Synthesis and characterization of Ti0.9Ir0.1O2-activated carbon composite as a promising support for catalysts in electrochemical energy conversion

Constructing robust support plays a key role in governing the overall catalytic efficiency of metal-based catalysts for electrochemical reactions in sustainable energy-related conversion systems. We herein use a solvothermal method to assemble Ti0.9Ir0.1O2-Activated C composites, exhibiting high sur...

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Bibliographic Details
Published in:Advances in natural sciences. Nanoscience and nanotechnology 2023-09, Vol.14 (3), p.035003
Main Authors: Pham, Hien T Q, Pham, Hau Quoc, Huynh, Quyen, Nguyen, Thao Ngoc, Huynh, Ngoc-Han T, Nguyen, Thanh-Quang, Huynh, Tai Thien
Format: Article
Language:English
Subjects:
Activated carbon
Carbon content
Catalysts
Catalytic converters
Chemical reactions
Composite materials
composites
Composition effects
Corrosion resistance
Durability
Electrical conductivity
Electrical resistivity
Electrochemical analysis
Electrochemical corrosion
Electrochemistry
Energy conversion
nanomaterials
Physical properties
Renewable energy
Surface area
Sustainability
Titanium dioxide
X ray photoelectron spectroscopy
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Summary:Constructing robust support plays a key role in governing the overall catalytic efficiency of metal-based catalysts for electrochemical reactions in sustainable energy-related conversion systems. We herein use a solvothermal method to assemble Ti0.9Ir0.1O2-Activated C composites, exhibiting high surface area and electrical conductivity compared to the pure TiO2 material. The material characterisations and electrochemical behaviours of the as-obtained composites are systemically studied by XRD, FE-SEM-EDX mapping, FT-IR, XPS, BET, four-point technique, cyclic voltammetry, etc Notably, the effect of composition on the physical and electrochemical properties of the as-made composites is also explored, which indicated the significant improvement in surface area and electrical conductivity with increasing carbon content, while a reverse trend is observed in the electrochemical durability. Among all studied composites, the Ti0.9Ir0.1O2-Activated C (50:50 wt%) composite can be a suitable support for metal-based catalysts due to its balance in physical properties (electrical conductivity of 1.5 S cm−1 and surface area of 152.12 m2 g−1) and electrochemical corrosion resistance (high durability after 2000-cycling ADT). This study can open up an efficient strategy to enhance the catalytic performance of electrochemical processes.
ISSN:2043-6254
2043-6262
DOI:10.1088/2043-6262/ace432