The safety of redox flow batteries systems employing CN-liganded electrolytes concerns preventing the production of poisonous HCN during operation. Systems are disclosed herein for the detection of parameters under which HCN may be produced when the redox ...

The problem addressed by the present invention is to obtain an electrolyte membrane that, as an electrolyte membrane for a redox flow secondary battery, is able to suppress the ion permeability of an active substance without detracting from proton (H+) per...

A redox flow cell membrane includes a porous membrane (10) that has a mean flow pore size of not more than 100 nm, that has a thickness of not more than 500 µm, and that has an air flow rate of not less than 0.1 ml/s·cm 2 . When the redox flow cell membr...

A fuel cell with multiple independent reaction regions comprises multiple fuel cell units. Each fuel cell unit comprises bipolar plates (10) and a membrane electrode assembly (20) located between the bipolar plates (10). The membrane electrode assembly (20...

An object of the present invention is to provide a humidifying apparatus capable of improving the humidification efficiency while lowering the pressure loss of gas even when a low-pressure gas is used, and is suitably usable for fuel cells. The present inv...

A polymer solid electrolyte type fuel cell is provided capable of preventing chemical deterioration of fuel cell constituent materials such as an ion exchange membrane and the like. An internal electrode 2 is provided in an electrolyte 4 made of a proton c...

The invention provides an electrolyte membrane that allows an operating temperature of a solid polymer membrane fuel cell to be increased, and an operating temperature of a solid oxide fuel cell to be lowered. This electrolyte membrane can be used in a fue...

The polymer electrolyte membrane (PEM) of the present invention charged with a proton conductor in the collimated pores of a polymer film that is equipped with a plurality of such collimated pores in the direction of the film thickness is characterized wit...

A fuel cell unit has a hollow micro-fiber matrix electrolyte, in which the micro-fibers (2) are filament or staple fiber bundles with bonded ends. A fuel cell unit includes a hollow micro-fiber matrix electrolyte, in which the micro-fibers (2) have a wall ...

Conventional redox flow batteries have a shortcoming in that the electrolytes in the positive and negative cells migrate through the membrane over the course of charge and discharge, leading to an increase and decrease in the electrolytes, which substantia...