Catalysts are the keys to speeding up sluggish reactions that require large amounts of energy. Therefore, analyzing which types of catalysts speed up reactions the most and what their underlying mechanisms are can help us improve efficiency. Catalysts are the keys to speeding up sluggish reactions that require large amounts of energy. Therefore, analyzing which types of catalysts speed up reactions the most and what their underlying mechanisms are can help us improve efficiency. Analytical Chemistry Phys.org – latest science and technology news stories