A redox flow battery includes a cell arrangement and a measuring apparatus for determining the charging state. The measuring apparatus comprises includes a hydraulic connecting line which connects the first tank to the second tank so that there is a perman...

A vanadium-chromium electrolyte, a method for preparing the same, and a redox flow battery composed thereof are provided. The vanadium-chromium electrolyte includes active substances and a free acid, the free acid acts as a proton conductive agent after io...

The invention relates to provides a method for operating an iron salt battery, ISB, device, the ISB device comprising an ISB cell or a stack of ISB cells, a positive tank containing a positive electrolyte and a negative tank containing negative electrolyte...

A fuel battery system of the present invention includes: an alkaline fuel battery (101); a fuel supply device (103) for supplying a fuel to an anode of the fuel battery; an oxidizing agent supply device (108) for supplying an oxidizing agent to a cathode o...

A fuel cell system that is capable of handling gasified fuel in an aqueous solution tank includes an aqueous solution tank which holds fuel aqueous solution, a fuel cell including an anode supplied with the fuel aqueous solution from the aqueous solution t...

A fuel cell system including a fuel cell, constructed as an integrated stack comprising a laminate, produced by stacking a plurality of cells (3a &tilde& 3h) between two end plates (5a,5b), and a fuel supply device (31,32) for supplying fuel to the fuel ce...

The fuel cartridge [180] is cylindrical and contains fluid for use in a fuel cell. On the side of the cartridge is a fluid connecting port [110] that engages a connector on the equipment, eg a computer, body. The unit is fixed to the equipment using a latc...

The invention provides an operating method of a redox flow battery capable of grasping a charging state of the battery more reliably to stabilize an output capacity of the battery. The method is for operating the redox flow battery comprising a cell stack ...

A fuel cell system in accordance with a present invention includes a fuel cell (102) including at least one anode (106) and a fuel supply apparatus (118) that supplies a plurality of fuel droplets (120).