Catalyst Technology Advances
The automotive catalyst industry has improved three-way catalyst performance to over 98% efficiency by utilizing improved formulations, high cell density substrates and layered coating architectures. The new catalyst designs are more durable and thermally resistant, lasting for well over 150,000 miles. Today’s catalysts can be formulated to survive harsh hydrothermal environments found in the exhaust, including temperatures of up to 1100°C in accelerated aging tests. Development work continues to further improve catalyst technology.