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Amorphous Tin Oxide Nanohelix Structures as an Anode for Highly Efficient Na-ion Batteries
최일용,조창신,임원광,채병규,박찬경,최원용,이진우,김종규 한국공업화학회 2018 한국공업화학회 연구논문 초록집 Vol.2018 No.0
Amorphous tin oxide (a-SnOx) nanohelix (NH) structures as an anode for Na-ion batteries are fabricated on copper foil by oblique angle deposition method using electron beam evaporation without any additives. With freely controlling the degree of crystallinity, three-dimensional NH structures have high porosity, high aspect ratio and large surface area to result in remarkable reversible specific capacity and stability for volume expansion. The reaction mechanism issues as well as more fundamental advantages of a-SnOx NH structures as an anode for efficient Na-ion batteries will be discussed in detail.