The Li0.1B0.967PO4 Li+-conductive coating improves the cyclability and rate performance of Cr3+-doped LiNi0.5Mn1.5O4 high potential cathode.
A cooperative behavior of Zn2+ and Li+ to conduct charges in a Zn-LiFePO4 battery is disclosed. When Li+ dissolves into the electrolyte, Zn2+ would deposit, and vice versa. In light of this cooperative behavior, the battery can be viewed as a super hybrid system, which combines the strong points of Zn-air battery, lithium-ion battery and redox-flow cell.
Here we report a PVDF/PMMA–LiClO4/PVDF sandwiched separator that can only conduct lithium ions rather than protons. With LiMn2O4 and Cr3+ aqueous solution employed as the positive and negative electrodes, respectively, an economic hybrid redox flow battery (HRFB) is fabricated.