One-step synthesis of 3D N-doped graphene supported metal oxide for high performance Li-S battery
Source abstract
Abstract
Abstract The 3D N-doped graphene supported metal oxide has been synthesized as the sulfur host of Lithium-sulfur battery. A simple method of nanoparticles in-situ grown in aqueous solution is introduced. The SEM images and XRD spectra confirmed that nanoparticles with few tens of nanometers distributed on the surface of graphene sheet. The compound electrode showed an initial specific capacity of 1518 mA h g−1 at 0.2 C with a sulfur utilization of 90%. During 700 cycles, the capacity decay was only 0.03% per cycle. Even at a high rate of 2 C, the specific capacity can still be achieved 595 mA h g−1. The visual charge-discharge test showed that the composite electrode had strong adsorption effect on polysulfide vividly.
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Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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