Article
Chemistry, Multidisciplinary
Masoumeh Ghalkhani, Rasol Abdullah Mirzaie, Fatemeh Shahmoradi, Azam Anaraki Firooz
Summary: In this research, a nanocatalyst based on manganese and cobalt oxides was developed to create an efficient cathode electrode for fuel cells. The nano MnOx/MnCo2O4 was synthesized through a hydrothermal procedure followed by sintering. Various characterization techniques were used to analyze the synthesized nanocatalyst. The synthesized nanocatalyst was loaded onto carbon paste in different weight ratios, and the best performance was achieved with 50 W% MnOx/MnCo2O loaded carbon paste, showing twice the active surface area compared to bare carbon paste. The nanocatalyst demonstrated low cost, good catalytic efficiency, and cyclic stability, making it a potential alternative to platinum-based catalysts for fuel cell electrodes.
Article
Nanoscience & Nanotechnology
Amit Chaturvedi, Patit Paban Kundu
Summary: High-performance cobalt nanoparticles supported on a zeolite-graphene oxide matrix have been synthesized and exhibit outstanding oxygen reduction reaction (ORR) performance and electrocatalytic properties. When applied as the cathode electrocatalyst in a single-chambered microbial fuel cell, the coated catalyst generates significantly higher power density compared to a Pt/C catalyst.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Environmental Sciences
Jiwei Jiang, Shixuan Zhang, Shengnan Li, Wenlu Zeng, Fengxiang Li, Wei Wang
Summary: A novel cathode catalyst was developed using watermelon rind as raw material, which significantly enhanced the electrochemical performance of MFCs, reduced costs, and achieved significant effects in water treatment and power generation.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Materials Science, Multidisciplinary
Shuo Sun, Haoran Yu, Lanlan Li, Xiaofei Yu, Xinghua Zhang, Zunming Lu, Xiaojing Yang
Summary: In this study, the oxygen reduction performance of manganese oxide octahedral molecular sieve was adjusted by surface reduction etching treatment. The treated material exhibited excellent electrical conductivity and high oxygen reduction kinetics. The generation of appropriate oxygen vacancies improved the chemical properties of the material surface and increased the oxygen reduction adsorption sites.
Article
Chemistry, Physical
Mphoma S. Matseke, Haitao Zheng, Mkhulu K. Mathe, Emanuela Carleschi, Bryan Doyle
Summary: In this study, Co-doped MnFe2O4 electrocatalysts were found to have improved oxygen reduction reaction (ORR) performance, with MnFe1.5Co0.5O4/C electrocatalyst showing the best results. The Co doping resulted in smaller and more uniform particle sizes, more oxygen vacancies, enriched surface Mn3+ ions, and improved conductivity, all contributing to enhanced ORR activity compared to pristine MnFe2O4/C.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Environmental Sciences
Khurram Tahir, Waheed Miran, Jiseon Jang, Nagesh Maile, Asif Shahzad, Mokrema Moztahida, Ahsan Adul Ghani, Bolam Kim, Dae Sung Lee
Summary: This study synthesized a binder-free manganese cobalt oxide anode with a large electrochemically active and rough surface area, leading to improved microbial fuel cell performance. The superior bio-electrochemical activity, reduced ion transfer resistance, and excellent capacitance of the synthesized anode resulted in enhanced power density. The modified anode also accelerated the enrichment of electro-active microbes, as shown by high-throughput biofilm analysis.
Article
Engineering, Environmental
Thomas Yang, Dinesh Bhalothia, Hong -Wei Chang, Che Yan, Amisha Beniwal, You-Xun Chang, Shun-Chi Wu, Po-Chun Chen, Kuan-Wen Wang, Sheng Dai, Tsan-Yao Chen
Summary: Considering the importance of fuel cells, developing highly efficient and durable platinum-free catalysts is crucial. This study proposes a novel nanocatalyst, which consists of oxygen vacancies enriched atomic CoPdOx clusters anchored Pd nanoparticles on a cobalt-oxide support. The resulting nanocatalyst demonstrates exceptional mass activity and durability in the oxygen reduction reaction, surpassing the commercial catalyst by 65 times. The study also reveals the potential synergism between CoPdOxV and metallic Pd-sites, providing insights for designing high-performance catalysts.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Yun Chen, Sergio A. Paredes-Navia, Cesar-Octavio Romo-De-La-Cruz, Liang Liang, Andre Fernandes, Alec Hinerman, Jacky Prucz, Mark Williams, Xueyan Song
Summary: The study demonstrates that applying a unary electrocatalyst of Pt or CoOx to the LSCF/SDC composite electrode can mitigate the cation surface segregation and improve conductivity and the oxygen reduction reaction. ALD coating reduces cell ohmic resistance and enhances cathode conductivity and durability.
JOURNAL OF POWER SOURCES
(2021)
Article
Engineering, Environmental
Weifeng Liu, Zihao Zhou, Zhe Li, Yan Yang, Jiao Zhao, Yimin Zhu, Wenjing Miao
Summary: The study introduces a cost-effective non-precious metal catalyst CoP@N-C for oxygen reduction reaction in microbial fuel cells, demonstrating enhanced catalytic activity and power density, compared to traditional activated carbon control.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Engineering, Environmental
Kea-Lee Yap, Li-Ngee Ho, Soon-An Ong, Kun Guo, Yun-Ming Liew, Shen-Hui Thor, Sing-Mei Tan, Tean-Peng Teoh
Summary: By using CuO loaded carbon plate as the cathodic catalyst, the efficiency of the double chambered microbial fuel cell system was improved, allowing for more effective degradation of wastewater and dihydroxybenzene isomers, as well as increased generation of bioelectricity. Among the dihydroxybenzene isomers, hydroquinone exhibited the best degradation performance.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Chemistry, Physical
Guangxing Li, Min Jiang, Qin Liao, Ruida Ding, Yuanhang Gao, Linwu Jiang, Dina Zhang, Shuguang Chen, Hao He
Summary: This study demonstrates the enhancement of oxygen reduction performance in Mg-air fuel cells by anchoring Ag single atoms onto the surface of alpha-MnO2 nanorods, showing improved catalytic activity and high power density. The Ag@alpha-MnO2 catalyst exhibits better stability, anti-poisoning capability, and comparable performance to commercial Pt/C, providing new ideas for efficient and cost-effective ORR catalyst in metal-air fuel cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Shan Ding, Yuxiang Zhang, Fengqian Lou, Ming Li, Qi Huang, Kang Yang, Baokai Xia, Cheng Tang, Jingjing Duan, Markus Antonietti, Sheng Chen
Summary: This study reports a novel oxygen-vacancy-type Mars-van Krevelen mechanism for promoting the electrochemical oxygen reduction reaction (ORR). The structural oxygen vacancies of zinc oxide catalysts effectively alter the electron densities of nearby metal active sites, facilitating the adsorption and activation of O-2. Experimental results demonstrate that the catalyst electrode designed based on this mechanism exhibits superior ORR activities with high Faradaic efficiency.
MATERIALS TODAY ENERGY
(2023)
Article
Materials Science, Ceramics
Huiying Qi, Peng Qiu, Tonghuan Zhang, Di Liu, Mojie Cheng, Baofeng Tu
Summary: This study proposes cost-effective cathode materials with high catalysis activity for use in intermediate-temperature solid oxide fuel cells. Cobalt-free composites were synthesized using a smart self-assembled method, primarily utilizing doped-BaZrO3 and doped-BaFeO3 cubic perovskites. Both composite cathodes exhibit nano- and micro-particles with extensive heterointerfaces and excellent cathode| electrolyte interfaces, which can assist the surface catalysis and oxygen species transport. A cell with a BSrFZ composite cathode achieved a higher maximum power density compared to that with a BSmFZ composite cathode, benefiting from its enriched oxygen vacancies and high surface and heterointerface activities.
CERAMICS INTERNATIONAL
(2022)
Article
Nanoscience & Nanotechnology
Lulu Wen, Xinyang Li, Rui Zhang, Huawei Liang, Qitao Zhang, Chenliang Su, Yu-Jia Zeng
Summary: Introducing oxygen vacancies is considered an effective method to accelerate the nitrogen reduction reaction, and Zn-Co3O4 nanopolyhedrons with abundant oxygen vacancies and high catalytic performance have been successfully prepared in this study. The catalyst shows high ammonia yield and faradaic efficiency, as well as excellent stability.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Jadranka Milikic, Sara Knezevic, Milos Ognjanovic, Dalibor Stankovic, Lazar Rakocevic, Biljana Sljukic
Summary: Porous cobalt (III) oxide (Co3O4) and mixed cobalt (III) oxide -tin oxide (Co3O4/SnO2) with spherical morphology were prepared by a novel template-based hydrothermal method. They showed excellent performance as bifunctional electrocatalysts for oxygen reduction and evolution reactions in alkaline media, comparable to the commercial Pt/C electrocatalyst. Both materials exhibited low charge transfer resistance and low onset potential for oxygen evolution.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Nutrition & Dietetics
Wangxing Yang, Na Han, Mingyuan Jiao, Xinlei Chang, Jue Liu, Qianling Zhou, Hai-Jun Wang
Summary: This study aimed to describe the diet quality of pregnant women and investigate the relationship between maternal diet and the prevalence of low birth weight and small for gestational age. The results showed that inadequate intake of fruits and dairy products during the second trimester was associated with an increased risk of low birth weight and small for gestational age. Sufficient consumption of fruits and dairy products during pregnancy is recommended to prevent these adverse outcomes.
BRITISH JOURNAL OF NUTRITION
(2023)
Article
Biochemistry & Molecular Biology
Zheying Zhang, Wenyan Fan, Qingzu Gao, Yifei Han, Jingyu Ma, Wuji Gao, Yuhan Hu, Huifang Zhu, Rui Yang, Haijun Wang, Baoshun Du, Zuoyang Zhang, Jiateng Zhong
Summary: We report a circRNA named hsa_Circ_0000826 (Circ_0000826) that is significantly downregulated in colorectal cancer (CRC) tissues and is associated with a poor prognosis in patients. Silencing Circ_0000826 promotes CRC cell proliferation, while overexpression of Circ_0000826 inhibits CRC cell proliferation. Furthermore, Circ_0000826 can bind to AUF1 and competitively inhibit its binding to c-MYC 30-UTR, leading to decreased c-MYC expression and cell proliferation.
JOURNAL OF GENETICS AND GENOMICS
(2023)
Article
Orthopedics
Zijie Xu, Yifan Song, Ronghui Deng, Jing Ye, Xinjie Wang, Haijun Wang, Jia-Kuo Yu
Summary: The study compares the values and relationship of tibial tubercle lateralization measurements between CT and MRI. The results suggest that the values measured by MRI may underestimate tibial tubercle lateralization compared to CT, but the values in the other modality can be estimated using regression equations. Therefore, an additional CT scan for tibial tubercle lateralization evaluation may not be necessary.
KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY
(2023)
Article
Chemistry, Physical
Yan Yang, Shipeng Wan, Ruonan Wang, Man Ou, Xiao Fan, Qin Zhong
Summary: A thin NiFe-MOF layer grafted O-vac-BVO photoanode was fabricated, which improved charge separation and transfer efficiency, and effectively inhibited photocorrosion, resulting in outstanding photocurrent density and chemical stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Yan Yang, Shipeng Wan, Si Li, Ruonan Wang, Man Ou, Biming Liu, Qin Zhong
Summary: In this study, a NiFeOx co-catalyst decorated N-incorporated BiVO4 photoanode (N-BiVO4/NiFeOx) was developed, which not only improves charge transport efficiency but also effectively suppresses photo-corrosion, exhibiting excellent chemical stability, efficient water oxidation, tetracycline hydrochloride (TCH) degradation, and H2 production performance. This work offers a promising avenue for designing high-performance photoanodes and provides new insights into antibiotic wastewater treatment.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Ruonan Wang, Zhen Wang, Xiaofang Shang, Yan Yang, Jie Ding, Qin Zhong
Summary: Here, a new photocatalyst for CO2 photoreduction reaction in water media is designed by decorating NH2-MIL-125 with NiTiLDH. The optimized photocatalyst exhibits high electron yields and CO selectivity with an S-scheme electron transfer mode. The electron acceptor NTL plays a crucial role in electron transfer and CO2 fixation, while NM facilitates H2O oxidation. Furthermore, the study provides valuable insights into the reaction mechanism and the enhancement mechanism of the CO2 photoreduction reaction.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Crystallography
Lijuan Zhang, Xiaolong Jiang, Jing Chen, Chuanchao Zhang, Lianghong Yan, Haijun Wang, Xiaoyu Luan, Wei Liao, Xiaodong Jiang, Yong Jiang
Summary: In this paper, single-layer SiO2 sol-gel antireflection films pretreated by triple-frequency laser with different parameters are characterized by macroscopical parameters such as transmittance, refractive index, and thickness. The law of surface modification and the defect removal mechanism of the SiO2 sol-gel antireflection film by laser conditioning are obtained. It is found that laser conditioning can reduce the thickness of the film, introduce densification, and eliminate micro-defects, which is the main reason for improving the laser damage resistance of films.
Article
Chemistry, Multidisciplinary
Xinyao Dong, Zhihui Yao, Yuting Li, Juan Wang, Qin Zhong
Summary: In this study, a high-performance and low-cost bifunctional catalyst BZIF-C@LDH was successfully designed for oxygen reduction and oxygen evolution reactions in rechargeable Zn-air batteries (RZABs). The catalyst showed excellent performance and achieved a high energy density, which is close to the theoretical energy density when compared to commercial catalysts.
Article
Radiology, Nuclear Medicine & Medical Imaging
Mengqi Wang, Chengbin Duan, Shun Yao, Jinping Chen, Shaolin Zhang, Zongming Wang, Bin Hu, Zhigang Mao, Haijun Wang, Yonghong Zhu, Wenli Chen
Summary: Monitoring postoperative biochemical levels in acromegaly patients, especially those in developing countries, is a challenge. In this study, a mobile and low-cost method using MobileNetv2-based transfer learning algorithm was established to predict biochemical remission. The algorithm showed high accuracy in predicting biochemical remission in both the training and validation cohorts.
QUANTITATIVE IMAGING IN MEDICINE AND SURGERY
(2023)
Article
Public, Environmental & Occupational Health
Qiang Feng, Chao-Qun Fan, Jing-Jing Wang, Huan Wang, Dong-Ming Wu, George P. Nassis, Mei Wang, Hai-Jun Wang
Summary: This study found that exposure to green space and engaging in sufficient physical activity are protective factors against low muscle strength in Chinese adults. The combination of increased green space exposure and physical activity may have a greater effect on improving muscle strength. Therefore, incorporating green spaces into city design and built environments is recommended.
FRONTIERS IN PUBLIC HEALTH
(2023)
Article
Pediatrics
Yunfei Xing, Jiangao Fan, Hai-Jun Wang, Hui Wang
Summary: This study compared the clinical features of children with metabolic-associated fatty liver disease (MAFLD) and nonalcoholic fatty liver disease (NAFLD), and found that most clinical features were similar between the two groups, with over 75% of children with NAFLD also being diagnosed with MAFLD. However, approximately 19% of children with NAFLD could not be categorized as MAFLD.
Article
Materials Science, Multidisciplinary
Haijun Wang, Xichen Zhao, Heng Zhang, Xianwen Zou, Dianlong Jia, Wenjian Liu, Baoqing Tian, Dandan Yuan, Yihui Li, Yao Zhu, Fan Zhang, Yongsi Dai, Yu Fan, Yuchun Wei, Xiao Sun, Qing Fan, Jian Dong
Summary: A novel epidermal growth factor receptor (EGFR)-antagonistic affibody-functionalized Pt-based nanozyme was developed to enhance the radiosensitivity of EGFR-positive tumors. The nanozyme exhibited catalase-like activity and strong radiation energy absorption ability, and achieved superior tumor homing through EGFR receptor-mediated endocytosis. It significantly inhibited HIF-1a expression and increased RT-induced DNA damage, showing promising potential as a targeted radiosensitizer.
MATERIALS TODAY ADVANCES
(2023)
Article
Green & Sustainable Science & Technology
Wenhua Li, Shule Zhang, Fengye Guo, Run Yu, Qianqiao Chen, Qin Zhong
Summary: Designing and constructing a delicate structure is an effective strategy to ensure the electrocatalytic stability of catalysts in quantum dot sensitized solar cells. In this study, ultrafine Co4N nanoparticles are encapsulated in a fish-scale-like N-doped carbon framework (Co4N@NC) to improve the stability and performance of the catalyst. The construction of this composite structure increases contact with the electrolyte, enhances electron conduction, and boosts the polysulfide reduction performance.
MATERIALS TODAY SUSTAINABILITY
(2023)
Correction
Automation & Control Systems
Pengfei Yin, Zhonghua Liu, Di Wu, Hua Huo, Haijun Wang, Kaibing Zhang
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
(2023)
Article
Environmental Sciences
Shuang Zhou, Tiantian Li, Na Han, Kai Zhang, Yi Zhang, Qin Li, Yuelong Ji, Jue Liu, Hui Wang, Jianlin Hu, Ting Liu, Hein Raat, Haijun Wang
Summary: This study examined the effects of prenatal exposure to PM2.5 on childhood growth, specifically on BMI Z-scores in the first three years. The results showed that prenatal exposure to PM2.5 and its constituents were associated with higher BMI Z-scores in children. The study highlights the importance of developing public health policies to control harmful PM2.5 constituents for the promotion of child health.
ENVIRONMENTAL RESEARCH
(2023)
