Graphene-Rich Wrapped Petal-Like Rutile TiO<sub>2</sub> tuned by Carbon Dots for High-Performance Sodium Storage.
basic_science · Level V
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- Record sourced from PubMed, PMID 27573868.
- Also identified by DOI 10.1002/adma.201601621.
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Abstract
Carbon dots inducing petal-like rutile TiO<sub>2</sub> wrapped by ultrathin graphene-rich layers are proposed to fabricate superior anodes for sodium-ion batteries, featuring high-rate capabilities and long-term cyclelife, benefiting from promoted electron transport and a shortened Na<sup>+</sup> diffusion length. High capacities of 144.4 mA h g<sup>-1</sup> (at 837.5 mA g<sup>-1</sup> ) after 1100 cycles and 74.6 mA h g<sup>-1</sup> (at 3350 mA g<sup>-1</sup> ) after 4000 cycles are delivered outstandingly.