Honda Giken Kogyo Kabushiki Kaisha

Honda Motor Co., Ltd.

Other

Kuraray Chemical Co., Ltd.

Kashima Oil Co., Ltd.

Awa Paper Mfg. Co., Ltd.

Mahle Tennex Corporation

Minoru Noguchi

Eisuke Komazawa

Takeshi Fujino

Naohiko Oki

Shigeki Oyama

Kenji Sato

Mitsuaki Hirakawa

Manabu Iwaida

Atsushi Demachi

Takahiro Takeshita

Hiroto Kobayashi

Michio Okamura

Kenichi Murakami

Yasuhiro Matsumoto

Akinori Mogami

Naomasa Kimura

Kohichi Miyashita

Takashi Higono

Kazuhiro Araki

Masayuki Nishiguchi

Takamichi Shimada

Naohiro Sonobe

Morinobu Endo

Kenji Matsumoto

Aisaku Nagai

Yoshio Yamamoto

Shushi Nishimura

Naoki Maruno

Tatsuya Suzuki

Takashi Maeda

Yoshifumi Egawa

Nozomu Sugo

Byoungju Lee

Tomokazu Shohoji

Kazuo Andou

Naoya Watanabe

Kazuma Inoue

Yuji Kawabuchi

Kouji Yamazaki

Tomoyuki Aita

Hiroshi Nagao

Michio Matsuda

Makoto Ue

Yasushi Ohura

Akiko Toriumi

Kazuo Ando

Takahiro Haga

Mitsutoshi Suzuki

Kazuhiko Yanagi

Morinobu Endoh

A vehicle includes: a secondary battery configured to supply electric power for travel driving; a first communication unit configured to communicate with a server device and uploads information on the state of the secondary battery to the server device; a display unit configured to display images; and a display control unit configured to cause the display unit to display an image in which a deterioration degree of the secondary battery with respect to a mileage or the number of years run with respect to the vehicle can be compared with the result of statistically processing the deterioration degree of the secondary batteries with respect to a mileage or the number of years run with respect to other vehicles on the basis of the information that the first communication unit has received from the server device.

Vehicle, server device, display control method, and program

The present invention provides a fuel cell vehicle capable of displaying information with high usability to a driver or the like in view of appropriately planning a task related to the fuel cell vehicle. A second indicator (I) displays an available electric power supply of a fuel cell (), a capacitor () and a second cell (), respectively. A third indicator (I) displays a remained fuel amount. A fourth indicator (I) displays a charge amount of the capacitor () and the second cell (), respectively.

Fuel cell vehicle

A fuel cell power supply includes a fuel cell voltage detection means which detects a terminal-to-terminal voltage of the fuel cell; an internal resistance calculation element configured to supply electric power from a battery to a motor via a second DC-DC converter and configured to calculates a resistance value of an internal resistance of the fuel cell on the basis of a detection voltage of the fuel cell in a state where a current output of the fuel cell is stopped, a detection voltage of a terminal-to-terminal voltage of the fuel cell in a state where the output current of the fuel cell is adjusted to a value, and the value; and a deterioration level determination element configured to determines a deterioration level of the fuel cell on the basis of a change in the resistance value of the internal resistance of the fuel cell.

Fuel cell power supply

Provided is a power system capable of supplying power steadily to the outside even at a low temperature. A power supply unit disposed in the power system is configured to calculate an amount of power needed to heat a fuel cell to a temperature threshold when the temperature thereof measured by an FC sensor is below the temperature threshold, set an SOC lower limit by adding the calculated amount of power to a discharge threshold of a secondary battery, and control the power supply to a first power supply portion in the range of the SOC lower limit.

Power system including power supply controlling unit with temperature control

The present invention provides a polarized electrodecontaining mixed activated carbon composed of at least two activated carbons with different specific surface areas, and the specific surface area of the mixed activated carbon is not less than 900 m/g and less than 1900 m/g. By setting the specific surface area of the mixed activated carbon to less than 1900 m/g, the resistance reduction ratio of the polarized electroderapidly increases.

Polarized electrode and electric double-layer capacitor

It is an object of the present invention to provide a fuel cell power supply device that can realize a reduction in size and improvement of durability of an accumulating unit while maintaining output performance that is applicable when large output is requested. The fuel cell power supply device includes: an output judging unitthat judges whether the output of a fuel cellis equal to or higher than a predetermined level with respect to electric power requested by a load; and a power-supply controlling unitthat limits, when it is not judged that the output of the fuel cellis equal to or higher than the predetermined level, the output of an accumulating unitto be equal to or smaller than a first output limit value for allowing continuous output in first output time an limits, when it is judged that the output of the fuel cellis equal to or higher than the predetermined level, within second output time shorter than the first output time, the output of the accumulating unitto be equal to or smaller than a second output limit value, which is larger than the first output limit value, for allowing continuous output in the second output time.

Fuel cell power supply device

An electric bower supply system includes a power supply controlling element () configured to switch a plug-out power supply which supplies electric power () from a fuel cell () or a battery () to a house () and a plug-in power supply which supplies electric power from a commercial power source () disposed in the house () to a fuel cell vehicle () on the basis of a vehicular power state of the fuel cell () and the battery () detected by a vehicular power state detecting element () and a household power state of the commercial power source () detected by a household power state detecting element () when a receptacle () of the fuel cell vehicle () and an outlet () of the commercial power source () have been connected by a power cable ().

Electric power supply system between vehicle and house

A power supply system includes a fuel cell, a capacitor connected in parallel to the fuel cell, a voltage boost means for boosting output voltages from the fuel cell and the capacitor to supply the electric motor with electric power resulting from the boosted voltages, a voltage control means for further boosting an output voltage from the voltage boost means, a secondary battery connected to the voltage control means, an external power source connecting means connected to the one end of the voltage boost means and in parallel with the fuel cell and for receiving supply of electric power from an external power source, and an electronic control unit which charges the secondary battery from the external power source by controlling step-up ratios of the voltage boost means and the voltage control means such that a voltage applied to the secondary battery during the charging becomes a desired voltage.

Power supply system

A vehicle is described that can efficiently cool or heat a group of components, in view of appropriate operating temperature ranges of respective components configuring a fuel cell power supply system, while realizing saving of a mounting space in the vehicle and cost of the vehicle. The vehicle mounted with a fuel cell power supply system includes at least a fuel cell, and an accumulating unit includes a capacitor and a secondary battery connected to the fuel cell. A motor serves as a power source for the vehicle to which output sections of the fuel cell and the accumulating unit are connected. A PDU provided between the output sections and the motor. A component group of the power supply system, including the fuel cell, the accumulating unit, and the PDU, is cooled by a cooling medium which flows inside the vehicle, in order from one having a lowest heating generation amount.

Vehicle mounted with fuel cell power supply system

A vehicle power supply device which prevents a lack of power supply to the motor and insufficient recovery of regenerative electric power of the motor at the time of switching between power running and regeneration. First input-output sections () of a first DC-DC converter () are connected to second input-output sections () of a PDU (), second input-output sections () of the first DC-DC converter () are connected to a fuel cell () and a capacitor (), first input-output sections () of a second DC-DC converter () are connected to second input-output sections () of the PDU (), and second input-output sections () of the second DC-DC converter () are connected to a lithium-ion battery (). A voltage control means () places the first DC-DC converter () or the second DC-DC converter () in a direct connection state and controls an output voltage of the other DC-DC converter according to an output voltage of the DC-DC converter placed in the direct connection state during the power running of the motor () and during regeneration thereof.

Vehicle power supply device

A fuel cell power supply device capable of externally supplying electric power in a stable manner is provided. The fuel cell power supply device includes a fuel cell (), a capacitor () connected in parallel to the fuel cell, a voltage boosting means () having an input unit connected in parallel to the fuel cell and the capacitor and an output unit connected to a load (M), and for boosting the output voltages of the fuel cell and the capacitor to supply electric power by the boosted voltages to the load, a secondary battery () connected to the output unit of the voltage boosting means via a voltage conversion means (), a first electric power supply unit () connected in parallel to the fuel cell and the capacitor and capable of externally supplying electric power, and an electric power supply control means () for controlling supply of electric power from the fuel cell, the capacitor, and the secondary battery to the first electric power supply unit, based on the output of the fuel cell and the charge levels of the capacitor and the secondary battery, in a range where the charge level of the capacitor is not lower than its discharge threshold value and the charge level of the secondary battery is not lower than its discharge threshold value.

A power supply device for vehicles, output units () thereof are connected to a motor (), includes a fuel cell () which is connected to the output units (), a capacitor () which is connected in parallel to the fuel cell (), a lithium ion battery () which is connected in parallel to the capacitor () through a DC/DC converter (), and a current control means () which limits an output current of the lithium ion battery () to at most an output upper-limit current (Ibout_lmt) when power is supplied to the motor () from the lithium ion battery () during a power running operation of the motor (), and limits an input current into the lithium ion battery () to at most an input upper-limit current smaller than the output upper-limit current (Ibin_lmt) through the DC/DC converter () when regenerative power of the motor () is recovered into the lithium ion battery () during a regenerative operation of the motor ().

Power supply device for vehicles

A vehicle suitable in consideration of each of an electric power supply amount to a motor and a mounting space of a fuel cell or the like is provided. The outputs of a fuel cell and a battery are raised in voltage by a voltage raising device, and electric power of these raised voltages is supplied to a motor. A total output voltage of the fuel cell and the battery, and their total volume can be correspondingly reduced. The total volume of a group is reduced including the fuel cell, the battery and the voltage raising device, and a mounting space of the group in the vehicle. A space of a frame on an upper side of a floor panel and a lower side of a seat in a vehicle interior space can be utilized effectively as the mounting space of the group, without enlarging the space of the frame.

Vehicle

To produce activated carbon for an electrode of an electric double-layer capacitor, the following steps are carried out sequentially: a step of subjecting a massive mesophase pitch to a pulverizing treatment to provide a pulverized powder; a step of subjecting the pulverized powder to an infusibilizing treatment under conditions of a temperature in a range of 300&#xb0; C. (inclusive) to 450&#xb0; C. (inclusive) in the atmospheric air current, a step of subjecting the pulverized powder to a carbonizing treatment under conditions of a temperature in a range of 600&#xb0; C. (inclusive) to 900&#xb0; C. (inclusive) in an inert gas current to provide a carbonized powder, a step of subjecting the carbonized powder to an alkali activating treatment under conditions of a temperature in a range of 500&#xb0; C. (inclusive) to 1,000&#xb0; C. (inclusive) in an inert gas atmosphere, followed by the post treatments, thereby producing alkali-activated carbon, and a step of subjecting the alkali-activated carbon to a pulverizing treatment. If an electrode is produced using the activated carbon, the electrode density can be increased.

Method for producing activated carbon for electrode of electric double-layer capacitor

In an electric double-layer capacitor, a solution of a quaternary ammonium borofluoride compound in propylene carbonate is used as an electrolyte. The electrode includes alkali-activated carbon made using meso-phase pitch as a starting material, and a conductive filler having a rest potential smaller than that of the alkali-activated carbon in the electrolyte. The amount Fc of conductive filler incorporated in the electrode is set in a range of 10% by weight&#x2266;Fc&#x2266;40% by weight. Such electric double-layer capacitor has a large electrostatic capacity and excellent durability.

Electrode for electric double-layer capacitor, and slurry for forming the same

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Wako, Japan

Minoru Noguchi