Kabushiki Kaisha Toshiba

Toshiba Infrastructure Systems & Solutions Corporation

Toshiba Energy Systems & Solutions Corporation

Masahiro Sekino

Kazuto Kuroda

Shinichiro Kosugi

Asako Satoh

Masayuki Oguchi

Yusuke Kikuchi

Ryo Okabe

Norio Shimizu

Hiroyuki Hasebe

Jun Takahashi

Akira Yajima

Tomonao Takamatsu

Mitsunobu Yoshida

Shusuke Inada

Masaki Sato

Hideo Shimizu

Osamu Yamazaki

Tatsuya Arai

Hiroshi Kitayama

Takafumi Nakahama

Jun Momma

Kotaro Ogawa

Takahiro Yamamoto

Shinya Sato

Makoto Kato

Kenji Sato

Takashi Sudo

Tomokazu Morita

Katsumi Hisano

Nobukatsu Sugiyama

Takenori Kobayashi

Norihiro Tomimatsu

Hirofumi Yamamoto

Kaoru Koiwa

Ryosuke Yagi

Makoto Nagasato

Masatake Sakuma

Hideo Yamasaki

Kazuhide Ashida

Hideaki Hiraki

Masashi Fujiwara

Yosuke Saeki

Toshinori Uchida

Nao Shimura

Norihiro Kaneko

Nagaaki Muro

Hideaki Yasui

Makoto Noguchi

Atsumi Kondo

Sonoka Ikeda

Akinobu Nishikawa

Mai Honda

Masahiro Kurosu

Akihiko Ujiie

Atsushi Inamura

Asako Sato

Hidenori Suzuki

Kenji Shigehisa

Teruyoshi Kogure

Masafumi Ebisawa

Tomohiro Toyosaki

Kenji Yazawa

Masayuki Hoshino

Koshin Tanaka

Shun Egusa

Minoru Gyoda

Masayuki Onuma

Tatsumi Matsuo

Hidenori Miyamoto

Fuyuki Kanbe

Tsutomu Kanetsuna

Keita Nakata

Minoru Oota

Shigeki Kono

Akio Nishimaki

Hiroaki Sakurai

Mitsuhiro Saito

Yuusaku Hata

Takayuki Onoda

Ryo Nozawa

Otoya Komabayashi

Asako Lions-Mansion-Namamugiminami Satoh

Masayuki 202 Dai-2-Suzuran-Heights Oguchi

A storage battery device includes: a cell unit including a plurality of battery cells; an electric flow path material that forms a current path through which electric power is supplied from or to the battery cells; and a radiator thermally coupled to the current-path member.

Storage battery device

An apparatus according to one embodiment includes a positive and a negative electrode terminals; modules each including an assembled battery and a CMU, the assembled battery including cells, the CMU to detect a voltage and a temperature of the assembled battery; a main circuit for electrical connection between terminals of the modules and the positive and negative electrode terminals; a BMU to receive information about the voltage and the temperature from the respective CMU; a supply circuit to convert DC power from the main circuit and supply the converted power to the BMU; a breaker for interrupting the main circuit; and a circuit to block a current flowing through the main circuit in a direction of charging the modules, in response to a stop of a control signal from the BMU.

Storage battery apparatus with current cutoff control

A battery module includes: a battery cell unit including a plurality of battery cells connected together in series or series-parallel; a cell monitoring unit configured to monitor temperatures and voltages of the battery cells; and a plurality of overtemperature/overvoltage detecting units of n systems (n: an integer greater than or equal to 2). The overtemperature/overvoltage detecting units of the n systems are configured to independently detect an overtemperature or an overvoltage of the battery cells as an abnormal state, and to mutually notify one another of results of the detection. Each of the overtemperature/overvoltage detecting units is configured to, upon being notified that the abnormal state is detected from another overtemperature/overvoltage detecting unit of another system in the battery module, operate on the assumption that the overtemperature/overvoltage detecting unit detects the abnormal state.

Battery module and storage battery system

A device according to an embodiment includes at least one assembled battery; first switches that switch an electrical connection state of main circuits connected between the assembled battery and the load; second switches that switch an electrical connection state of second main circuits branched from the main circuits and are connected between the assembled battery and the load; a BMU that controls operations of the first switches based on an operation command supplied from the load; and a power supply circuit that supplies power to the BMU and second switches when a start command supplied from the outside is ON.

Battery device and vehicle

A battery pack includes a casing, a plurality of battery cells, and a first connector, for example. The casing includes a first outer wall and a protrusion that is provided on the first outer wall and protrudes outward from the first outer wall. The battery cells include an electrode terminal and are housed in the casing. The first connector is provided on the protrusion and is electrically connected to the electrode terminal.

Battery pack

According to one embodiment, a wiring diagnostic apparatus of embodiments includes a counter, an acquirer, and an abnormality determiner. The counter counts the number of battery modules connected to a plurality of first communication lines to which a plurality of battery modules are connected to form a communication channel for each of the first communication lines. The acquirer acquires identification information for identifying a battery module connected to a corresponding second communication line among battery modules connected to a plurality of second communication lines each forming a communication channel with a first communication line via the second communication line. The abnormality determiner determines an abnormality in a wiring relationship of the first communication line or the second communication line on the basis of the number of battery modules counted by the counter and identification information acquired by the acquirer.

Wiring diagnostic apparatus, battery system, and power system

A battery pack includes a first casing, a plurality of battery cells, and a second screw, for example. The first casing is supported by a support member and includes an insulating first outer wall. The battery cells are housed in the first casing. The first outer wall is provided with a second screw that is connectable to a first screw. The first casing is supported by the support member with the first screw fitted into the second screw, placing the support member in-between the first screw and the second screw.

A storage battery device includes a battery unit, a first circuit breaker, a second circuit breaker, and a control unit. The first circuit breaker switches between connecting and disconnecting a first-electrode side of the battery unit and an external device. The second circuit breaker switches between connecting and disconnecting a second-electrode side of the battery unit and the external device. The control unit supplies power to the first circuit breaker and the second circuit breaker in sequence with the power supplied to the second circuit breaker offset relative to the power supplied to the first circuit breaker by a time period equal to or longer than a time difference required for a sum of currents flowing through the first circuit breaker and the second circuit breaker to reach an upper bound current that is set as an upper bound of a current.

Storage battery device, storage battery device control method, and computer program product

According to one embodiment, a battery module includes a plurality of batteries and a module housing. The module housing accommodates the plurality of batteries. The module housing is configured by connecting a plurality of cases in a first direction. At least one of the plurality of cases includes a vacuum pad adsorption region which is on an end surface in a second direction intersecting the first direction and on which a vacuum pad is adsorbable.

Battery module

A power control apparatus according to an embodiment includes acquisition circuitry and determination circuitry. The acquisition circuitry is configured to acquire a voltage of a secondary battery during charging. The determination circuitry is configured to determine a maximum current to be used during charging of the secondary battery using a difference between an upper limit voltage and the acquired voltage.

Power control apparatus and power control system

According to one embodiment, a vehicle-use storage battery system includes a storage battery, a main circuit, a circuit breaker, a storage battery management unit, a first determiner, and a second determiner. The main circuit is electrically connected to the storage battery. The circuit breaker is disposed between the storage battery and the main circuit to make or break the electrical connection therebetween. The storage battery management unit manages an operating state of the storage battery. The first determiner determines whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker. The second determiner determines, on the basis of at least one of operating states of the storage battery management unit, the first determiner, and the circuit breaker, whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker.

Vehicle-use storage battery system

A power control apparatus according to an embodiment includes an acquisition unit and a determination unit. The acquisition unit acquires information relating to a voltage and an electric current of a chargeable/dischargeable secondary battery during charging/discharging. The determination unit determines a maximum current of the secondary battery during charging on the basis of the information acquired by the acquisition unit so that the voltage of the secondary battery does not exceed a predetermined voltage.

According to one embodiment, a vehicular storage battery device includes a housing, battery boxes, and a common cooling passage. The battery boxes are disposed in the housing. Each of the battery boxes houses an electric cell as a vehicle power source and includes a heat transporting part transporting heat generated in the battery box to outside of the battery box. The common cooling passage is disposed in the housing. The common cooling passage is provided with an inlet for taking in a fluid and an outlet for discharging the fluid having passed through the passage. The inlet and the outlet are open in a direction different from a traveling direction of the vehicle. The heat transporting part of each of the battery boxes is exposed to inside of the passage.

Vehicular storage battery device

Each of the plurality of battery heat radiation units includes, a battery module, at least one heat pipe thermally connected at a first end of the heat pipe to one surface of the battery module and protruding from the battery module at a second end of the heat pipe, at least one metal heat exchanger plate thermally connected to one surface of the battery module, and at least one heat radiation portion provided at the second end of the heat pipe, the air blowing portion blows air to the heat radiation portion, and one heat radiation portion in the plurality of battery heat radiation units is misaligned with other heat radiation portions in the plurality of battery heat radiation units as viewed from the air blowing portion side.

Battery heat radiation system, battery heat radiation unit

According to one embodiment, a storage battery device includes a battery group, a charge-and-discharge control FET unit, and a drive controller. The battery group includes a plurality of battery cells connected in series. The charge-and-discharge control FET unit is connected to a low potential side of the battery group and includes at least a pair of N-channel MOSFETs source terminals of which are back-to-back connected. The drive controller outputs a drive control signal to a gate terminal of the respective N-channel MOSFETs included in the charge-and-discharge control FET unit. The drive control signal is generated based on a potential level of the source terminals.

Growing community of inventors

Tokyo, Japan

Masahiro Sekino