Murata Manufacturing Co., Ltd.

Masamitsu Suzuki

Keisuke Shimizu

Noriyuki Aoki

Go Sudo

Tatsuya Furuya

Tomohiro Kato

Masahiro Morooka

Hideyuki Kumita

Sae Miyaji

Kenji Kishimoto

Keiko Furukawa

Yasushi Tamura

Mamoru Nakashima

Masayuki Arimochi

Keiko Hayashi

Norio Fukasawa

Yumiko Yoshida

Harumi Shibata

An all-solid-state battery is provided that includes a cathode layer, an anode layer, and a solid electrolyte layer, in which a porosity of the solid electrolyte layer is equal to or less than 10%. Moreover, the batter includes a surface roughness Rzof the cathode layer and a surface roughness Rzof the anode layer, such that Rz+Rz&#x2264;25.

All-solid-state battery, electronic device, electronic card, wearable device, and electric motor vehicle

An all-solid-state battery that includes a battery element and an exterior material covering a surface of the battery element, wherein the exterior material includes one or more glass state materials and one or more crystalline state materials.

All-solid-state battery, electronic device, electronic card, wearable device, and electric vehicle

A solid battery including a positive electrode layer; a negative electrode layer; a current collecting layer; a solid electrolyte layer; and an insulating layer. Each of the positive electrode layer, the negative electrode layer, the current collecting layer, the solid electrolyte layer, and the insulating layer contains a material having a glass transition point of 500&#xb0; C. or less in an amount of 10 vol % to 60 vol %, and among contents of the material having a glass transition point of 500&#xb0; C. or less in each of the positive electrode layer, the negative electrode layer, the current collecting layer, the solid electrolyte layer, and the insulating layer, a difference between a maximum content and a minimum content is 30 vol % or less.

Solid battery, battery pack, vehicle, power storage system, power tool, and electronic device

A solid-state battery that includes a cathode layer which occludes and discharges an electrode reactant ion, an anode layer which occludes and discharges the electrode reactant ion and partially faces the cathode layer, and a solid electrolyte layer between the cathode layer and the anode layer and including a high ion conductivity portion in a first region in which the cathode layer and the anode layer face each other, and a low ion conductivity portion facing the cathode layer in a second region in which the cathode layer and the anode layer do not face each other.

Solid-state battery, battery pack, electric motor vehicle, power storage system, electric tool, and electronic device

A solid battery including at least one first laminate body in which a first electrolyte layer, a first positive electrode layer, a first current collecting layer, and a second positive electrode layer are laminated in this order; at least one second laminate body in which a second electrolyte layer, a first negative electrode layer, a second current collecting layer, and a second negative electrode layer are laminated in this order; a first insulating layer connected to at least part of a side surface portion of the first laminate body; and a second insulating layer connected to at least part of a side surface portion of the second laminate body. Each of the first current collecting layer and the second current collecting layer has ionic conductivity of 10S/cm or lower, and each of the first insulating layer and the second insulating layer has ionic conductivity of 10S/cm or lower.

Solid battery, manufacturing method of solid battery, battery pack, vehicle, power storage system, power tool, and electronic equipment

A lithium ion conductor includes a first lithium ion conductor that contains at least one selected from among oxide crystals and glass ceramics, and a second lithium ion conductor that has a sintering temperature of not more than 600&#xb0; C. The lithium ion conductivity of the first lithium ion conductor is higher than the lithium ion conductivity of the second lithium ion conductor.

Lithium ion conductor, solid electrolyte layer, electrode, battery, and electronic device

A glass-ceramic includes an oxide containing lithium (Li), silicon (Si), and boron (B) and has an X-ray diffraction spectrum with two or more peaks appearing in the range 20&#xb0;&#x2264;2&#x3b8;&#x2264;25&#xb0; and with two or more peaks appearing in the range 25&#xb0;&#x3c;2&#x3b8;&#x2264;30&#xb0;.

Growing community of inventors

Nagaokakyo, Japan

Masamitsu Suzuki