Article
Chemistry, Physical
Eli Grigorova, Petar Tzvetkov, Stanislava Todorova, Pavel Markov, Tony Spassov
Summary: The composites based on Mg2Ni with 5% activated carbon from apricot stones (ACAP) were prepared by ball milling and subsequent annealing in hydrogen atmosphere. The composites showed relatively high hydrogen storage capacity and fast hydriding/dehydriding kinetics, making them promising materials for hydrogen storage applications.
Article
Chemistry, Physical
Ram Avtar Jat, Deepak Rawat, Abhishek Sharma
Summary: The anti-disproportionation properties of Zr0.8Ti0.2-xNbxCo alloys were improved by substituting Zr with Ti and Nb. The co-substitution also decreased the activation energy for hydrogen/deuterium desorption reactions. Furthermore, the Zr0.8Ti0.2-xNbxCo-deuterides exhibited superior anti-disproportionation properties compared to the corresponding hydrides.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Raffaello Mazzaro, Luca Pasquini
Summary: The aim of this study is to investigate the hydrogen sorption kinetics and thermodynamics of Mg-Ni nanoparticles at low temperature, focusing on their microstructure. The findings show that Mg-Ni nanoparticles exhibit fast hydrogen sorption kinetics at 150 degrees C, but the maximum hydrogen storage capacity is limited due to the lack of transformation from Mg2NiH0.3 to Mg2NiH4 at this temperature. Partial replacement of Ni with Fe does not significantly affect the hydrogen sorption thermodynamics and kinetics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Wenchao Cao, Xin Ding, Ruirun Chen, Jiaxin Zhang, Yong Zhang, Hengzhi Fu
Summary: This study investigates the relationship between Mg2Ni in different microstructures and hydrogen storage performances using hypoeutectic and hypereutectic Mg100-xNix (x = 11, 15, 22) alloys. The results show that Mg2Ni is connected with Mg-Mg2Ni eutectics in Mg85Ni15 and Mg78Ni22 alloys, while Mg2Ni is connected with a-Mg in Mg89Ni11 alloy. Mg100-xNix alloys exhibit rapid hydrogen absorption rates due to abundant interfaces generated by nano-Mg2Ni particles. The Mg78Ni22 hydride with the highest proportion of nano-Mg2Ni phase shows the fastest dehydrogenation rates.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Engineering, Environmental
Wenchao Cao, Xin Ding, Ruirun Chen, Jiaxin Zhang, Yong Zhang, Hongxian Shen, Hengzhi Fu
Summary: In this study, Mg-Ni alloy fibers with a high Mg content and well-distributed Mg2Ni catalytic phase were successfully prepared using the melt extraction method. A unique metallic glass fiber was formed, and uniformly dispersed Mg2Ni nanoparticles were in-situ formed after pre-annealing. The hydrogen absorption and desorption kinetics of the Mg-Ni fibers were investigated, and the dehydrogenation activation energy and enthalpy changes were accurately characterized using models.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Jisheng Yang, Kemin Zhang, Zhewen Ma, Xu Zhang, Tianping Huang, Subrata Panda, Jianxin Zou
Summary: A new type of trimesic acid-Ni based metal organic framework (TMA-Ni MOF) was synthesized, and its derivative Ni@C was introduced into MgH2 through high energy ball milling to prepare a Mg-Ni@C-H composite, which showed accelerated hydrogen absorption/desorption kinetics and reduced activation energy. The carbon-wrapped structure of the composite prevented aggregation of nanosized particles, ensuring stable hydrogen capacity and kinetics during high-rate cycling.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Shuang Gao, Shan Zhang, Yongcheng Li, Riming Hu, Zhonghao Heng, Xiaochuan Shi, Peipeng Jin, Jianglan Shui
Summary: Rare earth doping is an effective method to improve hydrogen storage properties of Mg-based alloys. This study investigates the effect of rare earth (Y, Ce, La, Sc) doping on the thermal stability, electronic property, and hydrogen adsorption/desorption behavior of Mg2Ni (010) surface using first principles calculations. The results show that rare earth doping in Mg2Ni (010) surface is thermodynamically feasible and improves hydrogen diffusion and desorption energies barriers, with Ce showing the best potential.
APPLIED SURFACE SCIENCE
(2023)
Article
Environmental Sciences
Zia ur Rehman, Muhammad Awais Rehman, Bushra Rehman, Surajudeen Sikiru, Saima Qureshi, Esraa Mousa Ali, Muhammad Awais, Mahnoor Amjad, Iqra Iqbal, Anam Rafique, Saira Bibi
Summary: In this study, the characteristics and hydrogen storage properties of MgXH3 (X = Co, Cu, Ni) hydrides were analyzed using density functional theory. The results provide insights into the structural, mechanical, and electronic properties of perovskite hydrides, as well as their potential for hydrogen storage applications.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Chemistry, Physical
Pei Liu, Jiajia Lian, Haipeng Chen, Baozhong Liu, Shixue Zhou
Summary: In situ formation of Mg2Ni on the Mg surface improves the hydrogen storage performance of the material. The in situ formed Mg2Ni facilitates the reactions during hydrogenation and dehydrogenation, leading to enhanced hydrogen sorption rate and lower dehydrogenation temperature.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Sheng Wei, Jiaxi Liu, Yongpeng Xia, Huanzhi Zhang, Riguang Cheng, Lixian Sun, Fen Xu, Pengru Huang, Federico Rosei, Aleskey A. Pimerzin, Hans Juergen Seifert, Hongge Pan
Summary: This study focused on improving the hydrogen release performance of LiAlH4 by doping it with spinel ferrite nanoparticles. Results showed that adding 7 wt% NiFe2O4 reduced the activation energies of hydrogen release reactions, making it a promising approach for enhancing hydrogen storage capacity.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Wenchao Cao, Xin Ding, Ruirun Chen, Jiaxin Zhang, Yong Zhang, Jingjie Guo, Hengzhi Fu
Summary: In this study, the cyclic microstructure evolution process and the influence of grain size on the hydrogen de-/absorption properties of magnesium-based alloys were clarified. It was found that fast solidified alloys exhibited better hydrogen de-/absorption properties, and the activated samples consisted of fine Mg2Ni particles and porous structures in the Mg matrix, which facilitated hydrogen diffusion.
MATERIALS CHARACTERIZATION
(2023)
Article
Chemistry, Physical
Xin Wei, Chen Li, Hui Yong, Jun Li, Zeming Yuan, Dongliang Zhao, Yanghuan Zhang
Summary: Porous carbon-based materials loaded with Fe, Co, and Cu nanoparticles were fabricated to improve the hydrogen storage performances of as-milled Mg-Al-Y alloy. The catalysts with a porous lamellar structure showed great catalytic influence on hydrogen storage performances.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
D. Andersen, H. Chen, S. Pal, L. Cressa, O. De Castro, T. Wirtz, G. Schmitz, S. Eswara
Summary: In this study, high-resolution imaging of hydrogen and deuterium within Mg2Ni/Mg2NiH4 hydrogen storage thin films was achieved using a self-developed secondary ion mass spectrometer (SIMS) system attached to a commercially available dual-beam focused ion beam - scanning electron microscope (FIB-SEM) instrument. A novel approach using laser scanning confocal microscopy (LSCM) was demonstrated to measure the size, shape, and distribution of the hydride phase in partially transformed films. The combination of these techniques provides new insights on hydride nucleation and growth within the Mg2NiHx system. Additionally, the efficacy of tracking deuterium as a hydrogen analog for SIMS imaging in high-vacuum chambers was demonstrated.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Huiren Liang, Zhengzhuan Xie, Ruolin Zhao, Xiaobin Wen, Feifan Hong, Weitao Shi, Haiqiang Chen, Haizhen Liu, Wenzheng Zhou, Jin Guo, Zhiqiang Lan
Summary: A nickel-vanadium bimetallic oxide prepared through a hydro-thermal method can enhance the hydrogen storage performance of magnesium hydride, improving its absorption and desorption kinetics, and reducing the apparent activation energies. This improvement is attributed to the heterogeneous catalysis of vanadium and nickel.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Wenchao Cao, Xin Ding, Yong Zhang, Jiaxin Zhang, Ruirun Chen, Yanqing Su, Jingjie Guo, Hengzhi Fu
Summary: By dissolving Ag in hyper-eutectic Mg-Ni alloy, a fishbone eutectic structure is formed, and adjusting lattice parameters can significantly improve the hydrogen absorption and desorption rates while reducing the dehydrogenation temperature.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Liang Wu, Xing-Xing Ding, Xiao-Feng Zhao, Yuan-Huan Liu, Xue-Long Hao, Ai-Tao Tang, Gen Zhang, Fu-Sheng Pan
Summary: In situ-grown Mg-Al layered double hydroxide (LDH) films were obtained on an anodized AZ31 substrate by immersing the sample in different concentrations of Al3+ solution. The structure, composition, and morphology of the LDH films were analyzed, and their corrosion behavior was studied using electrochemical impedance spectroscopy (EIS). The results showed that the interconnected MgAl-LDH nanosheets formed a nest-like structure in the LDH film. LDH obtained in 0.032 mol center dot L-1 Al3+ solution had a dense laminated structure and effectively sealed the porous surface of the anodic oxide film. EIS results demonstrated that the corrosion resistance of the LDH-coated samples was significantly improved compared to the anodized alloy.
Article
Metallurgy & Metallurgical Engineering
Qin Zhang, Yaobo Hu, Jun Wang, Fusheng Pan
Summary: In this work, CuS submicron spheres were synthesized using a low-temperature strategy and applied as a high-performance cathode for rechargeable magnesium batteries (RMBs). The CuS cathodes exhibited fast diffusion kinetics and remarkable storage performance due to the presence of nano needle-like particles on their surface. The investigation of the storage mechanism revealed a two-step conversion reaction controlled by diffusion during the electrochemical reaction process.
JOURNAL OF MAGNESIUM AND ALLOYS
(2023)
Article
Materials Science, Multidisciplinary
Qun Luo, Xingrui Li, Qian Li, Lingyang Yuan, Liming Peng, Fusheng Pan, Wenjiang Ding
Summary: The addition of La element to Al-Si alloy has significant improvement effects, achieving refinement of α-Al grains and modification of eutectic Si simultaneously.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Yanning Chen, Liang Wu, Wenhui Yao, Jiahao Wu, Yuan Yuan, Bin Jiang, Fusheng Pan
Summary: The MgAl Layered double hydroxides (LDHs)/graphene oxide (GO) composite film was synthesized in situ on the micro-arc oxidation (MAO) film of AZ31 magnesium alloy using hydrothermal chemical conversion method. The growth behavior and corrosion properties of the composite film were investigated. The results showed that the composition and morphology of the composite film changed gradually with the extended hydrothermal treatment time, utilizing the self-dissolved cation in the MAO film as the LDHs source. The MAO/LG-12 h coating exhibited higher corrosion resistance (1.28 x 10-9 A/cm2) compared to the MAO coating (8.49 x 10-6 A/cm2), thanks to the synergistic effect of GO and LDHs.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Chemistry, Physical
Yulong Wu, Liang Wu, Wenhui Yao, Yonghua Chen, Yan Zhou, Linqian Wang, Ting Wu, Bin Jiang, Andrej Atrens, Fusheng Pan
Summary: ZnAl-LDH-NO3 nanosheets were grown on MXene to inhibit its self-aggregation, and then mixed with epoxy resin and spun onto Mg PEO coatings. The resulting ZnAl-LDH-NO3@MXene nanocomposite exhibited long-term dispersibility and satisfactory sealing of the coatings. The synergistic effect between LDH and MXene nanosheets, along with the self-healing function provided by nitrate intercalation, contributed to the low wear rate and corrosion current density of the final coating. This work proposed a new strategy for MXene-based nanocomposites in anticorrosion/wear applications in epoxy coatings.
Article
Construction & Building Technology
Danqian Wang, Sanlve Pei, Ye Wang, Kai Ma, Chaoneng Dai, Jinxing Wang, Jingfeng Wang, Fusheng Pan
Summary: The effect of the magnesium-to-phosphate (M/P) ratio on the corrosion resistance of magnesium alloys embedded in magnesium phosphate cement pastes was investigated. The results showed that the corrosion resistance of magnesium alloys increased with an increased M/P ratio. The pH value played a dominant role in the protective capability of the oxide film formed on the magnesium alloy.
CEMENT & CONCRETE COMPOSITES
(2023)
Article
Engineering, Environmental
Lei Liu, Jinglei Lei, Ting Liu, Bo Shang, Xingwang Zhao, Jianxin He, Fusheng Pan, Lingjie Li
Summary: In this work, an artificial skin with fast and robust self-healing ability was designed and fabricated to provide durable intelligent protection for magnesium alloys. The artificial skin consists of a hydrothermal film layer made of magnesium (hydr)oxides and a polymer film layer made of polyethyleneimine (PEI) and polyacrylic acid (PAA). It can heal cuts of 25 μm-120 μm within 25 minutes under moist atmosphere, and shows exceptional self-healing robustness to various severe damage.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Nanoscience & Nanotechnology
Yuhan Wang, Yanxiong Ren, Yu Cao, Xu Liang, Guangwei He, Hanze Ma, Hongliang Dong, Xiao Fang, Fusheng Pan, Zhongyi Jiang
Summary: For the first time, the utilization of HOF-based mixed-matrix membrane for CO2 separation was demonstrated. HOF-21, a unique metallo-hydrogen-bonded organic framework material, was uniformly dispersed with Pebax polymer to form nanofillers via amine modulator. The resulting HOF-21 mixed-matrix membrane exhibited excellent stability under humid feed gas and surpassed the 2008 Robeson upper bound in terms of permeability and selectivity.
NANO-MICRO LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Lintao Liu, Liping Wei, Jianfei Xiao, Shengwen Bai, Bin Jiang, Chao He, Guangsheng Huang, Dingfei Zhang, Fusheng Pan
Summary: Novel turned-bearing extrusions (TBE) are developed to improve the strengths of AZ31 alloy sheets by introducing additional shear strain during preparation. Numerical simulations show that high strain leads to grain refinement through dynamic recrystallization (DRX), but also increases temperature and consumes dislocations. The SC-TBE sheet exhibits finer grains and a higher residual dislocation density compared to the DC-TBE sheet or conventional extrusion (CE) sheet. Overall, these findings provide insights for developing stronger Mg alloy sheets.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Xu Chen, Jianbo Li, Yitao Wang, Huan Luo, Bo Guan, Xianhua Chen, Kaihong Zheng, Fusheng Pan
Summary: A titanium particle-reinforced AZ91 matrix composite (Tip/AZ91) was prepared by powder metallurgy method. The hot deformation behavior of the Tip/AZ91 composite was investigated through isothermal compression tests. Microstructure observations showed a uniform distribution of titanium particles in the composite, with a diffusion layer containing magnesium, titanium, and aluminum elements between the particles and the magnesium matrix. The deformation mechanism was dominated by dislocation climb, and the presence of a particle deformation zone was observed.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Engineering, Chemical
Yuhang Guo, Liping Shao, Runnan Zhang, Wenqing Gao, Shiyao Yu, Yuqian Du, Guangzhaoyao Yang, Fusheng Pan, Tong Li, Zhongyi Jiang
Summary: This study proposed a surface segregation strategy in thermally induced phase separation (TIPS) to achieve in-situ surface modification of poly (4-methyl-1-pentene) (PMP) membranes. Hetero-structured PMP membranes with hydrophilic hemocompatible surface and hydrophobic body were obtained. The hydrophilic surface effectively improved membrane hemocompatibility through hydration layer effect and steric hindrance effect, reduced platelet adhesion significantly, and prolonged coagulation time within the normal physiological range. The membrane exhibited optimal gas permeability and blood oxygenation performance, as well as resistance to plasma leakage for more than two months.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Engineering, Chemical
Zhiming Zhang, Hong Wu, Li Cao, Meidi Wang, Hongjian Wang, Fusheng Pan, Zhongyi Jiang
Summary: Graphene oxide (GO) lamellar membranes suffer from low flux and poor stability for practical applications due to tortuous transport pathways and weak interlamellar interactions. In this study, porous vermiculite (PVMT) nanosheets were incorporated into the GO-based membranes to establish fast and robust water-selective pathways. PVMT nanosheets provided in-plane pores, reducing the tortuosity and mass transport distance. The hydrophilicity and interlayer distance were enhanced by PVMT nanosheets, contributing to water-selective transport. The resulting membranes exhibited excellent dehydration performance with increased permeation flux and separation factor compared to pristine GO/PTFE membranes, while maintaining stability for 192 h operation. This study may inspire further research in constructing mass-transfer pathways within lamellar membranes.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Engineering, Chemical
Jin Du, Shuwei Liang, Meidi Wang, Yuhan Wang, Tianpei Yi, Zhiming Zhang, Fusheng Pan, Zhongyi Jiang
Summary: Cu-TAPB-COF nanosheets were synthesized and introduced into Pebax®2533 matrix to construct facilitated transport membranes for toluene/n-heptane mixtures. The Cu-TAPB-COF nanosheets provided continuous low mass transfer resistance channels and uniformly distributed facilitated transport sites. The resulting membrane exhibited higher adsorption selectivity and lower swelling degree compared with pure Pebax membrane. It showed high pervaporation separation performance for the toluene/n-heptane mixture.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Metallurgy & Metallurgical Engineering
Dongmei Pu, Xianhua Chen, Jingfeng Wang, Jun Tan, Jianbo Li, Hong Yang, Bo Feng, Kaihong Zheng, Fusheng Pan
Summary: The ageing behavior of as-extruded Ti-P/VW94 composites was studied. The peak hardness of the composites increased compared to the matrix alloy, with the 5% Ti-P/VW94 composite showing the highest peak hardness of 148.7 HV after aging for about 50 h. However, the hardness increments first decreased and then slightly increased with increasing Ti particle content due to the introduction of high-density dislocations by Ti particles.
ACTA METALLURGICA SINICA-ENGLISH LETTERS
(2023)
Review
Chemistry, Physical
Qingshan Yang, Dan Zhang, Peng Peng, Guobing Wei, Jianyue Zhang, Bin Jiang, Fusheng Pan
Summary: Magnesium alloy is a widely used lightweight metal material with high specific strength and stiffness. Improving the room temperature forming performance of Mg alloy sheets through extrusion technology is crucial. Our research group has developed a new asymmetric extrusion technology and elucidated the process characteristics, texture control mechanism, and forming properties of Mg alloy sheets. The findings present an innovative extrusion technology for highly formable Mg alloy sheets. Evaluating the importance of this study: 8 points