Fujitsu Corporation

Kensuke Yoshida

Tamotsu Yamamoto

Masami Tsutsumi

Tsutomu Tanaka

Hiroaki Yoshida

Fumio Takei

Masaaki Sasa

Tomochika Kurita

Seiji Hibino

Yasuhiro Yoneda

Tsutomu Miyashita

Hiroshi Horiuchi

Katsusada Motoyoshi

Isao Watanabe

Nawalage Florence Cooray

Yukiko Wakino

Yoichi Takasu

Youichi Takasu

An uninterruptible power-supply apparatus has a storage battery including a first electrode and a second electrode, an output cable configured to output a discharge current of the storage battery to an external power line to be a backup target, and a first connection portion configured to externally take out a voltage of the first electrode.

Uninterruptible power-supply apparatus and method of using the same

An information processing system includes: a plurality of information processing devices; a plurality of power storage devices configured to supply DC power to any of the plurality of information processing devices; a plurality power source devices configured to supply DC power to the plurality of power storage devices; and an arithmetic unit configured to, in accordance with the charged state of any of the plurality of power storage devices and a task to be processed by the information processing device to which DC power is supplied from the power storage device, allocating the task to be processed by the information processing device to an information processing device to which DC power is not supplied from the power storage device.

Information processing system, uninterruptible power system, and method for controlling allocation of processing

To provide an electrolyte solution, which contains an electrolyte compound, a molecular structure of which contains a molecular chain containing a repeating unit of alkylene oxide, and contains quaternary ammonium cations at both terminals of the molecular chain.

Electrolyte solution and electric energy storing device using electrolyte solution

A measuring method of a battery includes the step of measuring frequency characteristics of an internal impedance of the battery by an AC impedance method, and determining a parameter of an element representing ease of mobility of charges on a surface of a positive electrode of the battery and that of an element representing the ease of mobility of charges on the surface of a negative electrode.

Method of measuring characteristics regarding safety of battery

In the present invention, a material having a structure represented by formula (1) or (2) (wherein W equals N or C) is used as a solid electrolyte for a fuel cell. An electrolyte membrane having a small fuel crossover and a fuel cell having excellent ion conductivity and service capacity are obtained. 

Redox fuel cell using methanol

Back pressure is applied to a liquid fuel stored in a fuel storage unit by a pressure application unit, and a liquid fuel vaporization membrane that vaporizes the liquid fuel to thereby supply the vaporized fuel gas to an anode is formed by a nonporous membrane. Backed by this, the liquid fuel can be prevented from leaking out to the anode, so that the concentration of the liquid fuel can be increased to an optimum level.

Fuel cell

A method for producing a catalyst for a fuel cell is provided which is capable of improving output characteristics of the fuel cell. Metal fine particles making up the catalyst for the fuel cell to be used as a fuel electrode and air electrode are formed by reducing platinum salt with molybdenum carbonyl. The catalyst for the fuel cell is formed by supporting platinum-molybdenum fine particles on carbon particles. By employing this reducing method, platinum-molybdenum fine particles being small in size and high in dispersibility can be obtained, making the catalyst for the fuel cell highly active. By constructing the fuel and air electrodes using the catalyst for the fuel cell, high outputs from the fuel cell are made possible.

Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell

A lithium secondary battery includes a cathode which can be dischargeably charged with lithium ions, an anode made of lithium metal, a lithium alloy or any other anode material which can be releasably doped with lithium ions, and an electrolyte which allows migration of lithium ions between both electrodes. The cathode contains a halogen compound which releases halogen atoms, halogen ions or a reactive halogen-containing substance for reacting with the anode, thereby deactivating the anode to prevent excessive heat generation before oxygen released from the cathode due to a temperature rise reacts with the anode.

Growing community of inventors

Kawasaki, Japan

Kensuke Yoshida