Although Li2FeSiO4 has the theoretical possibility to de-intercalate reversibly two Li+ from its structure (ca. 332 mAh g(-1)), the slow electronic/Li+ transports and poor capacity retention severely limit its potential application in advanced lithium ion batteries. Herein, to address such issues, a triple phase (1-x-y) Li2FeSiO4 center dot xLiFeBO(3)center dot yLiFePO(4) (denoted as (1-x-y) LFS center dot xLFB center dot yLFP) hybrid with a nested nanostructure is first synthesized through an in-situ sol-gel method. Compared with the pristine LFS, 0.92LFS.0.04LFB.0.04LFP exhibits greatly improved electrochemical performance (258.7 mAhg(-1), 0.1 C, 1.5-4.8 V, equivalent to 1.56 Li+ intercalation) due to low charge transfer impedance and Li+ diffusion energy barrier. Meanwhile, the participation of LFP avoids the instability of LFSIFB structures in the air. It also demonstrates that LFP and LFB can enhance the electronic/Li+ transport efficiency and cycling retention, and shed lights on the further searching for suitable dopants for Li-ion batteries.