Fig. 2

(a) XPS wide scan survey of powder extracted from spent battery waste, narrow scan survey of (b) Mn 2p, (c) Zn 2p, (d) O 1s, and (e) C 1s.

(a) XPS wide scan survey of powder extracted from spent battery waste, narrow scan survey of (b) Mn 2p, (c) Zn 2p, (d) O 1s, and (e) C 1s.