Article
Engineering, Environmental
Dongdong Liu, Zengyan Wei, Liming Liu, Hong Pan, Xiaoming Duan, Long Xia, Bo Zhong, Huatao Wang, Dechang Jia, Yu Zhou, Xiaoxiao Huang
Summary: An effective strategy of anchoring ultrafine and high content SnO2 nanoparticles in ordered mesoporous carbon framework is proposed to improve the reversible capacity and sluggish reaction kinetics of SnO2-based anodes in lithium ion batteries. The ultrafine SnO2 and ordered mesoporous structure shorten diffusion distance of Li+ and enhance conversion reaction of SnO2, leading to high reversible capacity and excellent rate capabilities. The elaborately designed SnO2@OMC anodes exhibit stable capacity even after assessment of rate capability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Chao Li, Cheng Zhang, Kuaibing Wang, Fei Yu, Jian Xie, Qichun Zhang
Summary: In this study, a functional metal-organic framework material Fe-TTTP was synthesized and used as an anode for lithium-ion batteries. The Fe-TTTP anode exhibited high reversible capacity, excellent rate performance, and extraordinary cycling stability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Hao Zhang, Youkui Wang, Ruili Zhao, Meimei Kou, Mengyao Guo, Ke Xu, Gang Tian, Xinting Wei, Song Jiang, Qing Yuan, Jinsheng Zhao
Summary: In this study, a green and cheap material was prepared by chelating humic acid with ferricions and used as an anode material in lithium-ion batteries for the first time. The results showed successful chelation between ferric ions and humic acid, leading to increased surface area of the material. The material demonstrated improved capacity retention and activation degree compared to pure humic acid material.
Article
Electrochemistry
Diganta Saikia, Juti Rani Deka, Cheng-Wei Lin, Yu-Hao Zeng, Bing-Jyun Lu, Hsien-Ming Kao, Yung-Chin Yang
Summary: A novel nanocomposite based on OMC with outstanding electrochemical performance as an anode for lithium-ion batteries is developed. The SnO2/MoS2 (1:3)@CMK-9 anode shows exceptional capacity, rate capability, and stable cycle life, indicating its potential use in next generation LIBs.
ELECTROCHIMICA ACTA
(2021)
Article
Chemistry, Physical
Ying Zhang, Pu Zhang, Yue Xu, Xiaolan Song, Hui Wang, Ting Ma
Summary: In this study, micron scale zinc manganate with pomegranate-shaped ZnMn2O4 (p-ZMO) and microsphere-shaped ZnMn2O4 (m-ZMO) were successfully synthesized by solvothermal plus calcination process. The p-ZMO anode showed larger charge capacity and better cyclic stability compared to m-ZMO during electrochemical testing.
JOURNAL OF MATERIOMICS
(2021)
Article
Chemistry, Physical
Guxin Huang, Jianing Liang, Xingguo Zhong, Haoyue Liang, Can Cui, Cheng Zeng, Shuhao Wang, Mengyi Liao, Yue Shen, Tianyou Zhai, Ying Ma, Huiqiao Li
Summary: In this study, the pre-lithiation performance of Li2C2O4 as a cathode additive was greatly improved by optimizing the combination of conductive additives and catalysts, reducing the particle size, and designing a bilayer electrode. By lowering the delithiation potential, the capacity of Li2C2O4 was increased to its theoretical value and effectively applied to a hard carbon anode.
Article
Chemistry, Physical
Tao Wei, Yilie Zhao, Rentian Chen, Sijia Wang, Yanyan Zhou, Cheng Sun, Xiangyun Qiu, Shoudong Xu, Sergey Maltsev, Zidong Yu
Summary: In this study, nitrogen-doped carbon-coated iron oxide material was prepared by a solvothermal method, which successfully addressed the issue of large volume change of iron oxide in lithium-ion batteries and improved its electronic conductivity and cycling stability.
Article
Chemistry, Physical
Caili Yang, Yixin Ran, Chenxi Gao, Zuyong Wang, Yuan-Li Ding
Summary: Li3VO4 is a promising intercalation anode material for lithium-ion batteries, but it has poor electronic conductivity. To address this issue, researchers developed a self-template strategy to construct 3D hierarchical Li3VO4/C hybrids, which show efficient electron/ion transport system.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Tong Xu, Mingshu Zhao, Zhou Su, Wenyuan Duan, Yuanzhe Shi, Zheng Li, Vilas G. Pol, Xiaoping Song
Summary: Aqueous alkali metal ion batteries with LiTi2(PO4)(3)@C/CNTs (LTP@C/CNTs) composite anode exhibit improved rate and cycling performance at high current densities compared to LiTi2(PO4)(3)@C (LTP@C). The composite anode also demonstrates a two-step sodium ion insertion/extraction behavior in ASIBs, with the LTP converting into a NTP phase after cycling, showing great potential for next-generation aqueous energy storage systems.
JOURNAL OF POWER SOURCES
(2021)
Article
Engineering, Environmental
Fangyuan Xiao, Yuruo Qi, Hao Wang, Yijun Liu, Shujuan Bao, Maowen Xu
Summary: This study investigates the electrochemical behavior of maleic acid and its contribution to lithium storage. The results suggest that the capacity is mainly derived from the corroded product of maleic acid rather than the acid itself.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Nanoscience & Nanotechnology
Fengqin Wang, Qian Ren, Zhenyu Sun, Caifu Dong, Xiaoqing Wang, Yihui Wang
Summary: CdSe nanoparticles encapsulated with rGO (CdSe@rGO) were synthesized by a metal-organic framework derived method, combining the advantages of MOF-based, CdSe-based, and rGO-based materials. CdSe@rGO showed excellent cycling stability (396 mAh g(-1) at 0.3 A g(-1) after 200 cycles, 311 mAh g(-1) at 0.5 A g(-1) after 500 cycles) and rate performance (562 mAh g(-1) at 0.1 A g(-1) and 122.2 mAh g(-1) at 4 A g(-1)) for lithium-ion storage. This strategy can be extended to design other high-performance materials.
Article
Engineering, Multidisciplinary
Vinoth Ganesan, Do-Hyeon Kim, Ki-Hun Nam, Cheol-Min Park
Summary: A robust hierarchical nanocube framework CoS2-C-CNT composite with nanocrystalline CoS2 encapsulated in a carbon matrix entangled in carbon nanotubes was synthesized and showed superior Li/Na-ion storage performances, delivering large reversible capacity, excellent cycling, and fast rate behavior during insertion and extraction processes.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Nanoscience & Nanotechnology
Haitao Gu, Yong Wang, Yun Zeng, Meng Yu, Tong Liu, Jian Chen, Ke Wang, Jingying Xie, Linsen Li
Summary: Dopamine-polymerization-guided carbon coating of SiOx anodes improves their electrochemical performance and cycling life. Suppression of cracks and excessive growth of the solid electrolyte interphase (SEI) layer contributes to the enhanced performance and stability.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Chuming Wang, Mang Niu, Ting Wang, Peitao Xie, Zehua Chen, Chunzhao Liu, Yuan Liu
Summary: Researchers prepared porous carbon nanosheets with abundant Sn delta+ sites (Sn-PCNS) through controllable template-directed method and carbonization process. The atomically dispersed Sn delta+ is stabilized mainly by O/N moieties in the carbon framework, which enhances the electron transfer and Li+-/Na+-diffusion kinetics, benefiting the Li+-/Na+-storage capabilities.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Xiao-Xi Luo, Wen-Hao Li, Hao-Jie Liang, Hong-Xia Zhang, Kai-Di Du, Xiao-Tong Wang, Xin-Fang Liu, Jing-Ping Zhang, Xing-Long Wu
Summary: This study reports an exfoliated polyimide COF composite prepared on single-walled carbon nanotubes as an advanced anode for potassium-ion batteries, demonstrating efficient ion diffusion and extended stability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
J. Zamora, T. Bautista, N. S. Portillo-Velez, A. Reyes-Montero, H. Pfeiffer, F. Sanchez-Ochoa, H. A. Lara-Garcia
Summary: Experimental and DFT studies were conducted on the structural, magnetic, and optical properties of RFeO3 perovskites. The perovskites exhibited an orthorhombic crystal structure and weak ferromagnetic behavior. They were confirmed to be semiconductors with a bandgap of approximately 2.1 eV.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xianxiang Lv, Jing Jin, Weiguang Yang
Summary: By depositing TiN and TiO2 surface layers on AlSi films, the electrochemical performance of silicon-based anodes can be significantly improved, suppressing volume expansion and promoting the formation of a stable SEI layer.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Sharafat Ali, Haider Ali, Syedul Hasnain Bakhtiar, Sajjad Ali, Muhammad Zahid, Ahmed Ismail, Pir Muhammad Ismail, Amir Zada, Imran Khan, Huahai Shen, Rizwan Ullah, Habib Khan, Mohamed Bououdina, Xiaoqiang Wu, Fazal Raziq, Liang Qiao
Summary: The construction and optimization of redox-heterojunctions using a bifunctional phosphate as an electron-bridge demonstrated significant improvements in photo catalytic activity, including enhanced dispersion, reduced interfacial migration resistance, and increased abundance of active-sites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ren-Ni Luan, Na Xu, Chao-Ran Li, Zhi-Jie Zhang, Yu-Sheng Zhang, Jun Nan, Shu-Tao Wang, Yong-Ming Chai, Bin Dong
Summary: Extensive research has revealed that oxygen evolution reaction (OER) in alkaline conditions involves dynamic surface restructuring. The development and design of sulfide/oxide pre-catalysts can reasonably adjust the composition and structure after surface reconstruction, which is crucial for OER. This study utilized a simple two-step hydrothermal method to achieve in situ S leaching and doping, inducing the composition change and structure reconstruction of CoFe oxides. The transformed FeOOH and CoOOH exhibited excellent OER activity and could be easily mass-produced using low-cost iron based materials and simple methods.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jun'an Lai, Daofu Wu, Peng He, Kang An, Yijia Wang, Peng Feng, WeiWei Chen, Zixian Wang, Linfeng Guo, Xiaosheng Tang
Summary: Zero-dimensional organic-inorganic metal halides (OMHs) are gaining attention in the fabrication of light-emitting diodes due to their broad emission band and high photoluminescence quantum yield. This work synthesized a zero-dimensional organic tetraphenylphosphonium bismuth chloride (TBC) that showed efficient blue light emission, with the emission mechanism attributed to the transition of Bi3+ ions. White light-emitting diodes (WLEDs) were fabricated using TBC, along with green-emitting and red-emitting single crystals, achieving single-component white emissions. These findings demonstrate the different emission mechanism of ns2 ions-based OMHs and highlight the potential of bismuth-based OMHs in WLEDs applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xuewei Liang, Yunhai Su, Taisen Yang, Zhiyong Dai, Yingdi Wang, Xingping Yong
Summary: The revolutionary design concept of high-entropy alloys has brought new opportunities and challenges to the development of advanced metal materials. In this work, AlCrCuFe2NiTix high-entropy flux cored wires were prepared by combining the design idea of a high-entropy alloy with the characteristics of flux cored wire. AlCr-CuFe2NiTix high-entropy surfacing alloys were prepared using gas metal arc welding technology. The wear properties of the alloys were analyzed, and the phase composition, microstructure, strengthening mechanism, and wear mechanism were discussed. The results show that the alloys exhibit a dendritic microstructure with BCC/B2 + FCC phases. Increasing Ti content leads to the precipitation of Laves phase. The alloys show improved microhardness and wear resistance due to the precipitation of coherent B2 and Laves phases. However, excessive Ti addition results in the increase of Laves phase and reduced wear resistance of the alloys.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
M. Vadivel, M. Senthil Pandian, P. Ramasamy, Qiang Jing, Bo Liu
Summary: This work presents the enhanced photocatalytic and electrochemical performance of g-C3N4 assisted PAA on CoFe2O4 ternary nanocomposites. The incorporation of PAA and g-C3N4 improves the separation efficiency of photogenerated charge carriers, resulting in superior photocatalytic degradation and high specific capacitance values.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Vibhu T. Sivanandan, Ramany Revathy, Arun S. Prasad
Summary: In this study, pure and doped cobalt ferrite nanoparticles were prepared using the sol-gel auto-combustion method with the aid of lemon juice as eco-fuel. The crystal structure, lattice parameter, crystallite size, microstrain, optical parameters, and room temperature magnetic properties of the samples were analyzed. The effect of doping on the magnetic properties was also investigated.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qing Guo, Bowen Zhang, Benzhe Sun, Yang Qi
Summary: This study prepared ZnO films with various nonpolar preferred orientations using conventional chemical bath deposition method and characterized their growth process and mechanism. It was found that the type and concentration of nitrate could control the preferred orientation and surface roughness of ZnO films. Additionally, ZnO films with different preferred orientations exhibited different optical properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Chong Zhang, Yan Liu, Zhaoyan Wang, Hang Yang
Summary: In this study, six bimetallic FeCo particles were synthesized via the hydrothermal method at different Fe:Co ratios. The Fe:Co ratio not only modulates the composition of the particles but also influences their structure and magnetic properties. The FeCo alloys showed a transformation from an Fe-based structure to a Co-based structure with increasing Co content. The Fe:Co ratio of 1:1 and 3:1 resulted in particles with the highest and lowest saturation magnetization, respectively.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jianning Zhang, Jing Li, Yiren Wang, Xiaodong Mao, Yong Jiang
Summary: We conducted a study on the formation of ultra-fine Y-Ti-Ta-O nano-oxides in Ta+B micro-alloyed 13CrWTi-ODS alloys using electron microscopy and first-principles calculations. The Y-Ti-Ta-O nano-oxides were found to be mainly Y2(Ti,Ta)2O7, with an average size of 7 nm and a number density of 6.8 x 1023 m-3. Excess boron was found to enhance the adhesion of some low-sigma grain boundaries but weaken the Fe/Y2Ti2O7 interface, while excess tantalum enhanced the Fe/Y2Ti2O7 interface but caused serious degradation of grain boundaries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Yirong Fang, Pei Cheng, Hang Yuan, Hao Zhao, Lishu Zhang
Summary: A new composite system of nitrogen-doped reduced graphene oxide and black phosphorus quantum dots has been developed for tumor therapy, showing improved electrochemical properties and stability. The system generates hydrogen peroxide and hydroxyl radical to effectively kill tumor cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xiufang Qin, Yuanli Ma, Hui Zhang, Ting Zhang, Fang Wang, Xiaohong Xu
Summary: The structure and magnetism of cobalt ferrites after Mn2+-Tb3+ co-doping were studied. Co-doped samples exhibited cubic spinel structure and spherical shape of ferrite nanoparticles. The redistribution of Co2+ and Fe3+ ions between octahedral and tetrahedral sites was observed due to Mn2+-Tb3+ co-doping. The coercivity and magnetization saturation of co-doped samples were significantly improved, leading to a maximum energy product that is 190% higher than that of the un-doped sample.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ho Yeon Lee, Wonjong Yu, Yoon Ho Lee
Summary: Recently, there has been an increasing interest in developing ultra-fine nanostructured electrodes with extensive reaction areas to enhance the performance and low-temperature operation of solid oxide fuel cells. The use of a refined approach involving co-sputtering metal alloys and oxide targets has demonstrated the feasibility of nano-columnar structures in perovskite-based electrodes, expanding the temperature range of thin film electrodes. This study systematically examines the effects of chamber pressure control in the co-sputtering process and identifies the intricate relationship between sputtering pressure and film structure. By fine-tuning the columnar growth in the electrode, significant improvements in performance and thermo-mechanical properties were achieved, resulting in high-performance all-sputtered solid oxide fuel cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qianyun Bai, Xiaoxiao Yan, Da Liu, Kang Xiang, Xin Tu, Yanhui Guo, Renbing Wu
Summary: This study proposes a simple method to develop a non-precious transition metal-based electrocatalyst with high catalytic activity and robustness for the hydrogen evolution reaction. The as-synthesized electrode exhibits a low overpotential and high current density, indicating its potential in energy conversion.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)