Article
Materials Science, Ceramics
Qiushi Huang, Chuanhua Li, Yuankun Tu, Yu Jiang, Ping Mei, Xuemin Yan
Summary: The study focuses on designing and synthesizing efficient catalysts for fuel cells, demonstrating that CoFe2O4/CNTs/FA composites have excellent bifunctional catalytic activity for ORR and OER with improved methanol tolerance and durability compared to standard catalysts like Pt/C and RuO2. This shows potential for simple compound strategies to enhance electrochemical properties.
CERAMICS INTERNATIONAL
(2021)
Article
Engineering, Environmental
Kousik Bhunia, Elumalai Vijayakumar, Nirmal Prashanth Maria Joseph Raj, Keyru Serbara Bejigo, Dhanasekar Kesavan, Sang -Jae Kim
Summary: The present study demonstrates the effectiveness of a noble metal-free cobalt nanoparticle-integrated nitrogen-doped carbon nanotubes catalyst for oxygen reduction reaction in Direct Methanol Fuel Cells (DMFCs). The catalyst showed superior activity and performance compared to conventional platinum catalysts. The study also showcased the applicability of the catalyst-integrated DMFC in powering portable electronics.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Nafiseh Mohammadi-rad, Mehdi D. Esrafili, Jaber Jahanbin Sardroodi
Summary: In this study, Fe-doped porous BN nanosheet is proposed as an efficient and noble-metal free electrocatalyst for the oxygen reduction reaction (ORR) process in fuel cells. The ORR process on this electrocatalyst prefers a direct four-electron route.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
H. Huang, X. Guo, M. Yan, W. Meng, Y. Xue, D. Xiao, Q. Jiang, L. Yang, H. He
Summary: A convenient approach was proposed to fabricate Pt nanoparticles grown on 3D nitrogen-and sulfur-codoped graphene nanoribbons, leading to the formation of Pt/NS-GNR materials with superior performance such as large electrochemically active surface area, high electrocatalytic activity, reliable durability, and good antitoxic ability. Theoretical simulations revealed strong electronic interactions between metal and matrix, which immobilize Pt particles onto the 3D NS-GNR frameworks and weaken CO adsorption, thereby promoting the methanol oxidation catalytic efficiency.
MATERIALS TODAY ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Hongyin Xia, Ruoyu Pang, Xieyiming Dong, Qixin Liu, Junjie Chen, Erkang Wang, Jing Li
Summary: In the context of energy conversion, the design and synthesis of high-performance metal-free carbon nanomaterials for the oxygen reduction reaction (ORR) are crucial. This study presents a template-assisted strategy to fabricate carbon defect electrocatalysts with active pentagon sites, which exhibit outstanding catalytic activity for alkaline ORR.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Physical
Xiaoting Cao, Jiangnan Li, Xu Dong, Ruili Song, Xiaoshuang Zhou, Xi Wang, Ningyi Yuan, Jianning Ding
Summary: In this study, 2D porous materials were prepared by consuming self-templates to regulate the active sites of the catalysts in a simple manner. The materials exhibited excellent ORR performance in alkaline electrolytes, outstanding stability and resistance to methanol. Furthermore, zinc-air batteries with these materials as the ORR electrocatalyst exhibited outstanding power density and long-term operational stability. The materials can also be applied as a cathode catalyst of membraneless direct methanol fuel cells with considerable power density.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Applied
Paramita Banerjee, G. P. Das, Ranjit Thapa
Summary: This study investigates the role of S-dopant and S-linker in enhancing the catalytic efficiency of graphene quantum dots for oxygen reduction reactions. It is found that controlling the dopant position and configuration, increasing the S doping concentration, and utilizing S-linkers can effectively improve the ORR activity.
Article
Engineering, Electrical & Electronic
Youchang Park, Mohammad Yusuf, Nallal Muthuchamy, Sehwan Song, Sungkyun Park, Jae-Myung Lee, Kang Hyun Park
Summary: This article introduces a simple and cost-effective method for synthesizing Pd-Ni(OH)2 nanocatalysts, which exhibit high performance, excellent durability, and methanol resistance in fuel cells, making them a potential alternative to Pt/C.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2022)
Article
Nanoscience & Nanotechnology
Haridas Parse, Indrajit M. Patil, Anita Subhash Swami, Bhalchandra A. Kakade
Summary: The study presents the development of an efficient electrocatalyst for the electroreduction of oxygen in low-temperature fuel cells by self-decoration of TiO2 on the surface and in between layers of nitrogen (-N), sulfur (-S) co-doped MXene (Ti3C2) to form Ti3C2/NSCD-600 nanocomposite. The optimized nanocomposite exhibits improved catalytic performance, faster kinetics, and better cycling stability compared to state-of-the-art catalyst (Pt/C), demonstrating potential for energy generation in low-temperature FCs.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
L. Kashinath, K. Byrappa
Summary: In this study, a highly efficient and excellent electrocatalyst material for the oxygen reduction/evolution reaction (ORR/OER) was synthesized using the microwave-assisted hydrothermal method. The material exhibited high activity and current density for both ORR and OER, and the microwave-assisted hydrothermal technique played a significant role in improving its performance. The study provides insights into the bifunctional activity of Ce and may guide the design of robust catalysts for electrochemical applications.
FRONTIERS IN CHEMISTRY
(2022)
Article
Chemistry, Physical
Nargiz Kazimova, Kefeng Ping, Mahboob Alam, Mati Danilson, Maido Merisalu, Jaan Aruvali, Paarn Paiste, Maike Kaarik, Valdek Mikli, Jaan Leis, Kaido Tammeveski, Pavel Starkov, Nadezda Kongi
Summary: The study demonstrates that shungite can serve as an efficient support for bifunctional electrocatalysts, and through screening various combinations of cobalt, iron, and nitrogen sources, the most suitable system for serving as an active bifunctional oxygen electrocatalyst material was identified.
JOURNAL OF CATALYSIS
(2021)
Article
Nanoscience & Nanotechnology
Parisa Salarizadeh, Mohammad Bagher Askari, Antonio Di Bartolomeo
Summary: In this study, a MoS2/Ni3S2/rGO catalyst was developed for alcohol fuel cells with cost-effectiveness, stability, and high performance. The synthesized catalysts were evaluated in alkaline media for alcohol electro-oxidation process. The results showed that the MoS2/Ni3S2/rGO catalyst exhibited good catalytic efficiency and excellent stability for methanol and ethanol.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Physical
Mengyin Liao, Weiping Li, Jiaxi Peng, Fan Zhang, Wenyuan Xu, Zhichao Huang
Summary: The catalytic properties of Pd-Fe bimetallic catalysts can be continuously adjusted by treatment at different temperatures, affecting their activity in formic acid oxidation. The Pd-Fe/C catalyst treated at 500 degrees Celsius shows the highest electrocatalytic activity for formic acid oxidation, outperforming the commercial Pt/C catalyst.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Nanoscience & Nanotechnology
Sanjit Kumar Parida, Tulasi Barik, Bhagyashree A. Chalke, Sankarakumar Amirthapandian, Hrudananda Jena
Summary: Atomically dispersed M-N-C catalysts are promising PGM-free cathode catalysts for ORR. Increasing the density of accessible active sites is crucial for enhancing the ORR performance. A highly porous PPy hydrogel was reported as a versatile support for the facile design of a Co-N-C electrocatalyst. The resulting Co-N-C catalyst showed excellent stability, with a high half-wave potential and low H2O2 yield.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Thermodynamics
Zhaoqi Ji, Maria Perez-Page, Jianuo Chen, Romeo Gonzalez Rodriguez, Rongsheng Cai, Sarah J. Haigh, Stuart M. Holmes
Summary: Combining reduced electrochemically exfoliated graphene oxide (rEGO) with carbon black (CB) as a hybrid support material enhances the performance of platinum (Pt) catalyst, leading to improved durability and activity compared to conventional Pt/CB catalyst. The hybrid material promotes a more efficient oxygen reduction reaction (ORR) activity and maintains stability over a longer period of time, showing potential for practical applications in hydrogen fuel cells.
Article
Chemistry, Physical
Binghui Xu, Longbiao Yu, Xu Zhao, Haoran Wang, Chao Wang, Lian Ying Zhang, Guanglei Wu
Summary: An effective method to synthesize zinc ferrite nanoparticles and prepare ZnFe2O4/RGO composite has been developed. The composite electrode shows excellent lithium-ion storage performance, with high reversible capacity and long cycle life, attributed to its well-designed structure and electrochemical behavior.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Feng Zhang, Zirui Jia, Zhe Wang, Chuanhui Zhang, Bingbing Wang, Binghui Xu, Xuehua Liu, Guanglei Wu
Summary: In this study, a new NiCo2S4@C/porous carbon composite material was prepared, with significantly improved microwave dielectric responsiveness and ideal characteristics of microwave absorption and broadband. This multi-component EM absorber shows promise for high-performance EM absorption materials.
MATERIALS TODAY PHYSICS
(2021)
Article
Materials Science, Composites
Xiangli Kong, Xin Men, Qingke Tan, Shouchun Bao, Bowen Li, Liangjie Shan, Chao Wang, Binghui Xu
Summary: The hierarchical Si@C/RGO composite, synthesized with the assistance of ZnO nanoparticles, demonstrated improved electrochemical properties compared to routine Si@C materials, with good initial coulombic efficiency and reversible capacity. The hierarchical structure may be further utilized for enhancing other electrochemically active materials for energy conversion and storage.
COMPOSITES COMMUNICATIONS
(2021)
Article
Engineering, Environmental
Jinkun Liu, Zirui Jia, Wenhui Zhou, Xuehua Liu, Chuanhui Zhang, Binghui Xu, Guanglei Wu
Summary: The study introduces a novel absorber of CuFe2O4/MoS2 composite, which combines magnetic ferrite CuFe2O4 with 2D MoS2 nanosheets to achieve a wide effective absorption bandwidth. The cooperative interaction of dielectric and magnetic loss results in effective absorption of electromagnetic waves in the entire Kuband and part of the X-band. This work presents a strategy for obtaining novel high-performance absorbers.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Shouchun Bao, Mengyao Tu, Haowei Huang, Can Wang, Yiyu Chen, Baofen Sun, Binghui Xu
Summary: This work successfully demonstrated the synthesis of Fe2O3@Fe3O4/CNT composite material with excellent performance in lithium-ion batteries and Fenton-like reactions. Controlled synthesis of nanoparticles and good dispersion within the CNT framework are crucial factors contributing to the high performances achieved.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Shouchun Bao, Rui Zhang, Mengyao Tu, Xiangli Kong, Haowei Huang, Can Wang, Xuehua Liu, Binghui Xu
Summary: A rapid coprecipitation reaction was developed to obtain nano-sized Zn-doped tin oxide samples, which showed superior electrochemical performance as an anode active material for lithium-ion batteries. The reaction mechanism for successful synthesis has been proposed, revealing the outstanding lithium-ion storage performance of the Zn-SnO2/CNT@RGO composites.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Mengyao Tu, Kuikui Wang, Shouchun Bao, Rui Zhang, Qingke Tan, Xiangli Kong, Longbiao Yu, Guanglei Wu, Binghui Xu
Summary: A novel hierarchical composite, Fe3O4@PC/RGO, was successfully prepared in this study, combining Fe3O4 nanoparticles, porous carbon domains, and reduced graphene oxide sheets. This material exhibited excellent lithium-ion storage performance with high specific capacity and cycling stability, showing great potential for wider applications in various fields.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Xinfeng Zhou, Zirui Jia, Xingxue Zhang, Bingbing Wang, Wei Wu, Xuehua Liu, Binghui Xu, Guanglei Wu
Summary: The study successfully synthesized Ni/NiO@C hybrid composites with tunable Ni proportion through a two-step process. By controlling the calcination time and adjusting the Ni source, the optimal electromagnetic wave absorption performance was achieved, providing a feasible reference for the absorption mechanism of absorbers.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Engineering, Environmental
Lian Ying Zhang, Chun Xian Guo, Haijie Cao, Shuo Wang, Yirui Ouyang, Binghui Xu, Peizhi Guo, Chang Ming Li
Summary: This work presents the synthesis of highly wrinkled ultrathin Pd nanosheets as an advanced catalyst for Oxygen reduction reaction (ORR) in acidic medium. The catalyst shows higher catalytic activity, more positive half-wave potential, and better stability compared to commercial Pt/C. The study reveals that the compressive strain created from the wrinkles plays a crucial role in reducing the reaction barrier and improving the stability of the Pd catalyst.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Rui Zhang, Qingke Tan, Shouchun Bao, Jianbin Deng, Yan Xie, Fei Zheng, Guanglei Wu, Binghui Xu
Summary: This work presents a hierarchical reduced graphene oxide (RGO) supportive matrix with ZnO and SnO2 nanoparticles immobilized, showing outstanding lithium-ion storage performance. The unique hierarchical structure of ZnO@SnO2/RGO-H sample enhances mechanical strength, ionic and electric conductivities, leading to a large specific capacity and good rate capability in lithium-ion storage processes. The industrially mature spray drying method for synthesizing RGO based hierarchical products can be further developed for wider applications.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Ming-Jun He, Lai-Qiang Xu, Bing Feng, Jin-Bo Hu, Shan-Shan Chang, Gong-Gang Liu, Yuan Liu, Bing-Hui Xu
Summary: This research successfully applied hard carbon obtained from tannin as an anode in lithium-ion batteries, and illustrated the relationship between its structure and lithium storage performance. Moreover, by compounding with graphene oxide, the performance was further enhanced, leading to good cycling stability.
Article
Chemistry, Physical
Xiangli Kong, Liangjie Shan, Rui Zhang, Shouchun Bao, Mengyao Tu, Ruixin Jia, Longbiao Yu, Hongliang Li, Binghui Xu
Summary: In this study, a straightforward and eco-friendly method was demonstrated to engineer magnetite nanoparticles dispersed in an amorphous amylose-derived carbon and reduced graphene oxide framework. The resulting composite exhibited enhanced initial coulombic efficiency, cycling stability, and rate performance for lithium-ion storage.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Mengyao Tu, Chun Yang, Rui Zhang, Xiangli Kong, Ruixin Jia, Longbiao Yu, Binghui Xu
Summary: In this study, magnetite nanoparticles (Fe3O4) dispersed in a submicron sized carbon framework in a pomegranate shape were engineered using a flexible one-step spray pyrolysis strategy. Under an inert gas atmosphere, Fe3+ ions and chitosan (CS) molecules were transformed into Fe3O4 nanoparticles and nitrogen-doped carbon coating domains, respectively. The resulting Fe3O4@C composite exhibited a unique submicron sized pomegranate configuration, with favorable electric/ionic pathways and effective dispersion of Fe3O4 nanoparticles. The Fe3O4@C composite displayed impressive lithium-ion storage capabilities, maintaining a reversible capacity of 500.2 mAh center dot g(-1) after 500 cycles at a high current density of 1000 mA center dot g(-1), as well as good rate capability. The strategy used in this work is straightforward and effective, and the synthesized Fe3O4@C material has great potential for wider applications.
Article
Chemistry, Physical
Longbiao Yu, Ruixin Jia, Gonggang Liu, Xuehua Liu, Jinbo Hu, Hongliang Li, Binghui Xu
Summary: In this work, a hierarchical carbon framework supported SnO2 nanocomposite was engineered using biomass sodium lignosulfonate, stannous chloride, and few-layered graphene oxide as raw materials. The SnCl2@LS sample with a uniform distribution of Sn2+ in the LS domains was formed through a spontaneous chelation reaction, and it was further dispersed by GO sheets via a redox coprecipitation reaction. The SnO2/LSC/RGO nanocomposite exhibited excellent lithium-ion storage performances with a high specific capacity of 938.3 mAh/g after 600 cycles at 1000°C.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Longbiao Yu, Rui Zhang, Ruixin Jia, Wenhao Jiang, Xiaoyu Dong, Xuehua Liu, Haijie Cao, Binghui Xu
Summary: This study synthesized nanosized cobalt monoxide anode material and nanosized lithium cobalt oxide cathode material using few-layered graphene oxide and metallic cobalt foils through a hydrothermal reaction. Both the CoO@RGO anode and the LCO cathode exhibited impressive lithium-ion storage properties.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
