An amorphous ultrathin iridium/carbon catalyst realizing efficient electrochemical hydrogen evolution

An amorphous 1.1 nm Ir/C catalyst exhibits ultralow overpotentials of 10 and 64 mV for the hydrogen evolution reaction at current densities of 10 and 100 mA cm(-2), together with 117 A mg(-1) mass activity and outstanding long-term durability, superior to those of the commercial Pt/C catalyst.

Automated summary

An amorphous 1.1 nm Ir/C catalyst shows ultralow overpotentials, high mass activity, and outstanding long-term durability for the hydrogen evolution reaction, surpassing the commercial Pt/C catalyst.