Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Corporation of America

Yu Otsuka

Nobuhiko Hojo

Hiroshi Fujita

Goro Hisatake

Takashi Isobe

Kazuhiro Aihara

Honami Nariyama

Masako Moriishi

Takafumi Tsukagoshi

Jun-ichi Yoshida

Hiroshi Yoshizawa

Ryuichi Natsui

Tsutomu Kawashima

Toshiki Nokami

Takayuki Nakatsutsumi

Hirotetsu Suzuki

Yukinari Inoue

Koichi Sawada

Shuhei Uchida

Koji Ogawa

Takanori Omae

Hiraku Hamanaka

Mitsuaki Terui

Akihiro Shimizu

Jun-Ichi Yoshida

A cathode active material includes a lithium composite oxide having a crystal structure which belongs to a layered structure. The lithium composite oxide has a BET specific surface area of not less than 5 m/g and not more than 10 m/g. The lithium composite oxide has an average particle size of not less than 3 &#x3bc;m and not more than 30 &#x3bc;m. The lithium composite oxide, an average crystallite size calculated by an X-ray diffraction method is not less than 150 &#x212b; and not more than 350 &#x212b;.

Cathode active material including lithium composite oxide having a layered crystal structure

A flow battery includes a first liquid containing a redox mediator, a first electrode, a first active material, and a first circulator that circulates the first liquid between the first electrode and the first active material. The redox mediator contains a heteranthrene compound. The redox mediator contains a heteranthrene compound. The heteranthrene compound has a skeletal structure including a central ring structure, the central ring structure containing no nitrogen.

Flow battery that includes liquid containing mediator

A flow battery includes a first liquid containing a first electrode mediator dissolved therein, a first electrode immersed in the first liquid, a first active material immersed in the first liquid, and a first circulation mechanism that circulates the first liquid between the first electrode and the first active material, wherein the first electrode mediator includes a tetrathiafulvalene derivative, and the tetrathiafulvalene derivative has a chain-forming substituent at positions 4,4' and 5,5&#x2032; of a tetrathiafulvalene skeleton thereof.

Flow battery

A flow battery includes: a liquid including redox mediator; an electrode at least partially immersed in the liquid; a second electrode; an active material at least partially immersed in the liquid; and a circulator that circulates the liquid between the electrode and the active material.

Flow battery that includes redox mediator

An air battery includes a negative electrode allowing a metal ion to be occluded in the negative electrode and released from the negative electrode, a positive electrode configured to use oxygen in the air as a positive electrode active material, a nonaqueous metal ion conductor disposed between the negative electrode and the positive electrode, and oxygen evolving catalysts. The positive electrode includes a carbon material. At least one of the oxygen evolving catalysts is fixed to the surface of the carbon material through a Si&#x2014;O bond.

Air battery including negative electrode, positive electrode, nonaqueous metal ion conductor, and oxygen evolving catalyst

A lithium air battery includes: a negative electrode configured to occlude and release lithium ions; a positive electrode configured to use oxygen in air as a positive electrode active material; and an electrolyte liquid that is configured to function as a nonaqueous lithium ion conductor, and that is disposed between the negative electrode and the positive electrode.

Lithium air battery that includes nonaqueous lithium ion conductor

A flow battery includes: a liquid including a redox mediator; an electrode at least partially immersed in the liquid; a second electrode; an active material at least partially immersed in the liquid, and a circulator that circulates the liquid between the electrode and the active material.

A lithium air battery includes a negative electrode allowing a lithium ion to be occluded in the negative electrode and released from the negative electrode; a positive electrode configured to use oxygen in air as a positive electrode active material; a nonaqueous lithium ion conductor disposed between the negative electrode and the positive electrode; and a copper ion present in at least one selected from the group consisting of the positive electrode and the nonaqueous lithium ion conductor.

Lithium air battery including negative electrode, positive electrode, nonaqueous lithium ion conductor, and copper ion

A flow battery includes a first liquid containing a first electrode mediator dissolved therein, a first electrode immersed in the first liquid, a first active material immersed in the first liquid, and a first circulation mechanism that circulates the first liquid between the first electrode and the first active material, wherein the first electrode mediator includes a tetrathiafulvalene derivative, and the tetrathiafulvalene derivative has a ring-forming substituent at positions 4,4' and 5,5&#x2032; of a tetrathiafulvalene skeleton thereof.

A flow battery includes: a liquid including a redox mediator; an electrode; a second electrode; an active material; and a circulator that circulates the liquid between the electrode and the active material. The redox mediator includes a tetrathiafulvalene derivative.

An electrolyte solution for a secondary lithium battery, the electrolyte solution including: a lithium salt, a non-aqueous organic solvent, and a phenanthroline-based compound having a polar substituent. The electrolyte solution enables production of a secondary lithium battery having a good high-temperature lifetime characteristics and good high-temperature preservation characteristics.

Electrode active material for power storage device, and power storage device

An electronic device that increases both visibility and selectability of executable programs. The electronic device includes a touch panel display having an elongated shape, a memory storing programs, and a processor controlling program execution and the display. The touch panel includes a first display region and a second display region contiguous with and narrower than the first display region. The display displays an execution image of a first program in the first display region and an icon image of a second program in the second display region in a smaller display area than the execution image. When the processor detects contact at the icon image and detects that the contact moves towards the first display region, the processor causes the display to display an execution image of the second program in the first display region.

Electronic device

A negative electrode active material layer containing at least one selected from silicon and a silicon compound as a negative electrode active material is formed, and an amount of lithium exceeding an amount corresponding to a theoretical capacity of the negative electrode active material layer is brought into contact with the negative electrode active material layer so as to prepare a negative electrode. A positive electrode containing a lithium-absorption material capable of irreversibly absorbing lithium is prepared. The positive electrode, the negative electrode, a separator, and a nonaqueous electrolyte are enclosed inside an outer enclosure. A chemical conversion treatment of the negative electrode active material is performed with the lithium brought into contact with the negative electrode active material layer.

Method for manufacturing nonaqueous electrolyte battery, and nonaqueous electrolyte battery

An electronic device that increases both visual perceptibility and selectability of executable programs. A display is a display with an elongated shape whose display surface includes a first region and a second region aligned in a longitudinal direction. In the first region, only an image that corresponds to a program that is specified as the main program is displayed. In the second region, images that correspond to sub-programs are displayed to be lined up in the longitudinal direction. The image includes an execution image of the program that is specified as the main program.

Growing community of inventors

Osaka, Japan

Yu Otsuka