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学者姓名：衷水平
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Abstract ：
碳酸锶是维持锌电解顺行的关键添加剂之一.通过盐酸浸出含锶阳极泥获得含锶浸出液,进一步添加碳酸钠析出碳酸锶,实现了从含锶阳极泥回收碳酸锶并返用于锌电解液的新工艺.探究了反应温度、反应时间、液固比、碳酸钠添加量等条件的优化.在浸出温度65 ℃、浸出时间3 h、液固比30 mL/g、碳酸钠添加量为硫酸锶摩尔量的1.5倍时,阳极泥中锶的回收率为37.6％,所获碳酸锶产品含锶42.9％(等同71.5％SrCO3),主要杂质为锌、锰.考虑到Zn2+及Mn2+均为锌电解液的主要离子,因此在所获碳酸锶产品作为添加剂返用于电解液时上述杂质不会对电解过程造成负面影响.研究结果有望为锌冶炼阳极泥中锶资源的回收利用提供参考.
Keyword ：
含锶阳极泥 含锶阳极泥 添加剂 添加剂 碳酸锶 碳酸锶 锌电沉积 锌电沉积
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| GB/T 7714 | 段宇坤 , 邱小玲 , 苏国晖 et al. 含锶阳极泥湿法冶金制备碳酸锶 [J]. | 有色金属（冶炼部分） , 2025 , (4) : 201-208 . |
| MLA | 段宇坤 et al. "含锶阳极泥湿法冶金制备碳酸锶" . | 有色金属（冶炼部分） 4 (2025) : 201-208 . |
| APA | 段宇坤 , 邱小玲 , 苏国晖 , 张文泽 , 迟晓鹏 , 翁威 et al. 含锶阳极泥湿法冶金制备碳酸锶 . | 有色金属（冶炼部分） , 2025 , (4) , 201-208 . |
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氰化物具有高毒性,在黄金选冶过程中会产生大量的含氰废水及尾渣亟待处理.随着环保政策的日益完善及人们环保意识的逐渐增强,绿色、无毒的非氰浸金药剂逐渐成为研究热点.在过去几十年中,已研发了三十余种非氰浸金药剂及方法,包括硫脲、硫代硫酸盐、硫氰酸盐、卤化法、多硫化物法和氨基酸等.由于存在种种技术障碍,当前非氰浸金药剂的开发与应用大都集中在实验室规模或中试试验规模.此外,还有部分学者聚焦于新型环保提金药剂的开发与应用.这类提金药剂在某些复杂难处理金矿工业实践中具有比氰化物更好的选择性、更快的浸出速率和安全环保等优点,但也存在药剂耗量较大、使用条件复杂、提金机理不明确,提金尾液污染环境等问题.鉴于此,本文详细介绍了各类浸金药剂的性质,系统阐述和讨论各类药剂的提金机理、发展现状及优缺点,最后总结并展望了各类提金药剂的潜在工业应用前景.
Keyword ：
氰化法 氰化法 浸出机理 浸出机理 浸金药剂 浸金药剂 湿法冶金 湿法冶金 金 金 非氰化法 非氰化法
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| GB/T 7714 | 陈俊南 , 衷水平 , 翁威 et al. 湿法提金技术进展及机理探讨 [J]. | 矿冶 , 2025 , 34 (1) : 1-11 . |
| MLA | 陈俊南 et al. "湿法提金技术进展及机理探讨" . | 矿冶 34 . 1 (2025) : 1-11 . |
| APA | 陈俊南 , 衷水平 , 翁威 , 迟晓鹏 , 谭文 , 蔡教忠 et al. 湿法提金技术进展及机理探讨 . | 矿冶 , 2025 , 34 (1) , 1-11 . |
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Efficient removal of iron and aluminum impurities is critical for the extraction of lithium and rubidium from zinnwaldite, a lithium-bearing mineral. In this study, solvent extraction using P507 was employed to remove iron and aluminum from zinnwaldite leaching solutions. However, stripping iron from the organic phase proved challenging due to the strong interaction between iron ions and the extractant. To address this, a novel reduction stripping method was developed using ascorbic acid (AA) as a reductant. This method exploits the reduction of Fe3+ to Fe2+ in the aqueous phase, weakening the binding between iron ions and the organic phase, thus enabling efficient stripping. The optimized process achieved over 99.99% removal of iron and aluminum impurities. Subsequently, rubidium was selectively extracted using t-BAMBP, with a total recovery rate of 88.53%. Scaling-up experiments confirmed the feasibility of the process for industrial applications, demonstrating high efficiency and reagent recyclability. This study offers a promising approach for the efficient extraction and separation of valuable metals from zinnwaldite, with potential for broader applications in metal processing.
Keyword ：
extraction extraction impurity impurity rubidium rubidium stripping stripping zinnwaldite zinnwaldite
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| GB/T 7714 | Tan, Wen , Yang, Yanbo , Liang, Donghui et al. Study on Impurity Removal from Lepidolite Leaching Solution and the Extraction Process of Rubidium [J]. | MINERALS , 2025 , 15 (1) . |
| MLA | Tan, Wen et al. "Study on Impurity Removal from Lepidolite Leaching Solution and the Extraction Process of Rubidium" . | MINERALS 15 . 1 (2025) . |
| APA | Tan, Wen , Yang, Yanbo , Liang, Donghui , Weng, Wei , Chi, Xiaopeng , Zhong, Shuiping . Study on Impurity Removal from Lepidolite Leaching Solution and the Extraction Process of Rubidium . | MINERALS , 2025 , 15 (1) . |
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All-solid-state batteries (ASSBs) are regarded as the core direction of the next generation of energy storage technology, with their commercialization time schedule being specifically listed out officially. However, the promising future of ASSBs is highly dependent on the high-efficiency synthesis of lithium sulfide (Li2S), which is a critical raw material for fabricating solid electrolytes. In fact, Li2S is also a competitive cathode material for lithium-sulfur batteries due to its high theoretical specific capacity (1167 mAh/g). Unlike previous reports that focus on a single reaction path or experimental details, this review systematically summarizes Li2S synthesis strategies from a new dimension of reaction medium (liquid phase, solid-solid, gas-solid) and constructs a six-dimensional radar evaluation system based on economic, technical, and environmental impacts. The contents can hopefully provide a comprehensive understanding of synthesizing critical Li2S raw materials for energy storage, especially for ASSBs.
Keyword ：
all-solid-statebatteries all-solid-statebatteries economic feasibility economic feasibility Li2S synthesis Li2S synthesis solid electrolyte solid electrolyte technical performance technical performance
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| GB/T 7714 | Weng, Wei , Lan, Youfen , Tang, Ding et al. Research Progress on Lithium Sulfide Synthesis: A Review [J]. | ACS APPLIED ENERGY MATERIALS , 2025 , 8 (18) : 13139-13154 . |
| MLA | Weng, Wei et al. "Research Progress on Lithium Sulfide Synthesis: A Review" . | ACS APPLIED ENERGY MATERIALS 8 . 18 (2025) : 13139-13154 . |
| APA | Weng, Wei , Lan, Youfen , Tang, Ding , Fu, Liuyu , Tan, Wen , Zhong, Shuiping . Research Progress on Lithium Sulfide Synthesis: A Review . | ACS APPLIED ENERGY MATERIALS , 2025 , 8 (18) , 13139-13154 . |
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Electrochemical conversion of hypertoxic trivalent arsenic to value-added metallic arsenic can not only contribute to pollution abatement, but also resources reutilization, therefore being widely explored. Electrochemical reduction of trivalent arsenic as a promising way is widely explored. However, the high efficiency conversion is retarded by the sluggish reduction kinetics of AsO33− and fierce evolution of side products of both H2 and toxic AsH3. Herein, by using the sodium citrate as the additive, the current efficiency for metal arsenic production is increased greatly from 60% to 91%, with the accompanied evolution of hypertoxic AsH3 being restrained from 0.15 Nm3/tAs to 0.022 Nm3/tAs, promising a high-efficiency and green process. The electrochemical tests and electrode surface characterizations as well as DFT calculations indicate that the added sodium citrate promotes both the diffusion of reactive AsO33− towards the cathode and its subsequent adsorption on the Ti cathode, contributing to smoother reduction for generating metal arsenic, with the evolution of toxic AsH3 being hindered at the same time. The results can provide new insights for the high-efficiency and greener conversion of hypertoxic trivalent arsenic to value-added metallic arsenic. © 2024
Keyword ：
Cathodes Cathodes Efficiency Efficiency Electrochemical electrodes Electrochemical electrodes Electrolytic reduction Electrolytic reduction Sodium compounds Sodium compounds
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| GB/T 7714 | Zhong, Shuiping , Xu, Tingyu , Chen, Hang et al. Sodium citrate enhancing electrodeposition of metallic arsenic from toxic trivalent arsenic and the mechanism understanding [J]. | Journal of Environmental Sciences (China) , 2025 , 151 : 79-87 . |
| MLA | Zhong, Shuiping et al. "Sodium citrate enhancing electrodeposition of metallic arsenic from toxic trivalent arsenic and the mechanism understanding" . | Journal of Environmental Sciences (China) 151 (2025) : 79-87 . |
| APA | Zhong, Shuiping , Xu, Tingyu , Chen, Hang , Tang, Ding , Tan, Wen , Weng, Wei et al. Sodium citrate enhancing electrodeposition of metallic arsenic from toxic trivalent arsenic and the mechanism understanding . | Journal of Environmental Sciences (China) , 2025 , 151 , 79-87 . |
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Coating a carbon layer on the surface of the current collector can enhance the performance of lithium-ion batteries by improving the interfacial conductivity and the adhesion of the active material. However, traditional carbon-coated copper foil uses hydrophobic graphite as the conductive material, which has poor dispersion and adhesion to the binder, and the preparation process requires the use of environmentally harmful organic solvents. In this work, carboxylated carbon nanosheets (CCN) are synthesized via a simplified ball-milling method utilizing graphite and dry ice as starting materials, and a water-based carbon slurry is formulated, employing environmentally friendly deionized water as the solvent. By coating the CCN-coated copper foil surface with a commercially proportioned graphite slurry, we fabricate electrodes that exhibit exceptional rate performance and cycle stability. In situ impedance combined with the distribution of relaxation times analysis reveals that the CCN layer between the active material and the copper foil not only ensures a stable and fast conductive connection but also reduces side reactions caused by uneven lithiation. This work provides insights into the rational design of battery structures and the preparation of environmentally friendly carbon slurries.
Keyword ：
carbon-coated copperfoil carbon-coated copperfoil conductivelayer conductivelayer current collector current collector lithium-ion battery lithium-ion battery surface modification surface modification
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| GB/T 7714 | Zhong, Shuiping , Liu, Hongyu , Yang, Lei et al. Environmentally Friendly Water-Based Carbon Slurry with Carboxylated Carbon Nanosheets for Optimizing the Electrode-Collector Interface in Lithium-Ion Batteries [J]. | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (7) : 10593-10602 . |
| MLA | Zhong, Shuiping et al. "Environmentally Friendly Water-Based Carbon Slurry with Carboxylated Carbon Nanosheets for Optimizing the Electrode-Collector Interface in Lithium-Ion Batteries" . | ACS APPLIED MATERIALS & INTERFACES 17 . 7 (2025) : 10593-10602 . |
| APA | Zhong, Shuiping , Liu, Hongyu , Yang, Lei , Weng, Wei , Tan, Wen . Environmentally Friendly Water-Based Carbon Slurry with Carboxylated Carbon Nanosheets for Optimizing the Electrode-Collector Interface in Lithium-Ion Batteries . | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (7) , 10593-10602 . |
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Introducing a conductive carbon layer between the copper foil current collector and silicon active material effectively mitigates electrode damage and battery capacity loss caused by uneven silicon expansion. In this study, a low-cost, environmentally friendly carbon-coated copper foil (CCF) is designed using zeolitic imidazolate framework 8-derived carbon (ZPC) as the carbon source, polyethylenepyrrolidone (PVP) as the binder, and deionized water as the solvent. The large surface area and porosity of ZPC effectively accommodate the volume expansion of silicon, thereby enhancing the overall performance of the battery. The bare copper foil electrode experiences rapid decay, with a failure occurring after just 75 cycles at 0.5 C. In contrast, the CCF electrode maintains a reversible capacity of 576.8 mAh/g even after 200 cycles. The CCF electrode demonstrates superior specific capacity and cycle stability in both the rate and cycling test. According to the relaxation time distribution (DRT) analysis, the porous carbon layer on the CCF surface ensures excellent electrical contact between silicon and the Cu foil during cycling, facilitates uniform lithium insertion into silicon, prevents uncontrolled growth of the SEI layer, and guarantees stable battery operation. This CCF preparation process provides a promising solution to mitigate the degradation of battery performance caused by silicon expansion.
Keyword ：
carbon-coated copperfoil carbon-coated copperfoil current collector current collector lithium-ion battery lithium-ion battery Si Si ZIF-8-derived carbon ZIF-8-derived carbon
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| GB/T 7714 | Yang, Lei , Liu, Hongyu , Zhong, Shuiping et al. Preparing Carbon-Coated Copper Foil with a Low-Cost and Environmentally Friendly Carbon Slurry to Stabilize Silicon Anode for Lithium-Ion Battery [J]. | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (13) : 19648-19656 . |
| MLA | Yang, Lei et al. "Preparing Carbon-Coated Copper Foil with a Low-Cost and Environmentally Friendly Carbon Slurry to Stabilize Silicon Anode for Lithium-Ion Battery" . | ACS APPLIED MATERIALS & INTERFACES 17 . 13 (2025) : 19648-19656 . |
| APA | Yang, Lei , Liu, Hongyu , Zhong, Shuiping , Weng, Wei , Tan, Wen , Chi, Xiaopeng . Preparing Carbon-Coated Copper Foil with a Low-Cost and Environmentally Friendly Carbon Slurry to Stabilize Silicon Anode for Lithium-Ion Battery . | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (13) , 19648-19656 . |
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Talc is a layered silicate mineral with pronounced crystal anisotropy, consisting of a basal (001) surface and an edge (100) surface, which complicates its separation from valuable minerals. In this study, tannic acid (TA) was used as a depressant, and its adsorption behaviors on the two representative surfaces of talc-silica (basal plane surface) and magnesium silicate (edge surface)-were systematically investigated using experimental methods and molecular simulations. TA addition reduced the contact angles of the talc basal and edge surfaces by 30.5 degrees and 22.7 degrees, respectively, indicating enhanced hydrophilicity. ToF-SIMS analysis revealed that TA physically adsorbs onto the silica surface, while both physical and chemical interactions occur on the magnesium silicate surface. AFM showed lumpy adsorbate on the silica surface and point-like adsorbate on the magnesium silicate surface, with a greater roughness change observed for the former. QCM-D measurements confirmed that TA formed a multilayer flexible adsorbate on the silica surface and a dense, rigid monolayer on the magnesium silicate surface. Molecular dynamics simulations further revealed that van der Waals interactions dominated TA adsorption on the (001) surface, while electrostatic interactions prevailed on the (100) surface. These findings provide insight into the selective depression mechanism of talc and offer guidance for the depression of other layered silicate minerals.
Keyword ：
Adsorption behavior Adsorption behavior Basal plane surface Basal plane surface Edge surface Edge surface Talc Talc Tannic acid Tannic acid
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| GB/T 7714 | Cai, Jiaozhong , Zhong, Shuiping , Deng, Jiushuai et al. Study on the adsorption behavior and adsorption mechanism of green depressant TA on the basal plane and edge surface of talc [J]. | MINERALS ENGINEERING , 2025 , 232 . |
| MLA | Cai, Jiaozhong et al. "Study on the adsorption behavior and adsorption mechanism of green depressant TA on the basal plane and edge surface of talc" . | MINERALS ENGINEERING 232 (2025) . |
| APA | Cai, Jiaozhong , Zhong, Shuiping , Deng, Jiushuai , Wu, Bozeng , Xu, Chengyan , Chi, Xiaopeng et al. Study on the adsorption behavior and adsorption mechanism of green depressant TA on the basal plane and edge surface of talc . | MINERALS ENGINEERING , 2025 , 232 . |
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Scalable conversion of CO2 to C2+ products at high faradaic efficiency (FE) is essential for advancing industrial CO2 valorization, but remains constrained by the difficulties in fabricating large-size electrodes. Herein, we facilely prepared a CuCl-Cu electrode with precise dimensional controllability and easy scalability, presenting a high FEC2H4 of 65.11% at a current density of -300 mA cm-2.
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| GB/T 7714 | Zhong, Shuiping , Chen, Bisheng , Tang, Ding et al. Constructing Cu0/Cu+ interface on copper foils to boost electrochemical CO2 reduction to ethylene [J]. | CHEMICAL COMMUNICATIONS , 2025 , 61 (64) : 12010-12013 . |
| MLA | Zhong, Shuiping et al. "Constructing Cu0/Cu+ interface on copper foils to boost electrochemical CO2 reduction to ethylene" . | CHEMICAL COMMUNICATIONS 61 . 64 (2025) : 12010-12013 . |
| APA | Zhong, Shuiping , Chen, Bisheng , Tang, Ding , Yang, Qiuyue , Weng, Wei , Lu, Xue Feng . Constructing Cu0/Cu+ interface on copper foils to boost electrochemical CO2 reduction to ethylene . | CHEMICAL COMMUNICATIONS , 2025 , 61 (64) , 12010-12013 . |
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Conventional silver powder production routes, which reduce silver nitrate solution in the presence of a polymer protective agent, complicate subsequent powder cleaning and wastewater treatment. This study proposes a sulfate-based inorganic protective agent (utilizing Ag2SO4 precursor replacement) that serves dual functions: morphology stabilization and wastewater treatment simplification. This innovation enables the environmentally friendly preparation of sub-micron spherical silver powder. The effects of peristaltic pump flow rate, pH value, temperature, concentration ratio of oxidant to reducing agent on the particle size and morphology of silver powder were systematically investigated. The resulting silver powder exhibited an average particle size of 0.64 +/- 0.05 mu m and excellent thermal stability (weight loss rate < 0.50 % up to 1000 degrees C). Mechanistic analysis via combined XRD, Zeta potential measurements, and density functional theory (DFT) calculations revealed that SO(4)(2- )preferentially adsorbs on Ag(111) facet via chemisorption. Moreover, the production wastewater can be directly treated biochemically after calcium oxide precipitation and air-stripping treatment. Furthermore, the scale-up experiment (single yield 50.0 g) showed that the performance of the experimental product was consistent with the lab-scale results, indicating that the process has good reproducibility.
Keyword ：
Ascorbic acid Ascorbic acid Density functional theory Density functional theory Silver powder Silver powder Silver sulfate Silver sulfate Sulfate ions Sulfate ions
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| GB/T 7714 | Chen, Jianghao , Huang, Shaoyi , Zhong, Shuiping et al. Scalable synthesis of submicron spherical silver powders mediated by sulfate ions: Dual-function protection mechanism for morphology control and simplified wastewater treatment [J]. | JOURNAL OF CLEANER PRODUCTION , 2025 , 525 . |
| MLA | Chen, Jianghao et al. "Scalable synthesis of submicron spherical silver powders mediated by sulfate ions: Dual-function protection mechanism for morphology control and simplified wastewater treatment" . | JOURNAL OF CLEANER PRODUCTION 525 (2025) . |
| APA | Chen, Jianghao , Huang, Shaoyi , Zhong, Shuiping , Tan, Wen , Zeng, Guangsheng , Weng, Wei et al. Scalable synthesis of submicron spherical silver powders mediated by sulfate ions: Dual-function protection mechanism for morphology control and simplified wastewater treatment . | JOURNAL OF CLEANER PRODUCTION , 2025 , 525 . |
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