Sharp Kabushiki Kaisha Corporation

Toyota Jidosha Kabushiki Kaisha

Koichi Toriyama

Kotaro Fukushima

Rikiya Matsuo

Hiroya Umeyama

Mikio Kakui

Tatsuya Hashimoto

Hiroshi Sugimura

Hisayuki Utsumi

Yusuke Fukumoto

Masanori Matsumoto

Masayuki Sakamoto

Satoshi Katayama

Tomoko Kanazawa

Tatsuhiro Morita

Sayaka Fujita

Takahiro Kurauchi

Chikako Iibachi

Harunari Shimamura

Masaki Hashimoto

Keiichi Takahashi

Takatsugu Obata

Masaharu Miyahisa

Katsuru Matsumoto

Yuji Yokoyama

Takayuki Yamanaka

Naoyuki Wada

Yoshihide Shimoda

Akihiko Kawahara

Naoto Onodera

Toshihiko Inoue

Hiroaki Imanishi

Akiko Kihara

Hajime Konishi

Yukinobu Miyamura

Mami Adachi

Yoichi Takesawa

Tomomi Nakamura

Takuya Arimura

Akiko Uchino

Kimiko Kumazawa

Kimiko Nishi

An electrode for a nonaqueous electrolyte secondary battery includes an electrode mixture layer. The electrode mixture layer contains a hollow active material particle and a needle-shaped filler having a through-hole that extends through the needle-shaped filler in a longitudinal direction. The needle-shaped filler is arranged on surfaces of the hollow active material particle.

Electrode for nonaqueous electrolyte secondary battery and method of manufacturing the same

A method for manufacturing an electrode sheet includes the steps of forming a granulated material containing a plurality of granules; forming an electrode mixture layer by molding the granulated material into a sheet; and placing the electrode mixture layer on electrode current collector foil. The step of forming the granulated material includes the steps of forming a granule containing at least an electrode active material and a binder; and adhering a polyglycerol fatty acid ester to a surface of the granule.

Method for manufacturing electrode sheet and electrode sheet

A separator includes a base material layer and a heat resistance layer. The heat resistance layer includes, in a direction of thickness of the heat resistance layer, a central portion and a first end portion and a second end portion between which the central portion lies. The first end portion includes an interface with an electrode. The second end portion includes an interface with the base material layer. A composition ratio of a resin binder to a total mass of inorganic particles and the resin binder in the first end portion and the second end portion is not lower than 8 mass % and not higher than 30 mass %. A composition ratio of the resin binder to a total mass of the inorganic particles and the resin binder in the central portion is not lower than 2 mass % and not higher than 7 mass %.

Non-aqueous electrolyte secondary battery

An inversion plate short-circuits the positive electrode external terminal and the negative electrode external terminal to each other by changing its position. A temperature sensitive member is disposed adjacent to the inversion plate on the side opposite to a direction in which the inversion plate changes its position. The volume of temperature sensitive member increases due to a rise in temperature. The temperature sensitive member contains aluminum phosphite and calcium carbonate.

Secondary battery and battery pack

A method for producing a battery resulting from the joining with a plurality of weld nuggets therebetween of a foil layered part, at which foil exposed portions exposing an aluminum foil overlap, and a positive terminal member made of aluminum, includes: a formation step for forming at the foil layered part a foil welded part at which are formed, by welding aluminum foils together by means of ultrasonic welding, a first high-position part at at least a section of a surface to be joined, and a plurality of first low-position parts distributed at scattered points within the first high-position part; and a resistance-welding step for contacting the first high-position part to the positive terminal member, generating weld nuggets at the first low-position part by flowing an electric current, and resistance-welding the foil welded part and the positive terminal member with the weld nuggets therebetween.

Method for producing battery and battery

A nonaqueous electrolyte secondary battery includes: a positive electrode collector core material; and a sheet body including a plurality of granulation bodies. The sheet body is disposed on the positive electrode collector core material. The granulation bodies each contain a first positive electrode active material particle, a second positive electrode active material particle, and expanded graphite, the first positive electrode active material particle including lithium-nickel composite oxide, the second positive electrode active material particle including lithium iron phosphate.

Nonaqueous electrolyte secondary battery and method of producing same

The present invention provides an electrophotographic photoreceptor comprising a multilayered photosensitive layer or a monolayer photosensitive layer,

Electrophotographic photoreceptor and image forming apparatus provided with the same

An electrophotographic photoreceptor having a photosensitive layer formed on a conductive substrate, wherein the photosensitive layer contains oxygen-containing fluorinated fine particles in a surface layer thereof, and the oxygen-containing fluorinated fine particles have an oxygen composition ratio of 0.9 to 3.0% by atom based on the whole composition of the fine particles according to an X-ray fluorescence composition analysis.

Electrophotographic photoreceptor and image forming apparatus including the same

An electrophotographic photoreceptor, comprising a conductive support, an undercoat layer and a photosensitive layer formed in sequence, the electrophotographic photoreceptor characterized in that a coating solution for undercoat layer formation for producing the electrophotographic photoreceptor contains at least a binder resin and metal oxide particles surface-treated with anhydrous silicon dioxide.

Electrophotographic photoreceptor and image formation device comprising same

An electrophotographic photoconductor of the invention comprising: an conductive support; a light-sensitive layer formed on the conductive support and containing a charge generating material and a charge transport material; and a surface protective layer formed on the light-sensitive layer and made of a resin composition, wherein the resin composition constituting the surface protective layer contains an amine compound represented by the following formula (1):  wherein R1 and R2 are, the same or different, each an alkyl group or an allyl group which may have a substituent or a heterocyclic residue to be formed through or not through a nitrogen atom or an oxygen atom together with the nitrogen atom to which R1 and R2 are bonded, R3 and R4 are, the same or different, each an alkyl group having a substituent and n denotes 1 or 2, provided that when n is 1, X is a hydrogen atom, a halogen atom, or an alkyl group, a hydroxyl group or a mercapto group which may have a substituent, or a ring optionally containing an oxygen atom and a nitrogen atom between carbon atoms and when n is 2, X is an oxygen atom or a sulfur atom.

Electrophotographic photoconductor, method of producing the same and image forming apparatus

An electrophotographic photoreceptor comprising: a conductive support, a photosensitive layer and an intermediate layer interposed between the conductive support and the photosensitive layer, wherein the intermediate layer contains metal oxide microparticles surface-treated with silicon dioxide anhydride and a binder resin; and the binder resin contains a polyamide resin containing a piperazine-based compound.

The present invention therefore provides an image forming apparatus, comprising: a photoconductor; a charge means for charging the photoconductor; an exposure means for irradiating a surface of the photoconductor with light to form an electrostatic latent image; a development means for developing the electrostatic latent image formed; a transfer means for transferring the image developed onto a paper sheet; and a discharge means for irradiating the surface of the photoconductor with light to eliminate charges, wherein the photoconductor contains a titanylphthalocyanine having absorption bands in a wavelength region of 380 nm to 420 nm and a wavelength region of 600 nm to 850 nm as a charge generation material, the exposure means irradiates the surface of the photoconductor with light having a wavelength of 380 nm to 420 nm to form the electrostatic latent image, and the discharge means irradiates the surface of the photoconductor with light having a wavelength of 600 nm to 850 nm to eliminate the charges.

Image forming apparatus having a photoconductor containing titanylphthalocyanine

The present invention provides a single-layer electrophotographic photoreceptor provided with a single-layer photosensitive layer that adapts to an exposing source emitting a laser beam with wavelengths of from 400 nm to 450 nm inclusive and is laminated on a conductive substrate, the single-layer photosensitive layer comprising: an enamine-type compound that functions as both a charge generation material and a charge transport material and is represented by the following general formula (1); and a perylene-type compound that functions as both an electron-transport material and a sensitizer and is represented by the following general formula (2): 

Single-layer electrophotographic photoreceptor and image forming apparatus provided with the same

An image forming apparatus having excellent cleaning property for an electrophotographic photoreceptor and capable of forming a high-quality, high-resolution image. A surface free energy (&#x3b3;) of a photoreceptor (), which is provided in the image forming apparatus (), is set to 20 to 35 mN/m. A volume average diameter of toner particles included in a developer stored in a developing unit () to develop an electrostatic latent image and form a toner image is set to 4-7 &#x3bc;m When &#x3b3; of the photoreceptor () is set to within a small range as the particle size of toner is reduced, even small-particle-size toner having increased specific surface area and largely affected by a inter-molecular force is limited in adhesion to the surface of the photoreceptor () to provide a good cleaning property and a high-quality image can be formed.

Image forming apparatus equipped with an electrographic photoreceptor having a surface with low surface free energy

An electrophotographic photoreceptor of excellent durability having high sensitivity and light responsiveness, not suffering from lowering of the electric characteristics by exposure to light, change of circumstance, or repetitive use, and excellent in the cleaning property and not suffering from lowering of the picture quality of formed images for a long times, in which an enamine compound represented by the general formula (1), for example, an enamine compound represented by the following structural formula (1-1) is incorporated in a photosensitive layer, and the surface energy (&#x3b3;) on the surface of the photosensitive layeris set to 20.0 mN/m or more and 35.0 mN/m or less, the electrophotographic photoreceptor: 

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Osaka, Japan

Koichi Toriyama