The present invention relates to a system (32) for ammonia combustion and exhaust gas treatment, the system (32) comprising: an internal combustion engine (30) for combusting ammonia; and an exhaust system (34) comprising an intake (40) for receiving an ex...

A platinum alloy catalyst PtXNb, wherein X is nickel, cobalt, chromium, copper, titanium or manganese, characterised in that in the alloy the atomic percentage of platinum is 46-75at%, of X is 1-49at% and of Nb is 1-35at% is disclosed. The catalyst has par...

The present invention relates to a composite membrane comprising at least one ion-conducting polymer and a network of randomly orientated individual fibres, wherein there is a continuous region of the membrane at one or both of the membrane faces wherein t...

An electrode suitable for use in fuel cells, for example in solid polymer fuel cells, comprises a non-uniform electrode layer and has improved electrochemical performance.