Microwave Synthesis of SnO2/Fe2O3 Nanocomposites for Lithium-Ion Batteries

Autor:	Haruo Ishizaki, Masashi Yoshinaga, Norihito Kijima, Junji Akimoto
Rok vydání:	2013
Předmět:	Electrode material Nanocomposite Materials science Mechanical Engineering chemistry.chemical_element Nanotechnology Redox Lithium-ion battery Ion symbols.namesake chemistry Chemical engineering Mechanics of Materials symbols General Materials Science Lithium Raman spectroscopy Microwave
Zdroj:	Key Engineering Materials. 566:103-106
ISSN:	1662-9795
DOI:	10.4028/www.scientific.net/kem.566.103
Popis:	SnO2/Fe2O3nanocomposites were successfully synthesized by microwave heating. SEM-EDX and XRD analyses and Raman spectroscopy revealed that nanosized SnO2was deposited on rod-shaped α-Fe2O3crystals. The SnO2/Fe2O3nanocomposites worked as a rechargeable electrode material. The initial insertion capacity of the SnO2/Fe2O3nanocomposites achieved 1522 mAh/g that is larger than the theoretical capacity, and the rechargeable capacity at 10 cycles was 862 mAh/g. The initial charge-discharge reaction of the SnO2/Fe2O3nanocomposites was caused by the redox reactions of SnO2and Fe2O3and alloying-dealloying reaction of Sn with Li.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f3db6d8ff819f7f8ff90d2c771e417db https://doi.org/10.4028/www.scientific.net/kem.566.103 Zobrazit plný text záznamu