PbLi2Ti6O14 is reported as lithium storage material for the first time.
PbLi2Ti6O14 exhibits outstanding cycle and rate performances.
Capacity retention of 87.5% can be retained after 1000 cycles at 1000 mA g−1.
Reversibility of PbLi2Ti6O14 is studied by in-situ and ex-situ methods.