and carbon as elements, and the carbon content is within a range from 9.9 wt % to 29.7 wt % inclusive, and the ratio of cobalt to the total of tin and cobalt is within a range from 30 wt % to 70 wt % inclusive. Moreover, the size of a crystalline phase of an intermetallic compound of cobalt and tin measured by small-angle X-ray scattering is 10 nm or less. Thereby, while a high capacity is maintained, cycle characteristics can be improved.

Abstract: An electrode for a molten salt battery includes a current collector connectable to an electrode terminal of the molten salt battery and an active material. The current collector has an internal space in which small spaces are mutually coupled. The internal space of the current collector is filled with the active material.

Abstract: A method for forming a nanocomposite material, the nanocomposite material formed thereby, and a battery made using the nanocomposite material. Metal oxide and graphene are placed in a solvent to form a suspension. The suspension is then applied to a current collector. The solvent is then evaporated to form a nanocomposite material. The nanocomposite material is then electrochemically cycled to form a nanocomposite material of at least one metal oxide in electrical communication with at least one graphene layer.

Abstract: A new design for a cathode having a configuration of: SVO/first current collector/CFx/second current collector/SVO is described. The two cathode current collectors are vertically aligned one on top of the other in a middle region or zone of the cathode. This coincides to where a winding mandrel will be positioned to form a wound electrode assembly with an anode. The overlapping region of the two current collectors helps balance the expansion forces of the exemplary SVO and CFx active material layers. This, in turn, helps maintain a planar cathode that is more amenable to downstream processing. The use of two current collectors on opposite sides of an intermediate cathode active material also provides for enhanced reliability when cathodes are wound from the center as they lend structural integrity to outer portions of the wind.

Abstract: Disclosed are an organic electrolyte for a lithium-ion battery and a lithium-ion battery comprising the same, wherein the electrolyte includes a base electrolyte containing a lithium salt dissolved in an organic solvent, and diphenyloctyl phosphate added thereto in an amount of 0.1 to 20 wt %. As compared to a conventional organic electrolyte using only a carbonate ester-based solvent, such as ethylene carbonate, ethyl methyl carbonate, etc., the lithium-ion battery employing the organic electrolyte can improve thermal stability of an electrolyte solution, high-rate performance, and charge/discharge cyclability of a battery, while maintaining battery performance of the base electrolyte.

Abstract: Compositions and methods of making are provided for a high energy density aluminum battery. The battery comprises an anode comprising aluminum metal. The battery further comprises a cathode comprising a material capable of intercalating aluminum or lithium ions during a discharge cycle and deintercalating the aluminum or lithium ions during a charge cycle. The battery further comprises an electrolyte capable of supporting reversible deposition and stripping of aluminum at the anode, and reversible intercalation and deintercalation of aluminum or lithium at the cathode.