3 years ago

Alloying in an Intercalation Host: Metal Titanium Niobates as Anodes for Rechargeable Alkali-Ion Batteries

Alloying in an Intercalation Host: Metal Titanium Niobates as Anodes for Rechargeable Alkali-Ion Batteries
Diptikanta Swain, Suman Das, Rafael B. Araujo, Aninda J. Bhattacharyya, Songxin Shi, Tayur N. Guru Row, Rajeev Ahuja
Alloying in a layered host is reported as a chemical design strategy for developing anodes for alkali-based batteries. The Al3+/Pb2+/Sb3+/Ba2+/Mg2+ cations present in the interlayer galleries of a layered metal titanium niobate electrochemically alloy with intercalated lithium or sodium ions. Volume changes associated with the alloying reaction are completely tackled by the chemical composition and flexible nature of the layered host. This synergistic approach combining intercalation and alloying mechanisms holds potential for the development of improved electrodes for different types of battery chemistry. More information can be found in the Full Paper by Tayur N. Guru Row, Aninda J. Bhattacharyya et al.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/asia.201701812

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