A workhorse catalyst of vehicle exhaust systems — an “oxygen sponge” that can soak up oxygen from air and store it for later use in oxidation reactions — may also be a “hydrogen sponge,” scientists have discovered.
A workhorse catalyst of vehicle exhaust systems — an “oxygen sponge” that can soak up oxygen from air and store it for later use in oxidation reactions — may also be a “hydrogen sponge,” scientists have discovered.