Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Sanyo Electric Co., Ltd.

Panasonic Holdings Corporation

Hideo Kusada

Noboru Yamada

Akihiro Sakai

Yuka Yamada

Tsutomu Kanno

Hiromasa Tamaki

Kohei Takahashi

Rie Kojima

Takashi Nishihara

Akio Tsuchino

Ken'ichi Nagata

Kenichi Nishiuchi

Hideki Kitaura

Tomiharu Hosaka

Shinya Abe

Naoyasu Miyagawa

Yoshitaka Sakaue

Haruhiko Habuta

Mayumi Uno

Takafumi Tsukagoshi

Shinsuke Yoshida

Toshiyuki Matunaga

This nonaqueous electrolyte secondary battery is provided with an electrode body that is obtained by alternately laminating a plurality of positive electrodes and a plurality of negative electrodes, with separators being interposed therebetween. Each separator is configured of a porous resin substrate and a porous heat-resistant layer that is formed on one surface of the resin substrate and has a larger surface roughness than the resin substrate. The electrode body comprises: bonding particles that bond a negative electrode and a heat-resistant layer with each other; and bonding particles that bond a positive electrode and a resin substrate with each other. The mass of the bonding particles per unit area in a first interface between the negative electrode and the heat-resistant layer is larger than the mass of the bonding particles per unit area in a second interface between the positive electrode and the resin substrate.

Nonaqueous electrolyte secondary battery

A thermoelectric generator system according to the present disclosure includes first and second thermoelectric generator units, each including tubular thermoelectric generators. Each of the generators has a flow path defined by its inner peripheral surface, and generates electromotive force in an axial direction thereof based on a temperature difference between its inner and outer peripheral surfaces. Each unit further includes: a container housing the generators inside; and electrically conductive members providing electrical interconnection for the generators. The container has fluid inlet and outlet ports through which a fluid flows inside, and openings into which the generators are inserted. A buffer vessel is arranged between the first and second units, and has a first opening communicating with the flow paths of the generators in the first unit and a second opening communicating with the flow paths of the generators in the second unit.

Thermoelectric generator system

An exemplary thermoelectric generator unit according to the present disclosure includes a plurality of tubular thermoelectric generators. Each generator generates electromotive force in an axial direction based on a difference in temperature between its inner and outer peripheral surfaces. The unit further includes a container housing the generators inside and a plurality of electrically conductive members providing electrical interconnection among the generators. The container has fluid inlet and outlet ports through which a fluid flows inside the container, and a plurality of openings into which the respective generators are inserted. In one implementation, the unit includes a baffle, which is provided between the fluid inlet port and the generators and changes the flow direction of the fluid that has flowed into the container through the fluid inlet port.

Thermoelectric generator unit and thermoelectric generator system

A thermoelectric power generation system of the present disclosure includes first and second thermoelectric power generation units. Each of the thermoelectric power generation units includes a plurality of tubular thermoelectric generators. The first and second thermoelectric power generation units are electrically connected to each other such that a first impedance caused by the tubular thermoelectric generator included in the first thermoelectric power generation unit is matched with a second impedance caused by the tubular thermoelectric generator included in the second thermoelectric power generation unit.

Thermal power generation unit and thermoelectric power generation system

An n-type thermoelectric conversion material expressed in a chemical formula XX'TCuSb(0&#x2266;x&#x3c;3, 0&#x2266;y&#x3c;3.0, and x+y&#x3e;0), the X includes one or more element(s) of Zr and Hf, the X&#x2032; includes one or more element(s) of Nb and Ta, and the T includes one or more element(s) selected from Ni, Pd, and Pt, while including at least Ni, the n-type thermoelectric conversion material expressed in the chemical formula XX&#x2032;TCuSbhas symmetry of a cubic crystal belonging to a space group I-43d.

[object Object]

A thermoelectric conversion material expressed by a chemical formula XTT'Sb(0.025&#x2266;y&#x2266;0.5), wherein the X includes one or more elements selected from Zr and Hf, the T includes one or more elements selected from Ni, Pd, and Pt, while including at least Ni, and the T&#x2032; includes one or more elements selected from Co, Rh, and Ir.

Thermoelectric conversion material

A thermoelectric generation unit according to the present disclosure includes a plurality of thermoelectric generation tubes. Each tube has a flow path defined by its inner peripheral surface, and generates an electromotive force in an axial direction based on a temperature difference between its inner peripheral surface and outer peripheral surface. The thermoelectric generation unit includes a container housing the tubes inside, and a plurality of electrically conductive members providing electrical interconnection for the tubes. The container includes a shell surrounding the tubes and a pair of plates being fixed to the shell and having a plurality of openings, with channels being formed so as to house the electrically conductive members and interconnect at least two of the openings. The respective ends of the tubes are inserted in the openings of the plates. The tubes are connected electrically in series by the electrically conductive members housed in the channels.

Thermoelectric generation unit and thermoelectric generation system

A thermoelectric generator unit according to this disclosure includes a plurality of tubular thermoelectric generators, each of which generates electromotive force based on a difference in temperature between the inner and outer peripheral surfaces. The unit further includes a plurality of electrically conductive members providing electrical connection for the generators and a container housing the generators inside. The container includes a shell surrounding the generators and a pair of plates, at least one of which has a plurality of openings and channels. Each channel houses an electrically conductive member. The generators are electrically connected together in series via the electrically conductive member. At least one of the channels has an interconnection which connects at least two of the openings together and a testing hole portion. The testing hole portion runs from the interconnection through an outer edge of the at least one plate.

Thermoelectric generator unit and method of testing the thermoelectric generator unit

A thermoelectric generation unit according to the present disclosure includes a plurality of thermoelectric generation tubes. Each thermoelectric generation tube generates an electromotive force in an axial direction based on a temperature difference between its inner peripheral surface and outer peripheral surface. The thermoelectric generation unit includes a container housing the plurality of thermoelectric generation tubes inside, a plurality of electrically conductive members providing electrical interconnection for the plurality of thermoelectric generation tubes, and a plurality of electrically conductive ring members each receiving an end of a thermoelectric generation tube so as to be in contact with the outer peripheral surface of the thermoelectric generation tube. Each electrically conductive ring member electrically connects the thermoelectric generation tube to a corresponding electrically conductive member.

An exemplary thermoelectric generator disclosed herein includes: a first electrode and a second electrode opposing each other; and a stacked body having a first end face and a second end face. The stacked body is structured so that first layers made of a first material and second layers made of a second material are alternately stacked, the first material containing a metal and particles having a lower thermal conductivity than that of the metal, the particles being dispersed in the metal, and the second material having a higher Seebeck coefficient and a lower thermal conductivity than those of the first material. Planes of stacking between the first layers and the second layers are inclined with respect to a direction in which the first electrode and the second electrode oppose each other.

Thermoelectric generator and production method for thermoelectric generator

The present invention provides a tubular thermoelectric generation device, comprising: a plurality of plate-like p-type thermoelectric members each having an external periphery, a through hole, and an internal periphery formed around the through hole; a plurality of plate-like n-type thermoelectric members each having an external periphery, a through hole, and an internal periphery formed around the through hole; a plurality of external electrodes; and a plurality of internal electrodes. Each of the plurality of the external electrodes comprises an internal flange expanded in a direction from the external periphery of the p-type thermoelectric member toward the internal periphery of the p-type thermoelectric member. Each of the plurality of the internal electrodes comprises an external flange expanded in a direction from the internal periphery of the p-type thermoelectric member toward the external periphery of the p-type thermoelectric member.

Tubular thermoelectric generation device

An information recording medium including three or more information layers, wherein: at least one information layer includes a recording layer and a nucleation layer; the recording layer contains a material that is represented by formula (1) [(GeTe)(InTe)]Sb(mol %) with x satisfying 0.8&#x2266;x&#x3c;1.0 and y satisfying 95&#x2266;y&#x3c;100; the nucleation layer contains a material that is represented by formula (2) (GeTe)(BiTe)(mol %) with z satisfying 10&#x2266;z&#x2266;71; and the nucleation layer is in contact with the recording layer. This information recording medium is capable of achieving sufficient signal amplitude even in cases where a small recording mark is formed, and is also capable of stably maintaining a small recording mark.

Information recording medium and method for producing same

An optical information recording medium including three or more information layers, wherein at least one information layer provided on the light incident side is an information layer which enables information to be overwritten and includes a recording film, a transmittance adjusting film of a dielectric containing Bi, Ti and O, and an isolation film in this order from a light incident side; and the isolation film is provided between and adjacent to the transmittance adjusting film and an intermediate separation layer which separate the information layer from another information layer on the side opposite to the light incident side; and the isolation film has an optical constant at a wavelength of 405 nm such that a refractive index is 1.8 or less and an extinction coefficient is 0.05 or less. This information recording medium prevents the repeated overwriting characteristics in a sever environment from being deteriorated.

Information recording medium and method for manufacturing the same

An optical information recording medium of the present invention includes at least a recording layer () that allows information to be recorded thereon and/or reproduced therefrom by being irradiated with a laser beam, and a transmittance adjusting layer () in this order from an incident side of the laser beam (). In the optical information recording medium of the present invention, the transmittance adjusting layer () contains Bi, Ti, and O and with a composition of Bi, Ti, and O contained in the transmittance adjusting layer () being denoted as BiTiO, in atomic number ratio, x, y, and z satisfy 0.07&#x2266;x&#x2266;0.35, 0.07&#x2266;y&#x2266;0.28, 0.56&#x2266;z&#x2266;0.70, and x+y+z=1. Or the transmittance adjusting layer () contains BiOand TiO, and with a composition of BiOand TiOcontained in the transmittance adjusting layer () being denoted as (BiO)(TiO), in molar ratio, &#x3b1; and &#x3b2; satisfy 0.2&#x2266;&#x3b1;&#x2266;0.7, 0.3&#x2266;&#x3b2;&#x2266;0.8, and &#x3b1;+&#x3b2;=1.

Growing community of inventors

Osaka, Japan

Hideo Kusada