Functional Bio-Carbon Materials for Environmental and Energy Applications

A special issue of Nanomaterials (ISSN 2079-4991).

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 4957

Special Issue Editor


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Guest Editor
Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Biomass Technology Centre, SE-901 83 Umeå, Sweden
Interests: batteries; supercapacitors; biomass residues; lithium-ion batteries
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Special Issue Information

Carbon is one of the most critical and important elements for humankind in nature. It is crucial for life itself, which would not be possible without it. It is also an essential raw material for most industrial processes. Due to its electronic properties, carbon materials have a variety of structures and properties, and its atoms bond readily to other carbon atoms; this allows for the building of arbitrarily long macromolecules and polymers. Biomass residues are enormous sources of carbon and can be efficient and low cost precursors for carbon materials with wide gamma of applications. For instance, biomass-derived activated carbons can be obtained with tailored properties to meet the tremendous need for low-cost, high-performance, porous carbons for sustainable technologies, products and applications, such adsorbents as water and air treatments, and energy applications. In addition, the use/reuse of biomass residues to produce value-added products would give back at least two simultaneous impacts; (i) environmental pollution control and (ii) wealth creation (through the fabrication of hi-tech bio-based materials). Bio-based carbon materials almost include the properties of all the materials on the earth, such as the hardest and softest, insulators, adsorbents, conductors and semiconductors, thermal conductors, and insulators, etc. With the evolution of science and technology, carbon utilization seems to contain unlimited possibilities of turning it into useful materials and development. This Special Issue aims to receive contributions of recent research on functional bio-carbon materials for environmental and energy applications from different biomass residues sources; researchers were invited to submit reviews or their latest research studies on bio-based materials for advanced applications. In addition, it has been open to submissions from other researchers working in this field. The research papers in this issue are focused on the processing, properties, modification, and application of a wide range of bio-based materials for environmental and energy applications.

Dr. Glaydson Simoes dos Reis
Guest Editor

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Keywords

  • biomass
  • biomass modification
  • bio-based materials
  • nanostructured carbon materials
  • wastewater/water treatment
  • air purification
  • energy storage systems

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Published Papers (1 paper)

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Review

17 pages, 1873 KiB  
Review
A Short Review on the Electrochemical Performance of Hierarchical and Nitrogen-Doped Activated Biocarbon-Based Electrodes for Supercapacitors
by Glaydson Simões dos Reis, Helinando Pequeno de Oliveira, Sylvia H. Larsson, Mikael Thyrel and Eder Claudio Lima
Nanomaterials 2021, 11(2), 424; https://doi.org/10.3390/nano11020424 - 7 Feb 2021
Cited by 53 | Viewed by 4342
Abstract
Cheap and efficient carbon electrodes (CEs) for energy storage systems (ESS) such as supercapacitors (SCs) and batteries are an increasing priority issue, among other things, due to a globally increasing share of intermittent electricity production (solar and wind) and electrification of transport. The [...] Read more.
Cheap and efficient carbon electrodes (CEs) for energy storage systems (ESS) such as supercapacitors (SCs) and batteries are an increasing priority issue, among other things, due to a globally increasing share of intermittent electricity production (solar and wind) and electrification of transport. The increasing consumption of portable and non-portable electronic devices justifies research that enables environmentally and economically sustainable production (materials, processing techniques, and product design) of products with a high electrochemical performance at an acceptable cost. Among all the currently explored CEs materials, biomass-based activated carbons (AC) present enormous potential due to their availability and low-cost, easy processing methods, physicochemical stability, and methods for self-doping. Nitrogen doping methods in CEs for SCs have been demonstrated to enhance its conductivities, surface wettability, and induced pseudocapacitance effect, thereby delivering improved energy/power densities with versatile properties. Herein, a short review is presented, focusing on the different types of natural carbon sources for preparing CEs towards the fabrication of SCs with high electrochemical performance. The influences of ACs’ pore characteristics (micro and mesoporosity) and nitrogen doping on the overall electrochemical performance (EP) are addressed. Full article
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