Water-induced formation of an alkali-ion dimer in cryptomelane nanorods

Shaobo Cheng, Vidushi Sharma, Altug S. Poyraz +7

Tunneled metal oxides such as $\alpha -$Mn${}_8$O${}_{16}$ (hollandite) have proven to be compelling candidates for charge-storage materials in high-density batteries. In particular, the tun…