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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 ↗727 classified signals in the fourteen-day window. Recent momentum: rising. 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
Estrogen Receptor Beta Isoforms Interplay Integrates Nuclear and Extra‐Nuclear Signaling to Modulate Human Granulosa Cell Growth ↗
Estradiol (E2) regulates ovarian follicular development and granulosa cell (GC) function primarily through estrogen receptor β (ERβ). Human GCs express several ERβ isoforms, including ERβ1, ERβ2, ERβ4, and ERβ5, but how their relative abundance modulates estrogen signaling remains unclear. Here, we investigated the contribution of nuclear and extra-nuclear ERβ signaling to human GC growth and function. HGrC1 granulosa cells lacking endogenous estrogen receptors were engineered to stably express individual or combined ERβ isoforms. Functional analyses showed that ERβ1 and ERβ4 inhibited GC prol…
- OpenAlex · Published · First archived
Twin perturbation parameter based flexible power point tracking technique for grid-connected PV systems ↗
Abstract Photovoltaic (PV) systems are fundamentally designed in two main configurations: standalone and grid-tied architectures. Although Maximum Power Point Tracking (MPPT) is commonly implemented to optimize energy extraction from photovoltaic systems, it may jeopardize grid stability in the event of voltage or frequency fluctuations by compelling maximum power injection. To tackle this challenge, Flexible Power Point Tracking (FPPT) has surfaced as a viable solution that improves grid stability in grid-connected PV systems. This research introduces an efficient FPPT algorithm that is optim…
- OpenAlex · Published · First archived
Seasonal reliability of a PV-biogas-battery system for rural Morocco: A simulation-based study of digestate valorization and circular bioeconomy benefits ↗
Rural agricultural households in semi-arid Morocco face persistent energy insecurity due to seasonal solar variability and dependence on subsidised butane. This simulation-based study evaluates a standalone photovoltaic–biogas–battery system (2.5 kW PV, 250 Ah battery, 2600 W biogas generator) for a 10-person household in Demnate, Morocco, using 100 kg/day of mixed organic feedstock. Five representative scenarios were simulated using PVGIS-SARAH3 hourly climate profiles, with biogas availability modelled through temperature-sensitive Arrhenius kinetics, hierarchical energy management, and sola…
- OpenAlex · Published · First archived
Life cycle carbon, energy, and water impacts of isobutanol and sustainable aviation fuel from pea starch ↗
The rapid expansion of plant-based food markets has increased the importance of pea protein production in the food industry, while generating large quantities of pea starch as a low-value co-product. Pea starch is currently used in applications such as animal feed, but these outlets may be insufficient to absorb increasing co-product volumes. Improving pea processing systems requires identifying higher-value and lower-impact applications for this starch, and converting it into isobutanol (IBA) and sustainable aviation fuel (SAF) offers such an outlet while serving aviation, a sector expected t…
- OpenAlex · Published · First archived
Fast, safe and low energy consumption charging for lithium-ion batteries via dynamic safety boundaries and adaptive SOC control ↗
The widespread adoption of electric vehicles necessitates lithium-ion batteries capable of fast charging, yet this process inherently faces the risk of heat generation and lithium plating. Considering the common fast charging scenarios around room temperature and practical implementation feasibility, this study introduces an offline multi-stage charging optimization framework. This framework is based on an enhanced electrochemical-thermal coupling model, and the solid-phase diffusion coefficient for both electrodes varies with state of charge (SOC). Leveraging the high rates adaptability and p…
- OpenAlex · Published · First archived
Numerical and experimental investigation of a solar pump operated by photovoltaic modules ↗
Abstract Background Traditionally, irrigation in agricultural fields relies on diesel-powered pumps, which are not only environmentally harmful but also impose a significant financial burden on farmers due to rising fuel costs. These elevated operational expenses often reduce profit margins, particularly for small-scale cultivators. To address these economic and ecological challenges, this study investigates the integration of a 5-kW photovoltaic-powered water pumping system as a sustainable alternative to diesel-based irrigation. Both numerical simulations and experimental validation were con…
- OpenAlex · Published · First archived
Angle-robust photovoltaics via Mie resonance hybridization for stable power output in perovskite solar cells ↗
Perovskite solar cells (PSCs) have attracted intensive research interest as a promising candidate for next-generation photovoltaic technologies, offering high power conversion efficiency ( PCE ) and low manufacturing cost. However, the practical energy yield of conventional planar PSCs is severely compromised by optical losses under varying solar incidence angles, leading to significant power fluctuations that undermine their viability for renewable energy generation. Solar tracking systems can mitigate this issue, but their high cost, mechanical complexity, and poor long-term reliability limi…
- OpenAlex · Published · First archived
Experimental investigation and theoretical modeling of gas expansion energy during coal and gas outburst based on multi-source emission ↗
Coal and gas outbursts are severe dynamic disasters in underground mining, primarily driven by gas expansion energy. However, accurately quantifying this energy remains challenging due to the complex, instantaneous, and multi-source nature of gas emissions. This study proposes a novel theoretical model to evaluate gas expansion energy by decoupling the participating gas into three sources: free gas in the outburst coal, rapidly desorbed gas from pulverized coal, and gas effused from the outburst cavity wall. An equivalent gas desorption particle size model was derived by integrating fractal si…
- OpenAlex · Published · First archived
Surface and interface engineering of SnO2-based electron transport layers for high-performance and flexible perovskite solar cells ↗
Perovskite solar cells (PSCs) have emerged as a leading photovoltaic (PV) technology, achieving rapid progress in power conversion efficiency (PCE) and promising prospects for scalable, flexible applications. Within these devices, the electron transport layer (ETL) plays a decisive role in regulating charge extraction, interfacial recombination, and operational stability. Tin dioxide (SnO 2 ) has been widely adopted as an ETL owing to its low-temperature (LT) processability, suitable energy-level alignment, and favorable electronic properties, making it a strong alternative to conventional tit…
- OpenAlex · Published · First archived
Causality-aware many-objective intra-day dispatch for wind-PV-thermal-storage complementary power systems ↗
Intraday dispatch of wind-PV-thermal-storage complementary power systems is challenged by volatile renewable generation, strong inter-temporal state coupling, narrow and evolving feasible regions, and conflicting economic, low-carbon, renewable-accommodation, and operational-security objectives. In such systems, variable renewable generation, controllable thermal units, energy storage, flexible demand, and external power exchange provide complementary regulation capabilities over the intraday horizon. Existing scheduling and constrained evolutionary optimization methods usually improve local r…
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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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