Fig. 1: Function schematic illustration of FHFP in Li | |LNMO cells.
From: Dynamic doping and interphase stabilization for cobalt-free and high-voltage Lithium metal batteries

a Modification mechanism of FHFP to achieve dynamic doping of Fe at the positive electrode and reduce the structural instability of LNMO caused by Mn dissolution. b Mechanism of CEI and SEI regulation by FHFP. The left is the baseline electrolyte, and the right is the FHFP-modified electrolyte.