Journal
NANO LETTERS
Volume 12, Issue 9, Pages 4988-4991Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl302618s
Keywords
Metal organic framework; alpha-Fe2O3; anode material; lithium ion batteries
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Funding
- Converging Research Center Program through Ministry of Education, Science and Technology in Korea [2012K001251]
- Ministry of Public Safety & Security (MPSS), Republic of Korea [H0301-12-1009] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-50181] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Spindle-like porous alpha-Fe2O3 was prepared from an iron-based metal organic framework (MOF) template. When tested as anode material for lithium batteries (LBs), this spindle-like porous alpha-Fe2O3 shows greatly enhanced performance of Li storage. The particle with a length and width of similar to 0.8 and similar to 0.4 mu m, respectively, was composed of clustered Fe2O3 nanoparticles with sizes of <20 nm. The capacity of the porous alpha-Fe2O3 retained 911 mAh g(-1) after 50 cycles at a rate of 0.2 C. Even when cycled at 10 C, comparable capacity of 424 mAh g(-1) could be achieved.
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