Xi'an Jiaotong University

Photovoltaic-phase change material systems: A review from thermal managements to system optimizations

This article starts from the core issues of photovoltaic thermal management, systematically reviews the mechanism of temperature's impact on photovoltaic efficiency. The analysis compares active and passive cooling technologies to highlight the distinct advantages of phase change...

High-sensitivity deep shortwave infrared organic photodetectors enabled by selenium-integrated quinoidal molecular semiconductor

Developing organic photodetectors (OPDs) that can detect in deep shortwave infrared (deep-SWIR) region (1.2–1.6 μm) is technologically important. Yet, the performance of the state-of-the-art deep-SWIR OPDs remains substantially limited. Herein, we report a selenium-integrated qui...

Coupled neutronics–thermal–thermal expansion analysis of a heat pipe-cooled reactor using the SARAX code

Heat pipe cooled reactors are perceived as promising for providing power supply in remote grids owing to their compactness and safety properties. In this context, thermal expansion plays an important role in inducing sufficient negative reactivity during operation and accident co...

Annealing-induced interfacial evolution of β-Ga2O3 (001)/4H-SiC heterostructures fabricated by surface-activated bonding

β-Ga 2 O 3 /4H-SiC heterostructures are promising for the heterogeneous integration of ultrawide-bandgap semiconductors, yet the thermal evolution of their bonded interfaces remains insufficiently understood. In this work, β-Ga 2 O 3 (001) and 4H-SiC wafers were directly bonded b...

Wind-Induced Response of a Transmission Tower-Line System in a Goaf Area at the Allowable Tower Inclination Limit

This study investigates the wind-induced response of a transmission tower-line system with an initial inclination induced by differential foundation settlement. A two-tower, three-span finite element model is established for a 220 kV tangent tower in a goaf area of Ordos, China....

Prussian blue regulates ion dynamics in perovskite solar cells

Perovskite photovoltaics are limited by structural instabilities initiated during crystallization and amplified under operation. We report that a lattice-matched Prussian blue scaffold directs heterogeneous nucleation to produce highly oriented, strain-relaxed films. Its redox-ac...

Association of atherogenic index of plasma with gestational diabetes mellitus and birth weight outcomes, and the mediating role of blood glucose

AIMS: This study aimed to examine the associations of maternal first-trimester atherogenic index of plasma (AIP) with gestational diabetes mellitus (GDM) and birth weight outcomes, and the mediating role of second-trimester blood glucose. METHODS: [TG (mg/dL)/HDL-C (mg/dL)] from...

Porous SiC/NaCl-KCl composite phase change materials with enhanced thermal conductivity via structural inheritance from graphite foam

NaCl-KCl eutectic salts possess high thermal stability, high energy storage density and low cost, representing one of the most promising phase-change thermal storage materials for next-generation concentrated solar power technology. However, its low thermal conductivity and susce...

A semi-supervised deep learning framework (TBMNet) for automatic tumor budding quantification: real-world validation and clinical utility in stage II colorectal cancer

Abstract Background Tumor budding (TB) is a clinically important prognostic marker in colorectal cancer (CRC), but its assessment remains subjective and its biological basis is incompletely understood. We developed an artificial intelligence (AI)-based TB evaluation framework and...

Fe-modified biochar for aqueous Cu(II) capture and its reutilization in enhanced phase change materials

To address the dual challenges of developing high-performance phase change materials (PCMs) and heavy metal water pollution, this study proposes an eco-friendly integrated strategy coupling Cu(II) wastewater treatment with TES performance enhancement. Magnetically recoverable Fe-...

Design, dynamic analysis, and optimization of a hybrid nuclear-storage power system for mobile applications

With the rapid advancement of heat pipe-cooled reactor (HPR) technology, the integration of mobile nuclear power with energy storage offers a promising solution for energy supply in remote and off-grid scenarios. However, existing research predominantly focuses on stationary syst...

Nonplanar S-Shaped Bisanthene: Synthesis, Structures, and Properties

Abstract Spiro-fused polycyclic aromatic compounds have attracted increasing attention. In this work, we designed a nonplanar S-shaped compound hel-BA featuring dual [4]helicene. Its synthesis adopts an efficient cationic radical-mediated direct C–H aromatic nucleophilic substitu...

Lubrication Performance and Axial Equilibrium of a Double-Flow Ring Seal Under High Hydrogen Pressure: Response to an Equivalent Oil-Retaining-Ring Outlet Restriction and Hydrogen-Side Oil-Supply Interruption

The lubrication response of a double-flow ring seal in a large hydrogen-cooled generator is investigated under two altered boundaries: an equivalent hydrogen-side outlet restriction representing an oil-retaining ring and the interruption of active hydrogen-side oil supply. The st...

Early-Charging Features and Heterogeneous Ensemble Learning for High-Fidelity Lithium-Ion Battery Capacity Estimation

Accuracy capacity estimation in lithium-ion batteries serves as a cornerstone for battery management systems. Although recent data-driven methods have advanced this field, practical applications still face the challenge of reconciling high-quality feature extraction with minimal...

Applications of artificial intelligence technology in space nuclear reactor systems

Space nuclear power systems have attracted increasing attention as enabling technologies for future deep-space exploration because of their high energy density, long-duration power generation capability, and independence from terrestrial environmental conditions. Artificial intel...

Modulus-matched epidermal biointerfaces for robust surface electromyography sensing

Surface electromyography (sEMG) has emerged as a promising modality for intuitive and efficient human–machine interfacing. However, mismatches in Young’s modulus between conventional epidermal electrodes and human skin often lead to poor interfacial contact, resulting in unstable...

Response of an Artificial Filled Fracture with Varied Water Contents to Dynamic Stressing

Field observations indicate that gouge-filled faults can be weakened under dynamic stressing and further trigger earthquakes. Previous studies have qualitatively attributed such fault weakening to elevated pore pressure within fault gouges induced by seismic deformation, which re...

Heterogeneities by Age and Sex in Associations Between Electronic Device Use Frequency and Comorbid Mental Health Symptoms: The Roles of Self-Efficacy and Social Support

Objectives: This study aims to examine age and sex disparities in the relationships between the weekly frequency of electronic device use and mental health comorbidities (anxiety symptoms, depressive symptoms, and stress), and the roles of self-efficacy and social support. Method...

Toward Web 4.0: bidirectional trust between AI agents and blockchain

Autonomous artificial intelligence (AI) agents are increasingly deployed on blockchain platforms, yet the design space governing their interaction remains poorly understood. This convergence, in which autonomous agents operate on and within decentralized systems, characterizes th...

Dynamic response and long-term operational performance of a ball double-screw hydraulic robotic joint actuator

Hydraulic joint actuators are important components in robotic motion systems, where dynamic response, force transmission stability, and long-term operational reliability are critical under repeated loading. However, conventional screw-based hydraulic joints often suffer from fric...