Article
Energy & Fuels
Lan Li, Ruiyin Ren, Xinxi Wang, Xiaoshi Lang, Tianye Xu, Ping Sun, Xueying Qi, Kedi Cai
Summary: This study synthesized a high-performance nanostructure Fe2O3 via a direct current electric arc method and employed it as a sulfur-wrapping matrix for lithium-sulfur batteries. The sulfur composite cathode with Fe2O3-arc as matrix showed stable physical entrapment and chemical interaction between sulfur and the matrix. The Fe2O3-arc based sulfur composite cathode exhibited a stable and conventional sulfur electrochemical process at a certain loading mass ratio.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Da Zhang, Yuanzheng Tang, Chuanqi Zhang, Qianpeng Dong, Wenming Song, Yan He
Summary: In this study, SnO2/CNT nanonests composites were synthesized in one step by direct current arc-discharge plasma, showing high capacity and electrochemical performance in lithium-ion batteries, proving the reliability and feasibility of the synthesis method.
Article
Nanoscience & Nanotechnology
Bo Wang, Sunrui Luan, Yi Peng, Junshuang Zhou, Li Hou, Faming Gao
Summary: Fe2O3@OMC, synthesized using Fe-MOFs, demonstrates higher capacity and longer cycle life compared to traditional OMC or carbonized Fe-MOFs. The material maintains good performance under various current densities, showing promising rate performance. Combining iron oxide and MOFs is beneficial for improving the capacity performance.
Article
Chemistry, Physical
Emad M. Masoud
Summary: Two samples with different structural properties of nano alpha-Fe2O3 were successfully synthesized using different preparation methods. The EDTA-prepared sample showed the best textural structure, supporting the high rate performance of lithium-ion batteries. Comparison with other studies confirmed the novelty and efficiency of the EDTA-prepared sample.
Article
Chemistry, Physical
Fen Wang, Tengfei Li, Yuan Fang, Zijing Wang, Jianfeng Zhu
Summary: Heterogeneous structured Mn2O3/Fe2O3 composites were designed and studied as anode materials for lithium ion batteries, demonstrating superior specific capacity, excellent cycling stability, and outstanding rate capability. The feasibility of a full lithium ion battery with heterostructure Mn2O3/Fe2O3 as anode and LiFePO4 as cathode was also verified, showing great performance in improving electrochemical properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Inorganic & Nuclear
Ting Qing, Naiqiang Liu, Yongzhong Jin, Dang Mina, Ge Chen
Summary: Fe2O3/HCNFs, modified with a particle size of 10-20 nm, demonstrated excellent performance as a novel anode material for lithium-ion batteries, with a capacity of 816.3 mA h g(-1) after 100 cycles at a current density of 200 mA g(-1). This superior performance and easy preparation method highlight the potential of Fe2O3/HCNFs for LIB applications.
DALTON TRANSACTIONS
(2021)
Article
Nanoscience & Nanotechnology
Yaling Zhang, Shulong Chang, Ding Zhang, Sen Zhang, Lei Han, Li Ye, Rui Pang, Yuanyuan Shang, Anyuan Cao
Summary: FeS@Fe2O3/CNT composite electrodes, with a unique reciprocal overlap architecture, exhibit high reversible capacity and excellent cycling stability in lithium ion batteries, showing great potential for high-performance anodes.
Article
Chemistry, Inorganic & Nuclear
Xiong Wang, Rui Wang, Qiaoling Kang, Feng Gao, Miaogen Chen, Yang Xu, Hongliang Ge, Dongyun Li
Summary: The heterostructure of Fe2O3@SnO2 with a hexahedral structure was synthesized, which showed remarkable electrochemical performance as an anode material in LIBs, including high initial discharge capacity, excellent rate performance, and long-term stability.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Physical
Rashid Khan, Yuqi Xing, Jianwen Wang, Lu Huang, Jianhua Zhu, Xiuli Zhu, Yingpeng Wu
Summary: The core-shell SnSe@TiO2/C heterostructure composite demonstrates high reactivity and superior electrochemical performance in sodium-ion batteries. The TiO2 shell enhances the mechanical stability of SnSe, while the synergistic effects of the core-shell structure optimize ion diffusion kinetics and cycling stability. This novel composite shows promising potential as an anode material for high-performance SIBs.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Dingling Yu, Fangfei Lin
Summary: Co-N-C/CNT cross-linked three-dimensional network materials with good stability and multiplier performance are prepared through the autocatalytic properties of MOF materials, which can be used as cathode carriers for lithium-sulfur batteries.
CHEMICAL PHYSICS LETTERS
(2022)
Article
Chemistry, Physical
Guangfeng Zeng, Yuanpeng Liu, Dongjiang Chen, Cheng Zhen, Yupei Han, Weidong He
Summary: A lepidolite-modified separator is designed to improve the performance of lithium sulfur batteries by suppressing polysulfide shuttling and accelerating polysulfide transformation, significantly enhancing the fast discharge capabilities of the batteries.
ADVANCED ENERGY MATERIALS
(2021)
Article
Energy & Fuels
Dongxu Ouyang, Jingwen Weng, Mingyi Chen, Jian Wang, Zhirong Wang
Summary: This study found that high-capacity lithium-ion batteries are more susceptible to overcharge and over-discharge conditions, leading to severe degradation and battery aging. Therefore, it is critical to avoid overcharge and over-discharge, especially for high-capacity batteries.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Electrochemistry
D. C. Orozco-Gallo, F. A. Vasquez-Arroyave, J. A. Calderon-Gutierrez
Summary: This paper investigates the customization of anodes for lithium-ion batteries through the optimization process of carbon-slurry. The study characterizes two commercial graphite active materials and highlights the interference of binder composition on their performance.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Physical
Biao He, Gaoyang Li, Jiajia Li, Jun Wang, Hui Tong, Yuqi Fan, Weiliang Wang, Shuhui Sun, Feng Dang
Summary: This study investigates the use of MoSe2@CNT to improve the performance of lithium-oxygen batteries, with the MoSe2 layers acting as grain promoters and preventing the formation of byproducts. The cathode demonstrated superior specific capacity, excellent rate capabilities, and long cycle life.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Zhongyuan Zhang, Canfeng Fang, Javid Muhammad, Jingshuang Liang, Wenfei Yang, Xue Zhang, Zhiguo Rong, Xiane Guo, Youngguan Jung, Xinglong Dong
Summary: 1D Fe2O3@SiC nanowires were successfully synthesized, featuring excellent mechanical flexibility and conductivity, leading to improved electrochemical performance for lithium-ion batteries.
Article
Chemistry, Multidisciplinary
Zhijin Ju, Qifan Xie, Ouwei Sheng, Xiaoxue Wu, Yihong Tan, Min Hong, Xinyong Tao, Zheng Liang
Summary: In this study, a nano-CaCO3 coating derived from eggshell biowaste was used to stabilize Li metal anodes. The coating can adsorb anions, weaken the concentration gradient, and promote Li-ion diffusion, effectively inhibiting dendrite formation. The Li/Cu cells with the coating achieved high Coulombic efficiency and stable cycle life.
Article
Chemistry, Physical
Tian Tian, Huan Yin, Luoxi Zhang, Mingkui Zhu, Defu Ma, Feng Shao, Nantao Hu, Zhi Yang, Yafei Zhang, Yanjie Su
Summary: This study investigates the interfacial charge transfer between gas molecules and SWCNTs using the Raman shift of the 2D peak in SWCNTs. An exponential relationship between the 2D peak position and NO2 concentration has been established, providing a simple method to evaluate charge transfer and gas molecule adsorption state.
APPLIED SURFACE SCIENCE
(2023)
Article
Nanoscience & Nanotechnology
Peiyao Wang, Feng Shao, Bin Li, Yanjie Su, Zhi Yang, Nantao Hu, Yafei Zhang
Summary: In order to increase the specific capacitance of supercapacitors, polyaniline (PANI) has been used as an additive electrode material. In this study, a molecular-level uniform reduced graphene oxide/PANI (rGO/PANI) composite film was synthesized through self-assembly and specific thermal reduction, which showed great potential in flexible supercapacitors with high areal capacitance. The performance of the rGO/PANI film, such as specific areal capacitance and cycling stability, was significantly enhanced compared to the pure rGO electrode.
Article
Chemistry, Multidisciplinary
Wenjing Quan, Jia Shi, Hanyu Luo, Chao Fan, Wen Lv, Xinwei Chen, Min Zeng, Jianhua Yang, Nantao Hu, Yanjie Su, Hao Wei, Zhi Yang
Summary: A novel flexible paper-based gas sensor was designed, which integrated the Ti3C2Tx-MXene nonmetallic electrode and Ti3C2Tx/WS2 gas sensing film to form Ohmic contact and Schottky heterojunction in a single sensing channel. The sensor exhibited high conductivity, effective charge transfer, and abundant active sites for gas sensing, and showed a response rate of 15.2% to 1 ppm NO2 gas at room temperature, with a detection limit of 11.0 ppb NO2 gas.
Article
Engineering, Biomedical
Yazhuo Huang, Lingyu Zhang, Yongrong Ji, Hongpei Deng, Mingce Long, Shengfang Ge, Yanjie Su, Siew Yin Chan, Xian Jun Loh, Ai Zhuang, Jing Ruan
Summary: In this study, a noninvasive and intelligent monitoring scaffold was developed using carboxylated carbon nanotubes (CNTs) integrated into chemically cross-linked carboxymethyl chitosan hydrogel. The CNT scaffold exhibited improved mechanical properties, good biocompatibility, and electrochemical responsiveness. It could sensitively monitor cell differentiation degree and enhance stem cell osteogenic differentiation for new bone tissue formation.
BIOACTIVE MATERIALS
(2023)
Article
Engineering, Environmental
Hewei Yuan, Yaozhong Zhang, Yanjie Su, Nantao Hu, Jianhua Yang, Min Zeng, Zhi Yang, Yafei Zhang
Summary: This study introduces a novel Type II heterojunction consisting of BiVO4 thin film and diamond-like carbon (DLC) to the PEC system, which significantly enhances the PEC water-splitting activity. Compared to the pure BiVO4, the BiVO4/DLC heterojunction exhibits increased photocurrent density and improved stability. The enhancement in PEC performance is attributed to the Type II heterojunction photoanodes that promote carrier mobility and reduce the recombination rate of electron-hole pairs. Furthermore, the sp2 carbon phase in DLC acts as a conductive channel, while the sp3 carbon phase provides stable support and passivation effect, leading to an enhancement in both PEC water splitting performance and long-time stability.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Suning Liang, Zhi Yang, Xianjun Shao, Yiming Zheng, Qiang Wang, Zhengyong Huang
Summary: This study used molecular dynamics and quantum mechanics theory to investigate the adsorption kinetics and mechanism of graphene-based materials on polar small molecules in vegetable oil. The results showed that these materials effectively adsorb the polar small molecules, and the modification with oxygen-containing groups improves their adsorption ability by converting physical adsorption to chemical adsorption. This study provides a theoretical basis for designing and preparing graphene materials with high adsorption properties.
Article
Chemistry, Multidisciplinary
Xiyu Chen, Min Zeng, Jianhua Yang, Nantao Hu, Xiaoyong Duan, Wei Cai, Yanjie Su, Zhi Yang
Summary: A 2D bimetallic phthalocyanine-based COF (COF-CuNiPc) was reported as a chemiresistive gas sensor with high gas-sensing performance for nitrogen dioxide (NO2). COF-CuNiPc with an asymmetric synergistic effect achieved a fast adsorption/desorption process to NO2. The bimetallic structure of COF-CuNiPc provided a proper band gap and the CuNiPc heterometallic active site accelerated the adsorption/desorption processes. The concept of a synergistic effect enabled by bimetallic phthalocyanines in this work can provide an innovative direction for designing high-performance chemiresistive gas sensors.
Article
Materials Science, Multidisciplinary
Yongwei Zhang, Jianhua Yang, Chunpeng Jiang, Chao Fan, Wen Lv, Xiyu Chen, Min Zeng, Nantao Hu, Tao Wang, Zhi Yang
Summary: A highly sensitive, flexible capacitive pressure sensor based on a fabric-mould strategy is introduced. Custom square-conical arrays with Au electrodes can feasibly be fabricated at scale by peeling them off the fabric mould. The pressure sensor exhibits high sensitivity, fast response/recovery time, and ultralow detection limit, showing great potential for various applications and accurately identifying human physiological information and the spatial distribution and shape of objects.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Nanoscience & Nanotechnology
Huan Yin, Tian Tian, Ruxuan Zhang, Luoxi Zhang, Mingkui Zhu, Tianhao Zhang, Zhi Yang, Nantao Hu, Yafei Zhang, Yanjie Su
Summary: All-carbon nano-heterostructure photodetectors based on different carbon allotropes exhibit excellent photoelectric performance. However, the performance is limited by the interfacial charge transfer and large dark current of graphene. In this study, asymmetric all-carbon nano-heterostructures with C-60/graphene/single-walled carbon nanotube (SWCNT) heterojunctions were designed and demonstrated to have excellent photoelectric response in the visible to NIR range, high responsivity, ultrahigh detectivity, and fast response time. The interfacial charge transfer mechanism was also investigated. This work provides insights into interfacial charge transfer in carbon-based heterostructures and offers a strategy for designing and fabricating high-performance all-carbon nano-heterostructure photodetectors.
ACS APPLIED NANO MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Huan Yin, Ruxuan Zhang, Tian Tian, Zhi Yang, Nantao Hu, Yafei Zhang, Yanjie Su
Summary: The interfacial charge transfer between single-walled carbon nanotubes (SWCNTs) and graphene is systematically investigated under different external conditions, including bias voltage, temperature, and atmosphere. It is found that electrons are transferred from SWCNTs to graphene when the applied voltage deviates from the neutral point voltage of -4 V. The built-in electric field induces the transfer of electrons from SWCNTs to graphene under various atmospheric and temperature conditions. This study provides important insights into the interfacial charge transfer between SWCNTs and graphene and offers guidance for designing high-performance all-carbon vdW heterostructure nanodevices.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Chemistry, Physical
Jaafar Abdul-Aziz Mehrez, Xiyu Chen, Min Zeng, Jianhua Yang, Nantao Hu, Tao Wang, Ruili Liu, Lin Xu, Yorexis Gonzalez-Alfaro, Zhi Yang
Summary: This study analyzes the structural and electronic parameters of a MoTe2/InN vdW heterostructure using density functional theory (DFT), finding that it has a higher adsorption energy and is well suited for NO2 detection. However, there are limitations in detecting NH3 and SO2.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Chemistry, Physical
Jaafar Abdul-Aziz Mehrez, Xiyu Chen, Min Zeng, Jianhua Yang, Nantao Hu, Tao Wang, Ruili Liu, Lin Xu, Yorexis Gonzalez-Alfaro, Zhi Yang
Summary: This study employs density functional theory to analyze the structural and electronic parameters of a MoTe2/InN vdW heterostructure. The findings indicate that the heterostructure has a strong adsorption capability for NH3, NO2, and SO2, making it well suited for NO2 detection. However, there are limitations in detecting NH3 and SO2 reliably.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
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)
