Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Chuo Kenkyusho

Nippondenso Co., Ltd.

Prime Planet Energy & Solutions, Inc.

Other

Aisin Seiki Kabushiki Kaisha

Kabushiki Kaisha Toyota Jidoshokki

Fujitsu Corporation

Denso Corporation

Denso International America, Inc.

Kansai Paint Company, Ltd.

Sophia School Corporation

Hiroyuki Yamaguchi

Katsuhiro Asano

Takaji Umeno

Masaru Sugai

Eiichi Ono

Hideyuki Suzuki

Jun Yoshida

Mitsutoshi Otaki

Hiroyuki Nishizawa

Kazuhiro Suzuki

Hironori Daikoku

Kisaburo Hayakawa

Kazunori Saida

Yasuhiko Sumiya

Masataka Tomita

Kunihiro Iwatsuki

Masaki Okamura

Kenji Tozu

Masataka Osawa

Akitaka Nishio

Katsuhiko Hattori

Yasushi Amano

Yoshinari Makimura

Yoshiaki Ito

Kosuke Aiki

Tatsuya Hattori

Daiki Mori

Hideto Inagaki

Yuji Hattori

Yasuhiro Oshiumi

Kazumi Hoshiya

Toshiaki Ishiguro

Shunichi Doi

Takayuki Itoh

Yasunori Nakawaki

Yoshihiro Mizuno

Masato Shimei

Shoji Ito

Shinji Nakanishi

Yasutaka Hayashi

Eiichi Yasuda

Shinobu Okayama

Satoshi Yoshida

Yoshikazu Hattori

Satoru Onozawa

Hideyuki Yamamura

Choji Furusawa

Osamu Kobayashi

Kiyokazu Sunami

Naoyuki Iwata

Kiyoshi Kouge

Glenn Crocker

Hideki Sugiura

Shin Ushiroda

Kazuma Inagaki

Masahiro Fujita

Yuki Ishigaki

Tsuyoshi Honma

Tatsuya Koga

Kyoko Kikuchi

Takeo Ogasawara

Atsushi Tsukamoto

Masahiko Mizuno

Takahiro Inagaki

Eiichi Ogata

Isao Kinoshita

Nobuyuki Doi

Takayasu Kojima

Masayuki Naito

Satoshi Inayoshi

Akira Okamoto

Masateru Amano

Noriyoshi Suzuki

Masakazu Tamaru

Hirofumi Tani

Timothy Roland

A nonaqueous electrolyte secondary battery is provided which is suppressed in capacity deterioration upon repeating charging and discharging irrespective of cracks being formed in a lithium manganese oxide particle having a spinel type crystal structure. The nonaqueous electrolyte secondary battery herein disclosed includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode active material layer. The positive electrode active material layer includes lithium manganese oxide particles having a spinel type crystal structure as the positive electrode active material. At least a part of the lithium manganese oxide particles has a cracked part. The lithium manganese oxide particles have a coating film on the particle surface including the surface of the cracked part. The coating film contains a P component including a LiMnPOcomponent, and a F component.

Nonaqueous electrolyte secondary battery and manufacturing method thereof

Provided is a non-aqueous electrolyte secondary battery using a spinel-type manganese-containing composite oxide, in which the capacity deterioration in repeated charging and discharging at a high temperature is suppressed. A non-aqueous electrolyte secondary battery disclosed herein includes a positive electrode, a negative electrode, and a non-aqueous electrolytic solution. The positive electrode includes a positive electrode active material layer containing a positive electrode active material. The positive electrode active material includes a lithium composite oxide having a spinel-type crystal structure and including Mn. The positive electrode active material layer includes 0.05% by mass or more and 1.0% by mass or less of orthophosphoric acid with respect to the positive electrode active material. The negative electrode includes a negative electrode active material layer containing a negative electrode active material. The negative electrode active material is graphite. The non-aqueous electrolytic solution includes a fluorine-containing lithium salt.

Non-aqueous electrolyte secondary battery and method for manufacturing same

A wheel load estimation device includes an obtaining unit obtaining angular velocities and angular accelerations of a rigid body including an element, accelerations of the rigid body in a front-rear direction and in a lateral direction, a weight of the element, and a position including a height of the element. The element fluctuates a center of gravity of the rigid body. A center-of-gravity inertia value calculation unit calculates information relevant to the center of gravity of the rigid body and an inertia value. A wheel load variation calculation unit calculates variation amounts of wheel loads that each act on a corresponding one of a plurality of wheels supporting the rigid body. A wheel load estimation unit estimates the wheel loads.

Wheel load estimation device

A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.

Active material

A vehicle control device including a motion condition detector detecting motion conditions including a rotational motion and a longitudinal acceleration of a vehicle on which a load is to be loaded, a wheel load acquisition unit acquiring wheel loads of wheels, a loading state acquisition unit acquiring a loading state of the load loaded on the vehicle, an inertia value calculator calculating an inertia value including principal axes of inertia about a center of gravity of the vehicle with the load included, based on the acquired loading state, and a controller performing overturning prevention control that suppresses an increase in difference between the wheel loads of front and rear wheels of the vehicle, using the acquired wheel loads of the wheels, the inertia value, and detection values of the motion conditions.

Vehicle control device and method for controlling vehicle

A method of producing a lithium-ion secondary battery includes the following (α) and (β): (α) preparing a lithium-ion secondary battery, the lithium-ion secondary battery including at least a positive electrode, a negative electrode, and an electrolyte solution; and (β) adding a zwitterionic compound to the electrolyte solution. The negative electrode includes at least a negative electrode active material and a film. The film is formed on a surface of the negative electrode active material. The film contains a lithium compound. The zwitterionic compound contains a phosphonium cation or an ammonium cation and a carboxylate anion in one molecule.

Method of producing lithium-ion secondary battery, lithium-ion secondary battery, and method of using zwitterionic compound

The present disclosure provides a positive electrode active material having a spinel-type crystal structure that can reduce an increase in resistance and a decrease in capacity retention rate due to repeated charging and discharging of a non-aqueous electrolyte secondary battery. The positive electrode active material disclosed herein is configured of a lithium manganese composite oxide having a spinel-type crystal structure, wherein the lithium manganese composite oxide includes secondary particles in which a plurality of primary particles are aggregated, an average particle diameter of the secondary particles based on a SEM image is 10 μm or more and 20 μm or less, an average particle diameter of the primary particles based on a SEM image is 4 μm or more and 8 μm or less, and nickel atoms are provided in the surface layer portion of the secondary particles.

Positive electrode active material and secondary battery provided with positive electrode active material

An inertial navigation device that includes a processor that is configured to: assume a vertical velocity and a lateral velocity of a vehicle to be 0, and estimate a roll angle, a pitch angle and an azimuth angle, which are attitude angles of the vehicle, based on angular velocities and accelerations detected by the inertial measurement device, a longitudinal velocity detected by a vehicle velocity sensor, and an initial value of the azimuth angle of the vehicle, and assume the vertical velocity of the vehicle to be 0, and estimate a current position of the vehicle based on the estimated attitude angles, the angular velocities and the accelerations detected by the inertial measurement device, the longitudinal velocity detected by the vehicle velocity sensor, a steering angle detected by a steering angle sensor, and an initial value of a position of the vehicle.

Inertial navigation device and inertial navigation method

A hybrid vehicle includes a first gear mechanism which transmits the power of the internal combustion engine to the motor generator side, while accelerating the power between the internal combustion engine and the motor generator; a second gear mechanism which transmits the power of the motor generator side to a vehicle drive shaft, while decelerating the power between the motor generator and the vehicle drive shaft; a third gear mechanism which transmits the power of the drive motor side to the vehicle drive shaft, while decelerating the power between the drive motor and the vehicle drive shaft; a clutch mechanism which switches connection and disconnection between the drive shaft of the motor generator and the first gear mechanism or the second gear mechanism; and a control device which controls the clutch mechanism. The motor generator is not connected to both the vehicle drive shaft and the internal combustion engine at the same time at the time of normal traveling.

Hybrid vehicle

An object of the present invention is to further lower the viscosity of a sulfur compound solid electrolyte dispersion paste while suppressing sedimentation of a sulfur compound solid electrolyte. Provided is a sulfur compound solid electrolyte dispersion paste for secondary batteries, containing a dispersion resin (A), a sulfur compound solid electrolyte (B) and a solvent (C), wherein the dispersion resin (A) contains at least one type of acrylic resin (a) having a weight-average molecular weight of 3000 or higher.

Sulfur compound solid electrolyte dispersion paste for secondary batteries, sulfur compound solid electrolyte layer for secondary batteries using same, and all-solid-state secondary battery using same

A series hybrid vehicle is equipped with an engine, a first motor generator, and a second motor generator. The vehicle has a reduction gear that is a first power transmission mechanism for engaging the engine with the first motor generator, a reduction gear that is a second power transmission mechanism for engaging the first motor generator with a vehicle drive shaft, and a clutch that is capable of engaging the first motor generator with one of the two reduction gears in a switching manner. The vehicle further has a transmission that switches between transmission gear ratios and engages the second motor generator with the vehicle drive shaft.

Series hybrid vehicle

Provided is a method for manufacturing an anode active material particle having good lithium ion conducting property and good formability. The method for manufacturing an anode active material includes a first step of making a carbon particle with pores have contact with an ionic liquid having a lithium ion conducting property, and making the ionic liquid flow into the pores, and a second step of washing the carbon particle after the first step, while leaving the ion liquid inside the pores.

Ionic liquid filled porous carbon anode active material and method for manufacturing the same

A method of manufacturing a nonaqueous electrolyte secondary battery includes the following steps of: constructing a battery assembly using a positive electrode, a negative electrode, and a nonaqueous electrolytic solution containing a compound represented by a specific formula; and forming a film on a surface of the positive electrode by charging the battery assembly such that the compound is decomposed. In an embodiment, during the construction of the battery assembly, a content of the compound is adjusted to be 0.1 mass % or more with respect to 100 mass % of a total amount of the nonaqueous electrolytic solution.

Nonaqueous electrolyte secondary battery, method of manufacturing the same, and nonaqueous electrolytic solution

Growing community of inventors

Aichi-ken, Japan

Hiroyuki Yamaguchi