Samsung Electronics Co., Ltd.

Ulvac, Inc.

Ryo Omoda

Yuichi Aihara

Takanobu Yamada

Satoshi Nakajima

Hiroyuki Nishide

Shiratsuchi Tomoyuki

Koji Yoshida

Seitaro Ito

Tatsuhiro Nozue

Hirohiko Murakami

Natsuru Chikushi

Yoshiaki Fukuda

Haruhisa Nakano

Naoki Tsukahara

An all solid battery including: a first electrode include a first current collector, and a first active material layer bonded to the first current collector; a first solid electrolyte layer bonded to a surface of the first active material layer opposite the first current collector; a second solid electrolyte layer bonded to a surface of the first solid electrolyte layer opposite the first active material layer; a second electrode including a second current collector, and a second active material layer bonded to the second current collector and a surface of the second solid electrolyte layer opposite the first solid electrolyte layer, wherein the first solid electrolyte layer extends farther than the second current collector in a direction away from a first surface of the all solid battery.

All solid battery

An all-solid secondary battery, including: a first current collector; a pair of first active material layers disposed on opposite sides of the first current collector; a pair of solid electrolyte layers disposed on surfaces of the pair of first active material layers; a pair of second active material layers disposed on surfaces of the pair of solid electrolyte layers; and a pair of second current collectors disposed on surfaces of the pair of second active material layers, wherein a surface of one of the pair of second current collectors opposite to a surface of one of the pair of second active material layers does not comprise protrusions having a height of greater than about 8 micrometers.

All-solid secondary battery, multilayered all-solid secondary battery, and method of manufacturing all-solid secondary battery

An electrolyte for a secondary battery, the electrolyte including: an organic solvent; and a lithium ion conductive solid electrolyte represented by the formulaLiPSwherein 3&#x3c;a&#x3c;5, 1&#x3c;b&#x3c;3, and 6&#x3c;c&#x3c;8, and wherein at least a portion of the solid electrolyte is dissolved in the organic solvent.

Electrolyte solution for secondary battery and secondary battery

A positive electrode for an alkali metal-sulfur battery, the positive electrode including: a porous conductive material layer including a plurality of nanocarbon structures of a conductive material, wherein the conductive material defines a plurality of pores between the plurality of nanocarbon structures of the conductive material; sulfur, which is contained in the plurality of pores of the porous conductive material layer; and a polymer film disposed directly on at least a portion of the porous conductive material layer.

Positive electrode having sulfur contained in pores between nanocarbon structures, alkali metal-sulfur battery including the same, and method of preparing the positive electrode

An electrochemical device including: a positive electrode including oxygen as a positive active material; a negative electrode including a lithium ion-intercalatable/deintercalatable material as a negative active material; and an electrolytic solution in fluid communication with the positive electrode and the negative electrode and including a solvent and an oxygen absorbing/desorbing material with an oxygen binding rate of about 60 to about 95% in a pure oxygen atmosphere.

Electrochemical device

A polymeric compound including a cross-linked backbone which is a product of a reaction between a multifunctional acrylate compound and a metal porphyrin derivative, wherein the metal porphyrin derivative has a first axial position and a second axial position, and further includes a basic coordination ligand coordinated at the first axial position of the metal porphyrin derivative.

Growing community of inventors

Kanagawa, Japan

Ryo Omoda