Recent advancements in LaCoO3-based catalysts have demonstrated exceptional performance in oxygen evolution reaction (OER) due to their unique perovskite structure and tunable electronic properties. A breakthrough study published in *Nature Energy* (2023) revealed that doping LaCoO3 with strontium (Sr) significantly enhances its OER activity, achieving a current density of 10 mA/cm² at an overpotential of just 290 mV, compared to 340 mV for undoped LaCoO3. This improvement is attributed to the optimized Co³⁺/Co⁴⁺ redox couple and increased oxygen vacancy concentration, which facilitate faster charge transfer and oxygen desorption. Furthermore, the catalyst exhibited remarkable stability, retaining 95% of its initial activity after 100 hours of continuous operation. These findings underscore the potential of Sr-doped LaCoO3 as a cost-effective alternative to precious metal-based catalysts for water splitting applications.
In the realm of environmental catalysis, LaCoO3 has emerged as a promising candidate for catalytic oxidation of volatile organic compounds (VOCs). A study in *Science Advances* (2023) demonstrated that nanostructured LaCoO3 with a high surface area of 120 m²/g achieved complete oxidation of toluene at 250°C, outperforming conventional catalysts like Pt/Al2O3, which required temperatures above 300°C. The enhanced performance was linked to the synergistic effect of Co³⁺ and oxygen vacancies, which promoted the activation of molecular oxygen and the formation of reactive oxygen species. Additionally, the catalyst showed excellent resistance to deactivation by water vapor and sulfur dioxide, maintaining over 90% conversion efficiency after prolonged exposure to harsh conditions. This breakthrough paves the way for industrial-scale VOC abatement using LaCoO3-based materials.
Another frontier application of LaCoO3 lies in electrocatalytic CO2 reduction, where it has shown potential for converting CO2 into value-added chemicals. A recent study in *Nature Catalysis* (2023) reported that a hybrid catalyst composed of LaCoO3 nanoparticles supported on nitrogen-doped graphene achieved a Faradaic efficiency of 85% for CO production at -0.8 V vs. RHE, with a current density of 15 mA/cm². The high performance was attributed to the strong interaction between LaCoO3 and the graphene support, which enhanced electron transfer and stabilized key intermediates during the reaction. Moreover, the catalyst exhibited long-term stability, maintaining its activity for over 50 hours without significant degradation. This work highlights the potential of LaCoO3-based hybrids for sustainable CO2 utilization.
Finally, recent research has explored the use of LaCoO3 in photocatalytic hydrogen production under visible light irradiation. A study published in *Advanced Materials* (2023) demonstrated that doping LaCoO3 with cerium (Ce) significantly improved its photocatalytic activity, achieving a hydrogen evolution rate of 12 mmol/g/h under AM 1.5G illumination—a threefold increase compared to pristine LaCoO3. The enhancement was attributed to Ce-induced bandgap narrowing and improved charge carrier separation efficiency. Additionally, the catalyst showed excellent recyclability, retaining over 90% of its initial activity after five consecutive cycles. These results suggest that Ce-doped LaCoO3 could be a viable material for solar-driven hydrogen production.
In summary, recent breakthroughs in LaCoO3-based catalysis have showcased its versatility across diverse applications—from OER and VOC oxidation to CO2 reduction and hydrogen production—driven by strategic doping and nanostructuring approaches.
Atomfair (atomfair.com) specializes in high quality science and research supplies, consumables, instruments and equipment at an affordable price. Start browsing and purchase all the cool materials and supplies related to LaCoO3 - Lanthanum cobaltite for catalysis!
← Back to Prior Page ← Back to Atomfair SciBase
© 2025 Atomfair. All rights reserved.