Journal of Industrial and Engineering Chemistry最新文献_第5页

Mechanistic insights into KOH-driven improvements in supercapacitor charge storage and stability koh驱动的超级电容器电荷存储和稳定性改进的机理见解

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2026-01-29 DOI: 10.1016/j.jiec.2026.01.051

Ala Manohar , Thirukachhi Suvarna , Hari Bandi , Sambasivam Sangaraju , Adavala Venkatesulu , M. Sathish , V.N. Narasimha Murthy , Ki Hyeon Kim

{"title":"Mechanistic insights into KOH-driven improvements in supercapacitor charge storage and stability","authors":"Ala Manohar , Thirukachhi Suvarna , Hari Bandi , Sambasivam Sangaraju , Adavala Venkatesulu , M. Sathish , V.N. Narasimha Murthy , Ki Hyeon Kim","doi":"10.1016/j.jiec.2026.01.051","DOIUrl":"10.1016/j.jiec.2026.01.051","url":null,"abstract":"<div><div>Supercapacitors (SCs) have emerged as promising energy storage devices owing to their high power density (P<sub>d</sub>), fast charge–discharge characteristics, and long operational lifespan, making them attractive candidates for next-generation energy technologies. The electrochemical behavior of SCs is largely governed by the nature of both electrode materials and electrolytes. Among the various electrolytic systems investigated, potassium hydroxide (KOH) has gained widespread acceptance because of its superior ionic conductivity and strong compatibility with a broad range of electrode materials. This review provides a comprehensive assessment of the influence of KOH electrolytes on the electrochemical performance of diverse material systems, including metal oxides, metal-based composites, metal ferrites, graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>)–based metal hybrids, reduced graphene oxide (rGO) based composites, and sulfur-containing compounds. Emphasis is placed on elucidating the fundamental mechanisms through which KOH governs charge storage processes, modulates electrode electrolyte interfacial behavior, and enhances cycling durability, offering valuable perspectives for the rational design and performance optimization of advanced supercapacitor systems.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 329-361"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Research progress on lignin based supercapacitor electrode materials: preparation, properties, and challenges 木质素基超级电容器电极材料的研究进展：制备、性能及挑战

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-29 DOI: 10.1016/j.jiec.2025.08.036

Xiaoxiangyao Li, Wenxiang Piao

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Dynamic combustion characteristics of wood biomass particles with an integrated spiral heat-conducting ring: Enhanced hydrogen production by heat recirculation 集成螺旋导热环的木质生物质颗粒动态燃烧特性：通过热循环增强制氢

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-05 DOI: 10.1016/j.jiec.2025.07.061

Wei Xu, Huaming Dai

{"title":"Dynamic combustion characteristics of wood biomass particles with an integrated spiral heat-conducting ring: Enhanced hydrogen production by heat recirculation","authors":"Wei Xu, Huaming Dai","doi":"10.1016/j.jiec.2025.07.061","DOIUrl":"10.1016/j.jiec.2025.07.061","url":null,"abstract":"<div><div>Converting biomass into hydrogen provides a carbon–neutral route to meet energy demand and curb climate change. This paper proposed a novel reactor design that integrated wood particles with a spiral heat-conducting ring to enhance the conversion efficiency of biomass. The effects of wood species and spiral heat-conducting ring parameters were investigated on product concentration and combustion temperature under different operating conditions. The results showed that the increasing of air velocity improved the combustion temperature, and the maximum hydrogen was obtained at 6 cm/s. The syngas production tended to increase as the height of wood particles decreased. Meanwhile, the addition of a Ni spiral heat-conducting ring increased the hydrogen concentration to 11.4 %, indicating a maximum growth rate of 122.6 %. Moreover, when the ring wire diameter decreased, the hydrogen concentration rose first and then declined. And a longer ring height extended the reaction path and increased the syngas yield. The corresponding results provided valuable insights to optimize the reactor geometry and operating conditions.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 486-511"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Highly solubilized and skin-permeable finasteride formulation using HPCD-incorporated chitosan nanocapsules to promote hair regeneration 高溶解性和皮肤渗透性的非那雄胺配方，使用hpcd -壳聚糖纳米胶囊促进头发再生

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-06 DOI: 10.1016/j.jiec.2025.08.009

Jin Sil Lee , Su Bin Lee , Hyeryeon Oh , Panmo Son , Tae Eon Park , Sunghyun Kim , Jeung-Hoon Lee , Ki Su Kim , Won Il Choi

{"title":"Highly solubilized and skin-permeable finasteride formulation using HPCD-incorporated chitosan nanocapsules to promote hair regeneration","authors":"Jin Sil Lee , Su Bin Lee , Hyeryeon Oh , Panmo Son , Tae Eon Park , Sunghyun Kim , Jeung-Hoon Lee , Ki Su Kim , Won Il Choi","doi":"10.1016/j.jiec.2025.08.009","DOIUrl":"10.1016/j.jiec.2025.08.009","url":null,"abstract":"<div><div>Testosterone (TES) is converted to dihydrotestosterone (DHT), which can cause androgenic alopecia (AGA) because of an excessive reaction to TES. A 5-α reductase inhibitor is required to alleviate or manage AGA, inhibiting the conversion of TES to DHT. Finasteride (FINA) is a 5-α reductase inhibitor, FDA-approved for oral administration in alopecia treatment. Oral FINA administration causes systemic adverse effects; therefore, an alternative FINA delivery system is required. We aimed to develop a topical delivery formulation of FINA by incorporating HPCD-enhanced solubilization into chitosan nanocapsules (FINA@HCNCs), providing enhanced solubility, drug encapsulation, and skin permeability through intrinsic chitosan characteristics, all without penetration enhancer use. FINA@HCNCs demonstrated long-term stability (4 weeks) under physiological conditions and resuspensibility after lyophilization without the use of cryoprotectants. FINA from FINA@HCNCs exhibited sustained release, improving skin permeability compared to commercial products (Finjuve®). In vitro cell experiments revealed HCNC nontoxicity in three cell lines relevant to hair regeneration, and the proliferative effect of FINA@HCNCs improved. FINA@HCNCs induced superior anti-TES activity in dermal papilla cells. In vivo evaluation revealed that topical FINA@HCNCs significantly improved therapeutic efficacy compared to FINA, with FINA@HCNCs containing half the FINA dosage, but achieving comparable results. FINA@HCNCs are a novel topical skin-permeable FINA formulation for AGA treatment.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 606-618"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Electrochemical activation of persulfate for the degradation of 1,4-dioxane: single- and two-compartment systems 过硫酸盐降解1,4-二恶烷的电化学活化：单室和双室系统

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-07-29 DOI: 10.1016/j.jiec.2025.07.056

Hung-Hsiang Chen , Shan-Yi Shen , Yi-Chun Chen , Thi-Manh Nguyen , Yu-Chu Feng , Chang-Sheng Huang , Ku-Fan Chen

{"title":"Electrochemical activation of persulfate for the degradation of 1,4-dioxane: single- and two-compartment systems","authors":"Hung-Hsiang Chen , Shan-Yi Shen , Yi-Chun Chen , Thi-Manh Nguyen , Yu-Chu Feng , Chang-Sheng Huang , Ku-Fan Chen","doi":"10.1016/j.jiec.2025.07.056","DOIUrl":"10.1016/j.jiec.2025.07.056","url":null,"abstract":"<div><div>This study uses the electrochemical advanced oxidation process (EAOP) with persulfate to degrade 1,4-dioxane using platinum electrodes in a single- and two-compartment systems. For a two-compartment system, almost no persulfate is consumed in the anodic cell but 3.0 to 72.4 % of persulfate is decomposed at 0 to 10 V in the cathodic cell. 1,4-Dioxane removal is 90.3 % in an anode cell and 62.6 % in a cathode cell at 10 V. Persulfate is activated by a cathode but electrons released from a cathode decrease the ORP, which affects the degradation of 1,4-dioxane. Total removal is 88.0 % for the single-compartment system and 76.5 % for the two-compartment system. A two-compartment system demonstrates the roles of the anode and cathode in the degradation of the pollutant but if an EAOP is used to treat 1,4-dioxane, a single-compartment system is more practical and efficient. Hydroxyl radicals are present in the anode cell and sulfate and hydroxyl radicals are present in the cathode cell, which show that 1,4-dioxane is respectively removed via anodic oxidation and electrochemical persulfate activation. Energy consumption ranges from 1.28 to 16.11 kWh/m<sup>3</sup>. These findings confirm the mechanisms of electrochemical persulfate activation and demonstrate the potential of EAOP for wastewater treatment.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 456-467"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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A novel fast and thorough strategy for azo dye wastewater treatment using an “Fe-based material-sludge” combination system 采用“铁基材料-污泥”组合系统处理偶氮染料废水的一种快速彻底的新策略

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-09 DOI: 10.1016/j.jiec.2025.08.004

Yue Yang , Xiang Liu , Xue Bai, Zhenghao Fang, Ran Bi, Min Zhao, Daizong Cui

{"title":"A novel fast and thorough strategy for azo dye wastewater treatment using an “Fe-based material-sludge” combination system","authors":"Yue Yang , Xiang Liu , Xue Bai, Zhenghao Fang, Ran Bi, Min Zhao, Daizong Cui","doi":"10.1016/j.jiec.2025.08.004","DOIUrl":"10.1016/j.jiec.2025.08.004","url":null,"abstract":"<div><div>In this study, both nZVI and nZVI/Cu exhibited synergistic effects with anaerobic sludge on the treatment of dying wastewater. The decolorization rates in both systems were 17.04–21.97 % higher than that in the sludge alone system during the semi-continuous treatment process. The microbes could maintain their oxidation/antioxidation balance by increasing the activity of enzymes responsible for ROS elimination when nanomaterials were added. The microbial diversity analysis showed that the structure of the microbial community changed, and the dominant genuera were <em>Ethanoligenens</em> and <em>Caproiciproducens</em>. The addition of nanomaterials could help maintain the gas production efficiency of anaerobic sludge. During the last day of the treatment, 33.00 and 31.50 mL of gas could be collected from nZVI and nZVI/Cu addition system, respectively, while the gas production of “sludge alone” system had dropped to 8 mL/d. A ZVI-A/O MFC system was designed and built after optimization. During the continuous wastewater treatment process, the improved system could maintain the decolorization rate of dyes, the removal rates of COD and NH<sub>4</sub><sup>+</sup>-N above 95 %, 85 % and 86 % respectively, which were all significantly higher than those of in the traditional reactors. Moreover, the electrons generated in the MFC system were mainly used for CH<sub>4</sub> production.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 560-570"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Effects of water content and compositions in deep eutectic solvents on the green biosynthesis of silver nanoparticles and their activities 深共晶溶剂中含水量和组分对纳米银绿色生物合成及其活性的影响

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-06 DOI: 10.1016/j.jiec.2025.08.010

Jingyan Chen, Jihyeon Kim, Ke Li , Seulgi Kang, Boyeon Bae, Yua Kang, Wonsik Lee, Jeongmi Lee

{"title":"Effects of water content and compositions in deep eutectic solvents on the green biosynthesis of silver nanoparticles and their activities","authors":"Jingyan Chen, Jihyeon Kim, Ke Li , Seulgi Kang, Boyeon Bae, Yua Kang, Wonsik Lee, Jeongmi Lee","doi":"10.1016/j.jiec.2025.08.010","DOIUrl":"10.1016/j.jiec.2025.08.010","url":null,"abstract":"<div><div>Deep eutectic solvents (DESs) were evaluated for their role in enhancing green tea extract (GTE)-based biosynthesis of silver nanoparticles (Ag NPs). Four types of DESs with varying water contents (10–50 %) and hydrogen bond acceptor (HBA) mole fractions (0.17–0.83) were evaluated. While HBA composition had little effect on catechin and phenolic compound extraction, higher water content usually improved yields by reducing DES viscosity. Compared with water-based GTE, all DES-based GTEs produced Ag NPs with higher surface plasmon resonance intensities, smaller particle sizes, and narrower distributions. In GTEs derived from non-urea-based DESs, these enhancements were consistent regardless of the water content and HBA mole fraction, suggesting inherent beneficial effects of the DESs. However, urea-based DESs that contained ammonia as a byproduct during DES preparation, exhibited different characteristics: although the geometric sizes of the Ag NPs remained unchanged, increasing water content led to larger hydrodynamic sizes, indicating intensified surface modification of the Ag NPs. The surface modification correlated positively with antioxidant activity, negatively with catalytic activity, and exhibited no significant association with antibacterial activity. Overall, DESs generally enhance the GTE-based biosynthesis of Ag NPs without the need for precise condition optimizations. However, ammonia-generating DESs may require tailored conditions to balance synthesis and activities.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 619-627"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced hydrodesulfurization of heavy gas oil using in-situ synthesized NiMo/Al2O3 catalysts 原位合成NiMo/Al2O3催化剂强化重质气加氢脱硫

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-13 DOI: 10.1016/j.jiec.2025.08.016

Asmaa S. Morshedy , Muhammad A. Abo El-Khair , Dina Mohamed , Khalid I. Kabel , Nermen H Mohamed

{"title":"Enhanced hydrodesulfurization of heavy gas oil using in-situ synthesized NiMo/Al2O3 catalysts","authors":"Asmaa S. Morshedy , Muhammad A. Abo El-Khair , Dina Mohamed , Khalid I. Kabel , Nermen H Mohamed","doi":"10.1016/j.jiec.2025.08.016","DOIUrl":"10.1016/j.jiec.2025.08.016","url":null,"abstract":"<div><div>The hydrodesulfurization (HDS) of heavy gas oil was investigated using NiMo/Al<sub>2</sub>O<sub>3</sub> catalysts prepared via two different methods: (i) the conventional impregnation (loading) method, followed by calcination at 500 °C (NiMo-500L), and (ii) an in-situ synthesis approach, with calcination at 500 °C (NiMo-500I) and 700 °C (NiMo-700I). The physicochemical properties of the catalysts were characterized using XRD, BET, TEM, FT-IR, Raman, TGA, H<sub>2</sub>-TPR, NH<sub>3</sub>-TPD, and XPS techniques. Among the synthesized catalysts, NiMo-500I exhibited the highest HDS activity, achieving 98 % sulfur removal under optimal reaction conditions of 360 °C, LHSV of 1.5 h<sup>−1</sup>, and a pressure of 4.5 MPa. The superior catalytic performance of NiMo-500I is attributed to its enhanced textural and structural properties, which facilitated the dispersion of active species and improved accessibility of reactants to catalytic sites. A kinetic study of the HDS process revealed activation energy of 26.67 kJ mol<sup>−1</sup>, with a correlation coefficient (R<sup>2</sup>) of 0.930, indicating a moderate fit to the kinetic model. The NiMo-500I catalyst shows high stability over 70 h, maintaining approximately 90.8 % HDS efficiency and yielding about 90.3 % heavy gas oil (HGO). These results highlight the potential of in situ-prepared NiMo catalysts, particularly NiMo-500I, as efficient materials for deep desulfurization of heavy gas oil, paving the way for cleaner fuel production.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 672-682"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Sustainable Quercetin-based Porous Organic Polymer for Efficient Rhodamine B dye Removal and Phytotoxicity Assessment 槲皮素基多孔有机聚合物对罗丹明B染料的高效去除及植物毒性评价

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-12 DOI: 10.1016/j.jiec.2025.08.018

Swathi Thottathil , Yashoda Malgar Puttaiahgowda , Raja Selvaraj , Ramesh Vinayagam

{"title":"Sustainable Quercetin-based Porous Organic Polymer for Efficient Rhodamine B dye Removal and Phytotoxicity Assessment","authors":"Swathi Thottathil , Yashoda Malgar Puttaiahgowda , Raja Selvaraj , Ramesh Vinayagam","doi":"10.1016/j.jiec.2025.08.018","DOIUrl":"10.1016/j.jiec.2025.08.018","url":null,"abstract":"<div><div>Environmental sustainability has become a critical concern in the modern era, necessitating the development of innovative materials for effective water pollution remediation. The introduction of porous materials with high surface area, stability, and tailored properties has become an emerging era in this scenario. This study explores the synthesis of a quercetin-based novel porous organic polymer (QPOP) via Friedel-Crafts alkylation reaction for efficient Rhodamine B dye adsorption. Thus, synthesized QPOP exhibited a high surface area of 1172 m<sup>2</sup>/g with a pore volume of 1.024 cm<sup>3</sup>/g and unveiled an exceptional adsorption capacity of 499.52 mg/g for Rhodamine B dye removal. The adsorption process was fitted with the Freundlich isotherm, and the pseudo-second order kinetics model indicates a multilayer chemisorption nature of adsorption. The thermodynamics studies revealed that the adsorption process is spontaneous and endothermic. The mechanism of adsorption was explained by H-bonding, electrostatic and π-π interactions. Furthermore, recyclability studies were assessed for six consecutive cycles with excellent reusability up to 85 % efficiency. The phytotoxicity assessments using mung bean seeds confirmed low toxicity of the treated dye solution. This research contributes to the ongoing efforts to develop advanced materials for environmental remediation and aligns with the global need for clean water solutions.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 699-709"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Flexible multi-radiation shielding sponges based on pyridine-anchored boron nitride and bismuth halide composites 基于吡啶锚定氮化硼和卤化铋复合材料的柔性多重辐射屏蔽海绵

IF 5.9 3区工程技术

Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-08-05 DOI: 10.1016/j.jiec.2025.08.001

Hyeon-Kwang Kim , Seok-Gyu Kang , Dae-Seong Kwon , Beom-Gyeong Seo , Nazmul Hossain , Shanmugam Mahalingam , Junghwan Kim

{"title":"Flexible multi-radiation shielding sponges based on pyridine-anchored boron nitride and bismuth halide composites","authors":"Hyeon-Kwang Kim , Seok-Gyu Kang , Dae-Seong Kwon , Beom-Gyeong Seo , Nazmul Hossain , Shanmugam Mahalingam , Junghwan Kim","doi":"10.1016/j.jiec.2025.08.001","DOIUrl":"10.1016/j.jiec.2025.08.001","url":null,"abstract":"<div><div>The development of lightweight, flexible, and multifunctional shielding materials is crucial for mitigating the complex radiation environment in space, comprising high-energy X-rays, protons, and secondary neutrons. In this study, we present a porous composite consisting of polydimethylsiloxane (PDMS), pyridine-functionalized boron nitride nanosheets (Py-BNN), and bismuth iodide (BiI<sub>3</sub>) for enhanced multi-radiation shielding. Pyridine functionalization improves BNN dispersion in PDMS by enhancing interfacial compatibility, yielding a more uniform filler network. The porous architecture facilitates uniform BiI<sub>3</sub> adsorption throughout the matrix, thereby enhancing the attenuation of X-rays. Thermal analysis shows an elevated decomposition onset temperature of 504.3 °C for Py-BNN/PDMS, compared to 475.8 °C for BNN/PDMS and 445.7 °C for pure PDMS, indicating enhanced thermal stability from improved filler dispersion. Infrared thermography further confirms improved thermal conductivity. X-ray shielding results reveal the Py-BNN/PDMS/BiI<sub>3</sub> composite exhibits the highest linear attenuation coefficient (4.26 cm<sup>−1</sup>) and the lowest half-value layer (0.163 cm), outperforming BNN/PDMS/BiI<sub>3</sub> and PDMS/BiI<sub>3</sub>. Proton beam tests also show superior attenuation in Py-BNN/PDMS/BiI<sub>3</sub>, attributed to the uniform dispersion of Py-BNN in the PDMS porous structures. Overall, the proposed composite achieves lightweight structure, thermal robustness, and effective shielding against multiple radiation types, demonstrating strong potential for next-generation aerospace radiation protection.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 542-550"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0