Coatings
·
2023
·Vol. 13
·期 9
·1531
·
IF 3.4
Jie Pang,Wenfeng Qin,Wentao You,Mian Zhong,Qing’an Meng
Ice accumulation on the surface of aircraft is a serious threat to flight safety and a fatal factor causing air accidents. However, traditional aircraft deicing methods no longer meet the requirements of safe flight due to changes in aircraft structural materials. In recent years, the application of carbon fiber-reinforced polymer (CFRP) materials in the aviation structure industry has increased. In this study, we demonstrate an economical, easy-to-prepare, and pollution-free approach to deice an aircraft through induction heating. The nickel-coated carbon fiber-reinforced polymer used as the induction heater for aircraft deicing is obtained by electroless nickel plating on the surface of the CFRP. The result shows that it takes just 110 s to achieve a temperature of 205 °C on the nickel-plated CFRP when the input voltage is 30 V, as well as melting the ice layer with a thickness of 30 mm, while the temperature of this material can reach up to 81 °C by electric heating when the input voltage is 1.5 V. Meanwhile, the nickel-plated CFRP exhibits good repeatability during the induction heating. Based on the excellent electrothermal properties, the nickel-plated CFRP polymer shows a prominent deicing ability, which provides a promising strategy for the deicing of aircraft.
✓ 已验证
产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2023
·
IF 7.2
Xin Xiao,Xiangmei Wang,Kui Li,Honglin Yan,Endian Fan,Miao Zhao,Hong Zhao,Dongping Sun,Li Chen
Transition metal sulfides (TMSs), especially iron-based metals (Fe, Co, Ni), were considered the most potential catalysts to replace noble metal-based materials for hydrogen evolution reaction (HER). This work selected metal ions as a variable to modulate the catalytic activity . Designing an electrode consisting of iron-based metal atoms sulfides sweeper-like hyperbranched clusters grown on nickel foam (NF) for HER. This particular structure consisted of 1D nanorods and adequate exposure of the lattice dislocation to exhibit enhanced electrocatalytic activity with low overpotential (135.9 mV) in alkaline conditions at 10 mA cm −2 . In addition, stability test results showed that the electrode exhibited good durability. The enhanced electrocatalytic activity of Ni–S could be owing to high electrical conductivity characteristic, the hierarchical structure constituted with NF and the large active surface area of the self-grown electrode further facilitating the production of H 2 . The Ni sites on the Ni 3 S 2 (110) crystal faces facilitated H adsorption, and all radical reactions under applied voltage proceed spontaneously. This work guides the selection and development of substrates for the design of synthetic transition metal catalysts , leading to cost-effective and efficient electrocatalytic hydrogen production .
✓ 已验证
产品关联
DOI
高影响因子
Catalysts
·
2023
·Vol. 13
·期 7
·1030
·
IF 3.9
Siyi Jiang,Yujing Weng,Yangbin Ren,Shihang Meng,Xiaoman Li,Chao Huang,Yulong Zhang,Qi Sun
The chemical transformation of carbon dioxide (CO2) not only reduces the amount of carbon dioxide emitted into the Earth’s atmosphere by humans, but also produces carbon compounds that can be used as precursors for chemical and fuel production. Herein, a selective catalytic conversion of carbon dioxide to methanol is achieved by a bifunctional molybdenum disulfide catalyst (MoS2) with magnesium oxide and nickel and potassium promoters. Molybdenum disulfide prepared by the supercritical ethanol method has a large specific surface area and presents good catalytic performance with high methanol selectivity when loaded with potassium (K) and nickel (Ni) promoters. In addition, the catalysts were evaluated and it was founded that the addition of the K-promoter improved methanol selectivity. This research provides a new strategy for improved product selectivity and space–time yield (STY) of methanol in CO2hydrogenation.Keywords:CO2hydrogenation;molybdenum disulfide;methanol
✓ 已验证
产品关联
DOI
高影响因子
FUEL
·
2023
·
IF 7.4
Yue Han,Changdi Wang,Ruiyang Zhao,Jishu Han,Lei Wang
In order to alleviate environmental pollution and energy crisis caused by the excessive use of fossil fuels, photocatalytic water splitting to produce hydrogen as an alternative fuel has attracted widespread attention. The construction of heterojunction photocatalyst is considered to be one of the effective ways to enhance the photocatalytic hydrogen production efficiency. In this study, Ni-doped CdSe was modified on the surface of hollow ZnSnO 3 double-shell nanocubes. The obtained Cd 0.9 Ni 0.1 Se/ZnSnO 3 possessed high photocatalytic activity under visible light irradiation. The photocatalytic hydrogen production rate could reach to 6458.0 μmol/g/h. The successful construction of hollow Cd 0.9 Ni 0.1 Se/ZnSnO 3 double-shell type-I heterojunction increased visible light absorption, shortened the charge transport distance, and inhibited the recombination of electron-hole pairs, thus enhancing the photocatalytic hydrogen production performance of Cd 0.9 Ni 0.1 Se/ZnSnO 3 . It provided the idea for promoting the design of solar to chemical energy conversion and the effective guidance for constructing a high-efficient and stable photocatalyst.
✓ 已验证
产品关联
DOI
高影响因子
CATALYSIS COMMUNICATIONS
·
2022
·
IF 3.51
Bin Chen,Jian Qiu,Liang Xu,Yan Cui
The Ni/Ce 0.8 Zr 0.2 O 2 catalysts with different Ni doping amounts (5 wt%, 10 wt%, 15 wt%, 20 wt%, and 25 wt%) are prepared by the impregnation technique and used as CO 2 methanation catalysts in this work. The effects of various Ni doping loading on CO 2 methanation catalytic performance at low temperatures were investigated in this catalytic system. The results show that the catalyst with 15 wt% Ni doping shows the best catalytic performance. Since the heated sintering of Ni nanoparticles was prevented efficiently by CO 2 methanation, these mesoporous catalysts exhibit excellent stability. Therefore, the catalyst is expected to be an efficient CO 2 methanation catalyst at low temperatures.
✓ 已验证
产品关联
DOI
高影响因子
ACS Omega
·
2022
·
IF 4.132
Ratul Rehman,Xiaolin Zhang,Miao Chang,Daomin Qin,Yi Liu,Peng Wei,Chao Huang,Bin Wang,Fangyu Xiong,Yue Xu,Pei Hu,Jiantao Han,Paul K. Chu
A one-step coprecipitation process is designed to synthesize zinc hexacyanoferrate (ZnHCF) cathodes in aqueous zinc-ion batteries (ZIBs). The morphology of the cathode is influenced by the concentration of the precursor solution and valence of iron ions. The rhombohedral ZnHCF sample exhibits high crystallinity on the microscale in the cut-angle cubic structure, whereas Na-rich NaZnHCF contains many interstitial water molecules in the rhombic nanoplates. Both samples show effective insertion of Zn ions in the aqueous ZnSO4 solution. ZnHCF shows a specific capacity of 66.7 mA h g–1, a redox voltage of 1.73 V, and fast decline in a few cycles. On the other hand, NaZnHCF has a lower specific capacity of 48.2 mA h g–1, showing two voltage platforms and robust cycling stability. However, owing to serious side reactions, both samples have low Columbic efficiency. To improve the properties such as Coulombic efficiency, specific capacity, and cycling stability, Ni ions are introduced by adding 10 wt % NiSO4 to the ZnSO4 electrolyte. The ZnHCF cathode in the Ni-containing electrolyte has the best properties such as a high specific capacity of 71.2 mA h g–1 at a current density of 100 mA g–1, 93% retention of the Coulombic efficiency, and a good rate performance manifested by a reversible capacity of 58.2 mA h g–1 at 1 A g–1. The results reveal a strategy to improve the electrochemical properties of aqueous ZIBs by modifying the electrolytes.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Materials Chemistry Frontiers
·
2022
·Vol. 6
·期 21
·3179-3192
·
IF 8.683
Bo Dai,Feng Dong,Jia Yu,Shixuan Feng,Haowen Wang,Tingxi Li,Mingliang Ma,Jianxu Ding,Yong Ma
Electromagnetic radiation has been a special form of environmental pollution that has attracted widespread attention in the past few decades. Combining the advantages of one-dimensional (1D) materials forming conductive networks and two-dimensional (2D) materials possessing multiple reflections is an excellent research method for the development of electromagnetic wave (EW) absorbing materials. Herein, Ni@polypyrrole nanochains/Ti3C2Tx (Ni@PPy NCs/Ti3C2Tx, NiPM) ternary composites have been successfully prepared through the combined utilization of the solvothermal method, hydrothermal method and vacuum-assisted filtration. The ternary composites consisting of 1D core-shell Ni@PPy NCs (NiP) and 2D Ti3C2Tx can effectively combine conductive loss, dielectric loss and magnetic loss, resulting in excellent impedance matching. The minimum reflection loss (RLmin) of the prepared ternary composites can be up to −62.61 dB at 6.82 GHz with a thickness of 2.71 mm while the effective absorption bandwidth (EAB) is 4.46 GHz at 1.38 mm. This work provides a general guideline for the development of a MXene and conducting polymer matrix design for EW absorbing materials.
✓ 已验证
产品关联
DOI
高影响因子
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2022
·
IF 4.326
Junmei Liang,Qicheng Zhang,Haibo Zhao,Shaolei Zhao,Yulong Wu,Xiaobin Fan
Hydrodeoxygenation (HDO) of fatty acids to alkanes is key to convert renewable resources into biofuels. Here, we design a new Ti3C2Tx MXene-confined Ni catalyst with extraordinary catalytic performance in the HDO of palmitic acid. Due to the large two-dimensional surface and chemical activity, Ti3C2Tx MXene is able to disperse and anchor Ni particles through strong synergistic coupling. As a consequence, the obtained Ni/Ti3C2Tx catalyst exhibits excellent catalytic performance with a complete conversion of palmitic acid. It can be recycled in five runs without activity reduction, demonstrating good stability of the as-prepared catalyst. The facilitated catalytic performance can be ascribed to the synergic effect of metal Ni and Ti3C2Tx MXene. Ti3C2Tx MXene facilitates the adsorption and conversion of palmitic acid to aldehyde. The dispersed Ni particles benefit from the hydrogenation of hexadecanal intermediate with the cleavage of C–C bonds and the dehydration–hydrogenation of hexadecanol to form alkanes.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2022
·
IF 9.965
Chen Liang,Keyu Wang,Fang Xu,Yixing Wang,Shiyi Li,Kai Qu,Linfeng Lei,Linzhou Zhuang,Zhi Xu
Rational design of low-cost and efficient electrocatalyst for the anodic oxygen evolution reaction (OER) to replace noble-metal-based catalysts is greatly desired for the large-scale application of water electrocatalysis. And compared with the conventional powdery catalysts, the freestanding electrode architecture is more attractive owing to the enhanced kinetics and stability. In this work, we report an electrospinning-carbonization-post oxidation strategy to develop the freestanding N -doped carbon nanofibers anchored with Ni/NiO nanoparticles (denoted as Ni/NiO-NCNFs) as efficient OER electrocatalyst. In the synthesized Ni/NiO-NCNFs, the conductive ultrathin carbon layer could promote electron transfer and thus improve the electrocatalytic activity. Meanwhile, the ratio between Ni and NiO could be regulated by tuning the oxidation duration, so as to optimize the adsorption energy of intermediates and improve the OER activity. The Ni/NiO-NCNFs prepared with the oxidation time of 3 h exhibit a promising OER activity and long-term operation durability in 0.1 M KOH solution, requiring an overpotential as small as 153 mV to achieve a current density of 10 mA cm −2 . Its overpotential is far lower than that of the reported OER catalysts. This work offers an efficient pathway to develop low-cost and highly active freestanding transitional metal-based OER electrocatalyst for potential renewable electrochemical energy conversion.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
FUEL PROCESSING TECHNOLOGY
·
2022
·
IF 8.129
Ting-Sheng Chen,Liang Guo,Hua-Wei Peng,Yong-Qi Li,Xing-Bao Wang,Hong-Cun Bai,Zhen-Yi Du,Wen-Ying Li
Controlling the oxygen-free product selectivity in catalytic hydrodeoxygenation is essential for producing high-quality fuel from coal- and biomass-derived liquids. In this paper, the selectivity of oxygen-free products and efficiency of hydrodeoxygenation of dibenzofuran as a model compound of coal- and biomass-derived liquids have been controlled by varying the Si content in the prepared catalysts (Ni/ x Si-OMA, where x = SiO 2 /(SiO 2 + Al 2 O 3 ) and OMA = ordered mesoporous alumina). In comparison, the hydrodeoxygenation of dibenzofuran was performed using Ni/SBA-15, which displayed the lowest selectivity of oxygen-free products at 36.4%. On the other hand, doping Si in OMA introduces the Brønsted acid sites, which desirably enhances the selectivity of oxygen-free products. Above 99% selectivity of oxygen-free products has been attained for Ni/30Si-OMA and Ni/40Si-OMA catalysts. The Lewis acid sites of the OMA promote the deoxygenation efficiency through the enhanced adsorption of oxygen-containing intermediates. Besides, the Brønsted acid sites generated in OMA as the result of Si-doping promote the ring-opening and dehydration reactions of the oxygen-containing intermediates, which further lead to an overall enhanced hydrodeoxygenation performance for dibenzofuran.
✓ 已验证
产品关联
DOI
高影响因子
APPLIED CATALYSIS A-GENERAL
·
2022
·
IF 5.723
Yushan Yang,Shaoyu Yuan,Heli Pan,Zixuan Li,Zejiang Li,Sufang Sun,Yongjun Gao
A novel explosion-assistant strategy was developed to fabricate graphene oxide supported nickel and palladium three-component catalyst Pd/Ni/NiO/GO for hydrogenation of nitriles to secondary amines. The explosion during the synthesis of catalyst was essential to the well-dispersion of palladium and the decomposition of metal salt precursors. Palladium component was well anchored on nickel oxide and graphene oxide sheets, which regulated the catalytic performance of palladium. This special structure facilitated the spillover of active hydrogen species generated on palladium component to nickel (oxide) and graphene oxide sheets, enhancing the catalytic activity of the bimetallic catalyst. This work developed an effective strategy to fabricate multi-component metal catalyst with low-cost transition metal as main composition for selective hydrogenation of nitriles to secondary amines.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2022
·
IF 9.965
Jiao Yang,Lishan Peng,Na Yang,Lianqiao Tan,Fangzheng Wang,Xinran Shen,Qingfei Liu,Zidong Wei
The promotional effects of inert nitrides for metal catalysts in the electrolysis are rarely reported. Recently, we reported an efficient Ni-VN/NF (that NF represents Ni foam) composite by nitriding treatment of NiV-layered double hydroxides (NiV-LDH) precursor that was in-situ hydrothermal growth on nickel foam. The optimal Ni-VN/NF exhibited outstanding electrocatalytic performance for hydrogen evolution reaction (HER) with a small overpotential of 39 mV at 10 mA cm −2 and strong durability for 100 h without degradation. The optimized electronic structure and local charge density at the hetero-interface of Ni-VN, evidenced by both experiment and DFT results, were significantly modulated by the electron transfer from Ni to V-N bond at the interfaces, leading to moderate H* adsorption energy and diminished barrier for H 2 O dissociation, synergistically promoted basic HER. This work highlights the design principle of strong metal-nitride interactions for advanced HER catalysts.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）