Article
Engineering, Environmental
Yeonjoo Ahn, Janghyuk Moon, Seoung Eun Park, Jaeho Shin, Jang Wook Choi, Ki Jae Kim
Summary: A new electrocatalyst Bi-C composed of Ketjenblack (KB) carbon with embedded bismuth nanoparticles has been developed to enhance the electrochemical activity of Cr2+/Cr3+ redox reactions and inhibit the hydrogen evolution reaction in iron-chromium redox flow batteries (ICRFBs). The synergistic effect of Bi and KB in the catalyst provides active sites for redox reactions and inhibits hydrogen evolution, resulting in high energy efficiency and excellent capacity retention in ICRFB cells. This study offers a promising design principle for addressing critical issues in ICRFBs using intelligent hybrid materials.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Green & Sustainable Science & Technology
Maria Mechili, Christos Vaitsis, Nikolaos Argirusis, Pavlos K. Pandis, Georgia Sourkouni, Christos Argirusis
Summary: Zinc-air batteries have great potential in the power sources sector due to their high energy capacity and eco-friendly characteristics. However, the practical large-scale adoption of rechargeable alka-line aqueous ZABs is hindered by poor resistivity and cyclability. This article provides a detailed summary of the electrochemical properties and performance of transition metal oxide-based materials as bifunctional electrocatalysts in zinc-air batteries, aiming to provide a foundation for further research in performance-oriented electrocatalysts. Recent advances in simple metal oxide, spinel oxide, and perovskite oxide-based nanomaterials and nanohybrids are also examined in rechargeable liquid alkaline ZAB configurations.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Review
Chemistry, Physical
Dong Sui, Meijia Chang, Haiyu Wang, Hang Qian, Yanliang Yang, Shan Li, Yongsheng Zhang, Yingze Song
Summary: Na-CO2 batteries, as an emerging energy storage technology with high energy density, are hindered in commercial applications due to unsatisfactory electrochemical performance. Research on developing efficient catalytic cathode materials for Na-CO2 batteries has made progress, but further efforts are needed.
Article
Chemistry, Multidisciplinary
Shuo Zhao, Chenchen Wang, Dongfeng Du, Lin Li, Shulei Chou, Fujun Li, Jun Chen
Summary: A novel bifunctional cation additive TBA(+) is introduced in this study to enhance the cycling stability and Coulombic efficiency of aprotic Na-O-2 batteries. Experimental results show that the addition of TBA(+) improves the rate capability of the batteries.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Yingtong Chen, Guanzhou Li, Liang Hong, Yating Wang, Naiguang Wang, Zhiling Liu, Wen-Feng Lin, Zhicong Shi
Summary: A highly efficient ORR/OER electrocatalyst, NiFe2O4/FeNC, has been designed, fabricated, and demonstrated using low-cost materials through a facile synthesis route. The electrocatalyst exhibits high performance in the oxygen reduction and evolution reactions, leading to improved charge and discharge properties of the zinc-air battery.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Chenhui Zhou, Xiao Chen, Shuo Liu, Ying Han, Haibing Meng, Qinyuan Jiang, Siming Zhao, Fei Wei, Jie Sun, Ting Tan, Rufan Zhang
Summary: A Mn-doped RuO2 bimetallic oxide with atomic-scale dispersion of Mn atoms exhibits remarkable activity and super durability for both ORR and OER, providing a new catalyst design strategy for Zn-air batteries.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Materials Science, Multidisciplinary
Haoyang Xu, Ruixin Zheng, Dayue Du, Longfei Ren, Runjing Li, Xiaojuan Wen, Chuan Zhao, Ting Zeng, Bo Zhou, Chaozhu Shu
Summary: This study investigates the bifunctional catalytic activity of V2-xO5@V2C MXene on the oxygen electrode reaction in Li-O-2 batteries. The results demonstrate excellent performance of the V2-xO5@V2C MXene-based Li-O-2 battery, with high energy efficiency and over 500 cycles of excellent cycling performance. Density functional theory calculations confirm that cationic vanadium vacancies can enhance the electrocatalytic activity of transition metal oxides by providing abundant active sites and optimizing reactant adsorption.
SCIENCE CHINA-MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Yuting Zhu, Zhongxiao Wang, Jing Gao, Rui Sun, Longwei Yin, Chengxiang Wang, Zhiwei Zhang
Summary: In this study, Co-doped MnCr2O4 (MnCoCrO) with a lamellar structure was prepared and it was found that the incorporation of Co greatly increased the adsorption capacity of the active site for LiO2, leading to improved cycle life of the lithium-oxygen batteries (LOBs).
INORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Physical
Tianyan Lan, Hongmei Du, Yunwu Li, Konggang Qu, Jinsheng Zhao, Xianxi Zhang, Yunyun Dong, Yan Zhang, Xueyue Zhang, Danyang Zhang
Summary: The development of bifunctional electrocatalysts is crucial for enhancing the performance of Zn-air batteries by reducing polarization loss. The combination of metal-organic frameworks (MOFs) with metal or metallic compounds offers a way to integrate their advantages and effectively improve their electrocatalytic performances. However, previous synthesis methods often involve high-temperature calcination, making it difficult to control the morphology of MOFs/metal oxides.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Jong Hun Ryu, Jaehyun Park, Jeongwoo Park, Jinhong Mun, Eunmi Im, Hojeong Lee, Sung You Hong, Kwangjin An, Geunsik Lee, Youngsik Kim, Pil Sung Jo, Seok Ju Kang
Summary: This study introduces a bifunctional N-Co alloy electrocatalyst prepared by carbothermal shock method to improve the performance of seawater batteries, including the activities of oxygen evolution and reduction reactions. Compared to traditional carbon cathodes, this improvement enables seawater batteries to have better charge-discharge performance and cycle stability.
ENERGY STORAGE MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Krishnakanth Sada, Ritambhara Gond, Neha Bothra, Swapan K. Pati, Prabeer Barpanda
Summary: This study reports a new pyrophosphate material, K2CoP2O7, as a cathode material for secondary zinc-air batteries with efficient oxygen evolution and reduction activities. The nanoscale K2CoP2O7 prepared by autocombustion exhibited superior performance among all phosphate-based electrocatalysts, surpassing the commercial RuO2 in oxygen evolution reaction (OER) activity. First-principles calculations revealed that the bifunctional activity is attributed to the Co active site on the most stable (110) surface. This nanostructured pyrophosphate can serve as an economic bifunctional catalyst for zinc-air batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Wenhao Tang, Boya Li, Kewei Teng, Xiaodong Wang, Ruiping Liu, Mengwei Wu, Lei Zhang, Pengfei Ren, Junqing Zhang, Ming Feng
Summary: This review focuses on the sluggish reaction kinetics at the oxygen cathode in metal-air batteries, which is a major obstacle to their commercialization. The use of noble-metal electrocatalysts has been a potential solution, but their high cost and scarcity hinder their widespread application. The review discusses the mechanisms of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), proposes principles for bifunctional electrocatalysts, and presents state-of-the-art catalysts based on carbon and transition-metal materials. Additionally, it explores self-supporting 3D noble-metal-free bifunctional ORR/OER catalysts and provides perspectives on the future development of bifunctional electrocatalysts.
JOURNAL OF MATERIOMICS
(2022)
Article
Materials Science, Multidisciplinary
Li Wang, Liang Wang, Yi Du, Xun Xu, Shi Xue Dou
Summary: Bismuth oxyhalides are promising materials for photocatalysis and electrocatalysis due to their high specific surface areas and unique properties. Various strategies have been explored to enhance their photocatalytic activities, with recent progress in CO2 reduction using bismuth-oxyhalides-templated electrocatalysts. Future directions include developing superior photoelectrochemical devices and industrial applications.
MATERIALS TODAY PHYSICS
(2021)
Article
Chemistry, Physical
Neda Hosseinzadeh, Sajjad Habibzadeh, Rouein Halladj
Summary: Photoelectrocatalytic pollutant degradation is a promising advanced oxidation process for wastewater treatment, and its efficiency relies heavily on the development of photoelectrocatalyst materials. In this study, ternary Ti0.2-Vx-Bi(0.8-x)-oxides were synthesized and applied as photoelectrocatalysts for pollutant degradation. The optimal composition of Ti0.2V0.4Bi0.4-oxide exhibited superior performance in terms of photocurrent, degradation time, and could efficiently degrade methyl orange and rifampin solutions under visible light irradiation. The excellent activity and stability of Ti0.2V0.4Bi0.4-oxide make it an efficient photoelectrocatalyst for pollutant degradation.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Debanjali Ghosh, Mopidevi Manikanta Kumar, C. Retna Raj, Debabrata Pradhan
Summary: In this study, CeO2 nanospheres embedded in NiO nanoflakes were synthesized and demonstrated to have bifunctional activity for the oxygen evolution reaction and oxygen reduction reaction (OER/ORR). The CeO2/NiO-2 nanocomposite showed outstanding OER/ORR activity and stability compared to other compositions and benchmark catalysts. The unique morphology of CeO2 nanospheres embedded in NiO nanoflakes facilitated the exposure of active sites with the bifunctional nature of the catalyst. The electronic synergy between CeO2 and NiO contributed to the formation of oxygen vacancy defects and accessible active sites.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Xinping Zhang, Yuxin Guo, Xiaoyang Liu, Shun-Yu Wu, Ya-Xuan Zhu, Shao-Zhe Wang, Qiu-Yi Duan, Ke-Fei Xu, Zi-Heng Li, Xiao-Yu Zhu, Guang-Yu Pan, Fu-Gen Wu
Summary: This study develops a nanotrigger HCFT for simultaneous photodynamic therapy and light-triggered ferroptosis therapy. The nanotrigger can relieve tumor hypoxia, induce enhanced photodynamic reaction, and facilitate the continuation of Fenton reaction, ultimately leading to lethal ferroptosis in tumor cells.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Olumide Bolarinwa Ayodele, Toyin Daniel Shittu, Olayinka S. Togunwa, Dan Yu, Zhen-Yu Tian
Summary: This study focused on the semihydrogenation of acetylene in an ethylene-rich stream using two alloyed Pt catalysts PtCu and PtCo. The PtCu catalyst showed higher activity and ethylene yield compared to PtCo due to its higher unoccupied Pt d-orbital density. This indicates that alloying Pt with Cu is more promising for industrial relevant SHA catalyst.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Guowei Chen, Wen-Cheng Chen, Yaozu Su, Ruicheng Wang, Jia-Ming Jin, Hui Liang, Bingxue Tan, Dehua Hu, Shaomin Ji, Hao-Li Zhang, Yanping Huo, Yuguang Ma
Summary: This study proposes an intramolecular dual-locking design for organic luminescent materials, achieving high luminescence efficiency and performance for deep-blue organic light-emitting diodes. The material also exhibits unique mechanochromic luminescence behavior and strong fatigue resistance.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Joren van Stee, Gregory Hermans, Jinu Joseph John, Koen Binnemans, Tom Van Gerven
Summary: This work presents a continuous solvent extraction method for the separation of cobalt and nickel in a millifluidic system using Cyphos IL 101 (C101) as the extractant. The optimal conditions for extraction performance and solvent properties were determined by investigating the effects of channel length, flow rate, and temperature. The performance of a developed manifold structure was compared to a single-channel system, and excellent separation results were achieved. The continuous separation process using the manifold structure resulted in high purity cobalt and nickel products.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Yan Xu, Jingai Jiang, Xinyi Lv, Hui Li, Dongliang Yang, Wenjun Wang, Yanling Hu, Longcai Liu, Xiaochen Dong, Yu Cai
Summary: A programmed gas release nanoparticle was developed to address the challenges in treating diabetic infected wounds. It effectively removes drug-resistant pathogens and remodels the wound microenvironment using NO and H2S. The nanoparticle can eliminate bacteria and promote wound healing through antibacterial and anti-inflammatory effects.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Tong Xia, Zhilin Xi, Lianquan Suo, Chen Wang
Summary: This study investigated a highly efficient coal dust suppressant with low initial viscosity and high adhesion-solidification properties. The results demonstrated that the dust suppressant formed a network of multiple hydrogen bonding cross-linking and achieved effective adhesion and solidification of coal dust through various chemical reactions.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Jinzhi Cai, Zhenshan Li
Summary: A density functional theory-based rate equation was developed to predict the gas-solid reaction kinetics of CaO carbonation with CO2 in calcium looping. The negative activation energy of CaO carbonation close to equilibrium was accurately predicted through experimental validation.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Jianxiong Chen, Fuhao Ren, Ningning Yin, Jie Mao
Summary: This study presents an economically efficient and easily implementable surface modification approach to enhance the high-temperature electrical insulation and energy storage performance of polymer dielectrics. The self-assembly of high-insulation-performance boron nitride nanosheets (BNNS) on the film surface through electrostatic interactions effectively impedes charge injection from electrodes while promoting charge dissipation and heat transfer.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Zijian Li, Zhaohui Yang, Shao Wang, Hongxia Luo, Zhimin Xue, Zhenghui Liu, Tiancheng Mu
Summary: This study reports a strategy for upgrading polyester plastics into value-added chemicals using electrocatalytic methods. By inducing the targeted transfer of *OH species, polyethylene terephthalate was successfully upgraded into potassium diformate with high purity. This work not only develops an excellent electrocatalyst, but also provides guidance for the design of medium entropy metal oxides.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Navneet Singh Shekhawat, Surendra Kumar Patra, Ashok Kumar Patra, Bamaprasad Bag
Summary: This study primarily focuses on developing a sulphur dyeing process at room temperature using bacterial Lysate, which is environmentally friendly, energy and cost effective, and sustainable. The process shows promising improvements in dye uptake and fastness properties.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Dengjia Shen, Hongyang Ma, Madani Khan, Benjamin S. Hsiao
Summary: This study developed cationic PVC nanofibrous membranes with high filtration and adsorption capability for the removal of bacteria and hexavalent chromium ions from wastewater. The membranes demonstrated remarkable performance in terms of filtration efficiency and maximum adsorption capacity. Additionally, modified nanofibrous membranes were produced using recycled materials and showed excellent retention rates in dynamic adsorption processes.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Xiaoyan Wang, Zhikun Wang, Ben Jia, Chunling Li, Shuangqing Sun, Songqing Hu
Summary: Inspired by photosystem II, self-supported Fe-doped NiCoP nanowire arrays modified with carboxylate were constructed to boost industrial-level overall water splitting by employing the concerted proton-coupled electron transfer mechanism. The introduction of Fe and carboxyl ligand led to improved catalytic activity for HER and OER, and NCFCP@NF exhibited long-term durability for overall water splitting.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Pengyao Yu, Ge Yang, Yongming Chai, Lubomira Tosheva, Chunzheng Wang, Heqing Jiang, Chenguang Liu, Hailing Guo
Summary: Thin LTA zeolite membranes were prepared through secondary growth of nano LTA seeds in a highly reactive gel, resulting in membranes with superior permeability and selectivity in gas separation applications.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Baiqin Zhou, Huiping Li, Ziyu Wang, Hui Huang, Yujun Wang, Ruichun Yang, Ranran Huo, Xiaoyan Xu, Ting Zhou, Xiaochen Dong
Summary: The use of machine learning to predict the performance of specific adsorbents in phosphate adsorption shows great promise in saving time and revealing underlying mechanisms. However, the small size of the dataset and insufficient detailed information limits the model training process and the accuracy of results. To address this, the study employs a fuzzing strategy that replaces detailed numeric information with descriptive text messages on the physiochemical properties of adsorbents. This strategy allows the recovery of discarded samples with limited information, leading to accurate prediction of adsorption amount, capacity, and kinetics. The study also finds that phosphate uptake by adsorbents is generally through physisorption, with some involvement of chemisorption. The framework established in this study provides a practical approach for quickly predicting phosphate adsorption performance in urgent scenarios, using easily accessible information.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Paula Alejandra Lamprea Pineda, Joren Bruneel, Kristof Demeestere, Lisa Deraedt, Tex Goetschalckx, Herman Van Langenhove, Christophe Walgraeve
Summary: This study evaluates the use of four esterified fatty acids and three vegetable oils as absorption liquids for hydrophobic VOCs. The experimental results show that isopropyl myristate is the most efficient liquid for absorbing the target VOCs.
CHEMICAL ENGINEERING JOURNAL
(2024)