Honda Motor Co., Ltd.

Shigemitsu Akutsu

Noriyuki Abe

Satoyoshi Oya

Kota Kasaoka

Shinji Fujimoto

Masashi Bando

Hirofumi Atarashi

Takashi Kuribayashi

Takeo Fukuda

Yasuo Kitami

Mitsuhiro Takeda

Mitsuo Nakazumi

Yoshio Okada

Kazutaka Kawahara

Hiroyuki Baba

Provide is a solid-state battery capable of reducing the lamination space factor of a solid electrolyte and reducing electrical resistivity. A solid-state battery includes: a laminate including a positive electrode plate and a negative electrode plate that are alternately laminated; and a solid electrolyte layer formed on at least one of a lamination surface of the positive electrode plate and a lamination surface of the negative electrode plate.

Solid-state battery and method of manufacturing solid-state battery

To provide a battery module capable of applying a uniform surface pressure to a stack. Provided is a battery module including: a cell stack in which solid battery cells are stacked; end plates that are disposed at both ends of the cell stack in a stacking direction; and pressurizing plates that are fastened to the end plates on an outer side of the end plates in the stacking direction, the pressurizing plates abutting on the end plates at a plurality of load points.

Battery module

Provided is a battery module which can appropriately pressurize the laminate, absorb displacement of the applied load accompanying charge and discharge of the laminated battery cells during use of the lithium ion battery, and fix pressure plates at ends in the lamination direction of the lithium ion battery laminate to a case. A battery module includes: a cell laminate in which a plurality of battery cells having a power generation element and external body covering the power generation element are laminated; a fastening member which fastens the cell laminate; end plates disposed at both ends in a lamination direction of the cell laminate; a fastening nut which fastens the fastening member and the end plate at an outer side of the cell laminate; a stay fastened by the fastening nut; and a case accommodating the cell laminate, in which the cell laminate is fixed to the case by the stay.

To provide a battery module capable of suitably pressurizing a stack and having high energy density. Provided is a battery module including: a cell stack in which a plurality of battery cells are stacked, the battery cells including power generation elements and exterior bodies that cover the power generation elements, in which first through-holes penetrating through the plurality of battery cells in a stacking direction are provided at center portions of the plurality of battery cells, and a fastening member that fastens the cell stack is disposed in the first through-holes.

A collinear relationship is satisfied in which rotation speeds of first to third rotation elements and rotation speeds of fourth to sixth rotation elements are arranged respectively in this sequence on a single straight line in a collinear diagram. The first and fourth rotation elements are connected with first and second power sources respectively. The second and fifth rotation elements are connected with first and second driven units respectively. The second and sixth rotation elements are connected with each other by a first connecting mechanism in a way that rotating directions thereof are the same, and rotation speed of the former is greater than that of the later. The third and fifth rotation elements are connected with each other by a second connecting mechanism in a way that rotating directions thereof are the same, and rotation speed of the former is greater than that of the later.

Power apparatus

The present invention provides a battery temperature control system having a simple configuration and capable of immediately raising a battery temperature by actively using heat generated by an internal combustion engine. The battery temperature control system includes: an engine cooling circuit in which a coolant in an internal combustion engine is circulated between a coolant jacket and a radiator by a coolant pump; an exhaust heat recovery circuit in which a coolant in an EGR cooler that recovers exhaust heat of the internal combustion engine flows; a battery cooler-destined branch circuit that is branched from the engine cooling circuit and goes toward an upstream side of the battery cooler in the battery cooling circuit; and a channel switching mechanism that selectively connects a downstream side of at least one of the exhaust heat recovery circuit or the battery cooler-destined branch circuit to the upstream side of the battery cooler in the battery cooling circuit.

Battery temperature control system

A hybrid vehicle is driven by a power unit which includes: a first rotating machine including a first rotor, a first stator, and a second rotor, wherein the number of magnetic poles generated by an armature row of the first stator and one of the first rotor and the second rotor are connected to a drive shaft; a power engine, wherein an output shaft of the power engine is connected to the other of the first rotor and the second rotor; a second rotating machine; and a capacitor. The hybrid vehicle includes: a state detector that detects a charge state of the capacitor; and a controller that controls the power unit. The controller controls the output of the power engine, based on a remaining capacity of the capacitor when driving the power engine in order to start the hybrid vehicle. Accordingly, it is possible to achieve reduction in the size and cost of the power unit and enhance the driving efficiency of the power unit.

Hybrid vehicle

A moving apparatus that is capable of properly driving an accessory while preventing driven parts from being driven when the accessory is driven in a state where the driven parts are at rest. In the moving apparatus VE, out of first to third elements S, C, and R configured such that they rotate during transmission of motive power therebetween while maintaining a collinear relationship in rotational speed, the first element S is mechanically connected to a first rotorof a first rotating machine, one of the second and third elements C and R is mechanically connected to an output portionof a prime moverand an input portionof an accessory, and the other of the second and third elements C and R is mechanically connected to driven parts DW and DW.

Moving apparatus

A hybrid vehicle is driven by a power unit which includes: a first rotating machine including a first rotor, a first stator, and a second rotor, wherein the number of magnetic poles generated by an armature row of the first stator and one of the first rotor and the second rotor are connected to a drive shaft; a power engine, wherein an output shaft of the power engine is connected to the other of the first rotor and the second rotor; a second rotating machine; a capacitor; and a transformer that steps up an output voltage of the capacitor. The hybrid vehicle includes: a voltage demand calculator that calculates a voltage demand required for each of the first rotating machine and the second rotating machine in accordance with an operating condition of the hybrid vehicle; a step-up execution determining unit that allows the transformer to step up the voltage, when at least one of the voltage demand of the first rotating machine and the voltage demand of the second rotating machine is higher than a first threshold value; and a controller that controls the transformer in accordance with the result determined by the step-up execution determining unit. Accordingly, it is possible to achieve reduction in the size and cost of the power unit and enhance the driving efficiency of the power unit.

A hybrid vehicle is driven by a power unit which includes: a first rotating machine including a first rotor, a first stator, and a second rotor, wherein the number of magnetic poles generated by an armature row of the first stator and one of the first rotor and the second rotor are connected to a drive shaft; a power engine, wherein an output shaft of the power engine is connected to the other of the first rotor and the second rotor; a second rotating machine; and a capacitor. A traveling mode of the hybrid vehicle includes an EV traveling mode and an ENG traveling mode, wherein the hybrid vehicle travels with a motive power from at least one of the first rotating machine and the second rotating machine in the EV traveling mode, and the hybrid vehicle travels with a motive power from the power engine in ENG traveling mode. The hybrid vehicle includes: an EV traveling mode predicting unit that predicts a switching from the ENG traveling mode to the EV traveling mode; and a controller that controls a remaining capacity of the capacitor in accordance with prediction result obtained by the EV traveling mode predicting unit so as to change a target value of the remaining capacity. Accordingly, it is possible to achieve reduction in the size and cost of the power unit and enhance the driving efficiency of the power unit.

There is provided a power output systemcomprising an internal combustion engine, an electric motorand a transmissionincluding two transmission shaftswhich are connected to the internal combustion engine. The electric motorincludes a stator, a primary rotorand a secondary rotor. The primary rotoris connected to either of the two transmission shafts. The secondary rotoris connected to drive shafts. And, the other transmission shaft of the two transmission shaftstransmits power to the drive shaftswithout involving the electric motor

Power output system

A power plant that is capable of attaining downsizing and reduction of manufacturing costs and enhancing the degree of freedom in design thereof. In the power plant, a first rotating machineincludes a first rotorhaving a predetermined plurality of magnetic poles, a statorthat generates a predetermined plurality of armature magnetic poles to thereby generate a rotating magnetic field, and a second rotorhaving a predetermined plurality of soft magnetic material elements. The ratio between the number of the armature magnetic poles, the number of the magnetic poles, and the number of the soft magnetic material elements is set to 1:m:(1+m)/2 (m&#x2260;1.0). One of the rotorsandis mechanically connected to an output portionof a heat engine, and the other of the rotorsandand a rotorof a second rotating machineare mechanically connected to driven parts DW and DW. Further, in starting the heat engine, when the rotational speed of the output portionis not lower than a first predetermined value NEST, the heat engineis started in a state where the rotational speed of the output portionis not increased.

Power plant

A power plant which is capable of improving the drive efficiency and the power generation efficiency thereof when the electric power is generated using the power of a driven part thereof. A power plant has an internal combustion engine having a crankshaft, and a rotary motor having a rotor. A planetary gear train includes a sun gear, a ring gear, and a carrier rotatably supporting a planetary gear in mesh with the sun gear and the ring gear. The sun gear and the ring gear are connected to drive wheels. The carrier is connected to the crankshaft. The rotor is connected between one of the sun gear and the ring gear and the drive wheels. A transmission is connected between the other of the gears and the drive wheels, for varying a speed of power of the engine and transmitting the power to the drive wheels.

A power plant which is capable of enhancing the driving efficiency and the power-generating efficiency thereof. A rotating machine includes a first rotor having a magnetic pole row that has each two adjacent magnetic poles, a stator having an armature row that is disposed in a manner opposed to the magnetic pole row, for generating a rotating magnetic field between the armature row and the magnetic pole row by a predetermined plurality of armature magnetic poles, and a second rotor having a soft magnetic material element row that is formed by a plurality of soft magnetic material elements arranged in a manner spaced from each other. The ratio between the number of the armature magnetic poles, the number of the magnetic poles, and the number of the soft magnetic material elements is set to 1:m:(1+m)/2 (m&#x2260;1.0).

A power plant which is capable of reducing the size and costs thereof and attaining high driving efficiency. In the power plant, the ratio between the number of first armature magnetic poles that form a first rotating magnetic field generated by a first statorof a first rotating machine, the number of first magnetic polesof a first rotor, and the number of first soft magnetic material elementsof a second rotordisposed between the twoandis set to 1:m:(1+m)/2 (m&#x2260;1.0), and the ratio between the number of second armature magnetic poles that form a second rotating magnetic field generated by a second statorof a second rotating machine, the number of second magnetic polesof a third rotor, and the number of second soft magnetic material elementsof a fourth rotordisposed between the twoandis set to 1:n:(1+n)/2 (n&#x2260;1.0). The two statorsandare connected to each other. The first and fourth rotorsandare connected to driven parts DW and DW, and the second and third rotorsandare connected to an output portionof a heat engine

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Saitama-ken, Japan

Shigemitsu Akutsu