Article
Engineering, Chemical
Oleg Korchagin, Viktor V. Emets, Vera A. Bogdanovskaya, Oleg Tripachev, Sergey Dolgopolov, Vladimir N. Andreev
Summary: A positive electrode architecture for a lithium-oxygen battery (LOB) based on carbon nanotubes with large-volume pores and a Li-Nafion solid polymer electrolyte (SPE) has been developed, achieving a discharge capacity of up to 27000 mA h g(-1). The SPE-LOB demonstrates higher cycling stability compared to LOB with liquid electrolyte, attributed to prevention of gas pore flooding, reduction in system ohmic resistance, and formation of independent transfer channels.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Chemistry, Physical
Hongjiao Wang, Bo Fan, Zhongkuan Luo, Qixing Wu, Xuelong Zhou, Fang Wang
Summary: A new type of three-dimensional NiO@NiCo2O4 hierarchical structure cathode has been developed, which can effectively enhance the discharge capacity and cycle stability of Li-O-2 batteries. NiCo2O4 is beneficial for the ORR/OER processes, while NiO provides a porous scaffold to avoid nanowires aggregation and promote by-products decomposition.
CATALYSIS SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Physical
Hao Wu, Ru Xiao, Yu Qiu, Hongzhi Wang
Summary: Fluorine-doped NiCo2O4 nanofibers with oxygen vacancies are explored as a high-performance host in Li-S batteries. Regulating the formation of the CEI layer improves the reaction kinetics and cycling stability. The optimized electrode delivers high capacity and low fading rate, making it suitable for Li-S batteries.
APPLIED SURFACE SCIENCE
(2023)
Article
Multidisciplinary Sciences
Mokwon Kim, Hyunpyo Lee, Hyuk Jae Kwon, Seong-Min Bak, Cherno Jaye, Daniel A. Fischer, Gabin Yoon, Jung O. Park, Dong-Hwa Seo, Sang Bok Ma, Dongmin Im
Summary: A newly proposed strategy involves designing a highly conductive ruthenium-based composite as a carbon-free cathode to improve the cycle life and capacity of solid-state lithium-oxygen batteries. By utilizing this approach, the batteries achieved a specific capacity of 200 milliampere hour per gram over 665 discharge/charge cycles, showcasing a notable improvement compared to existing cathodes.
Article
Engineering, Environmental
Cheng Chen, Hang Su, Li-Na Lu, Yang-Shan Hong, Yunzhen Chen, Kang Xiao, Ting Ouyang, Yanlin Qin, Zhao-Qing Liu
Summary: By constructing multiphase interfaces, the number of active species on oxygen electrocatalysts was increased, improving catalytic activity for oxygen reduction and oxygen evolution reactions. The resulting catalyst showed superior performance in Zn-air battery, highlighting the synergistic effect between multiphase interfaces in transition metal composite catalysts. This work provides a promising strategy for preparing efficient and stable transition metal electrocatalysts.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Jiachen Qiu, Yuran Lin, Shuting Zhang, Jie Ma, Yu Zhang, Mengwei Yuan, Genban Sun, Caiyun Nan
Summary: A series of hollow catalysts were synthesized based on the structure of cubic zeolitic imidazolate framework-67 (ZIF-67) through different chemical etching treatments. The TA-ZIF catalyst with a more stable hollow structure and more oxygen vacancies was found to significantly improve the performance of Li-O-2 batteries.
Article
Chemistry, Physical
Pallavi Thakur, Anand B. Puthirath, Pulickel M. Ajayan, Tharangattu N. Narayanan
Summary: This study reports the development of a high capacity, long-term cyclability, and low-cost non-aqueous Li-O-2 battery, and reveals the influence of catalyst's porosity and structure on battery performance. The results show the potential of Li-O-2 batteries as low-cost energy systems with high energy density and power density.
Article
Chemistry, Physical
Xingzi Zheng, Mengwei Yuan, Jingshen Xu, Zihan Li, Caiyun Nan, Genban Sun
Summary: Constructing interfaces in heterostructures is an effective method for modulating electronic properties of electrocatalysts. In this study, a hollow CoMoO4-Co3O4 heterostructure was prepared and used as a bifunctional electrocatalyst for Li-O-2 battery, showing excellent battery performance.
Article
Chemistry, Physical
Weiwei Bao, Lei Xiao, Junjun Zhang, Peng Jiang, Xiangyu Zou, Chunming Yang, Xiaoli Hao, Taotao Ai
Summary: This study demonstrates the fabrication of vertically grown NiCo2O4 nanosheets on Ti mesh via a solvothermal method, resulting in a highly efficient and stable OER catalyst with low overpotential and high durability. The enhanced OER activity is attributed to the facilitated electron transfer at the NiCo2O4/Ti interface, as revealed by X-ray photoelectron spectroscopy.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Nanoscience & Nanotechnology
Xiaoyang Chen, Jian Chen, Yijie Liu, Yang Liu, Yun Gao, Siwei Fan, Xiangxi He, Xiaohao Liu, Chao Shen, Yong Jiang, Li Li, Yun Qiao, Shulei Chou
Summary: Metal-CO2 batteries, especially Li-CO2 and Na-CO2 batteries, have high energy density and CO2 capture capability, but the accumulation of carbonates during charge-discharge cycles restricts their practical application. Efficient catalysts, such as sea urchin-like ?-MnO2, can improve the electrochemical performance of metal-CO2 batteries by promoting carbonate decomposition.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Mengyuan Song, Changhao Tian, Chunguang Chen, Tao Huang, Aishui Yu
Summary: Lithium-oxygen batteries have high energy density, but conventional liquid electrolytes struggle to form a stable solid electrolyte interface (SEI) on the cathode surface for long-term stable cycling. LiBOB is added to the LiTFSI-based electrolyte to solve this issue. The introduction of LiBOB induces the dissociation equilibrium of the lithium salt positively, resulting in an electrolyte with good ionic conductivity. Different amounts of LiBOB exhibit different characteristics in electrochemical performance, with trace amounts improving discharge capacity. The synergistic effect of the LiTFSI-LiBOB dual-salt electrolyte forms a protective SEI, leading to comparable cycling performance.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Weiwei Bao, Yan Li, Junjun Zhang, Taotao Ai, Chunming Yang, Liangliang Feng
Summary: In this study, a heterostructure oxygen evolution reaction (OER) catalyst was fabricated by combining MoS2 nanosheets with NiCo2O4 hollow spheres on a titanium mesh. Due to the heterogeneous nanointerface between NiCo2O4 and MoS2, this electrocatalyst exhibited excellent OER activity in a basic environment with overpotentials of 313 and 380 mV achieving 10 and 100 mA cm(-2), respectively. The outstanding catalytic performance can be attributed to the hollow nanostructure and interfacial engineering strategy that enhance intrinsic activity and provide faster charge transfer. Therefore, this work provides a feasible path for the development of highly efficient catalysts.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Qinghua Deng, Yong Yang, Wentian Zhao, Zheng Tang, Kai Yin, Youchao Song, Yiwei Zhang
Summary: By leveraging designed electronic oxide-metal interactions, cerium-supported copper demonstrates remarkable competitiveness in the carbon dioxide reduction reaction. However, the limited utilization efficiency of conventional cerium oxide support hampers the effectiveness of these interactions. Additionally, the influence of distinct crystalline surfaces of CeO2 on loaded copper species is not well understood.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Engineering, Environmental
Jiafeng He, Hu Hong, Qi Feng, Xiaoke Wang, Xiliang Zhao, Minwei Xu, Xiang Wu, Hongfei Li, Chunyi Zhi, Cuiping Han
Summary: The cobalt polyphthalocyanine with defective polymeric layered structure (D-CoPPc) prepared by annealing treatment exhibits excellent catalytic activity, high conductivity, and structural stability in Li-O2 batteries, showing potential to improve the specific capacity, rate capability, and cycling stability of the battery.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Xiaolong Guo, Xinyu Zhang, Yong Wu, Yuci Xin, Dongmei Li, Yuxin Zhang, Peng Yu
Summary: Spinel copper cobaltite (CuCo2O4), as a bifunctional oxygen electrocatalyst, has attracted significant research interest due to its tailored electronic structure and adjustability of active area. However, its poor oxygen evolution reaction (OER) performance hinders its practical use in rechargeable zinc-air batteries. Therefore, researchers have constructed a CuCo2O4/NiFe LDH oxide/hydroxide interface to enhance OER activity and reduce charging overpotential. The achieved electrocatalysts show improved OER performance, resulting in high round-trip efficiency and low voltage gap in zinc-air batteries.
DALTON TRANSACTIONS
(2023)
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)