The complete chloroplast genome sequence of medicinal plant (Compositae).

The complete chloroplast genome sequence of (L.) A. Braun et Aschers (Compositae) has been characterized by Illumina pair-end sequencing.

Trace fluorinated-carbon-nanotube-induced lithium dendrite elimination for high-performance lithium-oxygen cells.

Lithium metal has attracted considerable attention due to its ultrahigh theoretical capacity. Nevertheless, issues such as dendritic Li formation and instability of the Li metal/electrolyte interface still restrain its practical applications. In this work, we design a Li composite anode with fluorinated carbon nanotubes (FCNT) fabricated by a simple melting-soaking method.

Dendrite-Free Fluorinated Graphene/Lithium Anodes Enabling in Situ LiF Formation for High-Performance Lithium-Oxygen Cells.

Metallic Li is considered as the ultimate choice of negative electrodes for Li batteries because of its largest theoretical specific capacity. However, formidable issues such as poor safety and cyclability caused by lithium dendrite growth and tremendous interfacial side reactions have strictly hindered its practical applications. Here, we report a fluorinated graphene (FG)-modified Li negative electrode (LFG) for high-performance lithium-oxygen (Li-O) cells.

Unexpected Low-Temperature Performance of Li-O Cells with Inhibited Side Reactions.

In this work, we found that the side reactions of both the Li anode and cathode with the electrolyte can be obviously alleviated at low temperature. This favorable merit enables long cycle life of the Li-O cells at low temperature. At 0 °C, the cells can sustain stable cycling of 279 and 1025 cycles at 400 mA g with limited capacities of 1000 and 500 mA h g, respectively.