Abstract: Provided are a cathode active material with excellent high-temperature life that suppresses the elution of metal elements from the cathode active metal and the generation of different phase therein and exhibits a high potential, as well as a high-voltage lithium ion battery that achieves excellent high-temperature life by applying such a cathode active material. The cathode active material for a lithium ion battery is represented by a compositional formula LiaNixMnyMzO4-?F? (where M is one or more elements selected from the group consisting of Ti, Ge, Mg, Co, Fe, Cu, and Al, and a, x, y, z, and ? satisfy the following formulas: 1?a<1.08, 0.4?x<0.5, 0<z?0.3, a+x+y+z=3, and 0<??0.2).

Abstract: In a Li ion conductivity oxide solid electrolyte containing lithium, lanthanum, and zirconium, a part of oxygen is substituted by an element M (M=N, Cl, S, Se, or Te) having smaller electronegativity than oxygen.

Abstract: Provided are a cathode active material with excellent high-temperature life that suppresses the elution of metal elements from the cathode active metal and the generation of different phase therein and exhibits a high potential, as well as a high-voltage lithium ion battery that achieves excellent high-temperature life by applying such a cathode active material. The cathode active material for a lithium ion battery is represented by a compositional formula LiaNixMnyMzO4-?F? (where M is one or more elements selected from the group consisting of Ti, Ge, Mg, Co, Fe, Cu, and Al, and a, x, y, z, and ? satisfy the following formulas: 1?a<1.08, 0.4?x<0.5, 0<z?0.3, a+x+y+z=3, and 0<??0.2).

Abstract: A protector with a sensor is installed on a sliding door for detecting an alien substance by touch between two core wires in a hollow part. In a terminal part of the protector with the sensor, the core wires drawn out are connected with leads joined with a control unit, an insert fills up a space and the terminal part is die molded. Materials of the insert and the die molding material have compatibility with each other.

Abstract: In a Li ion conductivity oxide solid electrolyte containing lithium, lanthanum, and zirconium, a part of oxygen is substituted by an element M (M=N, Cl, S, Se, or Te) having smaller electronegativity than oxygen.

Abstract: A protector with a sensor is installed on a sliding door for detecting an alien substance by touch between two core wires in a hollow part. In a terminal part of the protector with the sensor, the core wires drawn out are connected with leads joined with a control unit, an insert fills up a space and the terminal part is die molded. Materials of the insert and the die molding material have compatibility with each other.

Abstract: A lithium ion battery includes: a cathode that includes a cathode mix, which contains a cathode active material stably exhibiting a potential of 4.5 V or greater on the metallic lithium basis, a conducting material, and a binder, on a cathode collector; an anode; and a nonaqueous electrolyte that is obtained by dissolving a lithium salt in a nonaqueous solvent, in which a lithium fluoride is provided on at least a surface layer of the cathode collector.

Abstract: The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

Abstract: A high-voltage lithium ion battery of the present invention has a cathode generating a potential of 4.5 V or higher on the metal lithium basis, an anode, and a nonaqueous electrolyte having a lithium salt dissolved in a nonaqueous solvent. A cathode coating layer is on at least a part of the surface of a cathode material mix and includes boron whose amount is equal to or greater than 0.0001% and equal to or less than 0.005% by weight of the cathode material mix.

Abstract: The present invention provides a lithium ion battery which is protected from deterioration in performance due to oxidation decomposition of the nonaqueous electrolyte solution and excels in cycle life. The lithium ion battery has a cathode including a cathode active material exhibiting a potential of 4.5 V or more with reference to lithium metal; an anode; and a nonaqueous electrolyte solution containing a nonaqueous solvent and at least one lithium salt dissolved in the nonaqueous solvent. The nonaqueous solvent mainly contains a cyclic carbonate and a chain carbonate. The nonaqueous electrolyte solution contains boron ethoxide.

Abstract: The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

Abstract: The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

Abstract: The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

Abstract: A long-life electric energy storage device with superior high-input/output load resistance includes a cathode including a region having a faradic reaction mechanism and a region having a non-faradic reaction mechanism, and an anode including a region having a faradic reaction mechanism. When carbon material contained in the anode is represented by a diffraction line according to X-ray diffraction method, mainly the (001) plane is substantially detected.

Abstract: An object of the present invention is to provide an energy device excellent in input/output characteristics at a low temperature and various applications using the same. The present invention consists in an energy device comprising a positive electrode having a region where a faradic reaction occurs, and a negative electrode having a region where a faradic reaction occurs, wherein at least one of the positive and negative electrodes has a region where a faradic reaction having a reaction rate higher than that of the faradic reaction occurs or a region where a non-faradic reaction occurs.

Abstract: An object of the present invention is to provide an energy storage device excellent in input/output characteristics at low temperatures, a module thereof and a vehicle using the module. The present invention provides an energy storage device comprising: a positive electrode having a region where a reaction accompanied by charge exchange occurs; a negative electrode having a region where a reaction accompanied by charge exchange occurs; a separator electrically separating the positive and negative electrodes and allowing mobile ions to pass therethrough; an electrolytic solution having an aprotic nonaqueous solvent comprising the mobile ions; and a region in at least one of the positive and negative electrodes where a charge adsorbing/desorbing reaction occurs.

Abstract: An energy storage device of excellent input/output characteristics and having high density of stored energy, the device having a cathode comprising a material conducting faradic reaction and a material conducting non-faradic reaction, and an anode comprising a material conducting faradic reaction, in which the faradic reaction is desorption/intercalation reaction of lithium ions, higher input/output characteristics being obtainable by providing a mix layer comprising a material conducting faradic reaction on a cathode collector and providing a material layer conducting non-faradic reaction further to the surface layer thereof.

Abstract: A lithium ion secondary battery having high output characteristics even at an extremely low temperature, for example, ?30° C. and high output power even in a low charged state. A graphite-based material having an R value (IRD/IRG) which is the ratio of peak intensity (IRD) at 1,300 to 1,400 cm?1 to peak intensity (IRG) at 1,580 to 1,620 cm?1 measured in its Raman spectrum of 0.3 to 0.6 and an H value (IH(110)/IH(004)) which is the ratio of the peak height intensity (IH(110)) of the face (110) to the peak height intensity (IH(004)) of the face (004) in its X-ray diffraction of 0.5 to 2.0 or a C value which is the ratio of the peak integral intensity (IC(110)) of the face (110) to the peak integral intensity (IC(004)) of the face (004) of 0.4 to 1.50 is used as a negative-electrode active material.

Abstract: A lithium ion secondary battery having high energy density and of excellent safety, and a cathode active material used therefor are provided. The cathode active material is a Li-containing composite oxide comprising a plurality of transition metal elements selected from Cr, Mn, Fe, Co, Ni and Cu, in which the composition of the transition metal elements is in a range not inclined to particular transition metal elements. The composite oxide having a crystal structure in which the range of an angle &bgr; formed between a axis and b axis of the crystallographic structure is controlled as: 90° <&bgr;≦110°. The composite oxide is used as the cathode active material of a lithium ion secondary battery.

Abstract: A lithium secondary battery comprising a positive electrode, a negative electrode containing a lithium ion-storable/dischargeable negative electrode-active material and a lithium ion conductive, non-aqueous electrolytic solution or polymer electrolyte, characterized in that the negative electrode-active material comprises particles of carbonaceous material and particles of metal and metal oxide capable of enhancing lithium ion interstitial diffusibility/releasability as embedded in the particles of carbonaceous material, particles of carbonaceous materials and lithium ion interstitially diffusible/releasable particles being prepared by carbonization of a mixture thereof with MA or carbon precursor, has a high capacity and a long cycle life, and can be used in various electric appliances.