NOVELTY - A material composition comprises plurality of inorganic core nanoparticles, each inorganic core nanoparticles having a capacity to serve as a netpoint for more than 8 polymer chains within polymer network as switching segment, and polymer network bonded to the plurality of inorganic core nanoparticles. The polymer network comprises corona component bonded to each inorganic core nanoparticles through a primary chemical linkage, canopy component bonded to each corona component through secondary chemical linkage, and plurality of crosslinking components.    USE - Material composition is used for battery component e.g. electrolyte and separator for battery e.g. lithium ion battery and lithium metal battery.    ADVANTAGE - The material composition is efficiently manufactured with excellent dimensional stability, shape characteristics, mechanical property and electrochemical property.    DETAILED DESCRIPTION - A material composition comprises a plurality of inorganic core nanoparticles, each inorganic core nanoparticles having a capacity to serve as a netpoint for greater than eight polymer chains within a polymer network as a switching segment, and polymer network bonded to the plurality of inorganic core nanoparticles. The polymer network comprises a corona component bonded to each inorganic core nanoparticles through a primary chemical linkage, a canopy component bonded to each corona component through a secondary chemical linkage, and a plurality of crosslinking components crosslinking between separate canopy components on separate inorganic core nanoparticles through a tertiary chemical linkage. INDEPENDENT CLAIMS are included for the following:    (1) battery component;    (2) battery; and    (3) preparation of material composition, which involves reacting plurality of inorganic core nanoparticles with corona forming material to provide a plurality of surface functional corona bonded inorganic core nanoparticles, reacting plurality of surface functional corona bonded core nanoparticles with canopy forming material to provide plurality of surface functional corona bonded and surface functional canopy bonded inorganic core nanoparticles and reacting plurality of surface functional corona bonded and surface functional canopy bonded inorganic core nanoparticles with a crosslinking material to provide crosslinked surface functional corona bonded and surface functional canopy bonded inorganic core nanoparticles through tertiary chemical linkage.