Energy storage and saving technologies: a review on SDEWES 2023 special issue
March 2026
The 18th Conference on Sustainable Energy, Water and Environmental Systems (SDEWES) served as a global meeting point for scientists, engineers, and decision-makers to exchange ideas on integrated resource...
Battery sizing and performance evaluation of battery electric vehicles
March 2026
The adoption of electric vehicles (EVs) is a promising solution to reduce air pollution. Batteries serve as the primary energy storage system (ESS) in EVs, and their sizing significantly affects their...
Exhaust heat utilization of a household generator engine for refrigeration purposes: case study
March 2026
The exhaust gas heat of an internal combustion engine (ICE) can potentially yield the cooling effect of a diffusion absorption refrigerator (DAR). One of the electricity generators in rural areas is...
Advanced optimization strategies for resilient and cost-efficient hydrogen-based AC/DC microgrids with integrated RES and BESS
March 2026
Currently, renewable energy sources (RESs) are crucial for advancing sustainable and resilient energy systems owing to their integration into alternating current and direct current microgrids. However,...
Smart grid cybersecurity: anomaly detection in solar power systems using deep learning
March 2026
This study explores the application of deep learning techniques, specifically long short-term memory (LSTM) networks, to detect anomalies in solar power production within a smart grid framework. Given...
Monetization of life-cycle based environmental impacts: a case study on external environmental costs of steel-based wear parts for biogas plants
March 2026
This study investigates the external environmental costs (EEC) of steel-based wear-parts used in biogas plants by monetizing the life-cycle-based environmental impacts caused throughout the entire life...
Improvement in energy conservation and thermal stability of a refrigerator through integration of phase change materials: a CFD analysis
March 2026
Reducing the energy consumption of domestic refrigeration appliances has been a key research focus over the past decade. This study presents an innovative approach that integrates phase change materials...
Impact of OMEx e-fuels for CO2 emissions abatement in light-duty commercial vehicles
March 2026
E-fuels, such as oxymethylene dimethyl ethers (OMEx), represent a promising alternative to conventional fuels to reduce engine emissions and extend their durability. They are highly oxygenated fuels...
A Novel Dual-Objective Metric for Temperature and Spatial Uniformity in Photovoltaic/Thermal Systems
Available online 26 March 2026
In photovoltaic/thermal (PV/T) systems, the reduction in average temperature and improvement in spatial temperature uniformity are widely acknowledged as two critical objectives that necessitate simultaneous...
Advancements in polymer-based phase change materials for thermal energy storage: a systematic review
Available online 24 March 2026
Phase change materials (PCMs) are recognized for their ability to absorb and release substantial latent heat, making them essential for enhancing energy storage density and thermal regulation. Polymeric...
Cutting-edge advancements in phase change materials for thermal energy storage: innovations and applications
Available online 27 February 2026
•PCM classifications and key criteria for selecting suitable PCM materials.•Thermal, physical, and chemical factors in PCM material selection.•Explores enhancement methods to address PCM issues like...
Integration of gravity energy storage and deep learning for optimal vehicle-to-grid (V2G) systems in residential microgrids
Available online 25 February 2026
The vehicle-to-grid (V2G) concept is a key element in the successful transition to smart grids and smart cities. The optimal integration and operation of V2G is challenging owing to the fluctuating...
Optimizing passive cooling systems for PV/PCM performance: a study on fin geometry and phase change material variations in extreme climates
Available online 24 February 2026
•Passive design achieves 13.71% electrical efficiency without active components.•Geometric optimization surpasses active systems in performance efficiency.•Thermal performance enhanced by PCM type and...
Impacts of Collector Geometry on Performance of Solar Air Heater System under Forced and Natural Air Circulation Processes
Available online 24 February 2026
This experimental study investigated the thermal performance of three distinct external collector geometries of a single-pass solar air heater under both natural and forced air circulation processes...
Experimental comparison on flat, wavy and louvered fins of vertical-finned microchannel heat exchangers
Available online 13 February 2026
The drainage challenges of conventional microchannel heat exchangers under wet and frosting conditions severely limit their application in air-source heat pumps. This study introduces a vertical-finned...
Optimal energy storage capacity configuration for PV-energy storage charging stations driven by PV-charging dual variables
Available online 13 February 2026
•Proposes TFA-DPC clustering to divide PV scenarios, reducing uncertainty interference;•Designs MHPIS model for EV charging demand, enabling multi-variable sampling;•Optimizes storage capacity via EBKA,...
A numerical investigation on using hydrogen as a fuel additive to a spark-ignition engine fueled by a gasoline-methanol blend
Available online 3 February 2026
•Using methanol in gasoline engines increased fuel consumption significantly•Adding hydrogen to gasoline-methanol blends greatly reduced fuel consumption•Using methanol and hydrogen caused a slight...
Enhancing energy saving and carbon footprint reduction using PCM-based heat exchanger: a COMSOL simulation approach
Available online 3 February 2026
•Detailed study, previous work, future possibility of a heat exchanger to fulfill energy demand.•Modeling and study of novel geometry of heat exchanger using COMSOL Multiphysics•Energy storage analysis...
Thermodynamic modeling of non-equiatomic TiVNbCrAl-based lightweight refractory high-entropy alloys (LWRHEAs) for hydrogen storage applications
Available online 22 January 2026
•Alloys of non-equiatomic Ti-V-Nb-Cr-Al systems for hydrogen absorption storage were designed theoretically via HEAPS, CALPHAD, and PCT code.•Both the VEC and δr parameters rises with the Nb/Cr/Al content,...
Engineering-Oriented Framework for Efficient Sensible Heat Storage Material Screening in Packed-Bed TES Systems
Available online 20 January 2026
Packed-bed thermal energy storage (TES) offers a promising solution for large-scale, high-temperature sensible-heat applications. However, the pre-selection of storage materials remains a persistent...
Advances and challenges in porous electrodes of proton exchange membrane fuel cells with enhanced mass transport performance: from ordered structures to integrated structures
Available online 15 January 2026
An ultrahigh power density requires proton exchange membrane fuel cells (PEMFCs) to operate stably with a high output voltage at an elevated current density, which enhances the mass transport efficiency...
Self-learning low-pass filter for energy management of hybrid energy storage electric vehicles
Available online 13 January 2026
•A Self-Learning Low-Pass Filter (SL-LPF) EMS is proposed to improve power allocation in HESS electric vehicles.•The SL-LPF addresses key limitations of conventional LPF-based EMS, including phase shift,...
Bibliometric analysis of research progress in coal catalytic pyrolysis from 1973–2024: a review
Available online 12 January 2026
To meet this increasing energy demand, many countries are implementing strategies to utilize various energy sources. Increasing the installed energy capacity is an important part of reducing CO₂ emissions....
Techno-economic evaluation of hydrogen production technologies for iron ore reduction
Available online 12 January 2026
The global iron and steel industry, dominated by coal-dependent blast furnace technologies, contributes 7% of global CO2 emissions. This poses a greater challenge for countries such as Uganda, which...
Corrosion behavior and inhibition methods of Fe-Cr-Ni alloys in MgCl2-KCl thermal energy storage cycles with solid-liquid phase transition
December 2025
Binary chloride salts, specifically MgCl2-KCl, are viable high-temperature phase-change materials for thermal energy storage, enabling repeated melting and solidification cycles for heat storage and...