JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
·
2026
·
IF 1.7
Yao Benlin,Ren Guangzhi,Jia Hongwei,Yang Mingshuai,Li Xun,Liu Xiao,Sun Jing,Liu Sijing,Xiao Yiqun,Meng Zhaokai,Song Peng,Chen Hui,Zhang Qiuyue,Zhang Lei,Lin Rushan,Ye Guoan,He Hui
This study investigated the electrolytic reduction of kilogram-scale U₃O₈ pellets in molten LiCl and focused on optimizing the process for nuclear fuel cycle applications. Critical developments included resolving carbon impurity issues in LiCl, implementing a sequential kerosene-cyclohexane washing process at 150 °C for lithium anode pretreatment, and establishing optimal pellet fabrication parameters. By adjusting the sintering atmosphere, the pellet density (4.5–8.5 g/cm 3 ) and chemical composition (U₃O₈ or U₄O₉) could be controlled. The electrolytic reduction used a stainless-steel cathode basket loaded with sintered pellets and a lithium metal counter electrode. The experiment was conducted in an inert-atmosphere glove box for 181h. The results showed reduction extents of 99.09% for U₃O₈ and 99.17% for U₄O₉, a uranium metal production rate of 55.7 gU/h, and a current efficiency of 56.1%. X-ray diffraction analysis confirmed that the primary reduction products were metallic uranium and uranium carbide.
✓ 已验证
产品关联
DOI
高影响因子
International Journal of Minerals Metallurgy and Materials
·
2020
·Vol. 27
·期 12
·1687-1694
·
IF 1.713
Tian Dong-hua,Han Zhen-chao,Wang Ming-yong,Jiao Shu-qiang
Graphite materials are widely used as electrode materials for electrochemical energy storage. N-doping is an effective method for enhancing the electrochemical properties of graphite. A novel one-step N-doping method for complete and compact carbon paper was proposed for molten salt electrolysis in the LiCl-KCl-Li 3 N system. The results show that the degree of graphitization of carbon paper can be improved by the electrolysis of molten salts, especially at 2.0 V. Nitrogen gas was produced at the anode and nitrogen atoms can substitute carbon atoms of carbon paper at different sites to create nitrogen doping during the electrolysis process. The doping content of N in carbon paper is up to 13.0wt%. There were three groups of nitrogen atoms, i.e. quaternary N (N-Q), pyrrolic N (N-5), and pyridinic N (N-6) in N-doping carbon paper. N-doping carbon paper as an Al-ion battery cathode shows strong charge-recharge properties.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
·
2017
·
IF 5.401
Jianxun Dai,Tong Zhang,Rongrong Qi,Hongran Zhao,Teng Fei,Geyu Lu
A physical mixing is usually needed in order to load lithium chloride (LiCl) in a matrix. A method of in situ loading LiCl in the cross-linked polymer framework by click reaction is demonstrated in this work. Pentaerythritol tetrakis(3-mercaptopropionate) (PETMP) and divinylbenzene (DVB) were taken as the monomers to construct stable cross-linked polymer matrix, while different contents of LiCl were introduced in the polymerization process for preparing humidity sensitive composites. The cross-linked composites with uniform distribution of LiCl were obtained. Humidity sensors based on the composites were fabricated and their sensing properties were systematically investigated. The optimum mass ratio of LiCl was determined to be 8 wt%, the corresponding sensor owns a variation of impedance modulus beyond two orders of magnitudes from 11% to 95% relative humidity (RH), a maximum humidity hysteresis of ∼1.5% RH, and a short response and recovery time of 3.5 and 63 s, respectively. The humidity sensing mechanism of the obtained sensor was explored by the complex impedance spectroscopy and the equivalent circuit.
研究领域:
材料科学
·
传感器技术
✓ 已验证
产品关联
DOI
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
·
2022
·
IF 9.221
Yimeng Yang,Xifang Li,Duo Qi,Chengji Zhao
Non-contact sensing is an immediate research focus as a much greener and hygienic human-machine interface. Nonetheless, much research remains to be done on fast and stable non-contact sensors based on humidity signals. Hence, in this paper, hyperbranched sulfonated polysiloxane (HPS) with carboxyl groups at the end was synthesized by polycondensation reaction . The resulting polymer was compounded with LiCl and fabricated into humidity sensors . Benefiting from the tailored hydrophilicity/hydrophobicity of the material, flexible siloxane backbones and ionized LiCl, the sensor exhibited five orders of magnitude impedance changes over a wide humidity test range (11–98% RH) with rapid response (1–2 s) and small humidity hysteresis (3% RH). The results of continuous cyclic test confirmed the good reproducibility and stability of the material. Moreover, the sensor was able to distinguish and respond to fingers at different distances, respirations with altered frequencies and various commands. By integrating humidity sensors into the circuit, a low-cost, portable and wireless non-contact monitoring device was developed. The detector enables real-time display of data on a cell phone , which is of great potential value for non-contact distance detection, command recognition and respiration monitoring.
研究领域:
材料科学
·
生物医学工程
✓ 已验证
产品关联
DOI
高影响因子
Nano Energy
·
2025
·
IF 17.1
Dong Wang,Hongmei Cao,Jiao Wang,Junhao Liu,Xuzhong Gong,Tao Qi,Zhi Wang
The preparation of LiNi x Co y Mn z O 2 (NCM) cathode through molten salt (MSs) reaction has great advantage in electrochemical performance due to its uniform and well-controlled reaction environment. However, the critical role of O 2- which acts as the essential reactant has never been considered. Here, homogeneous NCM523 cathode particles with low Li/Ni intermixing were synthesized in LiCl-containing molten salts, benefiting from the excellent O 2- dissolving capability of LiCl. The critical role of LiCl shows that it can either promote the uniform crystallization or leads to the collapse of the layered structure. Furthermore, by considering both O 2- solubility and low melting point, the prepared NCM523 cathode shows high specific capacity (173 mAh g −1 at 0.1 C, 4.3–2.8 V) and excellent capacity retention (96 % after 150 cycles at 1 C cycling). The NCM cathode preparing process in molten LiCl containing MSs shows both advance in thermodynamics and kinetics. This approach can also be successfully extended to other NCM cathode materials.
研究领域:
材料科学
·
电化学
·
储能
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF APPLIED ELECTROCHEMISTRY
·
2024
·
IF 2.4
Li Mei,Du Rui,Wei Hedi,Chen Jiayi,Liu Rugeng,Zhang Meng,Han Wei
In order to investigate the influences of the additive (KF) on electrochemistry and deposit morphology of Pr, various electrochemical techniques were used to comparative investigate the electroreduction potential and diffusion coefficient of Pr 3+ and kinetic properties of Pr 3+ /Pr in LiCl–KCl-PrCl 3 before and after the addition of KF at different molar concentration ratios of F − to Pr 3+ ( k ). Cyclic voltammetry, square wave voltammetry, and reverse chronopotentiometry results showed that the value of k ( k = 0, 1, 2, 3, and 4) had no effect on reduction mechanism of Pr 3+ . With the increase of k , the reduction peak potential moved in the negative direction, the diffusion coefficient decreased, and diffusion activate energy increased. Meanwhile, the exchanged current densities ( j 0 ), charge transfer resistances ( R ct ), and activate energies ( E a ) were measured at different k by linear polarization technique, which illustrated that with the increase of k , j 0 gradually decreased, and E a and R ct increased. Furthermore, the electrochemical preparation of Pr aided by KF was explored by potentiostatic electrolysis at different k , and the products were characterized by XRD, SEM, and EDS, which indicated that with the increase of k , the morphology of metallic Pr changed from slender needles to granular. Graphical abstract
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
Nano Energy
·
2024
·
IF 16.8
Furong Cao,Jingchang Sun,Siwen Liu,Huiying Cheng,Zijiang Yang,Liuting Shan,Zhan Wang,Qiuju Feng,Jiming Bian,Junfeng Gao
Moisture electricity generator (MEG) has gained increasing interest due to its tremendous potential applications in generating electricity from sustainable ambient moisture. However, the development of MEG for self-powered electronics is seriously hindered by the low power density of individual MEG devices. Moreover, it is highly desirable to explore the potential of MEG in wearable applications. To significantly enhance the output performance of wearable MEGs, an ionic hydrogel moisture electricity generator (IH-MEG) featuring a PAM-LiCl/CMC structure was fabricated, demonstrating an excellent combination of flexibility and high-power density. The moisture energy is produced from the phase transition of water between its gaseous state and its adsorbed state, which exhibit different enthalpy and entropy. A significant number of ions are generated upon water absorption, and the three-dimensional pore structure facilitates the rapid transport of these ions within the IH-MEG, effectively converting the chemical energy stored in the IH-MEG into electrical energy. Under normal conditions (20°C and 90 % relative humidity), the maximum output power density from an individual IH-MEG can reach as high as 113 μW·cm⁻², with an open-circuit voltage of 1.8 V and a short-circuit current of 1.2 mA, nearly doubling the previously reported values. Moreover, our IH-MEG can collect mechanical energy when pressure is applied to the device. Our achievements provide profound insights into enhancing the output performance of sustainable MEGs through the rational utilization of ion hydrogels via a simple fabrication process.
研究领域:
材料科学
·
能源技术
✓ 已验证
产品关联
DOI
高影响因子
FUEL
·
2025
·
IF 7.5
Ao Gao,Wei Lu,Yuntao Liang,Zhenglong He,Jinliang Li,Yong Sun,Shuanglin Song
A multifunctional LiCl@PAM powder material with both fire prevention and dust suppression functions was prepared. It features simple synthesis, convenient production processes, and sprayability. The physical and chemical structure, water absorption/retention and thermal conductivity of LiCl@PAM gel were investigated. Experimental studies were conducted on the effects of LiCl@PAM gel powders with different salt contents on lignite coal spontaneous combustion (CSC) and dust suppression. Results from FTIR, SEM, water absorption and retention tests, swelling tests, infrared thermal imaging, low-temperature oxidation experiments, thermogravimetric analysis, immersion tests and simulated dust suppression tests showed that the 20 wt%LiCl@PAM gel powder exhibited the best overall performance. This gives it significant advantages in both preventing CSC and suppressing dust. In terms of CSC inhibition, compared to raw coal, the crossing point temperature of 20 wt%LiCl@PAM/coal increased by 33.9 °C and the inhibition rate reached 74.37 % at 90 °C. The apparent activation energies increased by 8.5 kJ/mol (at 30–90 °C) and 10.9 kJ/mol (at 110–190 °C), respectively. In terms of dust suppression, 20 wt%LiCl@PAM showed excellent dust suppression and wetting properties through the combined effect of the strong hygroscopicity of LiCl and the adhesive and agglomeration ability of PAM. This LiCl@PAM powder material provides a novel multifunctional integrated material and solution for the prevention of CSC and dust hazards.
✓ 已验证
产品关联
DOI
高影响因子
SENSORS AND ACTUATORS A-PHYSICAL
·
2026
·
IF 5.1
Yumeng Wang,Shiyi Liu,Yonggang Du,Yulei Jia,Yudou Wang,Haixia Zheng
Developed a LiCl-doped MoS₂ composite for self-powered humidity sensing. • Exhibits wide sensing range, fast response, low hysteresis, and high repeatability. • Enables capacitor charging, LED lighting, breath monitoring & noncontact sensing. Humidity sensors are widely used in environmental monitoring and human-related applications. Electrochemical power generation humidity (ECH) sensors have gained considerable attention owing to their zero external power requirement, compact size, and battery-like power generation capability. In this study, we propose an ECH sensor based on LiCl-doped MoS₂ microspheres as the humidity-sensing material. MoS₂ microspheres were synthesized by a hydrothermal method in an ionic liquid/water binary emulsion, combined with LiCl solution to form the sensing slurry, and coated across planar Cu and Zn foil electrodes to construct a humidity-activated galvanic device. The material was characterized by SEM, EDS, FTIR, XPS, and contact-angle measurements, and its humidity-sensing and power-generation performance was systematically evaluated in saturated-salt humidity chambers. The sensor achieves a wide detection range (11%–97% RH) with fast response/recovery (4.6/40.1 s), good repeatability (RSD = 0.44% over 10 cycles), and low hysteresis (6.4%). The average sensitivity is approximately 5.2 mV/%RH over the 11%–97% RH range. A single device outputs 0.70 V at 97% RH, and a series array of five sensors can charge a capacitor to light a red LED, demonstrating its power generation capability. Applications in respiratory-pattern detection and contactless finger-proximity sensing are further demonstrated, highlighting the practical potential of this ECH sensor. Download: Download high-res image (193KB) Download: Download full-size image
✓ 已验证
DOI
高影响因子
DOKLADY PHYSICAL CHEMISTRY
·
2025
·Vol. 520
·期 1
·1-10
·
IF 1.5
Xingbing Yang,Zhang Tingting,Zhu Jing,Wu Qian,Zhang Qin,Li Jingyi,Jiang Tingting,Xiao Qin
In this work, the isothermal solution equilibrium method was used to examine the phase equilibrium of a ternary LiCl–LiBr–CH 3 OH system at 273 and 323 K. The solubilities of LiCl and LiBr in CH 3 OH at different temperatures were measured by chemical analysis. The chemical composition of the equilibrium solid phase was determined via the wet slag method combined with X-ray diffraction. Thus, the corresponding phase diagram was created, and the LiCl–LiBr–CH 3 OH and LiCl–LiBr–H 2 O ternary systems were compared at different temperatures. The results showed that the phase diagram characteristics of the LiCl–LiBr–CH 3 OH ternary system at 273 and 323 K were similar, with a saturation point, two univariable solubility curves and two solid phase crystallization zones; these zones represented the Li(Cl,Br) solid solution crystallization zone and LiCl single salt crystallization zone. The single salt of LiCl can be separated using crystallization filtration. LiBr has a salt-out effect on LiCl, but LiBr cannot be obtained. With increasing temperature, the contents of LiCl and LiBr at the saturation point of the LiCl–LiBr–CH 3 OH ternary system increase, and the solubilities of LiCl and LiBr in methanol gradually increase.
✓ 已验证
DOI
高影响因子
ACS Applied Polymer Materials
·
2024
·
IF 4.4
Weixiong Dong,Tiantian Ren,Haiyan Tao,Shuping Jia,Guihua Meng,Jianning Wu
In recent years, solar-powered highly hygroscopic lithium chloride-modified gels were developed based on adsorptive atmospheric water harvesting (SAWH), an attractive method for obtaining fresh water from the atmosphere. In order to enrich the atmospheric water collection materials and obtain high-performance atmospheric water collection materials, an SAWH composite material, LiCl (PAA-CMC-Na/DA-rGO@LiCl), with high efficiency, high stability, and low energy consumption has been designed and successfully prepared. The material consists of sodium carboxymethyl cellulose (CMC-Na) with high swelling performance and acrylic acid (AA) as the hydrophilic hydrogel network, dopamine-reduced graphene oxide (DA-rGO) as the solar-thermal conversion medium, and high hygrometric lithium chloride (LiCl) as the hygrometric salt at low relative humidity (RH). A high water adsorption performance was obtained, with a water adsorption capacity of 0.819–3.019 g·g–1 after 12 h under a wide humidity range of 30%–90% RH. At 1 kW·m–2 light illumination (1 kW·m–2 is proportional to 1 sun), the surface temperature of the gel reached 69.5 °C after 60 min, and 79.1% of the adsorbed water was released, showing good solar-thermal conversion and water desorption performance. The material was cycled 10 times, which proved that the composite hydrogel had good performance stability.
研究领域:
材料科学
·
环境科学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF NUCLEAR MATERIALS
·
2019
·
IF 2.547
Shilin Jiang,Kui Liu,Yalan Liu,Taiqi Yin,Zhifang Chai,Weiqun Shi
The electrochemical behavior of Th(IV) on a bismuth electrode in LiCl–KCl eutectic was investigated by various electrochemical techniques , aiming at in-depth elucidation of basic electrochemical and thermodynamic properties of Th in molten salt . The results of cyclic voltammetry and coulometric titration indicated that the reduction of Th(IV) on a liquid Bi electrode occurred at −0.92 V (vs. Ag/AgCl) and was a one-step process with four electrons transferred. In addition, thermodynamic properties of Th in liquid Bi medium were evaluated by coulometric titration method in the temperature range from 723 to 798 K. The redox peaks of Bi 2 Th intermetallic compound were detected at −1.13 and −1.05 V, and the corresponding Gibbs free energy of formation was measured by open circuit chronopotentiometry (OCP). Finally, galvanostatic electrolysis (GE) was conducted on a liquid Bi electrode to extract Th from molten salt at 773 K. X-ray diffraction (XRD) and scanning electron microscopy-energy dispersive spectrometry (SEM-EDS) were applied to characterize the composition and morphology of the products, and revealed the formation of Bi 2 Th intermetallic compound.
研究领域:
电化学
·
材料科学
·
核能工程
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）