Organic and Inorganic Composite Polymer Electrolyte and All Solid State Battery Comprising the Same

Provided is an organic and inorganic composite polymer electrolyte and an all-solid-state battery including the same, and provided is an organic and inorganic composite polymer electrolyte including a flame-retardant polymer and a flame-retardant inorganic salt with a shear modulus of 7 to 60 GPa, and an all-solid-state battery including the organic and inorganic composite polymer electrolyte.