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Earlier sources: Solar
This energy thread follows solar through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
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 ↗91 classified signals in the fourteen-day window. 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
Astronomical Self-Calibration of Fisheye Cameras for Photovoltaic Sun-Tracking Applications ↗
Vision-based photovoltaic (PV) tracking requires a calibrated mapping from fisheye pixels to physical solar directions, yet deployed cameras may lack calibration targets or a surveyed pose. This study asks whether timestamped sky images can recover a camera mapping that is internally consistent with a solar ephemeris, while explicitly accounting for localisation coverage and parameter uncertainty. A staged pipeline combines photometric solar-candidate detection, ephemeris-guided re-localisation, temporal and model-consistency gates, three monotonic fisheye projections, and six calibration solv…
- OpenAlex · Published · First archived
Energy Valley Optimization-Based Adaptive Fuzzy Logic Control for Grid-Connected Photovoltaic Systems: Simulation and Experimental Validation ↗
This paper presents a novel energy valley optimization algorithm (EVOA) to achieve maximum power point tracking (MPPT) and dynamic regulation of grid-connected photovoltaic (PV) systems under varying irradiance conditions. The proposed approach optimizes four Adaptive Fuzzy Logic Controllers (AFLCs) to enhance tracking accuracy, transient response, and disturbance rejection. The proposed strategy is evaluated against AFLC based on genetic algorithm (GA), AFLC based on Arithmetic Optimization Algorithm (AOA), and Marine Predator Algorithm-based proportional-integral (MPA-PI) control using the M…
- OpenAlex · Published · First archived
High-fidelity numerical modelling and sensitivity analysis of hail impact damage in photovoltaic modules ↗
As photovoltaic (PV) deployment continues to expand, modules are increasingly exposed to environmental hazards such as hailstorms, with direct implications for structural integrity and long-term performance. This study presents a high-fidelity finite-element framework for analysing hail impact on PV modules. A three-dimensional model is developed in ABAQUS, where both the hailstone and PV panel are treated as deformable bodies with nonlinear material behaviour and geometric nonlinearity. The hailstone is represented using a Smoothed Particle Hydrodynamics (SPH) formulation to capture large def…
- OpenAlex · Published · First archived
EFFICIENT RESIDENTIAL EV CHARGING USING PHOTOVOLTAIC ENERGY AND INTELLIGENT ENERGY SCHEDULING ↗
As EVs become increasingly popular, the need for charging infrastructure has surged, especially for its efficiency, cost-effectiveness, and eco-friendliness. The project, Adaptive Solar-Assisted Residential EV Charging System with Intelligent Energy Management and Vehicle-to-Home Support, focuses on maximizing energy use and minimizing reliance on traditional electric distribution systems. The designed system includes a PV generation system, home loads, EV batteries, bidirectional power converters, and an adaptive control system to ensure energy management reliability and economic viability. H…
- OpenAlex · Published · First archived
Wide-bandgap perovskite with homogeneous crystallization and suppressed halogen segregation for efficient perovskite-organic tandem solar cells ↗
The differences in crystallization and migration barriers of iodide and bromide within wide-bandgap perovskite result in inhomogeneous crystallization and halogen-phase segregation, limiting photovoltaic device performance. Here we report a sequential regulation engineering to synchronously homogenize crystallization and stabilize crystallographic phase by adding 2-iminothiolane (ITA). ITA priorly undergoes an in situ thiolation reaction with methylamine to yield a reductive 4-mercapto-N-methylformamidine (MMF). It effectively modulates perovskite crystallization toward homogenization, scaveng…
- OpenAlex · Published · First archived
Comparative technoeconomic assessment of concentrated solar power plants across potential locations in Saudi Arabia ↗
Concentrated solar power (CSP) technologies offer strong potential to support energy diversification in regions with extensive solar resources, as they provide dispatchable renewable energy when integrated with thermal energy storage (TES). Saudi Arabia, located within the solar belt, benefits from high direct normal irradiance (DNI) and favorable conditions for large-scale CSP deployment, aligning with its Vision 2030 objectives to integrate renewable energy systems. This study advances CSP research by delivering a comparative location-sensitive technoeconomic assessment across four high-DNI…
- OpenAlex · Published · First archived
Diaminopropane dihydroiodide passivation enables semitransparent perovskite modules for large-area four-terminal tandem solar cells ↗
Scaling inverted perovskite solar cells from efficient small-area devices to semitransparent modules remains challenging, particularly for mid-bandgap absorbers used in tandem photovoltaics. Here, we investigate 1,3-diaminopropane dihydroiodide (PDADI) as an interfacial passivator for 1.61 eV tri-cation perovskites solar cells and further evaluate its applicability to semitransparent module scaling. PDADI treatment improves the perovskite film morphology, reduces the trap density, prolongs the carrier lifetime and optimizes the perovskite/PC61BM interfacial energy alignment, thereby suppressin…
- OpenAlex · Published · First archived
Environmental and Economic Assessment of a Chemically Recyclable Multifunctional CFs-Reinforced Epoxy Laminate with Integrated Photovoltaic Cell ↗
This study evaluates the environmental and economic implications of manufacturing and chemically recycling a multifunctional carbon fiber (CF) epoxy laminate with an integrated crystalline-silicon photovoltaic (PV) cell. Primary material, energy, and waste data were collected during laboratory-scale manufacture and selective acid-mediated disassembly. A preliminary contribution analysis identified the photovoltaic cell and CF fabric as the dominant manufacturing hotspots, jointly accounting for approximately 85% of both climate change and fossil resource impacts. These findings guided a compar…
- OpenAlex · Published · First archived
Keeping Chloride in Its Place for Efficient Perovskite Solar Cells ↗
ABSTRACT The efficiency and stability of perovskite solar cells remain constrained by the redistribution of mobile halide ions during film formation and operation. In the highlighted work, potassium binoxalate releases K + during annealing to associate with mobile Cl − and promote stable KCl formation, thereby suppressing interfacial chloride accumulation and producing a homogenized vertical chlorine distribution (HVCD). The resulting spatially uniform absorber exhibits reduced trap densities, improved energy‐level alignment, more efficient charge extraction, a certified steady‐state power con…
- OpenAlex · Published · First archived
Synergistic Heat and Illumination Management in Phase Change Material Assisted Spectral-Splitting Photovoltaic/Thermal Collector Design ↗
Concentrated photovoltaic/thermal (CPV/T) systems remain limited by incomplete spectral control and inadequate thermal decoupling between the photovoltaic cell and the thermal absorber, while most existing models do not fully resolve phase change material (PCM) optical transitions or compare receiver designs under consistent conditions. To address these gaps, this study develops and validates a three-dimensional transient multiphysics CFD model of a CPV/T receiver incorporating a hybrid spectral filter composed of a selective liquid filter (water or propylene glycol) and a PCM layer (RT25 or S…
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How to assess evidence about Solar
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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