Solid State Chemistry Towards All-Solid-State Batteries

Solid State Chemistry Towards All-Solid-State Batteries

Solid state (ceramic) electrolytes exhibiting fast ion and mixed ionic and electronic conduction are being considered for application in solid oxide fuel cells (SOFCs), proton conducting SOFCs, all-solid-state batteries and gas sensors. The functional properties of solids depend on crystal structure and composition. The key requirements for useful ceramic electrolytes are high ionic and negligible electronic conductivity over the employed range of activity of the mobile species, and chemical stability against reaction with the adjacent cell components. Thangadurai group has developed several novel electrolytes and electrodes for next generation all-solid-state Li batteries.^1-4 In this talk, current development of materials for all-solid-state Li ion batteries will be discussed.

References

• V. Thangadurai, S. Narayanan, and D. Pinzaru, “Garnet-type Solid-State Fast Li ion Conductors for Li Batteries: Critical Review,” Chem. Soc. Rev., 43, 4714–4727 (2014).
• S. Narayanan, F. Ramezanipour, and V. Thangadurai, “Dopant Concentration – Porosity−Li-Ion Conductivity Relationship in Garnet-Type Li_5+2xLa₃Ta_2−xY_xO₁₂ (0.05 ≤ x ≤ 0.75) and Their Stability in Water and 1 M LiCl,” Inorg. Chem., 54(14), 6968-6977 (2015).
• X. Han, Y. Gong, K. Fu, X. He, G. T. Hitz, J. Dai, A. Pearse, B. Liu, H. Wang, G.Rubloff, Y. Mo, V. Thangadurai, E. D. Wachsman and L. Hu, Negating interfacial impedance in garnet-based solid-state Li metal batteries, Nature Materials 16, 572–579 (2017).
• M. Zarabian, M. Bartolini, P. Pereira-Almao, and V. Thangadurai, “X-ray Photoelectron Spectroscopy and AC Impedance Spectroscopy Studies of Li-La-Zr-O Solid Electrolyte Thin Film/LiCoO₂ Cathode Interface for All-Solid-State Li Batteries,” J. Electrochem. Soc., 164 (6) A1133-A1139 (2017).