Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Otsuka Pharmaceutical Factory, Inc.

Toshiba Lifestyle Products & Services Corporation

Jichi Medical University

Norihiro Yoshinaga

Yoshihiro Akasaka

Katsuyuki Naito

Wu Mei

Yoshihiko Nakano

Atsuko Iida

Taishi Fukazawa

Shigeru Matake

Yuta Kanai

Jun Tamura

Ryosuke Yagi

Tianyi Yang

Yasuhiro Harada

Satoshi Mikoshiba

Ryota Kitagawa

Akihiko Ono

Yoshitsune Sugano

Eishi Tsutsumi

Masako Doi

Norio Takami

Tomio Ono

Hideaki Sato

Yuki Kudo

Masakazu Yamagiwa

Kazuki Ise

Eiji Kobayashi

Tetsuya Sasakawa

Norihiro Tomimatsu

Yosuke Sato

Yorikazu Yoshida

Yasuhiro Fujimoto

Shuichi Uchikoga

Ena Ishii

Yoshihiko Tsuda

Yasuhide Inoue

Tetsuharu Tanoue

Kazuyoshi Miyata

Takuya Hongo

Takashi Yoshida

Tamaki Wada

Akifumi Hagi

Hiroaki Hirazawa

Yasuhiro Sakai

Yasutaka Fujita

Shinya Miki

Kei Matsuoka

Takumi Teratani

Takahiro Tomoyasu

Akiyoshi Kuroda

Seiichirou Kanou

Shinichi Sekiguchi

Yoji Nakamori

Naoki Syoji

Kyohei Yamashita

According to a storage battery of an embodiment includes a first battery module and a second battery module connected in parallel with the first battery module. The number of first cells connected in series in the first battery module is M, and the number of second cells connected in series in the second battery module is N. When an open circuit voltage at SOC=X % of the first cells and the second cells are Va1 (X) and Va2 (X), respectively, the voltages of the battery modules are M×Va1 (X)<N×Va2 (X) in the range where the SOC of the cell is 0% to 30%, and M×Va1 (X)>N×Va2 (X) in the range where the SOC of the cell is 70% to 100%.

Storage battery

An electrochemical reaction device of an embodiment includes: an electrochemical reaction cellthat includes: a first electrode having a first flow path, a second electrode having a second flow path, and a separating membrane sandwiched between the first electrode and the second electrode; a liquid tank that contains a liquid to be treated supplied to the second flow path of the second electrode; a first pipe that connects an inlet of the second flow path and the liquid tank; a second pipe that connects an outlet of the second flow path and the liquid tank; and a backflow suppression mechanism that is provided in the second pipe to prevent backflow of the liquid to be treated flowing in the second pipe or reduce a backflow speed.

Electrochemical reaction device and electrochemical reaction method

An electrochemical device of an embodiment includes: an electrochemical cell including a first electrode having a first flow path, a second electrode having a second flow path, and a separating membrane sandwiched between the first electrode and the second electrode; a gas-liquid separation tank which is connected to the first flow path of the first electrode and to which a product produced at the first electrode and water permeating from the second electrode to the first electrode are sent at an operation time; and a water sealing pipe which is connected to a liquid portion of the gas-liquid separation tank, and to send water in the gas-liquid separation tank to the first flow path of the first electrode at a stop time.

Electrochemical device

In an embodiment, an aging determination method of a battery as a target of determination is provided. With regard to a target electrode which is at least one of a positive electrode and a negative electrode of the battery, the method estimates a correction coefficient to correct a difference between lithium concentration distributions in the target electrode at a time of charging with a first electric current and at a time of charging with a second electric current greater than the first electric current based on a difference between electric potentials of a target electrode at the time of charging with the first electric current and at the time of charging with the second electric current, and an impedance of the target electrode at the time of charging with the second electric current.

Aging determination method of battery, aging determination apparatus of battery, management system of battery, battery-mounted device, and non-transitory storage medium

A catalyst laminate includes a plurality of catalyst layers containing at least one of a noble metal and an oxide of the noble metal and at least one of a non-noble metal and an oxide of the non-noble metal, including:

Catalyst laminate, membrane electrode assembly, electrochemical cell, stack, water electrolyzer, and hydrogen utilizing system

According to one embodiment, there is provided a composite. The composite includes active material particles of a titanium composite oxide or oxide of titanium, and a graphene structure including a carbon material. The carbon material has a graphene framework defining a graphene surface. The graphene structure is located in between the active material particles. The graphene structure has at least one side surface in contact with the active material particle. The side surface includes the carbon material whose graphene surface is slanted relative to the side surface.

Composite active material

A laminated electrolyte membrane of an embodiment includes: a first electrolyte membrane; a second electrolyte membrane; and a nanosheet laminated catalyst layer provided between the first electrolyte membrane and the second electrolyte membrane and including a laminated structure in which a plurality of nanosheet catalysts is laminated with a gap.

Laminated electrolyte membrane, membrane electrode assembly, water electrolysis cell, stack, water electrolyzer, and hydrogen utilizing system

According to an embodiment, a laminated catalyst includes a first catalyst layer mainly including a noble metal mainly containing Pt, a second catalyst layer mainly including a mixture of an oxide of a noble metal mainly containing Ir and Ru and a noble metal mainly containing Pt, and a third catalyst layer mainly including an oxide of a noble metal mainly containing Ir and Ru The first catalyst layer, the second catalyst layer, and the third catalyst layer are laminated in order.

Laminated catalyst, electrode, membrane electrode assembly, electrochemical cell, stack, fuel cell and water electrolysis reversible device, vehicle, and flying object

An electrochemical reaction device, comprises: an anode to oxidize a first substance; a first flow path facing on the anode and through which a liquid containing the first substance flows; a cathode to reduce a second substance; a second flow path facing on the cathode and through which a gas containing the second substance flows; a porous separator provided between the anode and the cathode; and a power supply connected to the anode and the cathode. A thickness of the porous separator is 1 &#x3bc;m or more and 500 &#x3bc;m or less. An average fine pore size of the porous separator is larger than 0.008 &#x3bc;m and smaller than 0.45 &#x3bc;m. A porosity of the porous separator is higher than 0.5.

Electrochemical reaction device

A catalyst of an embodiment includes a porous structure including aggregates of particles containing Ru and metal atoms M different from Ru. The particles are a metal oxide. A metal atom ratio of the metal atom M in a surface region of the porous structure is higher than that of the metal atom M in the porous structure as a whole.

Catalyst, anode, membrane electrode assembly, water electrolysis cell, stack, water electrolyzer, and hydrogen utilizing system

An electrode includes a base material, and a catalyst layer provided on the base material, the catalyst layer including a plurality of catalyst units having a porous structure. The catalyst layer has a first catalyst layer provided near the base material, the first catalyst layer including a plurality of the catalyst units dispersed at a first dispersion degree. The catalyst layer has a second catalyst layer provided above the first catalyst layer, the second catalyst layer including a plurality of the catalyst units dispersed at a second dispersion degree. The second dispersion degree is different from the first dispersion degree.

Electrode, membrane electrode assembly, electrochemical cell, and stack

A method for producing a stacked electrode of an embodiment includes preparing a multi-layered graphene film, applying a dispersion liquid of metal nanowires onto the multi-layered graphene film, and removing a solvent from the dispersion liquid to prepare a metal wiring on the multi-layered graphene film.

Method for producing stacked electrode and method for producing photoelectric conversion device

An electrochemical reaction device comprises: an electrolytic solution tank including a first region, a second region, and a path; a reduction electrode disposed in the first region; an oxidation electrode disposed in the second region; and a power source connected to the reduction electrode and oxidation electrode; and a plurality of ion exchange membranes separating the first region and the second region.

According to one embodiment, a transparent conductor includes a transparent substrate; a metal nanowire layer disposed on the transparent substrate and including a plurality of metal nanowires; a graphene oxide layer covering the metal nanowire layer; and an electrical insulating resin layer disposed in contact with the graphene oxide layer.

Transparent conductor and device

An electrode of an embodiment includes a base material, and a catalyst layer provided on the base material and having a porous structure. When a sum of heights of all peaks belonging to Ir oxide is I0, the height of a peak of IrO(110) is I1, and the height of a peak of IrO(211) is I2, a ratio of (I1+I2)/I0, which is a ratio of spectra obtained by X-ray diffraction measurements using K&#x3b1; rays of Cu in the catalyst layer, is 50% or more and 100% or less in a range of a diffraction angle of 20 degrees or more and 70 degrees or less.

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Kawasaki, Japan

Norihiro Yoshinaga