About 80 results
https://drivepatents.com/patents/1079111 · 23 Mar 2005
A ZnSe based light emitting device enabling longer lifetime is provided. The light emitting device is formed on a compound semiconductor, includes an active layer (4) positioned between an n-type ZnMgSSe cladding layer (3) and a p-type ZnMgSSe cladding lay...
https://drivepatents.com/patents/1083972 · 15 Sep 2004
A porous member is proposed which can be used as a gas diffusion electrode/separator of a proton exchange membrane fuel cell, is inexpensive and has superior long-term reliability, has low voltage loss when used as an electrode, and makes it possible to im...
https://drivepatents.com/patents/1085193 · 4 Aug 2004
A producing method of a porous SiNhaving high porosity and formed of SiNparticles having a high aspect ratio includes the following steps. A compound of a rare earth element as a first sintering agent is mixed in an amount of 7.5-45 parts by mass, in terms...
https://drivepatents.com/patents/1087679 · 28 Apr 2004
A method of operating a power supply system, and a power supply system, that serve to achieve efficient operation of power generating units and reduce operating time, are provided. [0002] In a method of operating a power supply system in which a secondary ...
https://drivepatents.com/patents/1087685 · 28 Apr 2004
A power storage device (non-aqueous electrolyte battery) 1 is constituted of a power generation unit 40 including an anode 10, a cathode 20, and an electrolyte (non-electrolyte) 30, a sealing bag 50 enclosing the power generation unit, an anode lead 12, an...
https://drivepatents.com/patents/1087946 · 21 Apr 2004
A cell stack for redox flow cells the reliability of which is enhanced for a long time without adhering a dipolar plate and an electrode. The cell stack (1) for redox flow cells is a laminate of cell frames (2), electrodes (3, 4), and diaphragms (5). The c...
https://drivepatents.com/patents/1087947 · 21 Apr 2004
A cell frame for a redox flow cell capable of preventing electrolyte from leaking to the outside thereof and having an excellent workability for assembly of the redox flow cell and the redox flow cell using the cell frame, the cell frame (30) for the redox...
https://drivepatents.com/patents/1088354 · 7 Apr 2004
An electrolyte, which suppresses a decrease in the cell efficiency and in the capacity with repetition a charge/discharge cycle of the cell, has an NH 4content of 20 ppm or less and a quantity of Si concentration (ppm) x the amount of electrolyte (M 3>)/el...
https://drivepatents.com/patents/1088358 · 7 Apr 2004
Cell frame for a redox flow cell has a dipole plate and a frame attached to the periphery of the dipole plate. The frame >=50 weight% of vinyl chloride, and the dipole plate is a conductive plastic containing 40-90 weight% graphite and 10-60 weight% chlori...
https://drivepatents.com/patents/1090093 · 28 Jan 2004
The invention provides a secondary battery system that allows a high overload operation regardless of discharging condition during a steady operation, and an operating method thereof. The secondary battery system comprises first tanks 31, 32 for reserving ...