“…5b). 2,9,14,20,22,36,38,50–59 Meanwhile, the amount of experimentally evolved H 2 and O 2 were in accordance with the theoretical expectation, evidencing the fact that the Ni 3 C/Ni@NF∥Ni 3 C/Ni@NF couple exhibited a faradaic efficiency near 100% for overall water splitting (Fig. S26†).…”