Ultrathin nanosheets of Li2MSiO4 (M = Fe, Mn) as high-capacity Li-ion battery electrode.
basic_science · Level V
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- Record sourced from PubMed, PMID 22332722.
- Also identified by DOI 10.1021/nl202681b.
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Abstract
Novel ultrathin Li(2)MnSiO(4) nanosheets have been prepared in a rapid one pot supercritical fluid synthesis method. Nanosheets structured cathode material exhibits a discharge capacity of ~340 mAh/g at 45 ± 5 °C. This result shows two lithium extraction/insertion performances with good cycle ability without any structural instability up to 20 cycles. The two-dimensional nanosheets structure enables us to overcome structural instability problem in the lithium metal silicate based cathode materials and allows successful insertion/extraction of two complete lithium ions.
Medical subject headings
- Electric Power Supplies
- Electrodes
- Lithium
- Lithium Compounds
- Manganese
- Membranes, Artificial
- Nanostructures
- Oxides
- Sulfates