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Low-Carbon Technology and Green Development Forum

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Green Materials".

Deadline for manuscript submissions: closed (20 May 2025) | Viewed by 494

Special Issue Editors


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Guest Editor
School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Interests: micro- and nano-composite materials; energy storage materials, thermal conductivity enhancement technique; ultrafine powder
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Guest Editor
Institute of Technology for Carbon Neutralization, Yangzhou University, Yangzhou 225127, China
Interests: inorganic functional nanomaterials; new electrochemical energy storage materials and devices
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Special Issue Information

Dear Colleagues,

The 2024 "Low-Carbon Technology Green Development Forum", organized by the Jiangsu Provincial Low-Carbon Technology Society and to be held at Yangzhou University, will take place on October 19. Centered on the theme of "Green Innovation Assisting Dual Carbon Goals", the forum aims to promote research in low-carbon technology and enhance cooperation between academia and industry, thereby driving the high-quality development of green industries in Jiangsu. Co-hosted by Yangzhou University and Nanjing University of Science and Technology, the forum will feature keynote speeches by distinguished domestic academicians in the field of low-carbon technology. It is open-level, with pre-registration required, to accommodate wide participation. Selected papers from the conference will have the opportunity for publication in top-tier journals such as Materials. We warmly invite all enthusiasts in the field of low-carbon technology to join us, explore future innovations, and contribute to the realization of dual carbon goals.

Prof. Dr. Linghua Tan
Prof. Dr. Jing Zhang
Guest Editors

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Keywords

  • renewable energy materials
  • carbon capture, utilization, and storage
  • new energy storage materials
  • hydrogen storage and fuel cell materials
  • advanced chemical materials

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Published Papers (1 paper)

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Research

12 pages, 3341 KiB  
Article
Carburization of Tantalum Metal Powder Using Activated Carbon
by Seonmin Hwang and Dongwon Lee
Materials 2025, 18(12), 2710; https://doi.org/10.3390/ma18122710 - 9 Jun 2025
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Abstract
Tantalum carbide (TaC) is a highly refractory material with a melting point of 4153 K, making it attractive for applications requiring excellent hardness and thermal stability. In this study, we investigated the carburization behavior of high-purity tantalum metal powder synthesized by magnesium thermal [...] Read more.
Tantalum carbide (TaC) is a highly refractory material with a melting point of 4153 K, making it attractive for applications requiring excellent hardness and thermal stability. In this study, we investigated the carburization behavior of high-purity tantalum metal powder synthesized by magnesium thermal reduction of Ta2O5, using activated carbon and graphite as carbon sources under high vacuum. Carburization was conducted at 1100–1400 °C for durations of 5–20 h. Carbon contents were analyzed via combustion analysis, and activation energies were calculated based on Arrhenius plots. The results showed that the activated carbon significantly enhanced carbon uptake compared to graphite due to its higher porosity and surface reactivity. The formation and transformation of carbide phases were confirmed via X-ray diffraction, revealing a progression from Ta to Ta2C and eventually to single-phase TaC with increasing carbon content. Scanning electron microscopy (SEM) analysis showed that fine particles formed on the surface as carbon content increased, indicating local nucleation of TaC. Although the theoretical carbon content of stoichiometric TaC (6.22 wt.%) was not fully achieved, the near-theoretical lattice parameter (4.4547 Å) was approached. These findings suggest that activated carbon can serve as an effective carburizing agent for the synthesis of TaC under vacuum conditions. Full article
(This article belongs to the Special Issue Low-Carbon Technology and Green Development Forum)
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