Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Norihito Fujinoki

Morio Tomiyama

Takuji Tsujita

Yu Nishitani

Masashi Sakaida

Shigeru Furumiya

Akihiro Sakai

Teruhiro Shiono

Akinobu Miyazaki

Izuru Sasaki

Haruhiko Habuta

Kenta Nagamine

Akihiko Sagara

Yuki Nomura

A solid electrolyte consists essentially of Li, M, and X. M includes at least one element selected from the group consisting of Gd, Tb, and Sm. X is at least one element selected from the group consisting of Cl, Br, and I.

Solid electrolyte and battery using same

A positive electrode material includes a positive electrode active material, a cover layer that covers at least part of a surface of the positive electrode active material and that contains a first solid electrolyte material, and a second solid electrolyte material that is a material different from the first solid electrolyte material. The first solid electrolyte material contains Li, M, and X and does not contain sulfur. M represents at least one element selected from the group consisting of metal elements other than Li and semi-metal elements, and X represents halogen elements including Cl.

Positive electrode material and battery

A secondary battery includes: a first electrode; a second electrode; a first solid electrolyte covering the first electrode, the first solid electrolyte containing an alkaline earth metal; and a liquid electrolyte filling the space between the first electrode and the second electrode, the liquid electrolyte containing a non-aqueous solvent and a salt of the alkaline earth metal dissolved in the non-aqueous solvent.

Secondary battery using alkaline earth metal ion moving during charge and discharge

A solid electrolyte includes a matrix including, as a salt, containing a metal halide containing an alkaline-earth metal and a metal, and at least one filler located in the matrix.

Solid electrolyte containing metal halide containing alkaline-earth metal and group 13 metal, and filler, and secondary battery including solid electrolyte

A solid electrolyte has a composition represented by the formula: MgMSiO, where M represents at least one selected from the group consisting of Ti, Zr, Hf, Ca, Sr, and Ba; x satisfies 0&#x3c;x&#x3c;2; y satisfies 0&#x3c;y&#x3c;2; and z satisfies 3&#x3c;z&#x3c;6.

Solid electrolyte having magnesium ion conductivity and magnesium secondary battery using the same

A solid electrolyte contains a composite metal halide. The composite metal halide contains magnesium, gallium, indium, and a halogen. In the composite metal halide, the molar ratio of indium to the total of gallium and indium is less than 0.2.

Solid electrolyte containing composite metal halide containing magnesium, gallium, indium, and halogen, and secondary battery including the same

A solid electrolyte contains a composite metal halide. The composite metal halide contains magnesium, an alkaline-earth metal having a larger ionic radius than magnesium, gallium, and a halogen. In the composite metal halide, the molar ratio of the alkaline-earth metal to the total of magnesium and the alkaline-earth metal is less than 0.2.

Solid electrolyte containing composite metal halide containing magnesium, alkaline-earth metal, gallium, and halogen, and secondary battery including the same

A solid electrolyte includes: a matrix containing, as a solid salt, at least one selected from the group consisting of (i) a metal halide containing an alkaline-earth metal and (ii) a metal compound containing the alkaline-earth metal and fluorine; and one or more fillers embedded in the matrix.

Solid electrolyte having filler embedded in alkaline-earth metal containing matrix, and secondary battery including the same

A solid electrolyte has a composition represented by the formula: MgSiON, where 1&#x3c;x&#x3c;2, 3&#x3c;y&#x3c;5, and 0&#x2264;z&#x3c;1. The solid electrolyte is an amorphous material.

An electricity storage device includes a first electrode, a second electrode, an electricity storage layer, and a p-type semiconductor layer. The electricity storage layer is placed between the first electrode and the second electrode. The electricity storage layer contains a mixture of an insulating material and n-type semiconductor particles. The p-type semiconductor layer is placed between the electricity storage layer and the second electrode. The n-type semiconductor particles contain at least one of a titanium-niobium composite oxide and a titanium-tantalum composite oxide.

Electricity storage device and method for manufacturing electricity storage device

The present application discloses electric field measurement device for measuring electric field of a target. Electric field measurement device includes optical waveguide which transmits transmission light, electrode portion, which gives optical characteristics of optical waveguide periodic variation, antenna for setting first state, in which electric field is coupled to optical waveguide, and second state, in which electric field is disconnected from optical waveguide, detector which detects light intensity of emission light emitted from optical waveguide, and applicator which applies voltage to electrode portion to give periodic variation. Applicator includes setting portion, which sets reference voltage in correspondence to light intensity under the second state, and output portion, which outputs voltage in correspondence to difference between reference voltage and induced voltage happening to electrode portion under first state.

Electric field measurement device

An optical deflection element is provided with a substrate; an optical waveguide film made of an electro-optic medium, and constituting an optical waveguide formed on the substrate; a first electrode pair disposed on an incident side of the optical waveguide film at a position facing a film thickness direction of the optical waveguide film, and configured to deflect a light beam transmitting through the optical waveguide film in an in-plane direction of the optical waveguide film in accordance with a first applied voltage; and a second electrode pair disposed on an output side of the optical waveguide film at a position facing the film thickness direction of the optical waveguide film, and configured to deflect the light beam deflected in the in-plane direction of the optical waveguide film by the first electrode pair in the film thickness direction of the optical waveguide film in accordance with a second applied voltage. The second electrode pair includes a first electrode and a second electrode. The first electrode and the second electrode are formed to have lengths different from each other in a direction of travel of the light beam transmitting through the optical waveguide film.

Optical deflection element and optical deflection device

A recording medium () is provided with a left-handed material layer () having at least one of a permittivity and a permeability of a negative value, and having substantially periodically formed structures; and a recording layer () including island-shaped and substantially periodically arranged recording regions (), and being laminated on the left-handed material layer (). The structure period of the left-handed material layer () is equal to or is an integral multiple of the arrangement period of the recording regions () of the recording layer ().

Growing community of inventors

Osaka, Japan

Norihito Fujinoki