NEGATIVE ELECTRODE MATERIAL IN WHICH NANO-SILICON HAVING MULTI-LAYER GRAPHENE AS CARRIER IS COATED WITH SILICON SUBOXIDE AND AMORPHOUS CARBON LAYER, AND MANUFACTURING METHOD THEREOF

SOLUTION: There is provided a negative electrode material in which nano-silicon having multi-layer graphene as a carrier is coated with a silicon suboxide and an amorphous carbon layer and that includes a multilayer graphene 11 as a carrier, a nano-silicon 12 adsorbed on the multilayer graphene, and...

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Bibliographische Detailangaben
Hauptverfasser: CHEN PO-WEN, LEE PO-HAN, WENG BIING-JYH, GEE CHUEN-MING
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:SOLUTION: There is provided a negative electrode material in which nano-silicon having multi-layer graphene as a carrier is coated with a silicon suboxide and an amorphous carbon layer and that includes a multilayer graphene 11 as a carrier, a nano-silicon 12 adsorbed on the multilayer graphene, and serves as the core together with the multilayer graphene, a silicon suboxide and an amorphous carbon layer 13 covering the multilayer graphene and nanosilicon, and a plurality of buffer holes 14 provided on a negative electrode material to provide a buffer space.EFFECT: A high-quality negative electrode material is manufactured by coating a nano-silicon having multi-layer graphene as a carrier with a silicon suboxide and an amorphous carbon layer.SELECTED DRAWING: Figure 1 【解決手段】キャリアとしての多層グラフェン11と、前記多層グラフェンの上に吸着し、前記多層グラフェンと共にコアとされるナノシリコン12と、前記多層グラフェンとナノシリコンとを被覆する亜酸化シリコン及びアモルファス炭素層13と、緩衝スペースを提供するための、負極材料の上に設けられる複数の緩衝孔14と、を含む多層グラフェンをキャリアとするナノシリコンが亜酸化シリコン及びアモルファス炭素層によって被覆された負極材料を提供する。【効果】多層グラフェンをキャリアとするナノシリコンが、亜酸化シリコン及びアモルファス炭素層によって被覆されることにより、高品質の負極材料が製造される。【選択図】図1