Jhonatam Pinheiro Mendonça

ORCID: 0000-0001-6950-9532
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About
Contact & Profiles
Research Areas
  • Supercapacitor Materials and Fabrication
  • Advancements in Battery Materials
  • Electrocatalysts for Energy Conversion
  • Aerogels and thermal insulation
  • Catalytic Processes in Materials Science
  • Advanced battery technologies research
  • Metal-Organic Frameworks: Synthesis and Applications
  • Gas Sensing Nanomaterials and Sensors
  • Transition Metal Oxide Nanomaterials
  • Advanced Cellulose Research Studies
  • Polyoxometalates: Synthesis and Applications
  • Nanomaterials for catalytic reactions
  • Advanced Battery Technologies Research
  • Catalysis and Hydrodesulfurization Studies

Universidade Federal do Maranhão
2023-2024

Spinel ferrites are versatile, low-cost, and abundant metal oxides with remarkable electronic magnetic properties, which find several applications. Among them, they have been considered part of the next generation electrochemical energy storage materials due to their variable oxidation states, low environmental toxicity, possible synthesis through simple green chemical processing. However, most traditional procedures lead formation poorly controlled (in terms size, shape, composition, and/or...

10.3390/ijms24119169 article EN International Journal of Molecular Sciences 2023-05-24

MnOx-based nanomaterials are promising large-scale electrochemical energy storage devices due to their high specific capacity, low toxicity, and cost. However, slow diffusion kinetics is still challenging, restricting practical applications. Here, a one-pot straightforward method was reported produce Zn-doped MnOx nanowires with abundant defects tunable small cross-sections, exhibiting an outstanding capacitance. More specifically, based on facile hydrothermal strategy, zinc sites could be...

10.1186/s11671-023-03933-2 article EN cc-by Discover Nano 2023-12-04

Ceria-based nanostructures, employed as catalytic supports for noble and non-noble metals, are well-known their remarkable activity in steam-reforming reactions, exceptional resistance to degradation, thermal stability. However, the selectivity of such systems strongly dependent on size shape ceria, making it possible tune oxide properties, affecting catalyst design performance. The rational manipulation ceria nanostructures offers various features that directly impact transformations,...

10.3390/hydrogen4030033 article EN cc-by Hydrogen 2023-07-31
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