Beijing Institute of Technology

Open framework–based Brønsted acid–Lewis base interfaces boost proton transfer in the fuel cells

Limited proton conductivity within the catalyst layer induces severe ohmic polarizations and constrains power output at high hydrogen-to-electricity efficiencies in proton exchange membrane fuel cells. We demonstrate that proton transfer can be boosted by constructing Brønsted ac...

Photothermal-Induced In Situ Crystallization of Perovskite Nanocrystals and the Application on Micro–Nano Defect Detection

Abstract Micro–nano defects on the optical elements are critical factors limiting the maximum light intensity tolerance and system reliability. Developing an accurate and efficient method for defect detection remains a significant technical challenge. Notably, under laser irradia...

Computer-Assisted Workflow for DNA Origami-Engineered Triangular Nanopores

Abstract Synthetic nanopores engineered by DNA origami provide a highly biocompatible and structurally programmable platform for elucidating the transmembrane mechanisms of functional macromolecules. However, engineering large DNA nanopores exceeding 30 nm in width remains a sign...

Active Electrochemical Regulation Strategies Based on Dynamic Response Mechanisms for Secondary Batteries

Developing advanced secondary batteries to adapt to the increasingly stringent performance requirements demands a fundamental rethinking of battery regulation strategies. Active electrochemical regulation strategies for secondary batteries are an innovative shift from static mate...

Classification of magnetism and altermagnetism in quasicrystals

Altermagnetism (AM), an unconventional magnetic phase characterized by zero net magnetism protected by symmetry(s) other than parity-time ( \({\mathcal{P}}{\mathcal{T}}\) ) and a resulting spin-split band, has been studied exclusively in crystalline materials. Here, we extend the...

Enzymatic Hydroxylation vs Desaturation: Mechanistic Insights from the Case of Diiron Alkane Monooxygenase AlkB

Abstract Understanding the enzymatic catalytic preferences for hydroxylation or desaturation could provide useful information for the potential regulation and engineering of enzymatic activity. AlkB, a non-heme diiron-dependent alkane oxygenase that catalyzes the hydroxylation of...

Halogen-free Flame-Retardant and Smoke-Inhibiting Rigid Polyurethane Foam with Modified Expandable Graphite and Layered Double Hydroxides

Abstract Developing rigid polyurethane foam (RPUF) featuring well-balanced heat insulation, mechanical robustness, flame retardancy, and smoke inhibition properties through a halogen-free method is crucial for the advancement of building heat-isolated materials. In this study, a...

One-loop HDL thermodynamics of a strongly magnetized isospin asymmetric cold quark matter

Abstract We have computed the longitudinal pressure and magnetization of strongly magnetized cold QCD matter in the presence of both quark and isospin chemical potentials using the hard-dense-loop perturbation theory (HDLpt). For that purpose, we have first obtained the resummed...

Enhancement of mechanical characteristics of glass fiber composite by reinforcement of boron nitride and graphene oxide nanosheets

Glass fiber composites (GFCs) have garnered significant attention owing to their outstanding properties, such as low density, high strength, and flexibility, making them suitable for advanced aerospace applications. Enhancing their mechanical performance is vital to expand their...

Reassessing global trade and welfare impacts of EU’s carbon border adjustment mechanism in developing countries: a structural quantitative model

The European Carbon Border Adjustment Mechanism (CBAM) has been agreed on since 2023, while the discussions, especially in developing members that have higher carbon intensity, are still underway. Here, we used a structural quantitative trade model to analyze how the EU CBAM affe...

From System Characteristics to Online Learning Satisfaction: An Outcome-Oriented Learning Experience Pathway for AI-Based E-Learning Systems in Higher Education

Artificial intelligence is becoming deeply embedded in higher education, yet how the characteristics of AI-based e-learning systems relate to students’ perceived learning effectiveness and satisfaction remains insufficiently understood. This study examines the relationships of AI...

Coordination Environment Modulation of Laser Sensitivity in Copper(II) APTTz Energetic Complexes: From Aqua to Perchlorate Ligation

Abstract Coordinated water is a major obstacle in the design of high-performance energetic coordination complexes because inert aqua ligands lower energy density and suppress laser sensitivity. Herein, we report a simple strategy for removing coordinated water by changing the Cu:...

Radical‐Integrated Phosphorus‐Containing Ionic Organic Cage for Efficient Gold Recovery From Complex Liquids

ABSTRACT The development of advanced adsorbents for the selective and efficient recovery of gold from complex aqueous matrices is of paramount importance for sustainable resource recycling. Here, we report a phosphorus‐functionalized, quaternized ammonium cages (Phos‐QA‐Cage‐Cl)...

Metabolic Engineering Strategies for High-Level α-Pinene Production in Saccharomyces cerevisiae

Abstract α-Pinene is a biologically active monoterpene compound derived from coniferous plants, performing multiple ecological and physiological functions. Moreover, its strained bicyclic skeleton makes it an exceptional renewable feedstock for high-density renewable fuels. Howev...

Intelligent Matching Algorithm with Density-Based Clustering for UAV Swarm Networking

As an emerging and powerful technology, unmanned aerial vehicles (UAVs) have tremendous potential applications in real-time monitoring, instant communication, data transmission, and more, providing ground terminal users with more efficient services and support. In this paper, we...

PCIPG: A comprehensive framework for protein complex identification based on a probabilistic graphical model

Protein complexes are molecular machines that execute essential cellular functions, but their computational identification remains challenging. Existing protein complex identification methods largely rely on PPI network topology, functional annotations, or protein-level biochemic...

Proton Capture and Relay Codesign Enables a pH‐Neutral All‐Organic Aqueous Proton Battery

ABSTRACT Aqueous all‐organic proton batteries promise safe, sustainable, and high‐rate energy storage, but operation under near‐neutral conditions is hindered by low proton activity and competition from nonproton charge carriers. Here, we report a proton capture and relay codesig...

Proton Capture and Relay Codesign Enables a pH‐Neutral All‐Organic Aqueous Proton Battery

ABSTRACT Aqueous all‐organic proton batteries promise safe, sustainable, and high‐rate energy storage, but operation under near‐neutral conditions is hindered by low proton activity and competition from nonproton charge carriers. Here, we report a proton capture and relay codesig...

Spectrally Partitioned All-Optical Memristors for Highly Linear Neuromorphic Vision Systems

Abstract All-optical control of synaptic weights offers a promising route toward low-power and massively parallel neuromorphic hardware. However, existing optoelectronic memristors often require electrical assistance or exhibit nonlinear and asymmetric conductance updates, limiti...

Nanofibrous aerogels with continuous conductivity gradient for ultrabroadband absorption-dominant electromagnetic interference shielding

Electromagnetic interference (EMI) shields are limited by a severe impedance mismatch with free space, leading to strong reflections and secondary radiation. Here, we introduce ultralight all-polymer aerogels featuring a continuous through-thickness conductivity gradient (MCAs),...