JCIPRNET
Silicon nanoparticle-containing hydrogen polysilsesquioxane, calcined product thereof, production method therefor, active material, negative electrode, and lithium ion battery
A silicon nanoparticle-containing hydrogen polysilsesquioxane calcined product to be covered by the invention, represented by general formula SiOx2Hy2 (0.3<x2<1.5, 0.01<y2<0.35), containing 5% by weight to 65% by weight of silicon nanoparticles having a volume-basis mean particle size of more than 10 nanometers and less than 500 nanometers, having a chemical bond between a surface of the silicon nanoparticles and a silicon oxide structure derived from hydrogen polysilsesquioxane, having a Si—H bond, and substantially containing no carbon is silicon oxide applicable to a negative electrode active material for a secondary battery having excellent discharging capacity, initial charging and discharging efficiency and cycle characteristics.
JNC PETROCHEMICAL CORPORATION JNC CORPORATION
H H H H Y H C H C
H01M H01M H01M H01M Y02E H01M C08G H01M C01B
inventional inventional inventional inventional additional inventional inventional inventional inventional
Yoshihito Tetsuro Akira Masakazu Hirotsuna
Takano Kizaki Takahashi Kondo Yamada