Co-doped SnS2 nanosheet array for efficient oxygen evolution reaction electrocatalyst
Source abstract
Abstract
Designing highly active electrocatalysts with unique nanostructures is critical to increasing oxygen evolution reaction (OER) electrocatalytic efficiency, but high overpotentials and poor cycle stability remain a challenging issue. Herein, we directly grow a small amount of Co-doped SnS2 nanosheet array on the surface of carbon fiber by a simple one-step solvothermal method and study the effect of different Co/Sn ratio (x = 0, 0.05, 0.15, 0.25) on the morphology of SnS2. The Co-doped SnS2 nanosheet array with x = 0.15 exhibited the most active sites and the most excellent OER performance. It has an overpotential of 281 mV at a current density of 30 mA cm−2 and a low Tafel slope of 62 mV dec−1, which is much lower than pure SnS2. Such good performance is attributed to the high intrinsic activity and superaerophobic surface property.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Fuel Cells and Related Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (43)
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