Journal of the Taiwan Institute of Chemical Engineers最新文献_第7页

Preparation of photocatalytic mixed matrix membranes via coagulation bath modulation for removal of small-molecule organic pollutants 混凝浴调制制备光催化混合基质膜去除小分子有机污染物

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-13 DOI: 10.1016/j.jtice.2025.106580

Xiuchan Xiao , Qiuyu Jin , Xiangyuan Zhao , Yongfeng Chen , Huamei He , Qiangbin Yang , Guangyong Zeng

Background

Water pollution has become a significant challenge in contemporary society, posing serious threats to public health and environmental safety. Industrial waste, which contains various small-molecule organic pollutants such as antibiotics and synthetic dyes, is the primary contributor to this issue. Integrating photocatalysis with membrane separation enables photocatalytic membranes to concurrently remove micropollutants through separation and catalytic degradation. However, the dispersion and compatibility of the photocatalyst within the membrane matrix, as well as the structural variability between the photocatalyst and the co-catalyst, may compromise the overall stability and durability of the composite membranes.

Methods

To overcome these challenges, this study introduced a novel approach for the preparation of photocatalytic mixed matrix membranes through a coagulation bath modulation strategy. The chemical compatibility between the nanomaterials and the membrane substrate was effectively modulated, and the interfacial interaction was enhanced by incorporating MXene (Ti₃C₂T_x) nanosheets into the polyvinylidene fluoride (PVDF) casting solution, as well as by introducing polyacrylic acid (PAA) and the photocatalyst graphitic carbon nitride (g-C₃N₄) into the coagulation bath.

Significant Findings

The experimental results indicated that the optimal concentration of g-C₃N₄ was 0.5 g/L, achieving photocatalytic degradation efficiencies of 90.9% for rhodamine B (Rh B) and 86.9% for tetracycline hydrochloride (TCH), with a corresponding membrane permeability of 44.71 L·m⁻²·h⁻¹·bar⁻¹. This study substantially enhanced the membrane's capacity to remove small soluble molecules from water, offering a valuable reference for the stable and efficient removal of small molecular organic pollutants.

地下水污染已成为当代社会面临的重大挑战，对公众健康和环境安全构成严重威胁。工业废物中含有各种小分子有机污染物，如抗生素和合成染料，是造成这一问题的主要原因。将光催化与膜分离相结合，使光催化膜通过分离和催化降解同时去除微污染物。然而，光催化剂在膜基质中的分散和相容性，以及光催化剂和助催化剂之间的结构可变性，可能会损害复合膜的整体稳定性和耐久性。方法为了克服这些挑战，本研究提出了一种通过混凝浴调制策略制备光催化混合基质膜的新方法。将MXene （Ti3C2Tx）纳米片掺入聚偏氟乙烯（PVDF）浇铸液中，以及将聚丙烯酸（PAA）和光催化剂石墨氮化碳（g-C3N4）掺入混凝液中，可以有效调节纳米材料与膜基体之间的化学相容性，增强界面相互作用。实验结果表明，g- c3n4的最佳浓度为0.5 g/L，对罗丹明B （Rh B）的光催化降解效率为90.9%，对盐酸四环素（TCH）的光催化降解效率为86.9%，相应的膜透性为44.71 L·m−2·h−1·bar−1。本研究大大提高了膜对水中可溶性小分子的去除能力，为稳定高效地去除小分子有机污染物提供了有价值的参考。

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引用次数: 0

Multi-function passivation of amino acid at the interface of perovskite and electron transport layer for n-i-p perovskite solar cells 钙钛矿与n-i-p钙钛矿太阳能电池电子传输层界面氨基酸的多功能钝化

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-11 DOI: 10.1016/j.jtice.2025.106571

Bo-Tau Liu , Yu-Fen Chen , Yu-Tang Hong , Rong-Ho Lee , Balamurugan Rathinam , Shu-Chi Huang , Shoaib Siddique

Background

Formamidinium lead triiodide (FAPbI₃) is a promising absorber in perovskite solar cells (PSCs) due to its narrow bandgap and thermal stability, but its α-phase easily converts to the non-perovskite δ-phase under ambient conditions. While inverted PSCs have recently achieved higher efficiencies, interfacial passivation at the electron transport layer (ETL)/perovskite interface in conventional devices remains underexplored.

Methods

4-Aminobenzoic acid (4ABA) was employed as an interfacial passivation agent between the ETL and the FAPbI₃ perovskite layer, and its passivation mechanism as well as its influence on FAPbI₃ growth and phase transformation were systematically investigated.

Significant findings

4ABA incorporation improved film morphology with larger grains, uniform surface, and higher crystallinity. Devices showed reduced trap density, enhanced charge transfer, stronger recombination resistance, stress release, and better stability. The 4ABA-modified device achieved a 14.4 % higher PCE than the control, attributed to its chelation of Pb²⁺/I⁻ defects and conjugated structure that promotes crystal growth and electron extraction.

三碘化甲酰胺铅（FAPbI3）具有窄带隙和热稳定性，是钙钛矿太阳能电池（PSCs）中很有前途的吸收材料，但其α-相在环境条件下容易转化为非钙钛矿δ相。虽然倒置PSCs最近取得了更高的效率，但传统器件中电子传输层(ETL)/钙钛矿界面的界面钝化仍未得到充分探索。方法采用4-氨基苯甲酸（4ABA）作为ETL与FAPbI3钙钛矿层之间的界面钝化剂，系统研究其钝化机理以及对FAPbI3生长和相变的影响。重要的发现是：添加aba改善了薄膜的形貌，晶粒更大，表面均匀，结晶度更高。器件表现出更低的陷阱密度，增强的电荷转移，更强的重组阻力，应力释放和更好的稳定性。4aba修饰的器件的PCE比对照组高14.4%，这归因于其螯合pb2 + /I⁻缺陷和促进晶体生长和电子提取的共轭结构。

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引用次数: 0

Development of iron-modified activated carbon fiber (Fe-ACF) for organic pollutant removal from reverse osmosis concentrate: Modification conditions optimization and adsorption mechanism 反渗透浓缩物中去除有机污染物的铁改性活性炭纤维（Fe-ACF）的研制：改性条件优化及吸附机理

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-30 DOI: 10.1016/j.jtice.2025.106608

Xiaohan Wei , Chen Wang , Tianyi Zhao , Wenxian Wang , Wenming Song , Lihua Cheng , Shujuan Huang , Xuejun Bi

Background

A reverse osmosis (RO) —mediated water recovery process generates reverse osmosis concentrate (ROC), a hypersaline byproduct containing retained contaminants. The direct discharge of untreated ROC into aquatic environments results in a significant waste of water resources and poses significant environmental risks.

Methods

To address the challenges posed by refractory organic pollutants in ROC, we developed iron-modified activated carbon fiber (Fe-ACF). An L9(3⁴) orthogonal array was designed to identify the best modification conditions. The best modification conditions were identified as 10% by mass Fe(NO₃)₃, 1 h of ultrasonic impregnation, and activation at 750 °C.Among these, high-temperature activation was the dominant factor affecting the adsorption performance of Fe-ACF (p < 0.05).

Significant findings

The Fe-ACF exhibited a 257% increase in mesopore volume and was loaded with 4.93% iron by mass to form Fe₃O₄/Fe₂O₃ composite oxides on its surface. The Fe-ACF achieved a 22.73% reduction in hydrophilic organics (HPI) and a 49.54% removal of humic acid-like fluorophores. The improved adsorption performance can be attributed to three synergistic mechanisms: expansion of mesoporous structures, chemisorption mediated by Fe-O bonds, and π-π electron interactions. The results of this study may provide a novel approach for the adsorption-based removal of various organic pollutants in ROC.

反渗透（RO）介导的水回收过程产生反渗透浓缩物（ROC），这是一种含有残留污染物的高盐副产物。未经处理的中华民国直接排放到水生环境中，造成了严重的水资源浪费，造成了重大的环境风险。方法为了解决中华民国地区难降解有机污染物的挑战，我们开发了铁改性活性炭纤维（Fe-ACF）。设计L9（3⁴）正交阵列以确定最佳修饰条件。确定了最佳改性条件为：质量为10%的Fe（NO₃）₃，超声浸渍1 h， 750℃活化。其中，高温活化是影响Fe-ACF吸附性能的主要因素（p < 0.05）。Fe- acf的介孔体积增加了257%，并且在其表面负载了4.93%的铁，形成了Fe₃O₄/Fe₂O₃复合氧化物。Fe-ACF对亲水性有机物（HPI）的去除率为22.73%，对腐植酸类荧光团的去除率为49.54%。介孔结构的扩张、Fe-O键介导的化学吸附和π-π电子相互作用是提高吸附性能的三个协同机制。本研究结果可能为吸附法去除ROC中各种有机污染物提供一种新的途径。

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引用次数: 0

A bivariate Gompertz model quantifies the growth kinetics of Navicula lanceolata 一个二元Gompertz模型量化了杉木Navicula lanceolata的生长动力学

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-13 DOI: 10.1016/j.jtice.2025.106562

Chih-Yu Yang , Tzu-Hsuan Yang , Su-Yuan Lai , Chen-Hao Lin , Hou-Chien Chang , Min-Ying Wang

Background

Diatoms are microalgae with both ecological and economic value, holding great potential for the production of high-value biomolecules. To improve cultivation efficiency, investigating growth kinetics under different nutrient concentrations is of practical importance.

Methods

In this study, Navicula lanceolata was cultivated in 500 mL batch mode under four different medium concentrations (0.5f, 2.5f, 5f, and 10f). Growth curves were fitted using the Logistic and Gompertz models for comparison. Subsequently, a bivariate Gompertz model incorporating both time and medium concentration was developed.

Significant findings

The Gompertz model exhibited strong fitting performance under all tested conditions (

R_{a d j}^{2}

> 0.96). The novel bivariate model also demonstrated high predictive accuracy (

R_{a d j}^{2}

= 0.97), effectively capturing changes in cell density across varying conditions. The results revealed a trade-off between biomass yield and cultivation time, providing theoretical support and economic guidance for large-scale diatom cultivation.

硅藻是一种具有生态价值和经济价值的微藻，具有生产高价值生物分子的巨大潜力。为了提高栽培效率，研究不同营养浓度下的生长动力学具有重要的现实意义。方法以杉木Navicula lanceolata为研究对象，在4种培养基浓度（0.5f、2.5f、5f、10f）下进行500 mL批量培养。生长曲线拟合使用Logistic和Gompertz模型进行比较。随后，建立了包含时间和介质浓度的双变量Gompertz模型。显著发现：Gompertz模型在所有测试条件下均表现出较强的拟合性能（Radj2 > 0.96）。新的二元模型也显示出很高的预测精度（Radj2 = 0.97），有效地捕捉了不同条件下细胞密度的变化。研究结果揭示了生物量产量与栽培时间之间的权衡关系，为大规模硅藻栽培提供了理论支持和经济指导。

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引用次数: 0

Biochar-driven ternary hybrid of MoS2 and NiCo2O4 for high-sensitivity, non-invasive glucose sensing via salivary electroanalysis 生物炭驱动的MoS2和NiCo2O4三元杂化物用于唾液电分析的高灵敏度、无创葡萄糖传感

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-15 DOI: 10.1016/j.jtice.2025.106585

Jingwen Yin , Yue Wang , Tingting Ma

Background

Diabetes mellitus is a chronic metabolic disorder characterized by sustained hyperglycemia, currently affecting over 537 million individuals worldwide. As global prevalence continues to rise, the demand for accurate, real-time, and non-invasive glucose monitoring tools has become increasingly urgent.

Methods

A highly sensitive and non-invasive electrochemical glucose sensor was developed using a ternary hybrid composite of Shrimp Shell-Derived Carbon (SBC), MoS₂, and NiCo₂O₄ modified on a glassy carbon electrode (GCE). The composite integrates the high conductivity of SBC, the catalytic edge sites of MoS₂, and the redox activity of spinel NiCo₂O₄, enabling a synergistic interface for efficient glucose oxidation in alkaline media.

Significant Findings

The sensor exhibited a wide linear detection range across two intervals: from 0.3 μM to 0.212 mM and from 0.212 to 6.212 mM, with a low detection limit of 157 nM and a remarkably high sensitivity of 932.2 μA·mM⁻¹·cm⁻² in the lower concentration range. Excellent selectivity toward glucose over common interfering species, stable repeatability, and >91 % signal retention over 10 days were also achieved. Notably, real-time salivary glucose monitoring demonstrated a strong correlation with commercial glucometers, capturing postprandial dynamics and validating its non-invasive diagnostic potential. This work provides a robust strategy for constructing next-generation wearable glucose sensors via rational nanomaterial integration.

糖尿病是一种以持续高血糖为特征的慢性代谢紊乱，目前全球有超过5.37亿人受到影响。随着全球糖尿病患病率的持续上升，对准确、实时、无创血糖监测工具的需求变得越来越迫切。方法采用虾壳衍生碳（SBC）、MoS₂和NiCo₂O₄在玻碳电极（GCE）上修饰的三元杂化复合材料，制备了一种高灵敏度、无创的电化学葡萄糖传感器。该复合材料结合了SBC的高导电性、MoS 2的催化边缘位点和尖晶石NiCo₂O₄的氧化还原活性，在碱性介质中实现了高效葡萄糖氧化的协同界面。该传感器在0.3 μM ~ 0.212 mM和0.212 ~ 6.212 mM范围内具有较宽的线性检测范围，低检测限为157 nM，低浓度范围的灵敏度为932.2 μA·mM⁻¹·cm⁻²。对葡萄糖的选择性优于常见干扰物质，重复性稳定，10天内信号保留率达91%。值得注意的是，实时唾液葡萄糖监测显示与商用血糖仪有很强的相关性，捕捉餐后动态并验证其非侵入性诊断潜力。这项工作为通过合理的纳米材料集成构建下一代可穿戴葡萄糖传感器提供了一个强大的策略。

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引用次数: 0

Hollow MoS2 nanosphere-decorated halloysite nanotubes for enhanced water-based lubrication 空心二硫化钼纳米球装饰高岭土纳米管，增强水基润滑

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-10 DOI: 10.1016/j.jtice.2025.106566

Si-yu Ren , Xiang-li Wen , Zhi-lin Cheng

Background

Despite their superior mechanical properties(wear resistance, heat dissipation, etc.) and environmental friendliness, water-based lubricants have garnered significant attention. However, their low lubricity and weak load-bearing capacity limited their use in many industrial applications. Herein, the hollow nanosphere MoS₂ was successfully fabricated on the surface of HNTs by soft-template method, and the resulting hollow nanosphere-MoS₂/HNTs manifested a cauliflower-like stacked structure and preferable improvement ability of friction and wear resistance.

Methods

The structure and composition of HNS-MoS₂/HNTs were determined by a series of characterizations, such as X-ray diffraction(XRD), Fourier transform infrared(FTIR),Raman spectra,Energy dispersive X-ray spectroscopy(EDS),Scanning electron microscope(SEM) and Transmission electron microscope(TEM). The dispersibility of hollow nanosphere-MoS₂/HNTs in water was implemented by placing different days and water contact angles. Friction performance of hollow nanosphere-MoS₂/HNTs as nanoadditive was tested on an MMW-1 four-ball tester. Morphology and surface roughness of wear track were evaluated via 3D profilometry system and optical micrograph. Worn surface analysis was detected by X-ray Photoelectron Spectroscopy(XPS).

尽管水基润滑剂具有优异的机械性能（耐磨性、散热性等）和环境友好性，但它已经引起了人们的广泛关注。然而，它们的低润滑性和弱承载能力限制了它们在许多工业应用中的使用。采用软模板法在HNTs表面成功制备了空心纳米球MoS 2，得到的空心纳米球MoS 2 /HNTs具有花椰菜状的堆叠结构，具有较好的摩擦耐磨性能。方法采用x射线衍射（XRD）、傅里叶变换红外（FTIR）、拉曼光谱（Raman）、x射线能谱（EDS）、扫描电镜（SEM）和透射电镜（TEM）等一系列表征手段对HNS-MoS2/HNTs的结构和组成进行表征。通过放置不同的日接触角和水接触角，研究了空心纳米球mos2 /HNTs在水中的分散性。在MMW-1四球测试机上测试了空心纳米球- mos2 /HNTs作为纳米添加剂的摩擦性能。利用三维轮廓测量系统和光学显微照片对磨损轨迹的形貌和表面粗糙度进行了评价。用x射线光电子能谱（XPS）对磨损表面进行分析。

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引用次数: 0

Dynamic air retention in ZnO-integrated biomimetic microcilia arrays for marine antifouling applications 海洋防污应用中zno集成仿生微纤毛阵列的动态空气保留

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-19 DOI: 10.1016/j.jtice.2025.106590

Hongbo Sun , Wei Bing , Yetong Zhu , Hong Zhang

Background

Marine biofouling has persisted as a challenge for humanity since the inception of maritime activities and remains one of the critical obstacles in contemporary ocean exploitation. For membrane materials exposed to aquatic environments, it is essential to control biofouling while avoiding adverse impacts on the surrounding ecosystem.

Method

Inspired by the structure of lotus leaves and the visible reflection due to trapped air layer of Salvinia, we fabricated ZnO nanopillars on the surface of flexible microcilia arrays to achieve a superhydrophobic surface with micro-nano hierarchical structure. We employed ultra-depth three-dimensional microscope observation and simulated marine environment experiments to systematically evaluate the bubble adsorption effect and antifouling performance of the ZnO-integrated biomimetic microcilia arrays. The surface morphology of the materials was observed using scanning electron microscopy (SEM), while the physicochemical properties of the material surfaces were analyzed via energy dispersive spectrometer (EDS) and water contact angle measurements.

Significant findings

The ZnO-integrated microcilia array can generate visible reflection due to trapped air layer underwater, forming a gaseous plastron as physical antifouling barrier, which can retain exceptional bubble adsorption capacity even after multiple cycles. The gaseous plastron provides environmentally friendly antifouling strategies and can effectively resist the attachment of bacteria and algae under both static and simulated dynamic marine conditions.

自海洋活动开始以来，海洋生物污染一直是人类面临的挑战，也是当代海洋开发的关键障碍之一。对于暴露于水生环境中的膜材料，在控制生物污染的同时避免对周围生态系统造成不利影响至关重要。方法利用荷叶的结构和沙文草被困空气层所造成的可见反射，在柔性微纤毛阵列表面制备ZnO纳米柱，实现具有微纳层次结构的超疏水表面。采用超深度三维显微镜观察和模拟海洋环境实验，系统评价了zno集成仿生微纤毛阵列的气泡吸附效果和防污性能。利用扫描电子显微镜（SEM）观察了材料的表面形貌，并通过能谱仪（EDS）和水接触角测量分析了材料表面的物理化学性质。重要发现zno集成微纤毛阵列由于被困在水下的空气层而产生可见反射，形成一个气体板作为物理防污屏障，即使在多次循环后也能保持优异的气泡吸附能力。气体板提供了环保的防污策略，在静态和模拟动态海洋条件下都能有效抵抗细菌和藻类的附着。

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引用次数: 0

Synergistic tribo-electrochemical effects on galvanic corrosion behavior and mechanisms of Cu/Co coupling in chemical mechanical polishing 化学机械抛光中Cu/Co偶联对电偶腐蚀行为的协同摩擦-电化学效应及机理

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-18 DOI: 10.1016/j.jtice.2025.106592

Junnan Chen , Li Zhang , Yifan Cao , Chonggang Wu , Hongyu Cen , Zhenyu Chen

Background Higher demands for copper interconnects in integrated circuits make cobalt a promising barrier material. However, the galvanic corrosion between Cu and Co during chemical mechanical polishing (CMP) affects metal removal and device reliability, with its tribo-electrochemical behavior unresolved.

Methods Multiple interface analysis and characterization techniques and static-dynamic state electrochemical measurements were employed to investigate Cu/Co galvanic corrosion evolution during CMP, and total CMP removal rate was decomposed into four components with the quantitative relationships.

Significant Findings Static-state electrochemical impedance spectroscopy indicates that copper exhibits a higher impedance than cobalt. But during the CMP, the total removal rate of Cu reaches 153.94 nm/min, while that of Co is 67.85 nm/min, indicating more severe removal of copper. This discrepancy suggests a synergistic effect of the electrochemical-frictional field on galvanic corrosion and electrode planarization. The wear-induced de-passivation shifts the corrosion dynamics into a wear-dominated regime. In this state, the softer and less protective surface oxide on copper, combined with its higher susceptibility to mechanical abrasion, leads to its accelerated removal. In contrast, potential of cobalt shows significant positive shift at the onset of CMP and reduced the potential difference between Cu and Co to form a dynamic passivation film, protecting them from corrosion and material removal. This study offers valuable insights into the corrosion behavior of heterogeneous metal pairs under CMP conditions.

对集成电路中铜互连的更高要求使钴成为一种有前途的屏障材料。然而，化学机械抛光（CMP）过程中Cu和Co之间的电偶腐蚀影响了金属的去除和器件的可靠性，其摩擦电化学行为尚未得到解决。方法采用多界面分析表征技术和静动态电化学测量方法研究CMP过程中Cu/Co电偶腐蚀的演变过程，并将CMP总去除率分解为4个组分，并建立定量关系。静态电化学阻抗谱表明，铜的阻抗高于钴。但在CMP过程中，Cu的总去除率达到153.94 nm/min， Co的总去除率为67.85 nm/min，表明铜的去除率更强。这种差异表明电化学-摩擦场对电偶腐蚀和电极平坦化有协同作用。磨损引起的去钝化将腐蚀动力学转变为磨损主导的状态。在这种状态下，铜表面较软且保护性较弱的氧化物，加上其对机械磨损的敏感性较高，导致其加速去除。相比之下，钴的电位在CMP开始时表现出明显的正偏移，减小了Cu和Co之间的电位差，形成动态钝化膜，保护它们免受腐蚀和材料去除。本研究对非均相金属对在CMP条件下的腐蚀行为提供了有价值的见解。

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引用次数: 0

Synergistic engineering of CoMoP@C hierarchical porous nanostructures for superior alkaline overall water splitting CoMoP@C分级多孔纳米结构的协同工程研究

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-28 DOI: 10.1016/j.jtice.2025.106596

Sreekanth TVM , Yazan M. Allawi , Mohan Reddy Pallavolu , Samikannu Prabu

Background

The development of cost-effective and high-performance bifunctional electrocatalysts is essential for advancing alkaline water electrolysis technologies.

Methods

In this work, we present a poly-crystalline cobalt-molybdenum phosphate integrated within a conductive carbon matrix (CoMoP@C), synthesized through a simple and cost-effective co-precipitation process, followed by a phosphidation process. Structural analysis confirms the formation of Co₃Mo(PO₄)₂·4H₂O with Co and Mo homogeneously distributed within a sphere-like, porous nanostructure anchored on carbon. This architecture not only provides a large electrochemically active surface area (ECSA) but also facilitates efficient charge transport.

Findings

Electrochemical evaluation in 1.0 M KOH reveals outstanding bifunctional activity: CoMoP@C exhibits low overpotentials of 106 mV for the hydrogen evolution reaction (HER) and 195 mV for the oxygen evolution reaction (OER) at 10 mA cm⁻², along with favorable Tafel slopes and excellent operational durability. When assembled in a two-electrode configuration (CoMoP@C‖CoMoP@C), the system requires a cell voltage of only 1.594 V to operate overall water splitting, matching commercial benchmarks. The enhanced performance is attributed to the synergistic electronic interaction between Mo and Co, and the structural benefits of the phosphate-carbon hybrid, which together promote rapid kinetics and long-term stability. These findings establish CoMoP@C as a highly promising, earth-abundant bifunctional electrocatalyst for efficient water splitting in alkaline media.

开发高性价比、高性能的双功能电催化剂是推进碱水电解技术发展的必要条件。在这项工作中，我们提出了一种集成在导电碳基体内的多晶钴钼磷酸盐（CoMoP@C），通过简单且具有成本效益的共沉淀工艺合成，然后进行磷化工艺。结构分析证实了Co3Mo(PO4)2·4H2O的形成，Co和Mo均匀分布在锚定在碳上的球状多孔纳米结构中。这种结构不仅提供了一个大的电化学活性表面积（ECSA），而且促进了有效的电荷传输。发现：在1.0 M KOH条件下的电化学评价显示出突出的双功能活性：CoMoP@C在10 mA cm - 2条件下，析氢反应（HER）的过电位为106 mV，析氧反应（OER）的过电位为195 mV，具有良好的塔菲尔斜率和良好的操作耐久性。当组装在一个双电极配置（CoMoP@C‖CoMoP@C），该系统只需要1.594 V的电池电压运行整体水分解，符合商业基准。这种增强的性能归因于Mo和Co之间的协同电子相互作用，以及磷酸盐-碳杂化物的结构优势，它们共同促进了快速动力学和长期稳定性。这些发现表明CoMoP@C是一种非常有前途的、地球上丰富的双功能电催化剂，用于在碱性介质中有效地分解水。

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引用次数: 0

Bifunctional acidic carbon catalyst from dragon fruit peel for selective glucose conversion into 5-hydroxymethylfurfural 火龙果皮双功能酸性碳催化剂选择性葡萄糖转化为5-羟甲基糠醛

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers

Pub Date : 2026-05-01 Epub Date: 2025-12-10 DOI: 10.1016/j.jtice.2025.106568

Thinh An Tan Le , Vinh Thanh Chau Doan , Phuong Hoang Tran

Background

This study aims to develop a low-cost, eco-friendly carbon-based catalyst for the conversion of glucose into 5-hydroxymethylfurfural (HMF), a valuable biomass-derived platform chemical. The research addresses the need for efficient catalytic systems combining both Brønsted and Lewis acid functionalities.

Methods

Three novel bifunctional carbon catalysts (Al/C-SO₃HCl-Y) were synthesized from dragon fruit peel via a hydrothermal process, incorporating –SO₃H groups and then AlCl₃ to provide Brønsted and Lewis acid sites, respectively. The catalysts were characterized using FTIR, SEM-EDX elemental mapping, TGA, NH₃-TPD, Raman, and XRD analyses. Reaction parameters, including catalyst type, substrate type, solvent, catalyst loading, substrate concentration, temperature, and the role of Lewis acid sites, were systematically investigated. A leaching test and a scale-up experiment were also conducted to assess catalyst stability and practical applicability.

Significant findings

Optimal conditions for HMF production were achieved using 50 mg of Al/C-SO₃HCl-2 catalyst in dimethyl sulfoxide (DMSO) at 140 °C for 16 h, yielding 89% HMF. The catalyst demonstrated high efficiency, stability, and potential for scale-up. A catalytic mechanism was proposed based on experimental data, and the results compared favorably with previous studies, confirming the effectiveness of Al/C-SO₃HCl-2 as a sustainable catalyst.

本研究旨在开发一种低成本、环保的碳基催化剂，用于将葡萄糖转化为5-羟甲基糠醛（HMF），这是一种有价值的生物质衍生平台化学品。该研究解决了结合Brønsted和Lewis酸功能的高效催化系统的需求。方法以火龙果皮为原料，通过水热法合成了3种新型双功能碳催化剂Al/C-SO3HCl-Y，它们分别由-SO3H基团和AlCl₃构成Brønsted和Lewis酸位。采用FTIR、SEM-EDX元素图、TGA、NH3-TPD、Raman和XRD分析对催化剂进行了表征。系统地研究了反应参数，包括催化剂类型、底物类型、溶剂、催化剂负载、底物浓度、温度和Lewis酸位点的作用。并进行了浸出试验和放大试验，以评估催化剂的稳定性和实际适用性。在二甲亚砜（DMSO）中，使用50 mg Al/C- so3hcl -2催化剂，在140°C下反应16 h，获得了生产HMF的最佳条件，产量为89%。该催化剂具有较高的效率、稳定性和规模化应用潜力。根据实验数据提出了催化机理，并与前人的研究结果进行了比较，证实了Al/C-SO3HCl-2作为可持续催化剂的有效性。

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