Seungyoung Park, Ziyauddin Khan, Tae Joo Shin, Youngsik Kim, and Hyunhyub Ko*, “Rechargeable Na/Ni Batteries Based on the Ni(OH)2/NiOOH Redox Couple with High Energy Density and Good Cycling Performance“, J. Mater. Chem. A, 2019, 7, 1564. 2019 Journal of Materials Chemistry A HOT papers