Sharp Kabushiki Kaisha Corporation

Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Kubota Corporation

Sanyo Electric Co., Ltd.

Japan Science and Technology Agency

Matsushita Electric Industrial

Eisai R&d Management Co., Ltd.

Isao Tanaka

Motoaki Nishijima

Koji Fujita

Shunsuke Murai

Koji Ohira

Toshitsugu Sueki

Yukinori Koyama

Katsuhisa Tanaka

Keisuke Miura

Shogo Esaki

Shougo Esaki

Hideo Hosono

Tsuguyasu Hatsuda

Takafumi Morishita

Yoshito Hayakawa

Takashi Ogura

Hiroshi Mizuno

Masaya Sumita

Hideya Kumomi

Kazuo Sakaguchi

Yasuhisa Uoya

Kazuo Ino

Fumiyasu Oba

Fumio Kameoka

Yu Kumagai

Hidenori Hiramatsu

Yuta Araki

Jyoichi Tamada

Soshi Iimura

Yoshinori Muraba

Lee Alan Burton

Yoyo Hinuma

Kouzo Ishihara

Yuji Fukuda

Ryosuke Kinugawa

Masashi Miyakawa

Masahiro Hirano

Kazuyoshi Arii

Hiroyuki Okuda

Izuru Shimamoto

Katsuro Hayashi

Toru Wada

Osamu Taketoshi

Horiyuki Okuda

The present invention provides a zinc nitride compound suitable for electronic devices such as high-speed transistors, high-efficiency visible light-emitting devices, high-efficiency solar cells, and high-sensitivity visible light sensors. The zinc nitride compound is represented, for example, by the chemical formula CaZnNor the chemical formula XZnNwherein Xis Be or Mg. The zinc nitride compound is preferably synthesized at a high pressure of 1 GPa or more.

Zinc nitride compound and method for producing same

To properly manage data collected by a data collection device even when the data collection device is attached to an agricultural machine different from a specified agricultural machine. A data collection device () mounted on an agricultural machine () having unique agricultural machine identification information (), the data collection device () being capable of collecting data relating to the agricultural machine (), includes: an identification information retaining part () configured to retain second identification information used for identifying the agricultural machine (); a check part () configured to check the agricultural machine identification information () with the second identification information retained in the identification information retention part (), the agricultural machine identification information () being retained in the agricultural machine (); and a data collection processing part () configured to carry out, based on a check result by the check part (), a process relating to collection of the data.

Data collection device, working machine having data collection device, and system using data collection device

An access point device for a work machine is configured to connect a work machine and a mobile terminal via wireless communication. The access point includes a memory, a controller, and a communicator. The memory is to store data of the work machine. The controller is to set a request as a communication identifier to be received by a mobile terminal. The mobile terminal is configured to obtain the data stored in the memory in accordance with the request. The communicator is to transmit the communication identifier to the mobile terminal and to transmit the data stored in the memory to the mobile terminal.

Access point device for work machine, communication system for work machine, work machine, and data transmitting method for work machine

Data on agricultural machines can be outputted to mobile terminals easily and properly. A data collection device is provided separately from a control device that controls the operation of an agricultural machine and is connected to a vehicle communication network installed in the agricultural machine, and is removably connected to the vehicle communication network. The data collection device includes a data collection unit for collecting agricultural machine data outputted to the vehicle communication network, an authorization determination unit for implementing authentication with a mobile terminal to determine whether or not the collected data is transmitted to the mobile terminal by wireless communication, and a data communication unit for transmitting data to the mobile terminal by wireless communication when the authorization determination unit authorizes data transmission.

Data communication system for agricultural machine

A cathode active material of the present invention is a cathode active material having a composition represented by General Formula (1) below,LiFeMPSiO&#x2003;&#x2003;(1),

Cathode active material, cathode and nonaqueous secondary battery

A management server includes a user management database in which mobile terminal identification information on the mobile terminal and working machine identification information on a sold working machine are registered in association with each other, a user registration determination unit adapted to determine whether or not the mobile terminal and the working machine are registered in association with each other on the basis of the mobile terminal identification information and the working machine identification information outputted from the mobile terminal and the mobile terminal identification information and the working machine identification information stored in the user management database, and an authorization information output unit adapted to output an authorization key necessary for wireless communication between the mobile terminal and the working machine in the case where the user registration determination unit determines that the mobile terminal and the working machine are registered in association with each other.

Data communication system for working machine

A positive electrode active substance including a lithium-containing metal oxide represented by the following general formula (1):LiFeMPSiO&#x2003;&#x2003;(1)

Positive electrode active substance containing lithium-containing metal oxide

A cathode active material of the present invention is a cathode active material having a composition represented by General Formula (1) below,LiFeMPSiO&#x2003;&#x2003;(1), where: an average valence of Fe is +2 or more; M is an element having a valence of +2 or more and is at least one type of element selected from the group consisting of Zr, Sn, Y, and Al; the valence of M is different from the average valence of Fe; 0&#x3c;x&#x2266;0.5; and y=x&#xd7;({valence of M}&#x2212;2)+(1&#x2212;x)&#xd7;({average valence of Fe}&#x2212;2). This provides a cathode active material that not only excels in terms of safety and cost but also can provide a long-life battery.

A pressure control valve for controlling a travel primary side pressure that is a pressure of a primary side of a travel operation device is controlled by a control unit, thus the travel primary side pressure is controlled, and thereby a traveling speed is intended to be increased, preventing an engine stall.

Working machine

Provided is a positive electrode active material giving nonaqueous-electrolyte secondary batteries superior in cycle characteristics. The positive electrode active material according to the present invention includes a lithium-containing composite metal oxide having the composition represented by the following General Formula (1):LiFeMPSiO&#x2003;&#x2003;(1)(wherein M is at least one metal element selected from Zr, Sn, Y, and Al, 0.05&#x3c;x&#x3c;1, and 0.05&#x3c;y&#x3c;1), characterized in that: the positive electrode active material is in the single crystalline phase of the lithium-containing composite oxide represented by General Formula (1) when 1&#x3e;z&#x3e;0.9 to 0.75 or 0.25 to 0.1&#x3e;z&#x3e;0;the positive electrode active material has two crystalline phases of the lithium-containing composite oxides represented by the following General Formulae (2) and (3) when 0.9 to 0.75&#x3e;z&#x3e;0.25 to 0.1:LiFeMPSiO&#x2003;&#x2003;(2)(wherein 0.75 to 0.9&#x2266;a&#x2266;1.00, 0.05&#x3c;x&#x3c;1, and 0.05&#x3c;y&#x3c;1); andLiFeMPSiO&#x2003;&#x2003;(3)(wherein, 0&#x2266;b&#x2266;0.1 to 0.25+x, 0.05&#x3c;x&#x3c;1, and 0.05&#x3c;y&#x3c;1), andwhen the product of the lengths of the b and c axes of the unit cell of the lithium-containing composite oxide of General Formula (2) is designated as bc1 and the product of the lengths of the b and c axes of the unit cell of the lithium-containing composite oxide of General Formula (3) as bc2, &#x3b1;, which is defined by equation &#x3b1;=(bc2)/(bc1), is 0.99&#x3c;&#x3b1;&#x3c;1.01.

Positive electrode active material, positive electrode, and nonaqueous-electrolyte secondary battery

A method of producing a positive electrode active material, comprising the steps of:

Positive electrode active material, production method thereof and its use

The present invention provides a method for producing a lithium-containing composite oxide represented by general formula (1) below, the method at least including a step of preparing a solution by dissolving a lithium source, an element M source, a phosphorus source, and an element X source that serve as source materials in a solvent, the phosphorus source being added after at least the element M source is dissolved; a step of gelating the resulting solution; and a step of calcining the resulting gel:LiMPXO&#x2003;&#x2003;(1)(where M represents at least one element selected from the group consisting of Fe, Ni, Mn, Zr, Sn, Al, and Y; X represents at least one element selected from the group consisting of Si and Al; and 0&#x3c;x&#x2266;2, 0.8&#x2266;y&#x2266;1.2, 0&#x2266;z&#x2266;1). According to the present invention, a positive electrode active material for lithium secondary batteries that offers high safety and high cost efficiency and are capable of extending battery life can be provided.

Method for producing lithium-containing composite oxide

Growing community of inventors

Kyoto, Japan

Isao Tanaka