Chinese Academy of Engineering

Superconducting Hydride Mg2RhH6 Experimentally Achieved at Lower Pressure

Abstract Although tremendous progress has been made in recent years in the field of polyhydride superconductors, the realization of high critical temperature (Tc) superconductivity still relies on formidable high pressures. Searching for superconducting hydrides at lower pressure...

Ionic Liquid-Mediated Structure-Engineered Cellulose-Based Ionogel with Ion-Electron Cotransport for Boosted Thermoelectric Conversion

Abstract Low-grade heat (<373 K) remains an underutilized energy source due to inefficient conversion technologies. While ionic thermoelectric (i-TE) materials show promise for direct thermal-to-electrical energy conversion, simultaneously optimizing the conductivity and Seebeck...

Water Vapor Adsorption Behavior Evolution of MarineKerogen across Maturity from Carbonization to Graphitization Stages:New Insights Based on Thermodynamic and Kinetic Characterization

Abstract The water adsorption behavior of marine overmature kerogen is a theoretical foundation for the shale gas exploration and development and CO2 geological sequestration. However, this issue remains poorly understood, especially regarding graphitization effects. This study i...

Corrosion Behavior and Mechanism of High-Oxidation-Potential Cu-Modified V2SnC in Chloride Molten Salts

Abstract High-temperature molten salt systems are essential for energy storage and molten salt reactors, but their corrosiveness limits the durability of structural materials. MAX phases offer excellent high-temperature stability and oxidation resistance, yet the selective dissol...

MXene-Induced Adsorption of Transition Metals Stabilizes Lithium-Rich Manganese Cathodes against Voltage and Capacity Decay

Abstract Lithium-rich manganese-based materials (LRMO) have emerged as ideal cathode materials for high-energy-density lithium-ion batteries due to their high capacity (&amp;gt;250 mAh/g) and low cost. However, the continuous migration and dissolution of transition metal ions (TM...

Building a Physics-Aware AI Ecosystem for Solid-State Hydrogen Storage Materials

Abstract Hydrogen storage remains a central bottleneck for scalable hydrogen energy systems due to the multiscale and coupled nature of the thermodynamics, kinetics, and microstructural evolution of hydrogen storage materials (HSMs). Although artificial intelligence (AI) has acce...

Sustainable Recovery of Platinum Group Metals via Oxysalt Phase Reconstruction and Subsequent Deep Eutectic Solvent Leaching

Abstract The recycling of platinum group metals (PGMs) underpins sustainable development across semiconductors, new energy devices, and catalytic materials. Efficiently enriching and extracting these sparsely distributed PGMs from solid wastes such as spent catalysts still pose a...

Star PolyelectrolyteCoacervates Enable Adaptive andRobust Enzyme Immobilization for Efficient Biocatalysis

Abstract Enzyme immobilization in solid porous supports often suffers from a trade-off among enzyme loading, mass transport, catalytic activity, and operational stability. Here, we report a liquid-like immobilization platform based on star polyelectrolyte coacervates (SPECs) form...

Lighting Up Yb‐MOF Across Visible and NIR Regions Through High‐Pressure Engineering

ABSTRACT Lanthanide metal‐organic frameworks (Ln‐MOFs) provide a robust platform for developing multifunctional materials with efficient dual emissions from both organic and Ln 3+ centers. However, the structural parameters that govern their intrinsic emission properties, as well...

Colossal and ReversibleBarocaloric and Solvent-CaloricEffects in a T C-Adjustable Spin-CrossoverComplex

Abstract Barocaloric effects (BCE) represent an appealing refrigeration technology and have attracted great interest recently. However, most BCE materials still cannot meet real-world refrigeration requirements because of their fixed phase transition temperature TC and the signif...

Modification GeneKnockout Diversifies Piericidinsfrom the Marine-Derived Streptomyces psammoticus SCSIO NS126

Abstract Piericidins are α-pyridone agricultural antibiotics produced by actinomycetes. To improve their yield and structural diversity from marine-derived Streptomyces psammoticus SCSIO NS126, this study employed homologous recombination to achieve large-fragment knockout of mod...

Sulfur-PassivatedSuperatomic Rh13S8± Clusterswith Enhanced Stability and UniqueElectronic Properties

Abstract Metal sulfides have attracted considerable attention in nanomaterials because of their unique properties supporting key applications in catalysis, energy storage, sensing and others. Thiol-protected metal clusters feature similar metal–sulfur bonding as in nanomaterials,...

Manipulation of Photoresponse via Defect-Level Excitations in Metal–Insulator–Semiconductor-Type Two-Dimensional Heterostructure for Optoelectronic Logic Gates

Abstract In recent years, effective carrier–exciton conversion and defect engineering in tunneling diodes based on metal–insulator–semiconductor (MIS) van der Waals heterostructures have attracted extensive research interest in modulating optoelectronic device performance. Effect...

Balanced ElectronDonation Governs Adsorption SiteSelection in CO2 Electroreduction to HCOOH on TransitionMetal-Doped Magnesium Oxides

Abstract Magnesium oxide (MgO) is attractive for CO2 utilization, because interaction with O2. However, the electronic inertness has limited its application in electrochemical catalysis. Herein, spin-polarized dDFT calculations with the BEEF-vdW functional were performed to evalu...

A Heterogeneous Metal–LigandBifunctional Catalystfor Chemoselective Hydrogenation of α,β-Unsaturated Aldehydes

Abstract The concept of metal–ligand bifunctional catalysts has been extensively explored in homogeneous catalysis, yet it has not been reported in conventional heterogeneous catalysis. Inspired by the outer-sphere hydrogenation mechanism in homogeneous metal–ligand bifunctional...

Unraveling theEvolutionary Pathways of Major Productsfrom the Thermal Conversion of 5-Hydroxymethylfurfural

Abstract Thermosensitive 5-hydroxymethylfurfural (HMF) serves as a bridge between biochemical and petrochemical industries, and research into its thermal conversion inherent characteristics is crucial for the preparation of HMF and its derivatives. This study systematically analy...

In situ Second-HarmonicGeneration Probing of Magnetic-Field-InducedChiral Stacking in a Radical-Doped Liquid Crystal Monolayer

Abstract Functional open-shell π-radicals offer attractive optical and magnetic tunability but suffer from poor ambient stability, limiting their deployment in condensed-phase architectures. Here we circumvent this limitation by embedding the photolabile radical precursor HTTM-PD...

Competitionbetween Two Upconversion Mechanisms forRed Emission in Er3+ and Yb3+ Codoped Rare-EarthSesquioxides

Abstract Er3+/Yb3+ codoped rare-earth sesquioxides are widely used red upconversion (UC) phosphors under near-infrared (NIR) 980 nm excitation. Besides the old mechanism, a newly identified round-trip energy transfer (RTET) between Er3+ and Yb3+ accelerates relaxation from the gr...

SmartphoneImaging-Based Luminol Electrochemiluminescenceat the Cobalt Electrode for Sinapic Acid Determination

Abstract Developing simple and portable luminol electrochemiluminescence (ECL) systems without externally added co-reactants is important for on-site analysis. Cobalt is a low-cost and redox-active transition metal with favorable electrocatalytic properties toward water-oxidation...

Endowing CentrosymmetricOxides with Effective Piezoelectricityvia Oxygen Vacancy Engineering and Single-Atom Anchoring for MulticatalyticSono-Immunotherapy

Abstract Due to piezopotential-driven energy band tilting and the promotion of charge carrier separation, sonopiezoelectric therapy (SPT) holds promise in overcoming the limitations of band structure. However, the dependence of the piezoelectric effect on noncentrosymmetric cryst...