Sharp Kabushiki Kaisha Corporation

Kobata Gauge Manufacturing Co., Ltd.

Tomohisa Yoshie

Daisuke Toyoshima

Atsushi Fukui

Naoto Nishimura

Masayuki Nakano

Yuki Watanabe

Masato Sasaki

Masashi Muraoka

Satoshi Shimizu

Hirotaka Mizuhata

Toshiyuki Fujita

Shinobu Takenaka

Hironori Kambara

Yuichi Kamimura

Kei Kasahara

Motoaki Nishijima

Yoshiyuki Nakai

Akihito Yoshida

Norihiro Ochi

Koji Ohira

Shumpei Nishinaka

Masaki Kaga

Takahiro Matsuyama

Shougo Esaki

Isao Asako

Tomoharu Arai

Iwao Kobata

Takenori Onishi

Hirokazu Ichinose

Kei Ogiya

Kohtaroh Saitoh

Mutsuko Komoda

Tetsuya Ikemoto

Hironori Kanbara

Yasuyoshi Gotoh

A solar battery unit () is provided that includes: a substrate (); a solar battery () attached to a back face of the substrate (); and a communications module () attached to the substrate (). The communications module () includes an antenna () disposed so as not to overlap solar cells () in the solar battery () in a front view.

Solar battery unit and wireless transmitter including solar battery unit

Provided is a wireless power transmission apparatus capable of efficiently supplying power. The wireless power transmission apparatus includes: a power transmission coil; an inverter driving the power transmission coil; a DC/DC conversion circuit driving the inverter; and a control circuit varying and determining an output voltage instruction value to the DC/DC conversion circuit, in order to decrease power output from the DC/DC conversion circuit.

Wireless power transmission apparatus

Data transmitter with solar cell and sensor

A chair includes: a backrest having an opening or recess in a portion thereof; and a solar panel disposed on a face inside the opening or recess.

Chair with solar panel

The dye-sensitized solar cell comprises a first electrode including a porous semiconductor layer supporting a dye; and a second electrode serving as a counter electrode of the first electrode. The second electrode includes a counter electrode conductive layer containing an absorbent supporting a dye that is the same as or different from the dye supported by the porous semiconductor layer.

Dye-sensitized solar cell

Communication module with solar cell

Dye-sensitized solar cell module

The dye-sensitized solar cell comprises a first electrode including a porous semiconductor layer supporting a dye, a second electrode serving as the counter electrode of the first electrode, and an electrolytic solution filled between the first electrode and the second electrode. The second electrode includes a counter electrode conductive layer containing carbon microparticles and supporting a dye that is the same as that supported by the porous semiconductor layer.

Dye-sensitized solar cell and method for producing the same

An object of the present disclosure is to suppress deterioration of a single cell in a power supply device that uses a solar cell module including a plurality of single cells so as to extend the performance retention time of the solar cell module. The power supply device comprises a solar cell module including a plurality of solar cells that are electrically connected in series; and an output control circuit that supplies the electric power generated by the solar cell module to the load when an output voltage of the solar cell module increases and reaches a predetermined first voltage V, and that interrupts the supplying of the electric power generated by the solar cell module to the load when the output voltage of the solar cell module decreases and reaches a predetermined second voltage V, wherein the second voltage Vis lower than the first voltage Vand is higher than a second highest output voltage of output voltages of the solar cell module corresponding to inflection points in a current-voltage characteristic of the solar cell module.

Power supply device using solar cell, electronic apparatus such as communication apparatus equipped with the same, and signboard apparatus

A positive electrode for lithium ion secondary batteries includes a collector and a positive electrode active material layer formed on at least one surface of the collector. The positive electrode active material layer contains a lithium-containing metal oxide having a unit cell represented by the following formula and a conductive material and has voids with a volume of 0.82&#xd7;10cm/cmto 7.87&#xd7;10cm/cmper unit area of the collector:LiFeZrPSiO&#x2003;&#x2003;(1)where 0&#x3c;x&#x3c;1 and 0&#x3c;y&#x3c;1. The unit cell has lattice constants satisfying 10.326&#x2266;a&#x2266;10.335, 6.006&#x2266;b&#x2266;6.012, and 4.685&#x2266;c&#x2266;4.714. The sum of the volume of the lithium-containing metal oxide and the volume of the conductive material is 1.61&#xd7;10cm/cmto 6.46&#xd7;10cm/cmper unit area of the collector.

Positive electrode for lithium ion secondary batteries and lithium ion secondary battery including the same

The present invention has been achieved to provide a metal-air battery that allows removal of a metallic compound without suspending power supply. The metal-air battery of the present invention includes: first and second electrolytic tanks for storing an electrolytic solution; a metallic electrode to serve as an anode provided in the first electrolytic tank; and an air electrode to serve as a cathode, wherein the metallic electrode is formed of a metal which becomes a metallic ion or composes a metallic compound in the electrolytic solution with progress of a battery reaction, the first and second electrolytic tanks are communicated with each other for allowing the electrolytic solution in the first electrolytic tank to move into the second electrolytic tank, and the metallic ion or the metallic compound in the electrolytic solution is precipitated as a metallic compound precipitate in the second electrolytic tank.

Metal-air battery and energy system

A cathodic active material for a nonaqueous electrolyte secondary battery according to the invention includes a lithium-containing transition metal phosphate containing Li and a transition metal. A transition metal site and P site of the lithium-containing transition metal phosphate are replaced by elements other than elements contained in the lithium-containing transition metal phosphate, and the quantity of P site is excessive with respect to a stoichiometric proportion of the lithium-containing transition metal phosphate. With this cathodic active material, a high-power and high-capacity secondary battery which is superior in safety and cost and has superior rate performance can be provided.

Cathodic active material for nonaqueous electrolyte secondary battery, cathode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery

Provided is a fuel cell stack having reduced thickness and weight and an improved output density. The fuel cell stack according to the present invention includes two or more stacked fuel cell layers, and is characterized in that at least one of the fuel cell layers is formed by arranging two or more composite unit cells in an identical plane with a gap provided therebetween, that the composite unit cell includes a plurality of unit cells and a fuel supply portion for supplying fuel to anode electrodes of the unit cells, and that the anode electrodes of the plurality of unit cells are arranged to face the fuel supply portion.

Fuel cell stack and electronic device provided with the same

There are provided a fuel cell having stable and good power generation characteristics and good safety, a fuel cell system including the fuel cell and an electronic device equipped with the fuel cell. The fuel cell includes at least an electrolyte membrane, an anode formed on one surface of the electrolyte membrane, a cathode formed on the other surface of the electrolyte membrane, a liquid fuel chamber for supplying a liquid fuel to the anode, and a separating layer formed between the anode and the liquid fuel chamber. The separating layer and/or the anode has an exhaust passage that is continuously formed in an in-plane direction to discharge exhaust gas generated at the anode. The separating layer allows the liquid fuel to pass from the liquid fuel chamber to the anode and blocks the movement of gas from the anode to the liquid fuel chamber.

Fuel cell, fuel cell system and electronic device

Provided is a fuel battery including: a fuel battery cell assembly having at least two fuel battery cells coplanarly disposed, the fuel battery cell including a membrane electrode assembly having an anode, an electrolytic membrane, and a cathode stacked on one another in this order, and a flow channel plate provided on an anode side and having on an anode-side surface thereof an in-cell fuel flow channel through which liquid fuel flows; and a fuel distributor having an out-cell fuel flow channel connected to each of the in-cell fuel flow channels to distribute the liquid fuel to the fuel battery cells.

Fuel battery

Growing community of inventors

Sakai, Japan

Tomohisa Yoshie