Abstract: The present invention refers to a method for obtaining an opening (8) in a hollow-body member (3) having a longitudinal extension and a cavity (6), and to a hollow-body member (3) provided with one or more openings (8, 9) obtained with the above-mentioned method, which includes the following phases: a. predisposing a holding die (12) including a seat (17) countershaped with respect with said hollow-body member (3) and an ejection channel (13) having a first end (18) communicating with said seat (17) and a second ejection end (19); b. inserting and positioning the hollow-body member (3) in the seat (17) so that said first end (18) is arranged in correspondence with a wall portion of said hollow-body member (3) on which to obtain an opening (8); c. generating a progressively increasing pressure inside said cavity (6) sufficient to deform said wall portion (16) to a point of detaching it from the hollow-body member (3) to form said opening (8), and expelling the wail portion (16) along the ejection channel (13).

Abstract: Procedure for the manufacture of metal articles with a laser includes the following phases. Prepare at least a metal substrate, deposit on said substrate at least a layer of commercially pure zirconium or its alloys in the form of powder. Said layer is cut with at least a laser beam having a ratio between power and translation speed between 0.12-0.20 W·s/mm.

Abstract: A copper foil comprising a plated layer containing nickel and zinc on a copper foil made of an electrolytic copper foil or a rolled copper foil, and a chromium plated layer on the plated layer containing nickel and zinc, wherein the zinc in the plated layer containing nickel and zinc is made of zinc oxide and metal zinc, and the ratio of metal zinc in the zinc oxide and metal zinc is 50% or less. This invention relates to a copper foil for a flexible printed board formed with a polyimide-based resin layer and in particular provides a copper foil having superior adhesive strength between the copper foil and the polyimide-based resin layer, having acid resistance and tin plating solution resistance, having high peel strength, comprising favorable etching properties and gloss level, and suitable for use in a flexible printed board capable of achieving fine patterning of wiring.

Abstract: The present invention provides a passivant for hot-dip Al—Zn-coated sheet of which the raw materials include: 2˜6 parts by weight of water soluble molybdate, 4˜12 parts by weight of water soluble manganese salt, 50˜100 parts by weight of basic silica sol and 50˜100 parts by weight of water soluble organic resin. The present invention also provides a method to prepare the passivant for hot-dip Al—Zn-coated sheet including the following steps: adding and dissolving water soluble molybdate and water soluble manganese salt into deionized water; adding basic silica sol into the solution and mixing well; adding water soluble organic resin into the solution and mixing well; regulating the pH value of the solution to 5˜8 by using phosphoric acid. The present invention also provides a hot-dip Al—Zn-coated sheet treated with the present passivant and a method to passivate hot-dip Al—Zn-coated sheet.

Abstract: A process for joining a stainless steel part and a silicon nitride ceramic part comprising: providing a stainless steel part, a SiN ceramic part, a Mo foil and a Fe foil; placing the SiN ceramic part, the Mo foil, the Fe foil, and the stainless steel part into a mold, the Mo foil and the Fe foil located between the SiN ceramic part and the stainless steel part, the Mo foil abutting the SiN ceramic part, the Fe foil abutting the stainless steel part and the Mo foil; placing the mold into a chamber of an hot press sintering device, heating the chamber and pressing the stainless steel part, the SiN ceramic part, the Mo foil, and the Fe foil at least until the stainless steel part, the SiN ceramic part, the Mo foil and the Fe foil form a integral composite article.

Abstract: A coated article includes a substrate, a first magnesium-tin alloy layer, a tin layer, a second magnesium-tin alloy layer, a magnesium layer and a magnesium-nitrogen layer. The substrate is made of magnesium or a magnesium alloy. The substrate made of magnesium or magnesium alloy. The first magnesium-tin alloy layer formed on the substrate. The tin layer formed on the first magnesium-tin alloy layer. The second magnesium-tin alloy layer formed on the tin layer. The magnesium layer formed on the second magnesium-tin alloy layer. The magnesium-nitrogen layer formed on the magnesium layer.

Abstract: The present invention relates to a layer system for coating a substrate surface and to a method for coating a substrate surface with a corresponding layer system, the layer system comprising at least two layers. One layer is a metal-nickel-alloy layer with a metal of the group comprising tin, copper, iron, tungsten and cobalt or an alloy of at least one of said metals, and the other layer is a layer of a metal of the group comprising nickel, copper, tin, molybdenum, niobium, cobalt, chromium, vanadium, manganese, titanium and magnesium, or an alloy of at least one of said metals. The layer system according to the invention is characterized by a high mechanical stability and great corrosion resistance.

Abstract: A hot dip Al—Zn coated steel sheet exhibits excellent corrosion resistance. The Al content in a coated film is 20-95% by mass. The Ca content is 0.01-10% by mass. Alternatively, the total content of Ca and Mg is 0.01-10% by mass. Preferably, the coated film includes an upper layer and an alloy phase present at the interface to a substrate steel sheet, and Ca or Ca and Mg are contained primarily in the upper layer. Also preferably, the Ca or Ca and Mg include an intermetallic compound with at least one type selected from Zn, Al, and Si. If Ca or Ca and Mg are contained in the coated film, as described above, these elements are contained in corrosion products generated in a bonded portion and exert effects of stabilizing the corrosion products and retarding proceeding of corrosion thereafter. Then, as a result, the corrosion resistance is improved.

Abstract: A method for applying a low residual stress damping coating to a surface of a substrate is provided. The method includes heating a ferromagnetic damping material in powder form such that the ferromagnetic damping material is at least partially molten. Next, the at least partially molten ferromagnetic damping material is directed at a surface of the substrate at an application velocity so that it adheres to the surface of the substrate to create a ferromagnetic damping coating on the surface of the substrate, resulting in a coated substrate. The ferromagnetic damping coating has a balanced coating residual stress, including a tensile quenching stress component and a compressive peening stress component. The balanced coating residual stress is within a range of ±50 MPa without having to subject the coated substrate to a high temperature annealing process. The resulting coated substrate exhibits a high damping capacity.

Abstract: A STT-RAM MTJ is disclosed with a MgO tunnel barrier formed by natural oxidation process. A Co10Fe70B20/NCC/Co10Fe70B20, Co10Fe70B20/NCC/Co10Fe70B20/NCC, or Co10Fe70B20/NCC/Co10Fe70B20/NCC/Co10Fe70B20 free layer configuration where NCC is a nanocurrent channel layer made of Fe(20%)-SiO2 is used to minimize Jc0 while enabling higher thermal stability, write voltage, read voltage, Ho, and Hc values that satisfy 64 Mb design requirements. The NCC layer is about 10 Angstroms thick to match the minimum Fe(Si) grain diameter size. The MTJ is annealed with a temperature of about 330° C. to maintain a high magnetoresistive ratio while maximizing Hk?(interfacial) for the free layer thereby reducing Heff and lowering the switching current. The Co10Fe70B20 layers are sputter deposited with a low pressure process with a power of about 15 Watts and an Ar flow rate of 40 standard cubic centimeters per minute to lower Heff for the free layer.

Abstract: A magnetic film or layer includes a non-hexagonal close pack (non-hcp) structure.

Abstract: A magnetic memory includes: a magnetization fixed layer having perpendicular magnetic anisotropy, a magnetization direction of the magnetization fixed layer being fixed; an interlayer dielectric; an underlayer formed on upper faces of the magnetization fixed layer and the interlayer dielectric; and a data recording layer formed on an upper face of the underlayer and having perpendicular magnetic anisotropy. The underlayer includes: a first magnetic underlayer; and a non-magnetic underlayer formed on the first magnetic underlayer. The first magnetic underlayer is formed with such a thickness that the first magnetic underlayer does not exhibit in-plane magnetic anisotropy in a portion of the first magnetic underlayer formed on the interlayer dielectric.

Abstract: A method for producing electrical energy in a munition includes; initiating a thermal battery contained within the munition to generate electrical energy; dumping the electrical energy generated by the thermal battery into an electrical energy storage device before the thermal battery becomes inactive; and using the stored electrical energy in the electrical energy storage device over a period of time. The initiation device can be an inertial igniter, the electrical energy storage device can be a capacitor and the thermal battery, initiation device and electrical energy storage device can be configured such that the initiation device and electrical energy storage device sandwich the thermal battery.

Abstract: A mobile device having: a keyboard; a printed circuit board having at least one contact responsive to the keyboard; and a fuel cell assembly having: a fuel cell located between the keyboard and the printed circuit board, the fuel cell having a membrane and at least one aperture corresponding with the at least one contact; a tank adapted to store a fuel for the fuel cell; and piping connecting the tank with the fuel cell, where the fuel cell ventilates through the keyboard. Alternatively, the fuel cell acts as the printed circuit board and at least one contact for the keyboard is printed onto the fuel cell.

Abstract: A redox flow battery comprising an electrode cell including a negative electrode cell, a positive electrode cell and a separator for separating them, in which at least one of the negative electrode cell and the positive electrode cell includes a slurry type electrode solution, a porous current collector and a casing; a tank for storing the slurry type electrode solution; and a pipe for circulating the slurry type electrode solution between the tank and the electrode cell.

Abstract: The present invention concerns an electrochemical system (100) including a stack of series connected electrochemical units (102). The system is controlled by a control circuit (104) and includes a plurality of differential amplifiers (114), each connected by two inputs to the terminals of an electrochemical unit, in order to supply a voltage representative of the potential difference present between the terminals of said electrochemical unit. Each representative voltage is sent to a control unit (106) arranged for converting said representative voltage into a numerical value transmitted to the control circuit. The system further includes, between each differential amplifier and the control unit, a buffer means (116) controlled by the control circuit. The buffer means is capable of saving the voltage representative of the potential difference present between the terminals of the electrochemical unit to which it is connected. The voltage is saved simultaneously by all of the buffer means.

Abstract: A thermal battery including: a casing; a thermal battery cell disposed in the casing and operatively connected to electrical connections exposed from the casing; a fuel and oxidizer mixture disposed at least partially between the casing and the battery cell; and one or more initiators for initiating one or more of the thermal battery cell and the fuel and oxidizer mixture; wherein the fuel and oxidizer mixture produces an exothermic reaction upon initiation and forms a reaction product being a thermal insulator.

Abstract: Provided is a battery system in which an interior part of a battery structure includes phase-change particles including a capsule and phase-change materials. The phase-change materials have a high latent heat of phase change at a specific temperature, and are encapsulated in the capsule. The capsule is made of an inert material. The battery system in accordance with the present invention can prolong a service life of the battery by inhibiting temperature elevation inside the battery under normal operating conditions without substantial effects on size, shape and performance of the battery, and further, can inhibit the risk of explosion resulting from a sharp increase in temperature inside the battery under abnormal operating conditions, thereby contributing to battery safety.

Abstract: An electrochemical system includes: (1) a battery including an anode and a cathode; (2) a first source of a first electrolyte having a first concentration of ions; (3) a second source of a second electrolyte having a second concentration of the ions, wherein the second concentration is greater than the first concentration; and (4) a fluid conveyance mechanism connected between the battery and each of the first source and the second source. During charging of the battery, the anode and the cathode are at least partially immersed in the first electrolyte, and, during discharging of the battery, the anode and the cathode are at least partially immersed in the second electrolyte. The fluid conveyance mechanism exchanges the first electrolyte with the second electrolyte between charging and discharging of the battery, and exchanges the second electrolyte with the first electrolyte between discharging and charging of the battery.

Abstract: A rechargeable battery including at least one electrode assembly that performs charging and discharging; a case receiving the electrode assembly; a cap assembly coupled to the case and including at least one terminal electrically connected to the electrode assembly; a lead tab electrically connecting the terminal and the electrode assembly; and a supporting member between the lead tab and the case, wherein the lead tab includes at least one coupling bar attached to the electrode assembly, and the supporting member includes a supporting protrusion coupled to one surface of the coupling bar and a base supported by an inner surface of the case.

Abstract: Cooling air intake port (52), cooling air exhaust port (55), and securing walls (86, 87), which contact and secure the side surfaces of one or more battery cells (72), may be defined within two battery pack housing halves (50, 80). When battery pack (99) is assembled, at least one cooling air passage (91, 92) is defined by the side surfaces of the battery cells, the interior surface of the battery pack housing, and the securing walls. The cooling air passage connects the cooling air intake port to the cooling air exhaust port. By forcing cooling air through the cooling air passage, the battery cells can be effectively and efficiently cooled.

Abstract: There is provided a nonaqueous electrolyte battery including a first electrode having a strip shape, a second electrode having a strip shape, a first electrode lead, a second electrode lead, a separator having a strip shape that is disposed between the first electrode and the second electrode, and a nonaqueous electrolyte. A laminated electrode body, which is obtained by laminating the first electrode and the second electrode through the separator in such a manner that the second electrode lead is disposed at the other end portion of the second electrode not opposite to one end portion of the first electrode to which the first electrode lead is connected, is wound in a longitudinal direction with one end to which the first electrode lead is connected made as an initial end, and a wound electrode body is obtained.

Abstract: A lithium ion battery is provided comprising a shell, an electric core disposed in the shell with a space formed therebetween, and a non-aqueous electrolyte housed in the shell, in which the space is filled with a non-aqueous electrolyte resistant filler.

Abstract: An electronic device includes a casing having an accommodation space, a battery detachably assembled in the accommodation space, and a latching module. The battery has a hook extending towards the casing, a first urging surface, a second urging surface, and a step connected between the first and the second urging surfaces. The latching module disposed in the casing moves back and forth between a first position and a second position. The latching module includes a main body and an urging portion extending from the main body towards the battery. The first urging surface, the step, and the second urging surface are sequentially located in a moving path of the urging portion. When the latching module is located at the first position or the second position, the urging portion is buckled to the hook or limited by the step and rests on the second urging surface.

Abstract: A frame for a galvanic cell, comprising an electrode stack with a foil-like packaging through which at least two conductors protrude, which is configured such that said frame can be firmly connected to the packaging of the cell during the manufacture of the cell. During the manufacture of such a galvanic cell, in the process of closing the packaging, a frame is firmly connected to the packaging.

Abstract: A polyolefin microporous membrane that may serve as a separator for a lithium ion battery is a single-layer or laminated structure and includes a film that forms a surface layer and contains organosilicone particles.

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: A method for preparing a mixture of a powder of an electrode active compound and of a powder of an electron conducting compound, wherein the following successive steps are performed: a liquid medium is prepared containing the powder of the electrode active compound and the powder of the electron conducting compound; the liquid medium containing the powder of the electrode active compound and the powder of the electron conducting compound is subjected to the action of high energy ultrasonic waves; the liquid medium is removed; the mixture of the powder of the electrode active compound and of the powder of the electron conducting compound is collected. The thereby obtained mixture. An electrode comprising said mixture as an electrochemically active material. A cell comprising at least such an electrode, and an accumulator or battery comprising one or more of these cells.

Abstract: A monolithically integrated thin-film solid-state lithium battery device to supply energy to a mobile communication device. The device includes a plurality of layers ranging from greater than 100 layers to less than 20,000 layers of lithium electrochemical cells, which may be connected in parallel or in series to conform to a spatial volume. The device also includes a polymer based coating characterized by a thickness to house the plurality of layers and configured as an exterior region for the battery device, the polymer based coating having a resistivity of 1012 ?.cm and higher. The device further includes a hermetic seal provided by the polymer-based coating to enclose and house the plurality of layers.

Abstract: A battery set package is disclosed, which comprises: a plurality of battery cells, each being configured with a frame of a specific length that has two terminals defined at the two opposite longitudinal ends of the frame; two brackets, disposed respectively at the two opposite terminals of the frame for allowing the plural battery cells to be sandwiched between the two brackets; two shells, respectively mounted on the both side of the two brackets; and a plurality of fixtures, for exerting clamping forces in a direction parallel with the longitudinal direction of the frame to the two shells so as to press the two shells to move toward each other and thus fixedly secured the two brackets along with the plural battery cells between the two shells.

Abstract: A negative electrode active material contains a metal-displaced lithium-titanium oxide of a ramsdellite structure expressed by the formula Li(16/7)-xTi(24/7)-yMyO8 (where M is at least one metal element selected from the group consisting of Nb, Ta, Mo, and W, and x and y are respectively numbers in the range of 0<x?16/7 and 0<y<24/7).

Abstract: Disclosed is a battery module structure including unit cells having positive and negative cell taps at an edge each unit cell to induce electricity, a plurality of receptacles respectively coupled to cell taps of unit cells, and a plurality of bus bars electrically connecting receptacles. Advantageously, the present invention, ensures a stable connection between the unit cells, makes manufacturing and assembling easy, ensures high durability, allows for implementation of various shapes and structures of the battery modules, and freely determines the arrangement structure and the number of the unit cells in various ways.

Abstract: A battery module 100 includes a plurality of cells 10 arranged in a grid array. The cells 10 arranged in a row direction are connected together in parallel by a first connecting member 20. The cells 10 arranged in a column direction are connected together such that the cells 10 adjacent to each other in the column direction are connected together in series by a second connecting member 30. When an internal short-circuit occurs in any one of the cells 10, the first connecting member 20 connected to the cell 10 in which the internal short-circuit has occurred is melted by Joule heat generated due to a short-circuit current flowing into the cell 10 in which the internal short-circuit has occurred from the other cells 10 in which no internal short-circuit occurs via the first connecting member 20.

Abstract: A thin battery with improved properties containing a cathode paste is presented. The cathode paste comprises a cathode active material, an electrolyte solution, one or more binding agent and boric acid. A method for preparing a cathode paste and a cathode are also provided.

Abstract: Disclosed is a non-aqueous electrolyte secondary battery including a cathode, an anode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, wherein the non-aqueous electrolyte contains an orthocarbonate ester compound represented by Formula (1) and cyclic carbonate ester compounds represented by Formulae (2) to (5). (wherein R1 to R4 each independently represent an alkyl group, an alkyl halide group or an aryl group and R1 to R4 may be joined together to form a ring.) (wherein R5 to R8 each independently represent a hydrogen group, an alkyl group or an alkyl halide group and at least one of R5 to R8 represents a halogen group or an alkyl halide group.) (wherein R9 and R10 each independently represent a hydrogen group, an alkyl group, a halogen group or an alkyl halide group.

Abstract: Provided is a cable-type secondary battery including an electrode assembly and a cover member surrounding the electrode assembly, the electrode assembly including first and second electrodes of an elongated shape and a separator or an electrolyte interposed between the first and second electrodes, each electrode including a current collector having a cross section of a circular, asymmetrical oval or polygonal shape perpendicular to the lengthwise direction thereof and an electrode active material applied onto the surface of the current collector, wherein the cover member has at least partially a predetermined concavo-convex pattern in the direction of the electrode assembly. The cover member of a concavo-convex pattern may improve the flexibility of the cable-type secondary battery. When the cover member is applied to an electrode active material pattern layer, the flexibility of the cable-type secondary battery may be further improved.

Abstract: The present invention provides a battery storage case capable of achieving easier insertion of an adhesive projection into an adhesion groove and ensuring adhesion sealability, and a battery pack having this battery storage case. The battery storage case includes: first and second cases 4 and 3 for sandwiching and storing a battery 2 therebetween in a predetermined sandwiching direction; an adhesive projection 10 provided in the first case 4; and an adhesion groove 7 provided in the second case 3, wherein the width of the adhesion groove 7 is set to be greater than the thickness of the adhesive projection 10, and the first case 4 and the second case 3 can be adhered to each other in a state that a clearance K1 on the outer circumference side of the adhesive projection 10 is different from a clearance K2 on the inner circumference side of the adhesive projection 10 over the entire circumference of an axis parallel to the sandwiching direction.

Abstract: Provided is a packaging material for electrochemical cells which has an identification mark that can be recognized from the outside and that is difficult to forge. The packaging material comprises a multilayer film which has a structure formed by laminating a base layer (11), an adhesive layer (13), a metal foil layer (12), an acid-modified polyolefin layer (14), and a heat-sealable layer (15) in this order, wherein the base layer (11) comprises both a oriented polyester film (11b) and a oriented nylon film (11e) with a printed layer (11c) provided on the surface of the oriented polyester film (11b) that faces the oriented nylon film (11e).

Abstract: Provided are a semiconductor film including silicon microstructures formed at high density, and a manufacturing method thereof. Further, provided are a semiconductor film including silicon microstructures whose density is controlled, and a manufacturing method thereof Furthermore, a power storage device with improved charge-discharge capacity is provided. A manufacturing method in which a semiconductor film with a silicon layer including silicon structures is formed over a substrate with a metal surface is used. The thickness of a silicide layer formed by reaction between the metal and the silicon is controlled, so that the grain sizes of silicide grains formed at an interface between the silicide layer and the silicon layer are controlled and the shapes of the silicon structures are controlled. Such a semiconductor film can be applied to an electrode of a power storage device.

Abstract: The present invention relates to a core-shell type anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery according to the present invention comprises a carbon based material core portion; and a shell portion formed outside of the carbon based material core portion by coating the carbon based material core portion with a spinel-type lithium titanium oxide. The anode active material for a lithium secondary battery according to the present invention has the metal oxide shell portion, and thus has the improved conductivity, a high output density, and consequently excellent electrical characteristics.

Abstract: According to the present invention, formation of a compound material layer is carried out by a method that includes a step of forming a binder solution layer 56 by applying a binder solution 50 containing a binder 54 to a current collector 10, a step of depositing the binder solution layer 56 and a compound material paste layer 46 on the current collector 10 by applying a compound material paste 40 over the binder solution layer 56, and a step of obtaining an electrode in which the compound material layer is formed on the current collector 10 by drying both the binder solution layer 56 and the compound material paste layer 46. Here, the binder solution 56 has a binder solution non-coated region 58 where a surface 12 of the current collector 10 is exposed, and the drying is carried out in a state in which a portion of the compound material paste layer 46 is deposited on the current collector 10 in the binder solution non-coated region 58.

Abstract: A positive active material of a positive electrode of a rechargeable lithium battery, the positive active material includes a core and a composite surrounding a surface of the core and including a phosphate-based compound and a carbon-based compound. The core being a nickel-based oxide having the chemical formula Lia(NixCoyMnz)2-aO2 where 1.01?a?1.2, 0.5?x?1, 0?y?0.5, and 0?z?0.5, the phosphate-based compound being one of Li3PO4, P2O5, H3PO4, (NH4)2HPO4, NH4H2PO4 and a combination thereof, the carbon-based compound being obtained from a precursor, the precursor being one of sucrose, denka black, carbon black and a combination thereof.

Abstract: A negative electrode for a non-aqueous electrolyte secondary battery of the invention includes: a sheet-like current collector with a plurality of through-holes; a carbon layer formed on a surface of and in the through holes of the current collector; and a mixture layer formed on a surface of the carbon layer. The mixture layer includes an active material and a conductive agent, and the active material includes a lithium-titanium containing composite oxide with a spinel crystal structure. The current collector has a void ratio of 20 to 60%. The carbon layer has an average density of 0.05 to 0.4 g/cm3. The use of this negative electrode can provide a non-aqueous electrolyte secondary battery with good rate characteristics and cycle characteristics.

Abstract: Disclosed are a negative active material of a rechargeable lithium battery and a rechargeable lithium battery including a negative electrode, and the negative electrode includes a negative active material layer including a negative active material represented by the following Chemical Formula 1. X—Ra—Rb In Chemical Formula 1, X is an active material which comprises a metal and has a functional group which has been reacted with a silane coupling agent, Ra is a residual group from a silane coupling agent, and Rb is a polymer.

Abstract: An electrode for lithium ion recharged battery cell includes current collectors, a cathode layer, a separator and a cohesive anode mass. The cohesive anode mass includes silicon as an active material and a polymeric binder. The polymeric binder is a homo-polymer or copolymer of one or more monomers selected from the group consisting of acrylic acid, 3-butenoic acid, 2-methacrylic acid, 2-pentenoic acid, 2,3-dimethylacrylic acid, 3,3-dymethylacrylic acid, trans-butenedioc acid, cis-butenedioc acid and itaconic acid and optionally an alkali metal salt thereof. The silicon can include 20 to 100% of the active material in the cohesive mass. The binder is mixed with the silicon to form the cohesive mass that adheres to the current collector and maintains the cohesive mass in electrical contact with the current collector.

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: The present invention relates to a cathode active material for a lithium secondary battery, a method of preparing thereof and a lithium secondary battery comprising the same, wherein the cathode active material comprises a compound of formula (I): Liz(Ni1-x-yCoxMny)O2??(I) wherein, 0.97?z?1.1, 0.5?1-x-y?0.8, and x:y=1:1.15 to 1:3.

Abstract: Synthesis process for new particles of Li4Ti5O12, Li(4-?)Z?Ti5O12 or Li4Z?Ti(5-?)O12, preferably having a spinel structure, wherein ? is greater than 0 and less than or equal to 0.5 (preferably having a spinel structure), ? representing a number greater than zero and less than or equal to 0.33, Z representing a source of at least one metal, preferably chosen from the group made up of Mg, Nb, Al, Zr, Ni, Co. These particles coated with a layer of carbon notably exhibit electrochemical properties that are particularly interesting as components of anodes and/or cathodes in electrochemical generators.

Abstract: Provided is a negative electrode for a non-aqueous electrolyte secondary battery, the negative electrode being unlikely to cause changes in thickness even when subjected repeated charge/discharge over a long period of time. The negative electrode includes a core material, and a negative electrode material mixture layer adhering to the core material. The negative electrode material mixture layer includes a particulate carbon material. The particulate carbon material has a breaking strength of 100 MPa or more. The particulate carbon material has a surface roughness Ra of 0.2 to 0.8 ?m. The negative electrode material mixture layer has a packing density of 1.4 to 1.6 g/cm3. In a diffraction pattern of the negative electrode material mixture layer measured by wide-angle X-ray diffractometry, the ratio of I(101) to I(100) satisfies 1.0<I(101)/I(100)<3.0, and the ratio of I(110) to I(004) satisfies 0.25?I(110)/I(004)?0.45.

Abstract: The electrolyte includes one or more salts and a silane. The silane has a silicon linked to one or more first substituents that each include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. The silane can be linked to four of the first substituents. Alternately, the silane can be linked to the one or more first substituents and one or more second substituents that each exclude both a poly(alkylene oxide) moiety and a cyclic carbonate moiety.