Xia Wen

Porous Carbon Materials Derived from Four Components of Petroleum Asphalt for Supercapacitors

Zhiying Feng, Xia Wen, Lei Lu, Xinli Guo et autres

Vanadium‐Assisted Epitaxy Growth of Wafer‐Scale Bilayer Tungsten Disulfide Ferroelectric Semiconductor Single Crystals with High‐Endurance Memory

Yanan Peng, Hang Sun, Xiaohui Li, Bingqian Xu et autres

Abstract Bilayer rhombohedral‐stacked (3R) transition metal dichalcogenides (TMDCs) with switchable polarization expand the ferroelectric scope and provide a promising avenue to construct low‐power and nonvolatile memory devices. However, epitaxy growth of wafer‐scale 2D ferroelectric semiconductor single crystals is still on the way …

cn (code pays fourni par la source)

Designing amorphous additive of cathode for stable zinc-ion storage

Yulin Jiang, Wenbo Zhao, Xia Wen, Yinuo Li et autres

Due to the safety, high energy density, and rapid charging feature, aqueous zinc-ion batteries (AZIBs) have attracted great attentions in large-scale energy storage systems. Although excellent electrochemical performances have been achieved, the cycling stabilities of AZIBs are still unsatisfactory especially at low …

Uniform epitaxy and controllable iron doping of centimeter-size bilayer tungsten disulfide with unidirectional alignment

Xiaohui Li, Ruofan Du, Quankun Luo, Feng Wang et autres

Bilayer transition-metal dichalcogenides (TMDCs) are promising channel materials for state-of-the-art transistors, due to their smaller bandgap, higher carrier mobility, and better electrostatic control than the monolayer counterparts. Epitaxial growth and controllable doping of wafer-scale bilayer TMDCs single crystals are two pivotal tasks …

cn (code pays fourni par la source)

P‐Band Center Engineering of Sulfur to Weaken Fe─S Bond Toward Superior Sodium‐Ion Storage

Yuhang Li, Xia Wen, Yinuo Li, Yulin Jiang et autres

Abstract Iron‐based sulfides are appealing anodes of sodium‐ion batteries (SIBs) due to the high theoretical capacity, low‐cost, and excellent mechanical/thermal stability. However, achieving high electrochemical performances in such anodes is hindered by the strong Fe─S bonds and sluggish kinetics. Here, a unique …

cn (code pays fourni par la source)

Constructing Robust Interfaces in CoSe2/Nitrogen-Doped Carbon for Superior Long-Life Sodium-Ion Storage

Xia Wen, Yinuo Li, Yuhang Li, Yulin Jiang et autres

Robust interfaces in anodes play a crucial role in boosting sodium-ion battery (SIB) performance. However, the fragile interfaces constructed by a two-step synthesis or artificial stack are prone to be destroyed during the charging/discharging processes, which significantly reduces the lifetime of SIBs. …

us, cn (code pays fourni par la source)

Bimetallic-ion co-intercalation to stabilize vanadium–oxygen bonds towards high-performance aqueous zinc-ion storage

Yulin Jiang, Xia Wen, Yinuo Li, Yuhang Li et autres

We designed a bimetallic-ion co-intercalation strategy to boost the performance of AZIBs using VOH, which significantly stabilizes the vanadium–oxygen bond.

cn (code pays fourni par la source)

Understanding Iron-Doping Modulating Domain Orientation and Improving the Device Performance of Monolayer Molybdenum Disulfide

Junbo Yang, Ling Huang, Hui Li, Xiaohui Li et autres

Domain orientation modulation and controlled doping of two-dimensional (2D) transition-metal dichalcogenides (TMDCs) are two pivotal tasks for synthesizing wafer-scale single crystals and boosting device performances. However, realizing two such targets and uncovering internal physical mechanisms remain daunting challenges. We develop an accurate …

cn (code pays fourni par la source)

Nitrogen and sulfur co-doping mesoporous carbon for high-rate and long-cycle sodium-ion storage

Yinuo Li, Yuhang Li, Yulin Jiang, Yanan Peng et autres

Carbon materials are considered as promising anodes of sodium-ion batteries (SIBs) due to their low cost, high conductivity, and tunable interlayer spacing. However, the low specific capacity, inferior rate capability, and poor initial coulombic efficiency (ICE) limit the practical applications. Heteroatom doping …

cn (code pays fourni par la source)

Coexistence of Ferroelectricity and Ferromagnetism in Atomically Thin Two-Dimensional Cr 2 S 3 /WS 2 Vertical Heterostructures

Luying Song, Ying Zhao, Ruofan Du, Hui Li et autres

Two-dimensional (2D) heterostructures with ferromagnetism and ferroelectricity provide a promising avenue to miniaturize the device size, increase computational power, and reduce energy consumption. However, the direct synthesis of such eye-catching heterostructures has yet to be realized up to now. Here, we design …

cn (code pays fourni par la source)

Robust multiferroic in interfacial modulation synthesized wafer-scale one-unit-cell of chromium sulfide

Luying Song, Ying Zhao, Bingqian Xu, Ruofan Du et autres

Multiferroic materials offer a promising avenue for manipulating digital information by leveraging the cross-coupling between ferroelectric and ferromagnetic orders. Despite the ferroelectricity has been uncovered by ion displacement or interlayer-sliding, one-unit-cell of multiferroic materials design and wafer-scale synthesis have yet to be …

cn (code pays fourni par la source)

Defect and interlayer spacing engineering of vanadium selenide for boosting sodium-ion storage

Feng Wang, Xia Wen, Yanan Peng, Luying Song et autres

We propose a synergistic strategy to boost sodium-ion storage by introducing Se vacancies and tuning the interlayer spacing of VSe 2− x . The sodium-ion full cell delivers high specific capacity and unexpected stability with the cycle number exceeding 2400.

cn (code pays fourni par la source)