SnO2@reduced graphene oxide composite for high performance lithium-ion battery
Source abstract
Abstract
SnO2@reduced graphene oxide nanocomposite (SGNC) was fabricated via a colloid electrostatic self-assembly process between the graphene oxide (GO) nanosheets and Sn(OH)4 colloid nanoparticles (NPs), following a heat-treatment at 550 °C for 2 h under N2. Transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM) showed the tiny multi-crystalline SnO2 NPs (≤5 nm) dispersed onto reduced graphene oxide (rGO) sheets uniformly. The electrochemical properties of SGNC were investigated for a potential anode material in lithium-ion battery (LIB). SGNC showed a high specific capacity of 1710.8 mA h g−1 in the initial discharge at current density of 100 mA g−1. In comparison with the quick capacity fading upon extended cycling in pure SnO2 anode material, the capacity of 553.7 mA h g−1 was still retained at current density of 500 mA g−1 after 100 cycles.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Graphene research and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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