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Enhanced geothermal systems: Potential, challenges, and a realistic path to integration in a sustainable energy future 增强型地热系统:潜力、挑战和可持续能源未来整合的现实路径
Next Energy Pub Date : 2025-06-11 DOI: 10.1016/j.nxener.2025.100332
Alberto Boretti
{"title":"Enhanced geothermal systems: Potential, challenges, and a realistic path to integration in a sustainable energy future","authors":"Alberto Boretti","doi":"10.1016/j.nxener.2025.100332","DOIUrl":"10.1016/j.nxener.2025.100332","url":null,"abstract":"<div><div>Enhanced Geothermal Systems (EGS) have emerged as a promising technology for harnessing the Earth's vast thermal energy resources, offering the potential for clean, baseload power generation. This narrative review examines the current state of EGS technology, addressing its fundamental principles, geological settings, drilling and stimulation techniques, and the critical issue of induced seismicity. We synthesize recent research and industry developments, highlighting advancements in drilling technologies, stimulation methods, and reservoir monitoring. The review also explores the potential for integrating EGS with other energy sources, including concentrated solar power (CSP), natural gas (as a transitional fuel), and hydrogen combustion, to create hybrid systems that enhance efficiency and dispatchability. The economic viability and growth potential of EGS are assessed, drawing on data from the National Renewable Energy Laboratory (NREL) Annual Technology Baseline (ATB) and recent power purchase agreements. Critically, this review moves beyond the often-unrealistic hype surrounding EGS, acknowledging its limitations and placing it within the broader context of global energy challenges, including climate change, resource extraction impacts, and geopolitical considerations. We argue that EGS is not a standalone solution to replace fossil fuels but can be a valuable component of a diversified and carefully planned energy transition, emphasizing the need for a just and equitable approach that prioritizes societal well-being and environmental sustainability.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100332"},"PeriodicalIF":0.0,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144262800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tandem solar cells with copper tin sulfide quantum dot sensitization: A SCAPS-1D approach 铜锡硫化量子点敏化串联太阳能电池:SCAPS-1D方法
Next Energy Pub Date : 2025-06-10 DOI: 10.1016/j.nxener.2025.100329
Maya Mathew
{"title":"Tandem solar cells with copper tin sulfide quantum dot sensitization: A SCAPS-1D approach","authors":"Maya Mathew","doi":"10.1016/j.nxener.2025.100329","DOIUrl":"10.1016/j.nxener.2025.100329","url":null,"abstract":"<div><div>Tandem solar cells are effective in overcoming thermalization and transmission losses in a solar cell. In this work, the tandem structure of copper tin sulfide (CTS) quantum dot sensitized solar cell has been simulated and then optimized using solar cell capacitance simulator software. A CTS sensitizer at 2 different bandgaps of 1.5 eV and 2.5 eV has been used for the tandem structure. Individual solar cells of structure ITO/TiO<sub>2</sub>/CTS/CuSbS<sub>2</sub>/Au, where CTS has bandgaps of 1.5 eV and 2.5 eV, yielded efficiencies of 17.86% and 18.14%, respectively. The tandem structure after optimization yielded a cell efficiency of 20.20%. The effect of layer defects in hole-transporting layer and sensitizer layers was investigated. The interface defects in the HTL/CTS, CTS(Eg-1.5 eV)/CTS(Eg-2.5 eV), and CTS/ETL interfaces were also investigated. Permissible levels of defect density are found to be 10<sup>14</sup> cm<sup>−2</sup> in all cases, provided the defect levels are shallow, allowing only Shockley-Read-Hall recombination. On increasing the number of sensitizer layers with bandgap lower than 1.5 eV and higher than 0.9 eV, the bulk bandgap, the cell efficiency can be further increased. Introduction of a third layer of CTS sensitizer with a bandgap of 1.2 eV further improved the cell efficiency by 2%.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100329"},"PeriodicalIF":0.0,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144243563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation of renewable energy source integration in a smart energy grid using MATLAB/Simulink 基于MATLAB/Simulink的智能电网中可再生能源集成仿真
Next Energy Pub Date : 2025-06-09 DOI: 10.1016/j.nxener.2025.100327
Edward Ofoegbu, Harsh Nitin Raichura
{"title":"Simulation of renewable energy source integration in a smart energy grid using MATLAB/Simulink","authors":"Edward Ofoegbu,&nbsp;Harsh Nitin Raichura","doi":"10.1016/j.nxener.2025.100327","DOIUrl":"10.1016/j.nxener.2025.100327","url":null,"abstract":"<div><div>The transformation of the power grid from traditional methods into smart grids for the generation, transmission, distribution, and utilization of electric energy reduces the dependency on fossil fuels, thus taking a step towards environmental sustainability. This research paper simulates a smart grid's behavior when integrated with a renewable energy source. The grid network topology of a power system was modeled and simulated in MATLAB/SIMULINK, where the model consisted of renewable energy resources (RER’s) having a series of solar panels, redundant power generating stations, a transmission infrastructure, and a power utilization section for 3-phase high voltage industrial load and low voltage domestic load, respectively. The results of the study showed that there is power loss and signal distortion in the output voltage when multiple generators are integrated. These harmonics can be easily filtered out when the integration is done between the generator and a renewable energy resource (RER) using properly designed Resistor-Inductor-capacitor filters and booster circuits. The results further demonstrated that when integration was accomplished between the generator and the RERs, a stable output voltage of 0.6e4<!--> <!-->V was obtained, given a generator capacity of 6600 V. The industrial and domestic load also showed minimal instability by maintaining an output of 1100/440<!--> <!-->V, respectively, before and after integration. The study also showed that RERs can be used to support the power supply to the grid to maintain its supply voltage and the overall stability of the system. However, RERs cannot withstand supplying a power grid on their own.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100327"},"PeriodicalIF":0.0,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144243562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advanced solid-state electrochemical energy storage: What is next? 先进固态电化学储能:下一步是什么?
Next Energy Pub Date : 2025-06-09 DOI: 10.1016/j.nxener.2024.100117
Alessandro Piovano , Hamideh Darjazi , Giuseppe A. Elia , Claudio Gerbaldi
{"title":"Advanced solid-state electrochemical energy storage: What is next?","authors":"Alessandro Piovano ,&nbsp;Hamideh Darjazi ,&nbsp;Giuseppe A. Elia ,&nbsp;Claudio Gerbaldi","doi":"10.1016/j.nxener.2024.100117","DOIUrl":"10.1016/j.nxener.2024.100117","url":null,"abstract":"","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100117"},"PeriodicalIF":0.0,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144243196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolving smart homes to exploring space, dye-sensitized solar cells (DSSC) as a sustainable energy model for the future world—A review 发展智能家居探索太空,染料敏化太阳能电池(DSSC)作为未来世界可持续能源模式综述
Next Energy Pub Date : 2025-06-09 DOI: 10.1016/j.nxener.2025.100328
S. Iswarya , A. Dharshini , B. Scholastica Mary Vithiya , T. Augustine Arul Prasad
{"title":"Evolving smart homes to exploring space, dye-sensitized solar cells (DSSC) as a sustainable energy model for the future world—A review","authors":"S. Iswarya ,&nbsp;A. Dharshini ,&nbsp;B. Scholastica Mary Vithiya ,&nbsp;T. Augustine Arul Prasad","doi":"10.1016/j.nxener.2025.100328","DOIUrl":"10.1016/j.nxener.2025.100328","url":null,"abstract":"<div><div>Dye-sensitized solar cells (DSSCs) have emerged as a promising third-generation photovoltaic technology offering a cost-effective, flexible, and sustainable alternative to conventional silicon-based solar cells. In this review, we provide a comprehensive analysis of DSSC applications by classifying them into indoor and outdoor categories. The objective is to evaluate how DSSCs transition from traditional low power uses to advanced, integrated applications. The review is structured around real-world implementation contexts, including indoor Internet of Things systems, wearable electronics, biosensors, building-integrated photovoltaics, agrivoltaics, underwater systems, and extraterrestrial settings. It further examines recent developments in hybrid DSSC-supercapacitor systems for addressing intermittency, and how artificial intelligence and machine learning are accelerating DSSC design and optimization. Unlike existing reviews, this work presents a forward-looking, system-level perspective by connecting terrestrial energy needs with off-planet energy strategies. Key insights suggest that DSSCs, owing to their adaptability to low and diffused light, mechanical flexibility, and semitransparency, are uniquely positioned for decentralized and smart energy architectures. By critically analyzing real-world feasibility, evaluating trade-offs, and proposing future research directions, this review aims to bridge current knowledge gaps and accelerate the practical adoption.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100328"},"PeriodicalIF":0.0,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144243561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrification of ammonia cracking for on-demand hydrogen production: CFD modeling 按需制氢的氨裂解电气化:CFD建模
Next Energy Pub Date : 2025-06-09 DOI: 10.1016/j.nxener.2025.100324
Hesam Maleki, Volfango Bertola
{"title":"Electrification of ammonia cracking for on-demand hydrogen production: CFD modeling","authors":"Hesam Maleki,&nbsp;Volfango Bertola","doi":"10.1016/j.nxener.2025.100324","DOIUrl":"10.1016/j.nxener.2025.100324","url":null,"abstract":"<div><div>This paper investigates the design, computational modeling, and thermal optimization of a compact macro-scale ammonia cracking reactor to enable efficient, scalable, and high-conversion hydrogen production through enhanced heat management and non-isothermal kinetic analysis. The non-isothermal behavior of ammonia decomposition in a parallel plates macro-scale reactor is investigated by means of computational fluid dyinamics simulations, focusing on the optimization of the heat distribution to enhance performance and maintain a compact design. This approach addresses industrial need for efficient, zero-carbon hydrogen production from ammonia, and provides practical and scalable design solutions for thermal management in high-throughput endothermic reactions. Kinetic parameters for the reactor were determined based on a commercial catalyst, and simulations were conducted to solve mass and energy balance equations and to model reacting flow properties, including species mole fractions and NH<sub>3</sub> conversion rates. A comprehensive heat transfer analysis was conducted to evaluate temperature gradients in both the heater and the reactor sections, aiming to minimize hot spots and improve internal heat distribution. Results show the optimized heating plates of the system can efficiently provide the required reaction heat, reducing temperature gradients across the system. Increasing the heater length enhanced surface contact and lowered the heat flux, minimizing the formation of hot spots. This optimized approach holds promise for enhancing the ammonia cracking reactor performance for high-throughput hydrogen generation.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Universal energy efficiency analysis models for integrated energy systems supporting multiple scenarios 支持多种场景的综合能源系统通用能效分析模型
Next Energy Pub Date : 2025-06-07 DOI: 10.1016/j.nxener.2025.100330
LILI YAO , LIANGWU XU , ZENGXU ZHAO
{"title":"Universal energy efficiency analysis models for integrated energy systems supporting multiple scenarios","authors":"LILI YAO ,&nbsp;LIANGWU XU ,&nbsp;ZENGXU ZHAO","doi":"10.1016/j.nxener.2025.100330","DOIUrl":"10.1016/j.nxener.2025.100330","url":null,"abstract":"<div><div>Integrated Energy Systems (IESs) present complex structures and diverse operational scenarios that require sophisticated Integrated Energy Management Systems (IEMSs). However, current IEMS are often faced with challenges such as difficulty in universal energy calculation, low adaptability of complex system models, and limited flexibility for multiple scenarios. Universal modeling addresses these challenges by reducing implementation costs, enhancing system flexibility, and promoting wider IEMS adoption. Energy efficiency analysis is the cornerstone of comprehensive IEMS evaluation. Universal modeling of energy efficiency analysis is essential for reducing construction costs and improving energy efficiency management. This study proposes multiple universal energy efficiency analysis models for energy production and consumption processes, leveraging a black-box modeling approach to capture the commonalities and individualities of various energy management objects. For Energy Production Units (EPUs), an energy efficiency analysis calculation model considering comprehensive correction and an energy efficiency evaluation model considering level indicator limits are introduced. Three models are introduced for Energy Consumption Units (ECUs): a usage statistical model considering allocation, exclusion, and sharing; an energy consumption per product model based on product conversion; and an energy performance evaluation model based on regression analysis. The proposed universal energy efficiency analysis models were successfully applied to multiple real-world engineering projects, and the results demonstrate their versatility and effectiveness. The proposed models significantly reduced IEMS construction costs, with an average reduction of 63% in labor costs.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100330"},"PeriodicalIF":0.0,"publicationDate":"2025-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144231503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modulating CoP nanowire arrays via ZnO-coating-boosted Ni doping for high-performance hybrid supercapacitors 高性能混合超级电容器用zno涂层增强镍掺杂调制CoP纳米线阵列
Next Energy Pub Date : 2025-06-06 DOI: 10.1016/j.nxener.2025.100326
Shuting Jia , Yangyang Luo , Yuanjie Yi, Huaming Qian, Zhengkui Li, Chunran Wang, Yuhui Xu, Gaini Zhang, Huijuan Yang, Guiqiang Cao, Jingjing Wang, Wenbin Li, Xifei Li
{"title":"Modulating CoP nanowire arrays via ZnO-coating-boosted Ni doping for high-performance hybrid supercapacitors","authors":"Shuting Jia ,&nbsp;Yangyang Luo ,&nbsp;Yuanjie Yi,&nbsp;Huaming Qian,&nbsp;Zhengkui Li,&nbsp;Chunran Wang,&nbsp;Yuhui Xu,&nbsp;Gaini Zhang,&nbsp;Huijuan Yang,&nbsp;Guiqiang Cao,&nbsp;Jingjing Wang,&nbsp;Wenbin Li,&nbsp;Xifei Li","doi":"10.1016/j.nxener.2025.100326","DOIUrl":"10.1016/j.nxener.2025.100326","url":null,"abstract":"<div><div>Slow reaction kinetics and large volume change limit the application of cobalt phosphide (CoP) in supercapacitors. Defect engineering and surface coating are regarded as two effective strategies for them. Herein, nickel (Ni) doped CoP (Ni-CoP) nanowire arrays are vertically grown on the surface of activated carbon cloth, followed by zinc oxide (ZnO) coating via an atomic layer deposition method. Ni doping can optimize electron redistribution of CoP to promote its electron transport and generate more active sites. Coated ZnO can not only inhibit the volume change of Ni-CoP during cyclic charge and discharge processes, but also provide additional pseudocapacitance. Benefiting from the synergistic effect of the Ni doping and ZnO coating, the optimal Ni-CoP@ZnO-6 demonstrates a high specific capacity of 877 C g<sup>−1</sup> at 1 A g<sup>−1</sup> and capacity retention of 83.3% at 15 A g<sup>−1</sup>. Compared with Ni-CoP, the Ni-CoP@ZnO-6 shows an increased cyclic stability of 15.29% after 10,000 cycles. The assembled hybrid supercapacitor combining Ni-CoP@ZnO-6 with activated carbon has an energy density of 25.7 Wh kg<sup>−1</sup> at 459.3 W kg<sup>−1</sup>, and 2 serially connected HSCs can power a light-emitting diode and timer. The work offers a novel strategy to promote the electrochemical performance of transition-metal compounds for supercapacitors.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100326"},"PeriodicalIF":0.0,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144221125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A benchmark comparative thermodynamic investigation of different organic Rankine cycle architectures 不同有机朗肯循环结构的热力学对比研究
Next Energy Pub Date : 2025-06-05 DOI: 10.1016/j.nxener.2025.100331
Evangelos Bellos
{"title":"A benchmark comparative thermodynamic investigation of different organic Rankine cycle architectures","authors":"Evangelos Bellos","doi":"10.1016/j.nxener.2025.100331","DOIUrl":"10.1016/j.nxener.2025.100331","url":null,"abstract":"<div><div>The Organic Rankine Cycle (ORC) is a promising thermodynamic cycle for exploiting low-grade energy sources such as solar and geothermal energy, as well as waste heat. Also, it is an important choice for decentralized electricity production, aiding the stability of the grid and enhancing the concept of smart grids. However, the thermodynamic efficiency of the ORC is not so competitive, and it can create restrictions on the energy and economic viability of this technology. In this direction, this examines 8 different ORC architectures aiming to determine the most efficient configuration energetically and exergetically, under different design conditions. Specifically, the basic ORC is compared with the recuperative, regenerative and reheating ORC, while also the combinations of regenerative-recuperative, regenerative-reheating, recuperative-reheating and regenerative-recuperative-reheating ORCs are investigated in detail. The isentropic efficiency of the expander is variable according to the operating conditions, something that leads to more realistic results and conclusions in this work. It was concluded that the regenerative ORC is a more effective choice compared to the recuperative and the reheating ORC, while the global best design is the regenerative-recuperative-reheating ORC. Also, it was concluded that regeneration and reheating do not present a highly synergetic effect. In the default comparative scenario with saturation temperature at 110 °C and condensation temperature at 40 °C, the thermal efficiency enhancement was found to be up to 32% and the exergy efficiency enhancement up to 17%. The conclusions of this analysis can be utilized for the design of the most efficient ORCs and, therefore, to make a step forward in the development of this technology.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100331"},"PeriodicalIF":0.0,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144221126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Al2O3 nano-particle on the performance and emission characteristics of millettia ferruginea (Berbera) biodiesel blend fuel on single cylinder compression ignition engine 纳米Al2O3颗粒对单缸压缩点火发动机上铁粟生物柴油混合燃料性能和排放特性的影响
Next Energy Pub Date : 2025-06-04 DOI: 10.1016/j.nxener.2025.100344
Yadelew Likina Alehegn, Dinku Seyoum Zeleke, Sintayehu Mekuria Hailegorgis, Yigzaw Likina Alehegn
{"title":"Effect of Al2O3 nano-particle on the performance and emission characteristics of millettia ferruginea (Berbera) biodiesel blend fuel on single cylinder compression ignition engine","authors":"Yadelew Likina Alehegn,&nbsp;Dinku Seyoum Zeleke,&nbsp;Sintayehu Mekuria Hailegorgis,&nbsp;Yigzaw Likina Alehegn","doi":"10.1016/j.nxener.2025.100344","DOIUrl":"10.1016/j.nxener.2025.100344","url":null,"abstract":"<div><div>This study investigate the performance and emission properties of biodiesel blends made from Millettia ferruginea with and without Al2O3 Nano-particles on a single-cylinder compression ignition engine. A study further demonstrated the physiochemical properties of the blended biodiesel like density, kinematic viscosity, pour point, cloud point, flash point, and fire point. The combustion performance of the B10, B20, and B30 blending ratios were investigated both with and without Al2O3 Nano-particles. Therefore, as compared to pure diesel, biodiesel blends, B10, B20, and B30 generally have lower brake power, with B30 having the largest decrease in brake power. However, the addition of 100-ppm Al2O3 Nano-particles raises the brake thermal efficiency to 35.2% and increases brake power by 17.9%. The addition of Al2O3 Nano-particles lowers the brake specific fuel consumption for the B30 blend from 18.9% to 4.1%. Exhaust gas temperatures (EGT) increased in tandem with an increase in the proportion of biodiesel. Nevertheless, the addition of 100 ppm of Al2O3 nanoparticles caused a 16.6% drop in B20's EGT. Based on the findings of the emissions test, CO2 emissions increase by 8.21% when using a B30 blend biodiesel without nanoparticles because of complete combustion, and by 11.9% and 16.3% when 50 ppm and 100 ppm of Al2O3 are added, respectively. Due to the complete combustion that was initiated by Nano-Particle Al2O3 100 ppm, CO and HC decreased by 28.35%. The NOx emissions increased as the amount of biodiesel blend without nanoparticles was increased. When 100 ppm of Al2O3 nanoparticles were added to the B30 biodiesel blend, however, NOx decreased by 6.4%. In general, the addition of Al2O3 Nano-particles to the biodiesel blend enhanced emission characteristics and combustion efficiency of the biodiesel significantly.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100344"},"PeriodicalIF":0.0,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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