Panasonic Intellectual Property Management Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Panasonic Energy Co., Ltd.

Takayuki Ishikawa

Kensuke Nakura

Ryuichi Natsui

Tetsuro Hanahara

Koji Sakai

Yoshiharu Abe

Issei Ikeuchi

Yasuchika Kudo

Masato Ishino

Atsushi Omote

Kaoru Nagata

Masaki Nakase

Kouichi Santo

Katsuichi Minami

Shinji Okuma

Takehiko Konja

Shigetaka Douzono

Isao Nozoe

Koichi Santo

Masatoshi Takenaka

Takanori Omae

Masanori Maekawa

Toshio Ohie

In a non-aqueous electrolyte secondary battery that is one example of the embodiment, a positive electrode mix layer comprises a positive electrode active material comprising a lithium transition metal composite oxide represented by general formula: LiNiCoAlO(0.9<a≤1.2, 0.88≤b≤0.96, 0.04≤c≤0.12, 1.9≤d≤2.1) and lithium carbonate in an amount of 0.1 to 1.0% by mass relative to the mass of the positive electrode active material. The lithium transition metal composite oxide has the form of secondary particles formed by the aggregation of primary particles, wherein tungsten is present, on the surface of each of the primary particles, in an amount of 0.05 to 0.20 mol % relative to the total molar amount of non-Li-metal elements contained in the positive electrode active material.

Non-aqueous electrolyte secondary battery

A positive electrode active material contains a lithium composite oxide containing fluorine and oxygen. The lithium composite oxide satisfies 1&#x3c;Zs/Za&#x3c;8, where Zs represents a first ratio of a molar quantity of fluorine to a total molar quantity of fluorine and oxygen in XPS of the lithium composite oxide, and Za represents a second ratio of a molar quantity of fluorine to a total molar quantity of fluorine and oxygen in an average composition of the lithium composite oxide. An XRD pattern of the lithium composite oxide includes a first maximum peak within a first range of 18&#xb0; to 20&#xb0; at a diffraction angle 2&#x3b8; and a second maximum peak within a second range of 43&#xb0; to 46&#xb0; at the diffraction angle 2&#x3b8;. The ratio I/Iof a first integrated intensity Iof the first maximum peak to a second integrated intensity Iof the second maximum peak satisfies 0.05&#x2264;I/I&#x2264;0.90.

Positive electrode active material containing lithium composite oxide and battery including the same

A positive electrode active material contains a lithium composite oxide and a covering material. The lithium composite oxide has a crystal structure that belongs to space group Fd-3m. The ration I/Iof a first integrated intensity Iof a first peak corresponding to a (111) plane to a second integrated intensity Iof a second peak corresponding to a (400) plane in an XRD pattern of the lithium composite oxide satisfies 0.05&#x2264;I/I&#x2264;0.90. The covering material has an electron conductivity of 10S/m or less.

Positive electrode active material containing lithium composite oxide and covering material, and battery including positive electrode active material

A positive electrode active material includes a lithium composite oxide containing: at least one element selected from the group consisting of fluorine, chlorine, nitrogen, sulfur, bromine, and iodine; and a covering material that covers a surface of the lithium composite oxide. The lithium composite oxide has a crystal structure that belongs to a space group R-3 m. The ratio I/Iof a first integrated intensity Iof a first peak corresponding to a (003) plane to a second integrated intensity Iof a second peak corresponding to a (104) plane in an XRD pattern of the lithium composite oxide satisfies 0.62&#x2264;I/I&#x2264;0.90. The covering material has an electron conductivity of 10S/m or less.

Positive electrode active material containing lithium composite oxide and covering material and battery

A positive electrode active material contains a lithium composite oxyfluoride and an organosilicon compound binding to the lithium composite oxyfluoride. The organosilicon compound has insulation property.

Positive electrode active material containing lithium composite oxyfluoride and organosilicon compound, and battery including positive electrode containing the positive electrode active material

A positive electrode active material includes a lithium composite oxide and a covering material that covers a surface of the lithium composite oxide. The covering material has an electron conductivity of 10S/m or less. The lithium composite oxide is a multiphase mixture including a first phase having a first crystal structure that belongs to a space group Fm-3m and a second phase having a second crystal structure that belongs to a space group other than a space group Fm-3m. The ratio I/Iof a first integrated intensity Iof a first maximum peak present at a first diffraction angle 2&#x3b8; of 18&#xb0; or more and 20&#xb0; or less to a second integrated intensity Iof a second maximum peak present at a second diffraction angle 2&#x3b8; of 43&#xb0; or more and 46&#xb0; or less in an XRD pattern of the lithium composite oxide satisfies 0.05&#x2264;I/I&#x2264;0.90.

A positive electrode active material contains a lithium composite oxide and a covering material. The lithium composite oxide contains at least one element selected from the group consisting of fluorine, chlorine, nitrogen, and sulfur. The lithium composite oxide has a crystal structure that belongs to space group C2/m. The ratio I/Iof a first integrated intensity Iof a first peak corresponding to a (003) plane to a second integrated intensity Iof a second peak corresponding to a (104) plane in an XRD pattern of the lithium composite oxide satisfies 0.05&#x2264;I/I&#x2264;0.90. The covering material has an electron conductivity of 10S/m or less.

The reflective display device includes: a cell having: a display surface; a rear surface; side surfaces; and an interior space; a partition in a shape having radial extension dividing the rear surface into N regions; N rear electrodes respectively provided for the N regions on the rear surface; first side electrodes disposed on a display surface side and second side electrodes disposed on a rear surface side; N display-side electrodes separated by a separator zone in a shape having radial extension; a dielectric layer covering the N rear electrodes; polar liquid portions of N colors respectively disposed in N portions in the interior space; and polarity fluid placed within the interior space. A center of the partition matches with a center of the separator zone. A direction of the radial extension of the partition is different from that of the separator zone.

Reflective display device

A push switch according to the present invention includes a case with a substantially-box shape, a cover, a manipulation member, a movable contact point, and a spring with a substantially-U-shape. The case with the substantially-box shape is provided with a common contact point and a fixed contact point in its inner bottom surface. The movable contact point is swayably placed on the common contact point and is extended in a leftward and rightward direction. The spring with the substantially-U-shape has one end hitched on a lower surface of the cover, the other end slidably placed on an upper surface of the movable contact point, and a center portion being in elastic contact with a lower surface of the manipulation member. This enables to make the entire push switch have a reduced height and to certainly connect and separate relatively-larger electric currents of about several amperes therethrough.

Push switch

A sliding member held by a movable case is interposed between the movable case and a stopper plate. During opening and closing operations, the movable case does not wear because the stopper plate and the sliding member slidably contact.

Opening and closing mechanism

A folding device is constructed with a holding member mounted rotatably on an end portion of a movable case, which is formed on its periphery with a convex wall portion or a concave groove portion, and which houses a fixed member and a movable member. A holding member provided in the folding device is rotated to fix the movable case in a movable housing of, for example, an electronic apparatus after the movable case is inserted in the movable housing.

Folding device and method of mounting the same

A folding device can be used for various kinds of electronic apparatuses and is capable of easy processing of parts and lowering of cost. Inner casesandare mounted in outer case, which houses fixed memberand movable member. Groove portionsA andA for holding movable memberfor movement in the axial direction are provided in inner casesandto construct the folding device.

Folding device

An EL element includes a) an outer connecting part, b) a substrate comprising a light-transmitting and insulating sheet, c) a light-transmitting electrode layer formed on the substrate wholly or except the outer connecting part in a specific pattern, d) a light emitting layer formed on the light-transmitting electrode layer in a specific pattern, e) a dielectric layer formed on the light emitting layer in a specific pattern, f) a backside electrode layer formed on the dielectric layer in a specific pattern, g) an insulating layer formed on the backside electrode layer and the light-transmitting electrode layer except the outer connecting part, and h) a shielding layer formed on the insulating layer in a specific pattern. The light-transmitting electrode layer or the backside electrode layer is coupled with the shielding layer. The EL element is thus arranged so that it can have its outer connecting part of a reduced size, and so that coupling with the electronic device becomes easy.

Electroluminescent element comprising electrically coupled shield layer

A lighted switch sheet of the invention has a structure, which comprises a sheet having a plurality of movable contacts of a hemispherical shape disposed in a plurality of fixing holes, and an EL element affixed on an upper surface of the sheet. The EL element has an optically transmitting substrate provided with an optically transmitting electrode layer, light-emitting layer and back electrode layer formed in an overlapping manner on an underside surface thereof, and through holes of a size slightly smaller than an outer diameter of the movable contacts formed above their respective movable contacts. The invention provides for the lighted switch sheet with a small number of structural components and a simple structure at low cost.

Lighted switch sheet and lighted switch unit using the same

An illumination type push button switch includes EL element mounted to a bottom surface of board below switch contact . Board has through-holes A and B near the contact. EL element , which is capable of lighting plural push buttons simultaneously by surface-light emission, emits light via through-holes A and B of board to light push buttons and . The illumination type push button switch thus lighting the push buttons clearly includes a small number of components and is inexpensive.

Growing community of inventors

Osaka, Japan

Takayuki Ishikawa