Article
Biochemistry & Molecular Biology
Andrzej Swiatkowski, Elzbieta Kusmierek, Ewa Chrzescijanska, Krzysztof Kusmierek, Andrzej Albiniak
Summary: This study investigated the effect of thermal activation of GFA in a CO2 atmosphere on its electrochemical and catalytic behavior. The results showed that activated GFA could potentially be used as an electrode or catalyst for the removal of organic compounds from industrial wastewater. However, its corrosion resistance needs improvement.
Article
Environmental Sciences
Miao Lv, Hongchang Liu, Lei He, Binbin Zheng, Qinwen Tan, Muhammad Hassan, Fan Chen, Zhengjun Gong
Summary: The accumulation of antibiotics in aquatic environments poses a serious threat to human health. Photocatalytic degradation is a promising method for removing antibiotics from water. The novel MnS/PPy/GF composite achieved efficient adsorption of antibiotics, stable loading of photocatalyst, and rapid separation of spatial charge. The MnS/PPy/GF-based photocatalytic process demonstrated high removal efficiency and promising potential for antibiotic pollution control.
ENVIRONMENTAL RESEARCH
(2023)
Article
Environmental Sciences
Minsoo Kim, Shuwei Li, Da Seul Kong, Young Eun Song, Soo -Yong Park, Hyoung-il Kim, Jungho Jae, Ildoo Chung, Jung Rae Kim
Summary: The interactions between microbes and the anode surface are crucial for capturing respiratory electrons in microbial fuel cells (MFCs). The chemical and electrochemical characteristics of carbon materials affect biofilm growth and electron transfer in MFCs. This study investigated the electrodeposition of polydopamine (PDA) and polypyrrole (PPY) on a graphite felt electrode. The MFC with modified PDA/PPY-GF exhibited significantly higher electrochemical performance compared to other electrodes, demonstrating the potential of co-doped PDA/PPY to enhance biofilm development and improve bioelectrochemical performance in MFCs.
Article
Chemistry, Multidisciplinary
Hee Uk Lee, Inhwan Yang, Bong Geun Chung, Joon-Hyung Jin
Summary: Zinc-air batteries are gaining attention as alternatives to conventional lithium-ion batteries. This study introduces a functionalized pen-drawable ink for a bifunctional air cathode with promising performance.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2022)
Article
Engineering, Chemical
Debabrata Mohanty, Yi-Hung Wang, Ya-Chen Tsai, I-Ming Hung
Summary: Vanadium oxide is an environmentally friendly material, but its economic utilization is challenging due to the inability to control the size of etched holes. In this study, copper/graphite felt composite electrodes with controllable hole depth were prepared by electrodeposition and etching. The composite electrodes exhibited good material characteristics and electrochemical performance under specific etching temperature and time conditions.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2023)
Article
Chemistry, Analytical
Jie Du, Faqiong Zhao, Baizhao Zeng
Summary: A novel Ppy/MnO2-fGr/[AVIm]NTf2 composite coating was successfully prepared by electrochemical method, with coarse structure, large specific surface area, good thermal stability, and application in gas chromatographic analysis of benzoates.
Article
Chemistry, Physical
Jiangtao Mu, Bin Wu, Fei Ding, Lei Zhao, Guangjie Shao, Zhenbo Wang
Summary: In this study, NSG was coated with MnCl2 using the molten salt method to form a cladding layer with internal pores. The results demonstrate that this treatment method significantly improves the charge/discharge capacity and rate performance of NSG.
Article
Polymer Science
Juan Huang, Kejia Wu, Hui Bai, Huabo Huang, Xiaoqing Zhang, Yanbo Liu, Chuanxi Xiong
Summary: The study constructed PANI/MnO2 composite material by adding manganese sulfate, which showed higher specific capacitance than bare PANI and demonstrated superior charge transfer behavior. In kinetic analysis, both capacitive and diffusion-controlled behaviors were found to contribute to the electrochemical performance.
Article
Chemistry, Multidisciplinary
Buming Chen, Jianhua Liu, Shichuan Wang, Hui Huang, Yapeng He, Zhongcheng Guo
Summary: The study successfully prepared MnO2 coatings in sulfate and nitrate systems through electrodeposition, and investigated their electrochemical properties. The results indicate that MnO2 prepared in the nitrate system exhibited better oxygen evolution activity and electrochemical stability compared to that in the sulfate system.
Article
Chemistry, Physical
Yuanyuan Liu, Wei Zhu, Zhen Chen, Qiang Yu, Qi Hu, Zhaoyi Zheng, Lai Gui, Yuzhu Song
Summary: Anode materials PbO2-MnO2, PbO2-CoOx, and PbO2-MnO2-CoOx were prepared by anodic oxidation in the nitrate system. The PbO2-MnO2-CoOx anodes showed superior electrochemical performance compared to traditional PbO2, PbO2-MnO2, and PbO2-CoOx anodes, indicating practical value for reducing energy consumption.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Polymer Science
Wenjiao Wang, Mingming Zheng, Jiajia Ren, Mingliang Ma, Xunqian Yin, Tingxi Li, Yong Ma
Summary: The feasibility of Fe3O4/MnO2/TiO2/PPy heterostructure to remove Mn7+ was researched in detail, with optimal pH at 2 and a maximum equilibrium adsorption capacity of 202.8 mg/g. The adsorbent also showed good cycle performance, indicating broad application prospects.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Irina Sapurina, Constantin Bubulinca, Miroslava Trchova, Jan Prokes, Jaroslav Stejskal
Summary: The study focuses on the chemical properties of synthesizing polypyrrole, showing that pure products can be obtained at the appropriate ratio, while higher ratios result in composite materials. In the process of dissolving pyrrole, manganese dioxide consumes protons and generates water, requiring the reaction medium to remain acidic. Adding organic dyes can improve conductivity and result in a one-dimensional morphology during the reaction.
Article
Energy & Fuels
Hadi Heydari, Majid Abdouss, Saeedeh Mazinani, Ali Mohammad Bazargan, Fataneh Fatemi
Summary: The behavior of the PANI/MoS2-MnO2 composite on a Glassy Carbon electrode for supercapacitor applications was studied in this work. The ternary composite serves as an electrode in both three and two electrode systems with superior electrochemical properties compared to binary complexes. The supercapacitor electrode consists of MoS2 nanosheets, MnO2, and polyaniline, providing high specific capacitance, energy, power, and cycling stability.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Multidisciplinary
Tianfei Chu, Mengmeng Cheng, Shifeng Hou, Yanzhao Yang
Summary: Effective removal of excess manganese ions (Mn2+) from water is urgently needed to maintain human health and ecological balance. Modified graphite papers (MGP) fabricated by the anionic intercalation method were used as the working electrode to remove Mn2+ from wastewater via the electrochemical deposition method. The results showed that under optimal conditions, the removal rates of Mn2+ in simulated wastewater, industrial wastewater, and groundwater were all high, indicating the potential of MGP for water treatment.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Engineering, Chemical
Yingxin Mu, Chengyi Zhang, Wen Zhang, Yuxin Wang
Summary: A novel mesoporous LiMn2O4@GF electrode has been developed for the successful extraction of lithium from brines, demonstrating remarkable electrochemical activity, quick mass-transfer kinetics, and excellent stability. This provides an energy-efficient method for the recovery of Li+ from brines with high Mg2+/Li+ ratios.
