the present invention provides a novel hybrid polymer electrolyte , a lithium secondary battery comprising the hybrid polymer electrolyte polymer and their fabrication methods . more particularly , the present invention provides the hybrid polymer electrolyte comprising superfine fibrous porous polymer matrix with particles having diameter of 1 - 3000 nm , polymers and lithium salt - dissolved organic electrolyte solutions incorporated into the porous polymer matrix . the hybrid polymer electrolyte has advantages of better adhesion with electrodes , good mechanical strength , better performance at low and high temperatures , better compatibility with organic electrolytes of a lithium secondary battery and it can be applied to the manufacture of lithium secondary batteries .