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Photothermal catalysis for CO_(2) conversion

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Chinese Chemical Letters 2023年第2期34卷 51-64页

作者： Jian Zhou Hong Liu Haiqing Wang Institute for Advanced Interdisciplinary Research(iAIR) University of jinanJi'nan 250022China State Key Laboratory of Crystal Materials Shandong UniversityJinan 250100China

The conversion of carbon dioxide into useful fuels or chemical feedstocks is of great importance for achieving carbon emission peak and carbon neutrality. The harvesting and conversion of solar energy will provide a sustainable and environmentally friendly energy source for human production and *** recently, photothermal catalysis has been proved to exhibit great advantages in reducing the reaction temperature, promoting the catalytic activity, and manipulating the reaction pathway in comparison with traditional thermal catalysis. In this review, we firstly introduced the fundamental mechanisms and categories of photothermal catalysis to understand the synergy or the difference between photochemical and thermochemical reaction pathways. Subsequently, the criteria and strategies for photothermal catalyst design are discussed in order to inspire the development of high-efficiency photothermal catalytic route by achieving intense absorption of broadband solar energy spectrum and high conversion capability of solar-to-heat. Recent progress in CO_(2)reduction achieved by photothermal catalysis was summarized in terms of production types. In the end, the future challenges and perspectives of photothermal catalytic CO_(2)reduction are presented. We hope that this review will not only deepen the understanding of photothermal catalysis, but also inspire the design, preparation and application of high-performance photothermal catalysts, aiming at alleviating non-renewable fossil energy consumption and carbon emissions for early carbon emission peak and carbon neutrality.

关键词： Photothermal catalysis CO_(2)conversion CO_(2)photocatalysis CO_(2)thermalcatalysis Solar conversion

Challenges in Li-ion battery high-voltage technology and recent advances in high-voltage electrolytes

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Journal of Energy Chemistry 2024年第4期91卷 73-98页

作者： Jianguo Liu Baohui Li Jinghang Cao Xiao Xing Gan Cui shandong Key Laboratory of Oil&Gas Storage and Transportation Safety College of Pipeline and Civil EngineeringChina University of Petroleum(East China)Qingdao 266580ShandongChina

The electrolyte directly contacts the essential parts of a lithium-ion battery,and as a result,the electrochemical properties of the electrolyte have a significant impact on the voltage platform,charge discharge capacity,energy density,service life,and rate discharge *** raising the voltage at the charge/discharge plateau,the energy density of the battery is ***,this causes transition metal dissolution,irreversible phase changes of the cathode active material,and parasitic electrolyte oxidation *** article presents an overview of these concerns to provide a clear explanation of the issues involved in the development of electrolytes for high-voltage lithium-ion ***,solidstate electrolytes enable various applications and will likely have an impact on the development of batteries with high energy *** is necessary to improve the high-voltage performance of electrolytes by creating solvents with high thermal stabilities and high voltage resistance and additives with superior film forming performance,multifunctional capabilities,and stable lithium *** offer suggestions for the future development of high-energy lithium-ion batteries,we conclude by offering our own opinions and insights on the current development of lithium-ion batteries.

关键词： Lithium-ion battery High voltage Electrolyte additive Solid electrolyte

Modal parameter determination and chatter prediction for blade whirling: a comparative study based on symmetric and asymmetric FRF

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Advances in Manufacturing 2021年第1期9卷 145-159页

作者： Lu-Yi Han Ri-Liang Liu Xin-Feng Liu School of Mechanical Engineering Shandong UniversityJinan 250061People's Republic of China Key Laboratory of High Efficiency and Clean Mechanical Manufacture Shandong UniversityJinan 250061People's Republic of China National Demonstration Center for Experimental Mechanical Engineering Education Shandong UniversityJinan 250061People's Republic of China

Whirling has been adopted for the cost-effective machining of blade-shape components in addition to traditional end milling and flank milling *** satisfy the requirements of rotary forming in the blade whirling process,the workpiece must be clamped at both ends in suspension and rotated slowly during machining,which complicates the *** study aims to identify the dynamic characteristics within the blade whirling operation and present strategies for stability *** this study,the dynamic characteristics of a whirling system are modeled by assuming symmetric and asymmetric *** prediction frequency response function(FRF)results are compared with experimental ***,semi-discretization stability lobe diagrams(SLDs)obtained using the dynamic parameters of these models are investigated *** results show that the asymmetric model is more suitable for describing the whirling system,whereas the symmetric model presents limitations associated with the frequency range and location of measuring ***,a set of airfoil propeller blade whirling operations is conducted to verify the prediction accuracy.

关键词： Whirling Asymmetric frequency response function(FRF) Stability lobe diagrams(SLD) Semi-discretization method

Temperature dependent behaviors of electro-elastic properties of NdCa_(4)O(BO_(3))_(3)crystal with monoclinic symmetry

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Journal of Rare Earths 2022年第11期40卷 1772-1777,I0004页

作者： Guiteng Yao Feifei Chen Fapeng Yu Xian Zhao State Key Laboratory of Crystal Materials Center for Optics Research EngineeringShandong UniversityJinan 250100China

Rare-earth calcium oxyborate crystals(RECa_(4)O(BO_(3))_(3),RECOB,RE:rare-earth elements)are a kind of multifunctional crystal *** this work,the temperature dependent behaviors of the electroelastic constants of NdCOB crystal were investigated over the temperature range of-80-200℃,and their temperature coefficients were *** is found that NdCOB crystal possesses minimal variation of relative dielectric permittivities(<3%).The temperature coefficient of frequency for ZY cut with width shear vibration mode is in the order of 0.07×10^(-4)/℃.The temperature coefficients of the elastic compliances are obtained to be in the range of-33.0×10^(-4)/℃-32.2×10^(-4)/℃.Particularly,the sand swere found to show low temperature coefficients of the elastic compliances,i.e.1.0×10^(-4)/℃and-0.4×10^(-4)/℃,respectively,indicating the existence of zero temperature coefficient of frequency crystal ***,the electromechanical coupling factors and piezoelectric coefficients as a function of temperature were *** electromechanical coupling factor kand piezoelectric coefficient dare determined to be~30.8%and~15.2 pC/N at room temperature,*** large piezoelectric response and zero temperature coefficient of frequency indicate the potential usage of NdCOB crystal for piezoelectric frequency devices over a wide temperature range.

关键词： NdCOB Electro-elastic constants Temperature dependence Zero temperature coefficient of frequency Rare earths

Responsive mechanism and molecular design of di-2-picolylamine-based two-photon fluorescent probes for zinc ions

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Chinese Physics B 2018年第2期27卷 327-333页

作者：朱美玉赵珂宋军王传奎 School of Physics and Electronics Shandong Normal University

The properties of one-photon absorption（OPA）, emission and two-photon absorption（TPA） of a di-2-picolylaminebased zinc ion sensor are investigated by employing the density functional theory in combination with response *** responsive mechanism is explored. It is found that the calculated OPA and TPA properties are quite consistent with experimental data. Because the intra-molecular charge transfer（ICT） increases upon zinc ion binding, the TPA intensity is enhanced dramatically. According to the model sensor, we design a series of zinc ion probes which differ by conjugation center, acceptor and donor moieties. The properties of OPA, emission and TPA of the designed molecules are calculated at the same computational level. Our results demonstrate that the OPA and emission wavelengths of the designed probes have large red-shifts after zinc ions have been bound. Comparing with the model sensor, the TPA intensities of the designed probes are enhanced significantly and the absorption positions are red-shifted to longer wavelength range. Furthermore, the TPA intensity can be improved greatly upon zinc ion binding due to the increased ICT mechanism. These compounds are potential excellent candidates for two-photon fluorescent zinc ion probes.

关键词： two-photon absorption fluorescent probe zinc ion intra-molecular charge transfer

The journey to glory: receptor-like kinases in pollen tube growth

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science Bulletin 2016年第11期61卷 827-831页

作者： Sen Chai Furong Ge Sha Li Yan Zhang State Key Laboratory of Crop Biology College of Life SciencesShandong Agricultural University

Double fertilization in angiosperm is a prerequisite for seed and fruit development and has been under close scrutiny in the past decades. Communications between male and female gametophytes are especially important in achieving successful reproduction, in which receptor-like kinases are dominant players. Here, we review progress on the functionality of receptor-like kinases(RLKs) in pollen tube growth and point out challenges facing the study of RLKs in pollen biology.

关键词： Fertilization Polarity Ligand - Pollentube reception FERONIA Gametophyte

Rational design of integrative CNTs@Ge nanotube films as binder-free electrodes for potassium storage

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Rare Metals 2022年第9期41卷 3107-3116页

作者： Jia-Yue Xie Kai Wang Ning-Ning Li Guang-Lu Lei Hou-Shan Mei Xiang-Hong Liu Jun Zhang College of Physics Center for Marine Observation and CommunicationsQingdao UniversityQingdao266071China Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Nankai UniversityTianjin300071China

Alloying materials hold great potential as the anodes for potassium-ion batteries(KIBs).However,the large volume changes during K^(+) alloying/dealloying reactions can lead to structural damage of the electrodes,resulting in fast capacity loss and shortened cycle ***,we report the design of integrative carbon nanotubes@germanium(CNTs@Ge)films on copper foil by combined chemical and physical vapor *** tests show that the integrative CNTs@Ge films,working as binder-free electrodes,demonstrate higher specific capacity and rate performance in comparison with pristine Ge and CNTs *** addition,the CNTs@Ge films also deliver a long cycling stability with an areal specific capacity of 0.0417 mAh·cm^(−2) after 450 cycles at 1000μA·cm^(−2).The enhanced potassium storage properties can be attributed to the interweaved CNTs with abundant space that can effectively buffer the volume expansion of Ge during alloying/dealloying process.

关键词： Carbon nanotubes Germanium Anodes Alloy Potassium-ion batteries

In vitro and in vivo degradation,biocompatibility and bone repair performance of strontium-doped montmorillonite coating on Mg-Ca alloy

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Regenerative Biomaterials 2024年第5期3卷 74-89页

作者： Wenxin Sun Kaining Yang Yuhong Zou Yande Ren Lin Zhang Fen Zhang Rongchang Zeng Department of Bioengineering College of Chemical and Biological EngineeringShandong University of Science and TechnologyQingdao 266590China Affiliated Hospital of Medical College Qingdao University Qingdao 266555China Hospital of shandong University of Science and TechnologyQingdao 266590China Corrosion Laboratory for Light Metals College of Materials Science and EngineeringShandong University of Science and TechnologyQingdao 266590China

Poor bone growth remains a challenge for degradable bone *** and strontium were selected as the carrier and bone growth promoting elements to prepare strontium-doped montmorillonite coating on Mg-Ca *** surface morphology and composition were characterized by SEM,EDS,XPS,FT-IR and *** hydrogen evolution experiment and electrochemical test results showed that the Mg-Ca alloy coated with Sr-MMT coating possessed optimal corrosion resistance ***,in vitro studies on cell activity,ALP activity,and cell morphology confirmed that Sr-MMT coating had satisfactory biocompatibility,which can significantly avail the proliferation,differentiation,and adhesion of ***,the results of the 90-day implantation experiment in rats indicated that,the preparation of Sr-MMT coating effectively advanced the biocompatibility and bone repair performance of Mg-Ca *** addition,The Osteogenic ability of Sr-MMT coating may be due to the combined effect of the precipitation of Si4+and Sr^(2+)in Sr-MMT coating and the dissolution of Mg^(2+)and Ca^(2+)during the degradation of Mg-Ca *** using coating technology,this study provides a late-model strategy for biodegradable Mg alloys with good corrosion resistance,*** new material will bring more possibilities in bone repair.

关键词： Mg-Ca alloy montmorillonite strontium corrosion resistance biocompatibility osteogenesis

Development of a new high-shear and low-pressure grinding wheel and its grinding characteristics for Inconel718 alloy

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Chinese Journal of Aeronautics 2022年第12期35卷 278-286页

作者： Bing LIU Yebing TIAN Jinguo HAN Linguang LI Zhiqiang GU Xintao HU School of Mechanical Engineering Shandong University of TechnologyZibo 255049China Institute for Advanced Manufacturing Shandong University of TechnologyZibo 255049China

Nickel-based alloy has been widely used due to its outstanding mechanical ***, Nickel-based alloy is a typical difficult-to-machine material, which is a great constrain for its application in the manufacturing field. To improve the surface quality of the ground workpiece, a new high-shear and low-pressure grinding wheel, with high ratio of tangential grinding force to normal grinding force, was fabricated for the grinding of selective laser melting(SLM) manufactured Inconel718 alloy. The principle of high-shear and low-pressure grinding process was introduced in detail, which was quite different from the conventional grinding process. The fabrication process of the new grinding wheel was illustrated. A serial of experiments with different processing parameters were carried out to investigate the grinding performance of the developed grinding wheel via analyzing surface roughness and surface morphology of the ground *** optimal processing parameters of high-shear and low-pressure grinding were obtained. The surface roughness of ground workpiece was reduced to 0.232 μm from the initial value of 0.490 μm under the optimal grinding conditions. It was found that the initial scratches on the ground workpiece were almost completely removed after the observations with the metalloscopy and the fieldemission scanning electron microscopy(FE-SEM). The capability of the newly developed highshear and low-pressure grinding wheel was validated.

关键词： Grinding Grinding wheel High-shear and low-pressure grinding Inconel718 alloy Selective laser melting(SLM)