Abstract: The present invention relates to a multilayer polymer film structure that possesses the necessary functionality to serve as either (i) a heat sealable film with low minimum seal temperature, broad seal range, and high seal strength or (ii) a metal-receiving film onto which a metal layer may be deposited with excellent metal adhesion. The film structure includes a core layer and at least one skin layer. The core layer has a first and second side, and contains a film-forming polyolefin. The at least one skin layer contains a film-forming ethylene acid terpolymer resin composition comprising (i) polyethylene, (ii) acrylic acid, methacrylic acid, or mixtures thereof, and (iii) alkyl acrylate, alkyl methacrylate, or mixtures thereof. The film is particularly useful in the packaging of certain types of foods.

Abstract: A polyolefin resin composition comprises (A) 10 to 100 wt. % of a propylene/&agr;-olefin random copolymer obtained by random copolymerization of propylene and a C2 to C20 &agr;-olefin, and having a melting point as measured by DSC of 40 to 115° C. and an &agr;-olefin content of 5 to 70 mol %, (B) 0 to 90 wt. % of a random propylene resin having a melting point as measured by DSC of 120 to 150° C., and (C) an alicyclic saturated hydrocarbon resin having a glass transition point of 20 to 100° C. and a number average molecular weight of 1200 or less, the component (C) being used in an amount of 5 to 100 weight parts per 100 weight parts of the total amount of the components (A) and (B).

Abstract: From about 50 to about 90% by weight of fibers, in particular wood fibers, and/or pellets made from cellulose or from wood, are mixed with from about 10 to about 50% by weight of a hot-curing resin, each of the percentages by weight being based on the total weight of the mixture. Instead of a single resin it is also possible to use a mixture made from two or more hot-curing resins. The mixture made from fibers and/or pellets and resin is kneaded and homogenized and then passed on to an extruder which has various heating zones in which the mixture is heated. Care has to be taken here that the maximum temperature, arising at the extruder exit, does not exceed about 120° C., since above this temperature the resin(s) begin(s) to cure.

Abstract: A metallic carrier for automobile exhaust gas purification made of thin metal foil includes a honeycomb unit composed of 8-25 &mgr;m thick corrugated metal foil and flat metal foil joined by solder joints not fewer than 70% of which have a thickness of at least 1.5 times and not greater than 4 times the foil thickness. A method of producing the metal carrier includes a step of forming a honeycomb unit in which 8-25 &mgr;m thick corrugated metal foil and flat metal foil are joined by solder joints using a solder powder, the solder powder having a particle diameter not greater than 4.5 times the thickness of the metal foil constituting the honeycomb unit.

Abstract: A wide sheet formed of a metal foil is wound a plurality of times around outer peripheral surfaces of four honeycomb matrices arranged in series to form an intermediate tube. As a result, a subassembly is formed. A brazing filler material is wound around an outer peripheral surface of the subassembly at an end portion thereof. The subassembly is inserted into an outer tube. The outer tube is caulked to reduce an outer diameter thereof. Then, heat processing is performed in vacuum to diffusion bond a corrugated sheet and a flat sheet, which form the honeycomb matrices, and the wide sheet of the intermediate tube to each other. The intermediate tube and the outer tube are brazed to each other. Thus, a metal substrate for carrying a catalyst is achieved.

Abstract: A method of producing a metal-coated steel strip includes the steps of forming a metal coating on a steel strip and conditioning the surface of the metal-coated steel strip by smoothing the surface of the strip. The method is characterised in that the conditioning step produces residual stress of no more than 100 MPa in the strip.

Abstract: A thermal barrier coating (TBC) system and method for forming the coating system on a component. The method generally entails forming a TBC on the surface of the component so that the TBC has at least an outer portion that is resistant to infiltration by CMAS. The TBC is formed by co-depositing first and second ceramic compositions by physical vapor deposition so that the entire TBC has columnar grains and at least the outer portion of the TBC is a mixture of the first and second ceramic compositions. The outer portion is preferably a continuation of the inner portion, such that the TBC is not characterized by discrete inner and outer coatings. The second ceramic composition serves to increase the resistance of the outer portion of the TBC to infiltration by molten CMAS. A platinum-group metal may be co-deposited with the first and second ceramic compositions, or deposited before the TBC and then diffused into the outer portion as a result of the parameters employed in the deposition process.

Abstract: Titanium architectural panels (20) are provided which have recrystallized surface portions on at least the outer surface (22) thereof to give a decorative appearance to the panels (20). Surface recrystallization is obtained by subjecting the panels (20) to multiple oven heating steps (H1, H2) with intermediate cooling steps (C1, C2), wherein during each heating step (H1, H2) maximum temperature ranges (TH1, TH2) are established and maintained for predetermined periods. The intermediate cooling steps (C1, C2) involve injection of an inert cooling gas (e.g., argon) into the oven to rapidly lower the temperature to minimum temperature ranges (TL1, TL2). Preferably, the individual panels (20) are framed using molybdenum frame assembly (42), and are then suspended on a graphite and molybdenum hanger assembly (72).

Abstract: A coated superalloy article is prepared by furnishing a nickel-base superalloy article substrate having a rhenium content of not less than about 4.0 percent by weight, and thereafter depositing an aluminum-containing coating onto a surface of the article substrate. The aluminum-containing coating includes an additive zone having an average aluminum content of not greater than about 27 percent by weight, and a diffusion zone of interdiffusion with the article substrate. A ratio of a thickness of the additive zone to a thickness of the diffusion zone is not greater than about 3:1, and is preferably about 1:1.

Abstract: This invention relates to a borane derivative represented by the formula (1) and an organic electroluminescent element: 1

Abstract: An organic electroluminescent device is provided that includes an anode and a substantially pure Mg cathode, an electroluminescent medium disposed between the anode and the cathode, and an adhesion-promoting layer in contact with cathode and the electroluminescent medium. The adhesion-promoting layer comprises at least one metal or metal compound selected from group 1 through group 15 of the Periodic Table of Elements such that the metal has an atomic number of at least 19.

Abstract: A metal coordination compound having a binuclear molecular structure represented by the following formula (1): 1

Abstract: The invention relates to improving the stability of the lower electrodes in an electroluminescent display employing a thick film dielectric. The invention is an encapsulated electrode comprising an electrode of an electrically conductive metallic film. A layer of encapsulating material is provided on an upper and/or lower surface of the electrode layer. The encapsulating material reduces the risk of the electrode from becoming discontinuous and losing its electrical conductivity.

Abstract: A phosphor comprising a matrix material: Ba1−xZnxS wherein 0<x<1 and a luminescence center, typically Mn and/or Eu emits light of a sufficient color purity to eliminate a need for a filter, and in a good response and especially red light suitable in a full-color EL panel. An EL panel comprising the same is also provided.

Abstract: A magnetic recording medium includes a substrate, an underlayer, a lower magnetic layer formed on the underlayer, an intermediate layer, and an upper magnetic layer formed on the intermediate layer. The intermediate layer is typically Ru, and promotes antiferromagnetic coupling between the upper and lower magnetic layers. The upper and lower magnetic layers are typically Co alloys. The lower magnetic layer has a high saturation magnetization Ms to promote high exchange coupling between the upper and lower magnetic layers. The dynamic coercivity of the lower magnetic layer is lower than the exchange field to ensure rapid switching of the lower magnetic layer.

Abstract: Disclosed are magnetic recording media having excellent running durability and electromagnetic characteristics and comprising a lower layer comprising a magnetic powder or nonmagnetic powder and a binder and one or more upper magnetic layers comprising a ferromagnetic powder and a binder in this order on a nonmagnetic support. In one mode, at least said lower layer comprises a binder comprising polyurethane resin having a glass transition temperature ranging from 100 to 200° C., and a magnetic layer positioned as the topmost layer among said upper magnetic layers comprises 5 to 1,000 surface protrusions of 10 to 20 nm in height per 100 &mgr;m2 on the surface thereof. In another mode, at least a magnetic layer positioned as the topmost layer among said upper magnetic layers comprises a binder comprising polyurethane resin having a glass transition temperature ranging from 100 to 200° C.

Abstract: A tape-like magnetic medium comprising a flexible substrate and a magnetic layer thereon which comprises magnetic pigment and polymeric binder. The magnetic layer has a thickness of at least 3 &mgr;m and a specific surface porosity of at least 80 cm2/cm2. Also provided are a production process for the medium and a high-speed process for the production of a copy of a magnetic master tape.

Abstract: A flexible magnetic recording medium to which data is transferred by being brought into intimate contact with a master carrier which has a land/groove pattern corresponding to the data and also has a surface whose Moh's hardness is 6 to 10. The magnetic recording medium includes a substrate, a non-magnetic layer, and a magnetic layer. The non-magnetic layer and the magnetic layer are coated on the substrate in the recited order. The magnetic layer contains an abrasive comprising diamond particles whose average particle size is 0.03 to 0.5 &mgr;m. The diamond particle content of the abrasive is in a range of 0.1 to 5 wt % of ferromagnetic powder contained in the magnetic layer.

Abstract: A perpendicular magnetic recording medium has a nonmagnetic substrate, a nonmagnetic underlayer, a magnetic layer, a protective film, and a liquid lubrication layer sequentially laminated on the substrate. The nonmagnetic layer is composed of a metal or alloy having a hcp crystal structure. The magnetic recording layer consists of ferromagnetic crystal grains and a nonmagnetic grain boundary phase mainly composed of an oxide surrounding the grains. A seed layer of a metal or alloy having a fcc crystal structure can be provided under the nonmagnetic underlayer, and a nonmagnetic alignment control layer can be provided under the seed layer. The recording medium can provide high output and low noise by improving the alignment of the magnetic recording layer, reducing the initial growth layer in the magnetic recording layer, and minimizing the grain size of the magnetic recording layer.

Abstract: In a magnetic recording medium including a glass substrate (1) having a principal surface on which at least a magnetic layer (4) is formed, the magnetic recording medium has a coercive force of 2500 oersted or more in a circumferential direction thereof. The principal surface of the glass substrate is provided with a texture having a predetermined surface roughness so that the magnetic layer is given circumferential magnetic anisotropy. The magnetic recording medium further includes a magnetic anisotropy inducing layer (2) formed between the glass substrate and the magnetic layer so that the magnetic recording medium has an oriented ratio (OR) of 1.1 or more. The oriented ratio (OR) is defined as a ratio of a magnetic characteristic in circumferential direction to another magnetic characteristic in the radial direction.

Abstract: The present invention provides a metal thin film type magnetic recording medium having improved tracking stability and friction stability, by improving the lubricating layer in consideration of the state of forming the lubricating layer in view of the distribution of the lubricant.

Abstract: On a polymeric substrate 1, there is formed with a single magnetic layer 2 containing a ferromagnetic metal and oxygen. The magnetic layer 2 is divided into three regions equally in the depth direction from the polymeric substrate 1 to the surface of the magnetic layer 2, wherein the three regions are defined as a first region 21, a second region 22 and a third region 23 respectively in accordance with a process of forming the magnetic layer 2. With defining that a maximum value of oxygen concentration in the first region 21 is “Max 1”, a minimum value of oxygen concentration in the second region 22 is “Min 2”, and a maximum value of oxygen concentration in the third region 23 is “Max 3” respectively, these values “Max 1”, “Min 2” and “Max 3” have relations of “Min 2”<“Max 1” and “Min 2”≦“Max 3”≦“Max 1”.

Abstract: An integrated circuit includes a layered superlattice material including one or more of the elements cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. These elements may either be A-site elements or superlattice generator elements in the layered superlattice material. In one embodiment, one or more of these elements substitute for bismuth in a bismuth layered material. They also are preferably used in combination with one or more of the following elements: strontium, calcium, barium, bismuth, cadmium, lead, titanium, tantalum, hafnium, tungsten, niobium, zirconium, bismuth, scandium, yttrium, lanthanum, antimony, chromium, thallium, oxygen, chlorine, and fluorine. Some of these materials are ferroelectrics that crystallize at relatively low temperatures and are applied in ferroelectric non-volatile memories.

Abstract: A superalloy article is disclosed having a thermal barrier coating. The article comprises a superalloy substrate, an adherent alumina layer on the substrate, and a ceramic, thermally insulating layer on the alumina layer. The ceramic layer has an overall thickness and comprises a relatively strain tolerant, columnar grain ceramic on the alumina layer and relatively more thermally insulating ceramic on the columnar grain ceramic. The alumina layer may be formed using an alumina forming layer such as an overlay or aluminide bond coat, or the superalloy may comprise a material that is capable of forming an alumina layer. The ceramic layers may be formed of a stabilized zirconia or other suitable material, and may have the same or different compositions.

Abstract: Microscopic batteries, integratable or integrated with and integrated circuit, including a MEMS microcircuit, and methods of microfabrication of such microscopic batteries are disclosed.

Abstract: Process for improving the efficiency of a fuel cell system having a liquid coolant and a pump circulating the coolant through the fuel cell and a heat exchanger that extracts heat from the coolant. Improved efficiency is achieved by intermittently shutting off the pump when the fuel cell is operating at less than 25% of its “full power” design point.

Abstract: An electric energy generating apparatus configured to generate a desired electromotive force from hydrogen and oxygen. The apparatus comprises a hydrogen electrode film, an electrolyte film and an oxygen electrode film. The hydrogen electrode film, to which hydrogen is supplied, comprises a catalyst layer containing a decomposing catalyst that decomposes hydrogen into protons and electrons. The electrolyte film comprises a sheet having a plurality of voids. Oxygen is supplied to the oxygen electrode film. The voids in the electrolyte film are filled with proton-conducting material and/or the decomposing catalyst. This prevents the hydrogen from reaching the oxygen electrode film. When hydrogen is supplied to the hydrogen electrode film, the concentration of hydrogen of the oxygen electrode therefore decreased to such a value as required generating the desired electromotive force.

Abstract: Carbon dioxide is removed from a water/fuel mixture, especially in a fuel cell. To this end, a separation installation that works according to the principle of the fuel cell is used for removing the carbon dioxide with the help of a fuel- and water-permeable membrane. The corresponding device has a fuel cell unit that is used as the separation installation and that forms part of the entire installation.

Abstract: End plates, as constituting elements in a fuel cell, are conventionally made by cutting metal plates. Therefore, they have problems in that it is difficult to reduce their cost, and they are inconveniently heavy, and that they are likely to be corroded by supplied gases and cooling water since they contact such gases and water at inside surfaces of manifold holes of the metal end plates.

Abstract: This invention provides a solid polymer ion exchange membrane/electrode assembly, or an electrode/solid polymer ion exchange membrane/electrode assembly, for an electrochemical cell, which consists of planar layers of materials intimately joined together to form a unitary structure. The layers are joined together by solid polymer ion exchange resin present in at least one of each pair of adjacent layers. The unitary assembly can be used in an electrochemical cell such as a battery, electrolytic reactor, or fuel cell.

Abstract: A composite separator plate for use in a fuel cell stack and method of manufacture is provided. The composite separator plate includes a plurality of elongated support members oriented generally parallel to each other and a polymeric body portion formed around the support members. The body portion includes a first surface with a plurality of flow channels and a second surface opposite the first surface. A plurality of electrically conductive fibers are disposed within the polymeric body portion, each fiber extending continuously from the first surface of the polymeric body portion to the second surface of the polymeric body portion in a through plane configuration.

Abstract: A fuel cell unit with a fuel cell stack exhibits improved reaction gas utilization by defining variable mass transfer coefficients within the stack. The reaction gas utilization is optimized by matching and shaping the process gas stream distribution channels, such that the laminar flow in the smooth channels is turned into a turbulent flow and thus an increase in the mass transfer coefficient &bgr; in the back end of the stack occurs. According to a preferred embodiment, pole plates, tripping edges and deflectors are provided in the distribution channels. These measures allow the main direction of flow may be diverted to the active cell surfaces.

Abstract: A fuel cell has an anode and a cathode with anode enzyme disposed on the anode and cathode enzyme is disposed on the cathode. The anode is configured and arranged to electrooxidize an anode reductant in the presence of the anode enzyme. Likewise, the cathode is configured and arranged to electroreduce a cathode oxidant in the presence of the cathode enzyme. In addition, anode redox hydrogel may be disposed on the anode to transduce a current between the anode and the anode enzyme and cathode redox hydrogel may be disposed on the cathode to transduce a current between the cathode and the cathode enzyme.

Abstract: An alkaline storage battery including a group of spiral electrodes composed of positive and negative electrode plates spirally wound with a separator interposed therebetween and contained in a metallic cell casing used as an external terminal wherein the group of spiral electrodes is formed at its central portion with a space defined by a winding core during the winding process of the electrode plates and is provided with a first current-collector welded to an upper end of one of the electrode plates and a second current-collector welded to a lower end of the other electrode plate, wherein the second current-collector is welded to an internal surface of the bottom of the cell casing without being welded to an end portion of the other plate located at the outermost periphery of the group of spiral electrodes, and wherein the other electrode plate at the outermost periphery of the group of spiral electrodes is pressed into contact with an internal peripheral wall of the cell casing.

Abstract: An improved battery pack is provided for powering a hand-held portable electronic device such as a wireless telephone, hand-held personal computer, or personal digital assistant. The battery pack includes a generally rectangular battery cell where the battery cell has an upper surface and a lower surface, a length, a width and a thickness suitable for insertion into a hand-held portable device. The battery pack includes a battery cell casing for enclosing an outer perimeter of the battery cell, and the casing has a width equal to the thickness of the battery cell. A first locking latch of a pair of locking latches is defined along a first side of the battery cell casing and a second locking latch of the pair of locking latches is defined along a second side of the battery cell opposite the first locking latch.

Abstract: An electronic device includes a battery lid (9) which is openably/closeably formed at an opening of a battery housing chamber where a battery (6) is to be loaded removably and which has an engaging portion, at its position where the battery lid closes the opening, for keeping the opening closed, and an electrode plate (8) formed of a conductive member held by the battery lid (9) so as to be in contact with an electrode of the battery (6) when the battery lid (9) is in the closed state, wherein the electrode plate (8) has a contact portion (8a) extending integrally from its base which is held by the battery lid (9) so as to come into contact with the electrode of the battery (9), and is made of an elastic body that resists a pressing force applied by the electrode of the battery (6) when the battery lid (9) is closed with the battery (6) being housed in the battery housing chamber.

Abstract: The present invention relates to an organic dye-sensitized semiconductor device and to a solar cell using it and, particularly, to a photoelectric conversion device using semiconductor fine particles sensitized with a dye having an acrylic acid part and a solar cell using it. According to the present invention, a low-cost photoelectric conversion device having favorable conversion efficiency and a solar cell can be obtained.

Abstract: The present application discloses a lithium-ion battery using heat-activatable microporous membrane which comprises a hot-melt adhesive, an engineering plastics, a tackifier and a filler. It also discloses methods of preparing such microporous membrane and the lithium-ion batteries. The battery built with the use of the microporous membrane of the present invention shows high rate capability, long cycle life, and low as well as stable impedance during charge-discharge cycling. The microporous membrane of the present invention also shows thermal shutdown behavior.

Abstract: A rechargeable, thin film lithium battery cell (10) is provided having a supporting substrate (11), a cathode current collector (12), a cathode (13), a solid state electrolyte (14), an anode (15) and an anode current collector (17).

Abstract: Methods and systems for constructing a battery, the battery including at least two energy storage sections connected in parallel to a common module power bus, the energy storage sections including at least one battery cell and at least one section disconnect device capable of disconnecting the at least two energy sections from the module power bus, and, a section protection device to control the section disconnect device based on data from the energy storage sections. In an embodiment, the battery can include at least two battery modules connected in series using an interlock signal, where the battery modules include a module protection device having an interlock signal controller and fault logic for controlling the interlock signal controller, such that the modules can control the interlock signal and hence a disconnect device that receives the interlock signal and is connected between the modules and a load and/or charger.

Abstract: An electrochemical cell is presented having a gasket that is sealed against the container to prevent electrolyte leakage during normal operation. When the internal pressure of the cell reaches a predetermined threshold, the seal is removed, thereby permitting electrolyte to escape through a vent.

Abstract: Vibration-resistant accumulator and method of its manufacture The present invention relates to a vibration-resistant accumulator with a housing (20), which comprises one or more cell boxes (16) each with a plate block (15) with positive and negative plate groups (14a, 14b), with the individual plates (1a, 1b) in a plate block (15) separated from one another by separators (6), the plates (1a, 1b) of each plate group (14a, 14b) having lugs (2a, 2b) and being connected together electrically by cell connectors (3a, 3b).

Abstract: To improve upon an accumulator (1) in a bipolar stack configuration comprising a number of sub-cells (9) arranged in layers within a housing (2) and separated by conductive partitions (8), wherein each sub-cell (9) has a positive (10) and a negative (11) electrode and a separator (12) between the electrodes (10, 11), as well as electrolytes in contact with the electrodes, such that the stack comprised of the sub-cells (9) can be fastened easily and safely via mechanical means, it is suggested that the stack, comprised of several sub-cells layered on top of one another be held in place via a force that will keep the individual elements (8, 10, 11, 12) of the stack in contact with one another with only a mechanical tie rod (14).

Abstract: The present invention provides an electrochemically active material comprising a hydridable alloy whose surface is covered in a protective layer constituted mainly by a nickel hydroxide. The layer is preferably constituted by at least 80% by weight of nickel hydroxide and includes up to 20% by weight of at least one other metal which may be taken from Mn, Al, Co, Cr, Fe, and Cu. Also preferably, the layer represents 1% to 4% by weight of the hydridable alloy.

Abstract: The invention basically comprises the addition of a small amount of nanometer sized carbon tubes or fibres grown by high temperature vapour deposition to a meso-phase graphite mixture used for a negative electrode (anode) for a lithium battery. These are referred to herein as “carbon nano-fibres”. According to one embodiment of the present invention, in an anode for a lithium battery having a conductive substrate coated with a pressed compact of spherical graphite and an ion-conducting polymeric binder, an amount of from 1.5 to 15% by weight of carbon nano-fibres is added. The carbon nano-fibres may have an average diameter of around 0.2 mm (200×10−9 m) a length of from 10 to 20 mm and an inner core diameter of from 65-70 nm. The spherical graphite may be mesophase graphite and more preferably, the carbon nano-fibres are included in amount of from 2 to 9% by weight.

Abstract: The present invention provides a nonaqueous electrolyte secondary cell using, as a cell casing, a film-like casing, in which pressure exerted by the structure of the casing is low, and a gel electrolyte including a polymer, a nonaqueous solvent, and an electrolyte salt. The cell inhibits an internal short-circuit caused by heat shrinkage of a separator and improves safety of the cell, by, for example, making the construction one in which the heat shrinkage rate in the width direction of the separator when heated to 130° C. is controlled to 50% or less and the weight percentage of the polymer in relation to the total weight of a component of the nonaqueous solvent with a boiling point of over 130° C.

Abstract: A polymer electrolyte composition for improving overcharge safety and a lithium battery using the same are provided. The polymer electrolyte composition includes acrylate, epoxy or isocyanate at both of its terminals, and includes a compound containing an aromatic group such as thiophene, biphenyl or furan in an amount of 0.1% to 20% by weight based on the amount of the overall organic electrolytic solution. The polymer electrolyte composition further includes at least one of polyethylene glycol diacrylate (PEGDA), polyethylene glycol dimethacrylate (PEGDMA), and a mixture thereof. A lithium polymer battery using the polymer electrolyte composition can be suppressed from danger of ignition or explosion when the battery is overcharged due to some uncontrolled conditions, such as failure of a charger. Moreover, an additional cutoff device is not necessary, while still exhibiting good life cycle characteristics of the battery.

Abstract: An object of the present invention is to provide an electrolyte for an electrolytic capacitor, which is advantageous not only in that both electric conductivity and withstand voltage property are high, but also in that thermal stability is excellent, and an electrolytic capacitor using the electrolyte. Specifically, the present invention provides an electrolyte for an electrolytic capacitor, comprising a solvent, at least one quaternary amidinium salt selected from the group consisting of a quaternary amidinium salt of a hydroxy-substituted aromatic monocarboxylic acid and a quaternary amidinium salt of phthalic acid, and metal oxide particles, and an electrolytic capacitor using the electrolyte.

Abstract: A non-aqueous electrolyte battery of the present invention includes a non-aqueous electrolyte containing a lithium salt, a cyclic sultone derivative, and an acid anhydride, wherein the non-aqueous electrolyte contains the cyclic sultone derivative in an amount of 0.3 to 3% by mass and the non-aqueous electrolyte contains the acid anhydride in an amount of 0.3 to 3% by mass. Furthermore, the non-aqueous electrolyte battery includes at least one selected from a cyclic sultone derivative and an acid anhydride, and an electrolyte salt. The electrolyte salt contains lithium salt A and lithium salt B. The lithium salt A is at least one selected from LiBF4, LiPF6, LiAsF6, and LiSbF6, and the lithium salt B is a lithium salt other than the lithium salt A. The electrolyte contains the lithium salt A in an amount of 2 mol % or more.

Abstract: Disclosed are non-aqueous electrolyte compositions of the present invention that comprise non-aqueous solvents and monomers such as aniline, phenanthrene, ethylenedioxythiophene, benzothiophene or derivatives thereof. The monomers are contained in the electrolytes of the present invention in the amounts of less than about 5.0 weight percent of the non-aqueous solvent. In the present invention, cyclic carbonates, linear carbonates or mixtures thereof can be used as the non-aqueous solvents. The electrolyte compositions of the present invention improve the safety characteristics of the cell by preventing the flow of large currents resulting from overcharge or feed-through, and also improve cell life characteristic by helping the reversible transfer of lithium ions.