Harbin Institute of Technology

Carbon-Fiber Structural Batteries: From Multifunctional Integration to Retained Reliability

Carbon-fiber structural batteries represent a class of multifunctional energy-storage systems that integrate electrochemical energy storage with mechanical load-bearing capability. Unlike conventional batteries, which are mainly evaluated based on cell-level energy density, struc...

Synthesis and in silico studies of hexahydroacridine derivatives as potential antitumor agents

Abstract Despite advances in targeted cancer therapies, drug resistance and off-target toxicity remain major challenges, underscoring the need for new multi-targeted agents with improved selectivity. The present study evaluated the anticancer potential of newly synthesized hexahy...

Decoupling Mineral Shielding and Carbon-Structure Inertness in Pressurized Coal Gasification Fine Slag Combustion via Sequential Demineralization

Abstract Pressurized coal gasification fine slag exhibits poor combustion reactivity due to the coupled effects of mineral encapsulation and highly ordered residual carbon. In this study, sequential HCl → HF → HNO3 demineralization was employed as a mechanistic probe to distingui...

Novel Stress‐Evolution Model for NaNi 1/3 Fe 1/3 Mn 1/3 O 2 Cathodes: Determining Localized Accumulation and Diffusive Transfer Based on Tension‐Compression Asymmetry

ABSTRACT O3‐NaNi 1/3 Fe 1/3 Mn 1/3 O 2 (NFM) is a promising high‐energy‐density cathode for sodium‐ion batteries. However, the long‐term cycling performance is hindered by particle fracture caused by non‐uniform stress distribution. The mechanisms of non‐mechanical stress accumul...

Phase Compensator Combined Feedback Control to Mitigate Dynamic Hysteresis in Piezoelectric Actuators

The inherent dynamic hysteresis nonlinearity of piezoelectric actuators severely degrades the control accuracy of micropositioning systems. This paper proposes a composite control method based on a phase compensator and polynomial correction. Unlike conventional approaches that r...

Enhancing Second Harmonic Generation via Hydrostatic Pressure in 1D vdWs Ferroelectric WOCl 4

ABSTRACT Achieving controllable nonlinear optical effects up to the ultimate one‐dimensional (1D) single‐chain limit holds significant promise for high‐density integrated photonics and tunable optoelectronic devices. However, experimental investigations of intrinsic 1D van der Wa...

Energy field-assisted technology for ceramic/metal joining: a review

Joining ceramics to metals is essential for advanced composite components that combine the superior high-temperature and corrosion resistance, and the mechanical strength of ceramics, with the toughness and machinability of metals, thereby enabling applications in aerospace, elec...

S-Vacancy Rich Ni-Doped CoS Embedded in S,N Co-doped Carbon as a Bifunctional Catalyst for Zinc–Air Battery

Abstract Simultaneously optimizing activities of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) remains challenging in the design of bifunctional electrocatalysts due to their distinct reaction pathways. Herein, a simultaneous sulfidation-carbonization strate...

Fe-Rich Biomass-Derived Hierarchically Porous Capacitive Electrodes as Electron Repeaters to Boost Power Generation in Microbial Electrochemical Systems

Abstract Microbial electrochemical systems (MESs) present a promising approach for simultaneous water treatment and electricity generation. However, their performance is constrained by limited chemical-to-electrical energy conversion efficiency. Anode materials are central to thi...

Singular Value-Based Analysis of Current Decoupling Control Effect of Permanent Magnet Synchronous Motors

The dq-axis coupling effect significantly influences the vector control performance of permanent magnet synchronous motors (PMSMs), and traditional proportional-integral (PI) control cannot control the system as desired. Extensive studies have addressed this coupling effect. Howe...

Gamark: adaptive entropy-threshold watermarking via gaussian mixture modeling for large language models

Abstract Existing generative watermarking methods rely on fixed or heuristic entropy thresholds in cross-task generation scenarios, leading to redundant watermark injection, detection noise, and degraded generation quality. To address these limitations, we propose GAMark, a G aus...

Superior flexibility merges high power density in single-crystal Bi2Te3 film thermoelectric generators

Developing high-performance, mechanically robust power sources is critical for wearable microelectronic networks. Flexible thermoelectric technology offers a promising solution, but the central challenge remains the synergistic optimization of mechanical flexibility and functiona...

IMPC of Multiple Precision Motion Systems Subject to Dynamic Coupling and Input Delay

Complex manufacturing processes, such as lithography, frequently depend on the coordinated operation of multiple precision motion systems whose accuracy is typically undermined by three principal limitations: dynamic coupling among the subsystems, input delays within their contro...

Single‐Phase Single‐Stage Isolated DC–AC Inverter With Double‐Frequency Current Ripple Compensation Port

ABSTRACT The single‐phase single‐stage isolated photovoltaic (PV) microinverter typically requires bulky electrolytic capacitors to buffer double‐frequency ripple power, limiting lifespan and power density. This paper proposes a novel single‐stage isolated DC–AC topology with an...

Synergistic Regulation of Homoacetogenesis and Electrochemical Electron Supply Enhances CO2-Assisted Caproate Production from Waste Activated Sludge

Abstract Municipal sewage treatment has become an energy-intensive sector associated with substantial CO2 emissions and waste activated sludge (WAS) generation. Chain elongation (CE), as a promising carbon resource recovery route, enables the conversion of sludge-derived short-ch...

A Chemically Selective Fluorescent Probe Visualizes the Non‐Monotonic Evolution of the NaF‐Rich Interphase in Sodium‐Metal Batteries

ABSTRACT Alkali‐metal fluorides enable robust solid‐electrolyte interphases (SEIs) in metal batteries owing to their wide electrochemical stability windows and high mechanical stiffness. However, the complexity and dynamic behavior of SEIs have long hindered direct, chemically re...

cTIRF: TIRF-Like Computational Optical Sectioning for Widefield Fluorescence Microscopy

Abstract The resolving ability of widefield fluorescence microscopy is fundamentally limited by out-of-focus background owing to its low axial resolution, particularly for densely labeled biological samples. Although total internal reflection fluorescence (TIRF) microscopy provid...

CEO undergraduate natural disaster experiences and corporate social performance

Our paper investigates the relationship between CEOs’ experiences of natural disasters during their undergraduate studies and the ESG performance of their firms. Using a panel dataset of U.S. listed firms, we find that, on average, companies led by these CEOs achieve superior ESG...

Selective transport of plasma-derived reactive species through the plant aquaporin channels: a molecular dynamics study

Abstract The selective permeability of reactive oxygen and nitrogen species (RONS), generated by cold atmospheric plasma (CAP), through plant aquaporins was investigated to identify plasma-derived species capable of intracellular delivery. Using atomistic molecular dynamics and e...

Effect of integrated die-casting on microstructure and mechanical properties of large-scale complex thin-walled RE-Mg alloy components for new energy vehicles

In this work, vacuum-assisted high-pressure die casting (HPDC) was employed to fabricate an integrated RE-Mg alloy rear floor for new energy vehicles (NEVs). The correlations among microstructure evolution, mechanical properties, melt flow, and filling behavior of the integrated...