Article
Engineering, Environmental
Yang Song, Minjing Shang, Junguo Li, Yuanhai Su
Summary: A slug-based microreactor system was utilized to integrate the redox reaction between KMnO4 and MnSO4 with the chemical oxidative polymerization of pyrrole, resulting in the preparation of MnO2/PPy composite with a typical core-shell structure. The morphology of the composite material was significantly influenced by the molar ratio and residence time, showing a competition between pyrrole polymerization and MnO2 crystallization. The electrochemical performance of the core-shell composite material was enhanced, demonstrating the synergistic effect between MnO2 and PPy.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Shaoyun Chen, Huan Cheng, Du Tian, Qi Li, Min Zhong, Jian Chen, Chenglong Hu, Hongbing Ji
Summary: The study successfully prepared core-shell PPy@PANI nanospheres with excellent electrochemical performance as electrode materials for supercapacitors. The thickness of the PANI shell and the sea urchin-like shape of PANI have important effects on the specific capacitance and performance of the nanospheres.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Shang Wu, Qiaoliang Feng, Sheng Zhou, Huanlei Zhao, Xin Xu, Qiong Su, Yanbin Wang, Yuzhi Sun, Quanlu Yang
Summary: Scientists have improved the conductivity of PBAs by coating nickel cobalt hexacyanoferrate (Ni2CoHCF) with polypyrrole, which demonstrated outstanding specific capacity. The Ni2CoHCF@PPy-400 microspheres, when coupled with activated carbon, showed a high energy density and good cycle stability, making them a promising candidate for advanced energy storage devices.
Article
Chemistry, Physical
Xiaoyu Huang, Yuan Yang, Jialu Zhao, Yin Huang, Xiuhua Wang
Summary: In this study, a dual-core layer hollow structure Co3S4@NiCo2S4 nanocages supercapacitor electrode material was successfully synthesized using an appropriate ion-exchange strategy and subsequent vulcanization treatment of MOFs. The Co3S4@NiCo2S4 electrode exhibited a specific capacitance of 1202 F g-1 at 1 A g-1 and retained 80% of its initial capacity at 10 A g-1. The integrated Co3S4@NiCo2S4//AC asymmetric supercapacitor achieved an energy density of 58 Wh kg-1 at a power density of 750 W kg-1. It also showed a capacitance retention of 81.8% after 10,000 galvanostatic charge-discharge cycles. The individual nanostructure and excellent electrochemical properties of Co3S4@NiCo2S4 nanocages provide a rational strategy for developing high-energy-density supercapacitor electrode materials based on MOFs derivatives.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Environmental Sciences
Jie Zhou, Wen Huang, Bin Qiu, Qian Hu, Xiang Cheng, Zhanhu Guo
Summary: The study demonstrated that the core-shell structured PPy@PANI has good performance in enhancing methane production from anaerobic wastewater treatment, with significant improvements in methane production rate and yield. The optimal dosage was found to be 0.6 g/L, which resulted in a high methane production rate. The mechanisms behind the enhanced methane production rate were attributed to PPy@PANI enriching functional microorganisms and enhancing organic degradation and electron transfer.
Article
Chemistry, Analytical
Congmei Yue, Boyang Hu, Wenjing Huang, Aifeng Liu, Zengcai Guo, Jingbo Mu, Xiaoliang Zhang, Xiaoyan Liu, Hongwei Che
Summary: In this work, PPy@CoP core-shell heterogeneous nanostructures are grown directly on Ni foam using a two-step electrochemical synthesis method, showing superior electrochemical and cycling performance for high-performance supercapacitor applications. The rational design of heterostructures based on PPy and metal phosphides offers new insights for the development of high-performance SCs.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Chunli Guo, Yuyu Zhang, Minshuai Yin, Jianhui Shi, Weike Zhang, Xiaomin Wang, Yucheng Wu, Jianchao Ma, Du Yuan, Chuankun Jia
Summary: A novel Co3O4@Co3S4 core-shell neuroid network electrode has been designed, which offers excellent electrochemical performance while maintaining high cycle stability. The electrode is able to retain its structure effectively during cycling and has a high specific capacity.
JOURNAL OF POWER SOURCES
(2021)
Article
Materials Science, Multidisciplinary
Wei Song, Hai Wang, Konrad Koenigsmann, Shuyuan Zhang, Ling Ren, Ke Yang
Summary: Fatigue strength is crucial for evaluating titanium alloy orthopedic implants. The fabrication of a triple-phase core-shell micro-nanostructure in Ti6Al4V5Cu alloy enhances its fatigue resistance. The average grain size of α, β, and Ti2Cu phases are 585 nm, 421 nm, and 135 nm, respectively. The formation of plastic zones at the crack tip by the soft β phase in the conjugated b/Ti2Cu shells impedes fatigue crack propagation. The fatigue strength of the core-shell structured alloy is 750 MPa, 36.3% higher than Ti6Al4V alloy.
MATERIALS & DESIGN
(2023)
Article
Chemistry, Physical
Jingwei Zhou, Zhen Zhang, Qiheng Wang, Mao Mao, Haixia Zhang, Ying Hou, Junjie Guo
Summary: Constructing heterostructured electrode materials is a promising strategy for improving the performance of supercapacitors. In this study, novel nanoarrays with Cu(OH)2 nanorod cores and nickel oxalate shells were grown on copper foam as electrode materials for boosting the performance of supercapacitors.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Leqiu He, Yan Wang, Yan Xu, Wangfeng Cai, Manlin Zhu, Hongbo Wang
Summary: The core-shell NiSe@alpha-Ni(OH)2 structure, prepared on Ni-foam via a facile two-step hydrothermal synthesis, exhibits excellent performance and stability in supercapacitors due to its unique architecture.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Energy & Fuels
Xian Huang, Rui Yang, Huiqun Yin, Yiyan Mo, Xiuyan Shi, Wangsheng Li, Shuge Dai, Aimiao Qin, Kaiyou Zhang
Summary: In this study, a composite material of CuO nanowires and NiCo-LDH nanoplates was fabricated using wet chemistry and hydrothermal methods, resulting in a three-dimensional core-shell structure with high specific surface area. The composite exhibited excellent electrochemical performance and bending performance.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Multidisciplinary Sciences
Liang Chang, Shaoqin Chen, Yuhuan Fei, Dario J. Stacchiola, Yun Hang Hu
Summary: This study achieves a high areal capacitance for supercapacitor electrodes through the synthesis of a new material, providing strategic insights for the rational design of these electrodes.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Nanoscience & Nanotechnology
Miaomiao Shang, Bingjie Ma, Xueyan Hu, Ling Liu, Jin Wang, Xuan Zhang
Summary: Rapid and portable water purification technologies are increasingly important for travelers in the wild. This study presents a biomimetic nanofiber membrane with dual functions, capable of efficiently removing soluble and insoluble contaminants. The membrane shows excellent purification performance in both laboratory and field tests.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Luomeng Chao, Changwei Sun, Jiaxin Li, Miao Sun, Jia Liu, Yonghong Ma
Summary: In this paper, core-shell structured CsxWO3@TiO2 was prepared by coating CsxWO3 nanoparticles with TiO2. The crystal structure and optical properties of the material were studied. The results showed that TiO2-coated CsxWO3 exhibited good stability in actual environment, and its transparent heat shielding performance decreased with the increase in TiO2 shell thickness. This work provides a new route to promote the applications of tungsten bronze as heat shielding materials.
Article
Chemistry, Physical
Sudhakaran Moopri Singer Pandiyarajan, Ganesh Kumar Veerasubramani, Roshan Mangal Bhattarai, Gnanaselvan Gnanasekaran, Sang Jae Kim, Young Sun Mok
Summary: A hierarchical MoS2-CNT(PPy)s structure was proposed as an electrode material for a symmetric supercapacitor, exhibiting expanded interlayer spacing and core-shell structure. By adding Na2MoO4 to the PVA/H2SO4 electrolyte, the specific capacitance of the MoS2-CNTPPy SSC can be increased threefold compared to the PVA/H2SO4 electrolyte, with excellent capacity retention.
ACS APPLIED ENERGY MATERIALS
(2021)
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)