About 24 results
https://drivepatents.com/patents/990956 · 8 May 2013
The installation (100) has a primary unit (110) to generate thermal energy from renewable energy, and a water tank (109) arranged to store thermal energy supplied by the primary unit. A secondary unit (117) generates thermal energy, and a control unit (113...
https://drivepatents.com/patents/990907 · 8 May 2013
The method involves reducing an output current (Ifc) of a fuel cell (2) when a battery voltage (Ubat) exceeds a first predetermined critical value. The pressure in the fuel cell is reduced if the output current falls below a second predetermined critical v...
https://drivepatents.com/patents/985783 · 6 Mar 2013
The fuel cell system includes: - at least one fuel cell adapted to generate electrical energy from a fuel gas and an oxidizer gas; - a fuel feed duct (11) provided for supplying the fuel cell with fuel gas, the fuel feed duct including an upstream part (11...
https://drivepatents.com/patents/985971 · 20 Feb 2013
The installation (1) has a solar panel (3) for generating electricity from renewable energy, and a storage unit (5) e.g. battery, for storing electrical energy. An electric car (11) is connected to the installation for using the stored energy. A distributi...
https://drivepatents.com/patents/993803 · 16 Jan 2013
The present invention relates to a housing assembly for at least two fuel cells, comprising: - a hollow profile-like body (12) extending in an axial direction (z) and being adapted to laterally encompass at least two fuel cells stacked on one another in ax...
https://drivepatents.com/patents/994020 · 9 Jan 2013
Described is an electrode active material for an electrochemical cell, said electrode active material being a borate (BO 3 ) compound of formula : A a M b O d (BO 3 ) c wherein: - "A" is at least one alkali metal selected from Li, Na, K ; and 0‰¤ a ‰...
https://drivepatents.com/patents/995375 · 5 Dec 2012
The method involves supplying fuel and oxidizing gas to electrochemical cells. A set point representative of variable load (8) is defined, and fuel pressure and oxidizing gas pressure in a fuel cell stack (2) of a hybrid system (1) are monitored. The press...
https://drivepatents.com/patents/1001151 · 20 Jun 2012
The micro-inverter (100) has a first decoupling unit (104) connected in parallel to output terminals (102, 103) of a solar panel (101). Two units of four control units (105, 106, 107, 108) are galvanically isolated from each other. Each control unit is con...
https://drivepatents.com/patents/1001851 · 30 May 2012
The system (100) has a differential amplifier (114) connected by inputs to terminals of each of a set of electrochemical units (102), to supply the voltage representative of potential difference between the terminals, where the representative voltage is se...
https://drivepatents.com/patents/1002990 · 25 Apr 2012
Described is an electrode comprising and preferably consisting of electronically active material (EAM) in nanoparticulate form and a matrix, said matrix consisting of a pyrolization product with therein incorporated graphene flakes and optionally an ionic ...