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Earlier sources: Energy
Energy research and engineering concern how power is produced, stored, delivered, and consumed. Follow solar and nuclear power, fusion, geothermal systems, batteries, electricity grids, and changing power demand.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗695 classified signals in the fourteen-day window. Recent momentum: steady. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Combustion behavior of various biomass wastes pellet fuel: Thermogravimetric analysis and ash fusion characteristics ↗
This study compared rapeseed straw (RS), flower waste (FW), and tobacco straw (TS) in terms of fuel properties, combustion behavior, kinetics, and ash fusion characteristics. Proximate and ultimate analyses, scanning electron microscopy (SEM), thermogravimetric analysis (TGA), X-ray diffraction (XRD), ash fusion tests, and kinetic modeling were conducted to evaluate their energy utilization potential. FW exhibited the highest carbon content and heating value, indicating superior energy density. SEM observations revealed distinct microstructures that influenced oxygen diffusion and combustion b…
- OpenAlex · Published · First archived
Evolutionary Bi-Level Multi-Objective Optimization for Community Energy Management Systems: A Comprehensive Review ↗
Energy Management Systems (EMS) play a pivotal role in the pursuit of energy efficiency in energy communities. Along with the emergence of the Internet of Things (IoT) and the smart grid, these tools have empowered residents as stakeholder entities and enabled their cooperation with higher levels of the energy hierarchy through Demand Response initiatives. This increasing impact of an entity’s decisions at one level of the hierarchy on the achievement of another entity’s objectives at a different level, complicates the optimization of EMS and paves the way for Stackelberg bi-level optimization…
- OpenAlex · Published · First archived
Amplified fossil dependence and environmental burden during temperature extremes amid the low-carbon energy transition ↗
Climate change, driven largely by fossil fuel combustion, is making temperature extremes more frequent and more severe 1 , 2 . Cooling and heating are among the most immediate ways societies adapt to those extremes 3 , 4 , 5 , yet the resulting surge in electricity demand can raise CO₂ and air pollutant emissions and the associated health burdens 6 , 7 , 8 , feeding back into the warming that made the extremes more likely 3 , 9 . The challenge is that this adaptation is now taking place inside power systems that are simultaneously decarbonizing. Wind and solar capacity is expanding rapidly 10…
- OpenAlex · Published · First archived
Comparative Study of Hydrogen Yield from Organic-Rich Lithologies: Implications for Sustainable Energy ↗
Abstract The growing global demand for clean and sustainable energy has increased interest in hydrogen as an alternative fuel that is both affordable and widely accessible. While substantial research has focused on hydrogen generation through serpentinization, the potential of organic-rich systems remains largely unexplored. Addressing this gap requires systematic analysis of various organic-rich materials such as shale, carbonate rocks, and coal to evaluate their capacity to release hydrogen gas under different geological conditions. Such investigations could significantly advance our underst…
- OpenAlex · Published · First archived
Instability-Aware Digital Twin Control for Grid-Constrained Low-Carbon Smart Ports ↗
Modern smart ports combine terminal electrification, shore power, renewable generation, storage, and digital operational control under uncertain vessel traffic and time-varying grid limits. This study develops a simulation-based digital-twin control prototype that synchronizes vessel flow, berth occupancy, equipment activity, shore-power demand, renewable supply, battery state, grid import, and modelled emissions. A policy-weighted Instability Propagation Index (IPI) classifies lower-stress, critical-transition, and instability-dominated operating regimes and is embedded in an NSGA-II rolling-…
- OpenAlex · Published · First archived
Design hybrid renewable energy systems for electric vehicle charging stations at various sites in Pakistan ↗
The number of EVs is increasing rapidly globally, and that means the need for more sustainable and economical charging. A continuous supply of clean energy is required for the Highway EV charging stations that are crucial for intercity mobility functions. One of the possible solutions is a hybrid renewable energy system technology, which has wind and solar photovoltaic (PV) energy. Most of the previous studies, though, are based on limited grid support and/or renewables penetration and system integration, limiting both sustainability and cost performance for high-demand applications. The autho…
- OpenAlex · Published · First archived
Energy demand and indoor air quality in low-energy apartment buildings: A simulation-based comparison of ventilation systems ↗
Energy-efficient buildings require efficient ventilation to achieve low-energy demand while maintaining good indoor air quality (IAQ) and comfort. This study analyses the impact of different ventilation systems (i.e., automated window ventilation, extract air system and mechanical ventilation with heat and enthalpy recovery) on heating and electricity demand, IAQ and thermal comfort. Multi-zone dynamic simulations are conducted and benchmarked against monitoring data from similar flats in Innsbruck for the mechanical ventilation with heat recovery case. Both constant and CO 2 -controlled airfl…
- OpenAlex · Published · First archived
Energy- exergy-economics-life cycle environmental impact coupling evaluation of coal tar residue supercritical water gasification for hydrogen and electricity co-generation system ↗
In response to the pollution control and resource utilization challenges of coal tar residue (CTR) as a hazardous waste, this paper constructs a combined system of supercritical water gasification (SCWG) for hydrogen production and electricity generation. A coupled evaluation of “energy-exergy-economics-life cycle environmental impact” was conducted using life cycle assessment (LCA) and techno-economic analysis (TEA), systematically investigating the resource consumption, environmental impacts, and economic feasibility of the integrated system throughout its entire life cycle. The results indi…
- OpenAlex · Published · First archived
Quinoxaline derivatives modification of nickel oxide interfaces for scalable perovskite solar cells ↗
Interfacial recombination at the NiO x /perovskite interface remains a key limitation to the efficiency and scalability of perovskite solar cells (PSCs), especially under ambient-air fabrication conditions. In this study, we introduce quinoxaline-based bifunctional organic molecules containing a dicarboxylic acid functional group (Qu-COOH) or a dicyano functional group (Qu-CN) as an interfacial modifier to passivate surface defects and tune the energy alignment between NiO x and perovskite. Compared to Qu-CN, Qu-COOH-modified NiO x exhibited improved Ni 3+ /Ni 2+ ratios and deeper work functio…
- OpenAlex · Published · First archived
MLP-based cascaded optimization of a novel combined power and steam system for collaborative recovery of waste heat and pressure energy from fuel cells ↗
As a zero-carbon carrier with high energy density, the efficient utilization of hydrogen is a key pathway for achieving deep industrial decarbonization. This urgently requires the synergistic conversion of chemical and thermal energy within a multi-energy complementary framework. This study proposes a novel combined power and steam system that couples a PEMFC with a flash heat pump. The system utilizes the pressure energy from the cathode exhaust to drive a turbine for auxiliary power generation and recovers the waste heat from both the anode and cathode exhausts to preheat the reactant gases.…
Live window recorded . This is the ingestion observation time, not the publication or discovery date of each source.
How to assess evidence about Energy
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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