Boosting CO2 Reduction on Fe-N-C with Sulfur Incorporation: Synergistic Electronic and Structural Engineering

This study reports a general strategy to boost electrocatalytic CO2RR activity of Fe-N-C with the incorporation of S atoms to engineer carbon support structure and electronic properties of active Fe−N sites simultaneously via a copolymer-assisted synthetic approach. The employment of N,S comonomers significantly increases the numbers of micropores and surface area, enabling dense atomic Fe−N and enhanced utilization efficiency. The first-principles calculations reveal that S modulation upraises the Fermi energy of Fe 3d and increases charge density on Fe atoms of Fe−N4, thereby enhancing intrinsic catalytic reactivity and selectivity for CO2 reduction by strengthening the binding interaction between the Fe site and key COOH* intermediate. These integrated structural and electronic merits endow Fe-NS-C with outstanding activity (e.g., CO Faradaic efficiency of 98% at an overpotential of 490 mV) and stability (without deactivation in 30 h), ranking it one of the most active Fe-N-C reported to date. The finding offers an innovative design strategy to enable the design of advanced catalysts for CO2 conversion.Graphical abstractSulfur addition promotes electrocatalytic CO2 reduction on Fe-N-C by synergistically tailoring structure of carbon support and electronic properties of single atomic Fe−N sites, achieving top-level performance for CO generation among Fe-N-C catalysts.
Source: Nano Energy - Category: Nanotechnology Source Type: research

Related Links:

This study found that individuals with schizophrenia have increased levels of antibodies to certain EBV proteins.Schizophrenia Bulletin
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Psychiatry Journal Article Source Type: news
Review the process by which the National Association of Chronic Disease Directors developed and codified the Core Chronic Disease Prevention Competencies.Preventing Chronic Disease
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Public Health & Prevention Journal Article Source Type: news
This study compared two commonly used approaches to ultrasound-guided brachial plexus regional anesthesia for upper limb surgery. What are the pros and cons of each?BMC Anesthesiology
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Anesthesiology Journal Article Source Type: news
New research finds that girls with autoimmune hypothyroidism show reduced brown adipose tissue activation in response to cold stimulation.Journal of the Endocrine Society
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Diabetes & Endocrinology Journal Article Source Type: news
Is single gland excision a viable option for the treatment of MEN1-associated primary hyperparathyroidism? How does it compare with other treatment methods?Clinical Endocrinology
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Diabetes & Endocrinology Journal Article Source Type: news
Is pharmacy-based targeted testing for HCV a cost-effective approach?Journal of Viral Hepatitis
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Gastroenterology Journal Article Source Type: news
What impact do antibiotic-related changes of the gut microbiome have on efficacy of immune-checkpoint inhibitors?Annals of Oncology
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Hematology-Oncology Journal Article Source Type: news
Are users of proton pump inhibitors changing their behavior based upon concerns regarding side effects? Are physicians changing their management strategies?Alimentary Pharmacology &Therapeutics
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Gastroenterology Journal Article Source Type: news
Orthopedic surgeons can play a key role in the assessment and management of injuries related to nonaccidental trauma.Journal of the American Academy of Orthopaedic Surgeons
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Orthopaedics Journal Article Source Type: news
The presence of an eschar can aid in the clinical and epidemiologic differentiation of less severe spotted fever rickettsioses from Rocky Mountain Spotted Fever. Are eschars an underutilized resource?Morbidity &Mortality Weekly Report
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Public Health & Prevention Journal Article Source Type: news
More News: Employment | Iron | Nanotechnology | Study