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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 ↗701 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
Flexible and Transparent Ga 2 O 3 /NiO Photovoltaic Diode for Full‐Wave Rectification in Wearable Optoelectronics ↗
ABSTRACT Flexible and transparent electronic components are critical for next‐generation wearable optoelectronic devices, which require lightweight, flexible, and optically transparent power solutions. Wearable systems, including smart textiles, flexible displays, and bioelectronics, commonly operate using direct current (DC). While transparent photovoltaics can directly generate DC power under illumination, triboelectric and piezoelectric nanogenerators produce alternating current (AC), requiring efficient AC‐to‐DC conversion for practical use. However, conventional silicon‐based rectifiers a…
- OpenAlex · Published · First archived
Linkage Engineering Boosts Battery Performance of Two‐Electron Phenothiazine‐Based Polyamide Cathodes ↗
ABSTRACT Organic cathode materials based on redox‐active p‐type phenothiazine have attracted considerable interest for lithium‐organic batteries (LOBs) due to their high operating voltage and tunable chemical structures. Nevertheless, their practical application is often limited by low capacity resulting from single‐electron transfer per molecule, as well as poor cycling stability caused by solubility issues. In this work, we report three phenothiazine‐based polyamides and demonstrate a straightforward linker engineering strategy to synergistically overcome these challenges. The linker motif s…
- OpenAlex · Published · First archived
Impact of the impregnation method on the volumetric behaviour of vermiculite–CaCl2 composites under packed-bed cycling for thermochemical energy storage ↗
Thermochemical energy storage (TCES) based on salt hydrates offers high energy density and negligible standby losses. However, repeated hydration–dehydration in packed beds can cause salt redistribution, pore restructuring, and substantial changes in settled packed volume, which may alter vapour transport and thermal output. This study compares atmospheric impregnation (AP), wet vacuum-assisted impregnation (WVac), and dry vacuum-assisted impregnation (DVac) for vermiculite–CaCl 2 composites over 20 hydration–dehydration cycles at 25 °C and 50 ± 2% relative humidity. The initial estimated volu…
- OpenAlex · Published · First archived
Li-TFA modulated Li-Sb dual-cation synergy enables efficient and mechanically stable flexible CZTSSe Solar Cells ↗
Flexible kesterite Cu 2 ZnSn(S,Se) 4 (CZTSSe) thin film solar cells inherently suffer from defect-dominated carrier recombination and poor mechanical flexibility durability. Herein, a Li-TFA-assisted Li-Sb co-doping strategy is proposed for the regulation of various defects. Sb pre-doping acts as a lattice buffer to offset Li-induced lattice expansion. Shallow defects get passivated by Li; meanwhile, Sb functions to eliminate deep recombination centers correlated with Sn. At the optimal 0.08 mol/L Li doping concentration, film residual compressive stress drops from −6.42 GPa to −2.19 GPa, the…
- OpenAlex · Published · First archived
Advanced Energy Partnership Despite Frozen EU Accession Negotiations: Empirical Evidence from the Turkish– EU Membership Process ↗
The purpose of this research is to explore the increasing collaboration in energy between Türkiye and the EU within the interdependency theory despite the frozen negotiations. The methodology consists of legislative research, empirical assessment, document and policy analysis. The research primarily evaluated empirical data, including technical legislation, high-level negotiations, multilateral agreements, and projects implemented in Türkiye's energy chapter between 2005 and 2025. Document and policy analyses were also conducted using the EU's "2025 Communication on EU Enlargement Policy" and…
- OpenAlex · Published · First archived
A trustworthy evidential transformer with linear fusion and Gram-matrix distillation for efficient optic disc and cup segmentation ↗
Accurate glaucoma screening relies on the vertical cup-to-disc ratio (VCDR), but automation remains challenging. A critical trade-off between computational efficiency, segmentation accuracy, and model trustworthiness hinders clinical deployment. Vision Transformers offer global context but suffer from quadratic complexity ( O ( N 2 ) ), while standard Convolutional Neural Networks lack explicit mechanisms for uncertainty quantification (UQ). To bridge this gap, we propose EviG-Former (Evidential Gram Transformer), a highly efficient student network trained via Teacher-Student distillation. Our…
- OpenAlex · Published · First archived
Effect of structure aspect ratio on the heat storage and extraction performance in an abandoned mine shaft ↗
Combining solar energy with water tank thermal storage is a highly promising method for achieving cross seasonal storage and utilization of low-grade energy. However, the existing research mainly focuses on ground water storage, few investigations are involved in using abandoned mine shaft for water storage and thermal energy storage. To fill this research gap, an actual abandoned coal mine located in Xuzhou city, is selected to make the performance analysis of water and heat storage. The basic design concept is given as follows: The thermal energy obtained from solar collectors is injected in…
- OpenAlex · Published · First archived
EDAFNet: efficient dual attention fusion network via multi-exposure image for HDR reconstruction ↗
Abstract High Dynamic Range (HDR) reconstruction from multi-exposure Low Dynamic Range (LDR) images requires recovering a wide luminance range while preserving details in bright and dark regions under motion and exposure misalignment. High reconstruction fidelity, however, often comes with increased computational complexity. This paper presents the Efficient Dual Attention Fusion Network (EDAFNet), which combines CBAM-guided initialization, hierarchical local and global attention for cross-exposure alignment and fusion, and a lightweight refinement module based on depthwise separable convoluti…
- OpenAlex · Published · First archived
Direct loading of cylindrical WST specimens for Mode I rock fracture energy evaluation: a proof-of-concept study ↗
This study presents a proof-of-concept assessment of an alternative loading configuration for evaluating Mode I rock fracture energy using cylindrical Wedge Splitting Test (WST) specimens subjected to direct tensile opening at the specimen groove. The system uses a simple shear-to-tensile (ST) fixture installed inside a conventional direct shear apparatus, which converts horizontal shear displacement into tensile opening displacement. Four Corvio sandstone specimens were tested, supported by Digital Image Correlation (DIC) observations and numerical simulations. The experiments produced nearly…
- OpenAlex · Published · First archived
Rapid reliability assessment and mechanistic insight of Cu@Ag-metallized SHJ solar cells under acetic acid vapor aging ↗
Low-temperature Ag-coated Cu (Cu@Ag) paste has been widely adopted as a standard electrode material for silicon heterojunction (SHJ) solar cells, driven primarily by escalating cost-reduction pressure and growing demands for manufacturing sustainability through reduced reliance on scarce silver resources. However, the long-term behavior of such metallization under damp-heat (DH) conditions requires closer examination, as acidic species from encapsulant hydrolysis could potentially affect electrode integrity. Herein, the degradation behavior of low-temperature Cu@Ag paste-metallized SHJ solar c…
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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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