Ye Wang

• Zhengzhou University

Sodium-ion batteries (SIBs) are an alternative to lithium-ion batteries (LIBs) due to the low cost. However, the large ionic radius of Na-ion hinders their effcient diffusion within the hosts of SIBs. Interlayer expansion of intercalation hosts is a option to increase the mobility of sodium ions. In this paper, tetraalkylammonium ions of different...

The pursuit of advanced anode materials to address inferior conductivity and slow ion diffusion has driven the development of fast‐charging sodium‐ion batteries (SIBs). Herein, a promising anode material of KCu7S4 nanowires with a tunnel structure is proposed for SIBs. The Na⁺ (de)insertion mechanisms of the KCu7S4 anode are comprehensively elucida...

Lithium metal anodes are highly promising for next-generation high-energy-density batteries due to their ultrahigh theoretical capacity and low electrochemical potential. However, their practical application is hindered by issues such as lithium dendrite growth and poor cyclability. Herein, a vertically aligned 1T-PtSe2 film on carbon cloth (PtSe2-...

Sodium metal is a promising anode material for sodium metal batteries (SMBs) due to its high theoretical specific capacity and low electrochemical potential. However, its practical implementation is severely limited by dendrite formation, which causes short circuits and safety issues. Here, we introduce a separator modification strategy using Ag na...

Sodium metal is considered as a promising anode material for sodium metal batteries (SMBs) owing to its high theoretical specific capacity and low electrochemical potential. Nevertheless, its practical application is...

Tunnel‐structured materials have garnered significant attention as promising candidates for high‐performance rechargeable batteries, owing to their unique structural characteristics that facilitate efficient ionic transport. However, understanding the dynamic processes of ionic transport within these tunnels is crucial for their further development...

Sodium metal anode holds great potential for high energy density sodium batteries. However, its practical utilization is impeded by significant volume change and uncontrolled dendrite growth. To tackle these issues, a three‐dimensional (3D) hierarchical porous sodiophilic reduced graphene oxide/diamane (rGO/diamane) microlattice aerogel is construc...

Rechargeable aqueous Zn‐ion batteries have received considerable attention in energy storage systems owing to their merits of high safety, low cost, and excellent rate performance. However, the unsatisfactory areal energy density and poor cycling performance hinder their practical applications. Herein, the V5O12·6H2O (VOH) nanosheet arrays and Zn n...

Molybdenum disulfide (MoS2), characterized by its two‐dimensional structure and high theoretical specific capacity, is considered a prospective anode of Na‐ion battery. However, the cycling and rate capabilities are hampered by its sluggish charge transfer kinetics and poor structural stability. To overcome the issues, most efforts have been focuse...

Sodium (Na) metal is regarded as an ideal anode for sodium metal batteries (SMBs) due to its high theoretical specific capacity and low electrochemical potential. However, its utilization is still restricted by the notorious dendrites and unstable solid electrolyte interface (SEI). Herein, a zinc nanoparticle decorated 2D diamond (diamane) modulate...

Sodium metal anodes (SMA), featuring high energy content, low electrochemical potential and easy availability, are a compelling option for sustainable energy storage. However, notorious sodium dendrite and unstable solid‐electrolyte interface (SEI) have largely retarded their widespread implantation. Herein, porous amorphous carbon nanofiber embedd...

Sodium metal anodes (SMA), featuring high energy content, low electrochemical potential and easy availability, are a compelling option for sustainable energy storage. However, notorious sodium dendrite and unstable solid‐electrolyte interface (SEI) have largely retarded their widespread implantation. Herein, porous amorphous carbon fiber embedded w...

Additive manufacturing, commonly known as 3D printing, is an innovative technique for fabricating batteries with arbitrary architectures. Understanding the intricacies of 3D printing designs in sodium battery materials is crucial for optimizing their electrochemical properties and unlocking the full potential of 3D printed sodium batteries. This re...

Structural engineering offers a viable and broadly applicable approach for further enhancing the energy density of aqueous nickel‐iron (Ni‐Fe) batteries without changing the fundamental battery chemistries. Herein, the synthesis of 3D printed low‐tortuosity and ultra‐thick ordered hierarchically porous reduced graphene oxide (rGO)‐based microlattic...

A 3D‐printed oxygen‐vacancy‐rich potassium ammonium vanadate/reduced graphene oxide (KNVOv/rGO) microlattice aerogel is designed for the cathode in high‐performance K‐ion batteries (KIBs). The 3D‐printed KNVOv/rGO electrode with periodic submillimeter microchannels and interconnected printed filaments is composed of highly dispersed KNVOv nanobelts...

Herein, hierarchically structured microgrid frameworks of Co3O4 and carbon composite deposited on reduced graphene oxide (Co3O4@C/rGO) are demonstrated through the three‐dimensioinal (3D) printing method, where the porous structure is controllable and the height and width are scalable, for dendrite‐free Na metal deposition. The sodiophilicity, faci...

As a promising anode material for Na‐metal batteries, the practical application of Na metal is severely hindered due to the formation of the notorious dendrite and unstable solid‐electrolyte interface (SEI). To address these issues, a direct‐ink writing (DIW) 3D printing technology is proposed to construct an artificial 3D hierarchical porous sodio...

Selecting suitable electrode materials for sodium‐ion batteries (SIBs) often relies on the experience gained from lithium‐ion batteries (LIBs), particularly in terms of thermodynamics. However, this approach may fall into a stagnant situation where the development of SIBs consistently lags behind that of LIBs due to the larger ionic radius of Na⁺....

Owing to the high theoretical capacities and low redox potentials, metallic lithium (Li) and sodium (Na) have attracted extensive attention as promising anodes for high energy density lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs), respectively. However, their practical applications have been hampered by poor cycling stability, low Co...

Developing efficient nonprecious bifunctional electrocatalysts for hydrogen and oxygen evolution reactions (HER and OER) in the same electrolyte with a low overpotential and large current density presents an appealing yet challenging goal for large‐scale water electrolysis. Herein, a unique 3D self‐branched hierarchical nanostructure composed of ul...

Sodium metal batteries are promising next‐generation energy storage technology by using energy‐dense and affordable Na metal anodes, yet suffering uncontrollable Na dendritic growth issues. Herein, Au nanoparticle@hollow amorphous carbon tube yolk/shell arrays (Au/HCT‐CC) is rationally designed on carbon cloth as a dynamic host. In situ transmissio...

The fast development of flexible and wearable electronics increases the demand for flexible secondary batteries, and the emerging high‐performance K‐ion batteries (KIBs) have shown immense promise for the flexible electronics due to the abundant and cost‐effective potassium resources. However, the implementation of flexible cathodes for KIBs is ham...

Sodium metal has emerged as a highly promising anode material for sodium-based batteries, owing to its intrinsic advantages, including its high theoretical capacity, low working plateau and low cost. However, the uncontrolled formation of sodium dendrites accompanied by unrestricted volume expansion severely limits its application. To tackle these...

Single materials that exhibit efficient and stable white-light emission are highly desirable for lighting applications. This paper reports a novel zero-dimensional perovskite, Rb4CdCl6:Sn2+, Mn2+, which demonstrates exceptional white-light properties including adjustable correlated color temperature, high color rendering index of up to 85, and near...

Lithium–sulfur batteries (Li–S) are potentially applicable in electrification and the replacement of fossil fuels due to the high energy density and the economy of sulfur. However, effectively an insulator, sulfur is known to suffer from inert electrochemical and poor conductivity. By synthetically incorporating conductive, low‐dimensional carbonac...

The sluggish redox kinetics and shuttle effect seriously impede the large application of room‐temperature sodium–sulfur (RT Na–S) batteries. Designing effective catalysts into cathode material is a promising approach to overcome the above issues. However, considering the multistep and multiphase transformations of sulfur redox process, it is imprac...

Sodium metal anode, featured by favorable redox voltage and material availability, offers a feasible avenue toward high-energy-density devices. However, uneven metal deposition and notorious dendrite proliferation synchronously hamper its broad application prospects. Here, a three-dimensional (3D) porous hierarchical silver/reduced graphene oxide (...

Metal sulfide anodes have aroused much attention in potassium ion batteries (PIBs) owing to their high theoretical capacities, but the sluggish kinetics and inferior cycling performance caused by severe volumetric change and particle pulverization greatly hinder their further development. Herein, robust hollow structure design together with phase s...

Rechargeable aqueous zinc‐ion batteries are promising candidate for grid‐scale energy storage. However, the development of ZIBs has been plagued by the lack of cathode materials with high specific capacity and superior lifespan. Herein, hexagonal Cs0.3V2O5 cathode is fabricated and investigated in ZIBs. Compared with the traditional vanadium oxides...

Low‐dimensional Cu‐based halides exhibit considerable potential as luminescent materials owing to their efficient exciton emissions originating from strongly localized charge carriers. However, the luminescence processes of multiple self‐trapped excitons (STEs) in Cu‐based halides with mixed halogens have not been systematically studied. In this st...

Photoelectric synaptic devices have been considered as one of the key components in artificial neuromorphic systems due to their excellent capability to emulate the functions of visual neurons, such as light perception and image processing. Herein, we demonstrate an optically-stimulated artificial synapse with a clear photoresponse from ultraviolet...

The relatively large ionic radius of the Na ion is one of the primary reasons for the slow diffusion of Na ions compared to that of Li ions in de/intercalation processes in sodium-ion batteries (SIBs). Interlayer expansion of intercalation hosts is one of the effective techniques for facilitating Na-ion diffusion. For most ionic layered compounds,...

Lead-free double perovskite (Cs2AgBiBr6) has recently attracted intense interest for optoelectronic applications owing to its non-toxicity, high stability, and high detection sensitivity. The current goal for the commercial application of...

In conventional ethylene carbonate (EC)/propylene carbonate (PC) electrolyte, sodium metal reacts spontaneously and deleteriously with solvent molecules. This significantly limits the practical feasibility of high-voltage sodium metal batteries based on Na metal chemistry. Herein, we present a sodium metal alloy strategy via introducing NaIn and Na...

The intelligent design of catalytic materials with unique architectures has a significant impact on regulating the polysulfides (LiPSs) conversion and boosting the performance of Li − S batteries. Here, starting from 2D catalytic MoS2 nanosheets and combined with the first-principle calculations, the covalent heterojunction and S vacancy are simult...

Albeit with natural abundance, appealing theoretical capacity and low electrode potential merits, infinite volume expansion and notorious Na dendrite still hamper the implementation of sodium metal batteries (SMBs) based on Na metal anode chemistry. Herein, we prepare a 3D sodiophilic [email protected] imidazolate framework ([email protected]) deri...

Sodium metal, featuring a high theoretical capacity and the lowest redox potential, is a promising anode for sodium metal batteries (SMBs). Nonetheless, issues related to the sodium metal's undesired volume expansion and dendrites formation upon cycling have greatly retarded its practical implementation. Herein, we report a robust substrate for Na...

The development of portable, flexible and wearable electronic devices has accelerated ever-growing demand for high-performance power sources with high specific energy/power density, high-level safety, low cost, and highly flexible features. Herein, a flexible quasi-solid-state aqueous nickel-iron (QSSA Ni-Fe) battery with high energy and power dens...

Sodium metal anodes (SMAs) have been widely investigated due to the high theoretical capacity and low redox potential. However, the uncontrollable dendrite formation of SMAs seriously hinders further development. Herein, a three-dimensional (3D) nanostructure composed of sodiophilic silver nanoparticles (Ag NPs) anchored onto the vertical graphene...

Owing to the large specific capacity and low electrochemical potential, lithium metal anodes have attracted much attentions. However, owing to lithium metal's high reactivity and infinite volume change, the lithium dendrite formation is uncontrollable and even causes serious safety concerns. In this work, three-dimensional (3D) carbon nanotubes-foa...

Featuring a high theoretical capacity, low cost, and abundant resources, sodium metal has emerged as an ideal anode material for sodium ion batteries. However, the real feasibility of sodium metal anodes is still hampered by the uncontrolled sodium dendrite problems. Herein, an artificial three-dimensional (3D) hierarchical porous sodiophilic V2CTx...

Although lithium metal and sodium metal are promised as ideal anodes for lithium ion batteries (LIBs) and sodium ion batteries (SIBs), they still suffer from inevitable dendrite growth. In light of this, silver nanoparticles (Ag NPs) are sputtered onto three-dimensional carbon nanotube decorated graphene foam (3D CNT-GF) to construct superior 3D Ag...

Metal‐organic frameworks (MOFs) have attracted considerable attention in numerous applications due to their large surface areas, tunable pore size, and chemical versatility. However, the performance of most MOFs and their related derivatives in applications are still hindered due to their unoptimized form. Hierarchical nano‐micromacropore MOF struc...

Solvation Structure Regulation In article number 2103231, Hui Ying Yang and co‐workers focus on a universal strategy to reshape zinc solvation structures via introducing carbonyl‐containing polar organic solvents. The NMP molecule is shown in the image as the key element. The background is an ocean, which corresponds to the aqueous environment. The...

Additive manufacturing, also known as three-dimensional (3D) printing technology, has recently emerged as a promising fabrication technology for a variety of applications with diverse complex architectures, as it allows for simple printing of desired pattern, fast prototyping, reduced fabrication process and low cost. As an important type of 3D pri...

Li metal anode holds great promise to realize high‐energy battery systems. However, the safety issue and limited lifetime caused by the uncontrollable growth of Li dendrites hinder its commercial application. Herein, an interlayer‐bridged three‐dimensional (3D) lithiophilic rGO‐Ag‐S‐CNT composite is proposed to guide uniform and stable Li plating/s...

K 0.8 Ti 1.73 Li 0.27 O 4 (KLTO) is an important titanium-based anode material for lithium-ion batteries (LIBs) and is expected to become an alternative to carbonaceous materials on account of its nontoxicity, low cost, and high safety performance. However, it suffers from poor specific capacity at high charge–discharge rates due to its low conduct...

Metal halide perovskites with efficient and stable self-trapped exciton emission have attracted considerable attention for next-generation solid-state lighting owing to their ultrabroadband emission. However, it remains challenging to widen the color gamut and realize high color-rendering index due to the lack of highly saturated red color-emitting...

Herein, a type of hypervalent iodine compound—iodosobenzene (PhIO)—is proposed to regulate the LiPSs electrochemistry and enhance the performance of Li‐S battery. PhIO owns the practical advantages of low‐cost, commercial availability, environmental friendliness and chemical stability. The lone pair electrons of oxygen atoms in PhIO play a critical...

The benefits of Zn, despite many of its performance advantages (e.g., high theoretical capacity and low redox potential), are compromised by severe side reactions and Zn dendrite growth in aqueous electrolytes, due to the coordinated H2O within the Zn²⁺‐solvation sheath and reactive free water in the bulk electrolyte. Unlike most efforts focused on...

Sodium metal anode has been attracting widely research attention due to its large capacity and low electrode potential as the anode of sodium-ion batteries. However, the uncontrollable growth of Na dendrite is one of the critical issues for its real applications. Herein, a three-dimensional (3D) nanostructure composed of gold nanoparticles (Au NPs)...

The stacking of Molybdenum Diselenide (MoSe2) nanomaterials as well as its poor intrinsic conductivity lead to sluggish water dissociation kinetics, which limit the performance of the alkaline hydrogen evolution reaction (HER). Herein, we constructed Nickel Hydroxide (Ni(OH)2)-MoSe2 heterostructures directly on 3D self-supporting carbon cloth (CC)...

Rechargeable sodium metal batteries are promising candidates for next-generation low-cost rechargeable batteries by virtue of the abundance and low cost of Na resources. However, safety issues caused by uncontrollable Na dendrites prevent its further development. Herein, we developed a three-dimensional (3D) printed nitrogen doped graphene aerogel...

Na metal anode has attracted increasing attentions as the anode of sodium ion batteries (SIBs) due to its high theoretical capacity, low redox potential and high abundance. However, the formation of uncontrollable Na dendrite during repeated plating/stripping cycles hinders its further development and application. Herein, a sodiophilic Na metal ano...

Employing an environmentally friendly and economical approach to significantly improve the electrocatalytic activity for hydrogen evolution reaction (HER) has attracted widespread attention because of its enormous value and challenge. Herein, we report a series of FeP nanorod arrays (FeP NRAs) with polypyrrole (PPy) shell coating on carbon textiles...

K metal is the optimal anode for K‐ion batteries because of its high capacity and low operating potential, but it suffers from fast capacity fading and safety issues due to an unstable solid electrolyte interphase (SEI) and continuous K‐dendrite growth. Herein, to obtain promising potassium‐metal batteries, a 3D polyvinyl‐alcohol (PVA)‐borax layer...

Sodium metal is one of the most promising anodes for sodium ion batteries (SIBs) owing to its high theoretical capacity, low redox potential, abundant content and low price. However, due to the high reactivity and infinite volume change of sodium metal, unstable SEI film and dendrite are formed during the repeated plating and stripping process, lea...

The design and construction of bifunctional electrocatalysts with high activity and durability is essential for overall water splitting. Herein, a unique 3D hierarchical NiMo3S4 nanoflowers with abundant defects and reactive sites were grown directly on carbon textiles (NiMo3S4/CTs) using a facile hydrothermal synthesis method. The defect-rich NiMo...

Inorganic indium‐based halide double perovskites (DPs) are environmentally friendly alternatives to lead‐based halide perovskites in light‐emitting diodes, but commonly suffer from low quantum efficiency and harsh synthesis conditions. Herein, a large‐scale green method using water as solvent is developed for the synthesis of 3D Cs2NaInCl6 and 0D C...

Lead‐free metal halides are promising luminescent materials with low non‐toxicity, tunable emission, and high luminescence quantum yield (PLQY). The development of red light‐emitting materials with high PLQY to meet the color coordinate requirements for light‐emitting diode (LED) lighting and wide color gamut displays remains a major scientific cha...

K metal is optimal anode for K ion batteries because of its high capacity and low operating potential, but it suffers from fast capacity fading and safety issue due to unstable solid electrolyte interphase (SEI) and continuous K dendrite growth. Herein, to obtain promising potassium metal batteries, a 3D PVA‐Borax layer is rational designed which e...

In this work, a nanocomposite composed of gold nanoparticles (NPs) supported by reduced graphene oxide (Au/rGO) is designed and synthesized via a simple chemical bath reaction method at room temperature followed by post annealing treatment. Au/rGO is further employed as the host of sodium metal anode with a dendrite free morphology, demonstrated by...

Two-dimensional (2D) 1T-phase transition metal dichalcogenides (TMDCs) have been considered as ideal candidate electrocatalysts compared to their 2H-phase counterpart. However, their practical applications are hugely limited by unsatisfactory yields and air instability. Here, we reported a simple and facile approach to fabricate large-area layer-tu...

Aqueous zinc‐ion batteries (AZIBs) are an appealing battery system due to their low cost, intrinsic safety and environmental friendliness, while their application is plagued by the obstacles from the cathode, electrolyte and zinc anode. Summarizing the design principles and strategies towards the optimization of cathode, electrolyte and zinc anode...

Detrimental lithium polysulfide (LiPS) shuttle effects and sluggish electrochemical conversion kinetics in lithium‐sulfur (Li‐S) batteries severely hinder their practical application. Separator modification has been extensively investigated as an effective strategy to address above issues. Nevertheless, in the case of functional separators, how to...

Although vanadium (V)-based sulfides have been investigated as cathodes for aqueous zinc-ion batteries (ZIBs), the performance improvement and the intrinsic zinc-ion (Zn2+) storage mechanism revelation is still challenging. Here, VS4@rGO composite with optimized morphology is designed and exhibits ultrahigh specific capacity (450 mA h g-1 at 0.5 A...

Owing to the favorable energy efficiency and environmental compatibility, capacitive deionization (CDI) has been greatly developed as a potential technology to overcome the ever-growing global water shortage. Herein, an effective and simple strategy is reported to boost the desalination performance by 30 percent through an expansion of interlayer s...

Li metal anode holds great promise to realize high-energy battery systems. However, the uncontrollable Li dendrites formation and infinite volume changes of Li severely hinder its practical applications. Herein, a 3D conductive carbon fibre with conformal lithiophilic Zn coating ([email protected]) is developed to guide uniform Li plating/stripping...

Silicon-based anodes with carbon materials as current collectors are promising for the fabrication of flexible lithium-ion batteries with high energy density due to the high specific capacity of silicon as well as the light weight and excellent flexibility of carbon materials. Currently it is still significant and challenging to develop new prepara...

Zinc sulfide (ZnS) exhibits promise in sodium-ion batteries (SIBs) because of its low operation voltage and high theoretical specific capacity. However, pristine ZnS is not adequate in realizing rapid and robust sodium storage owing to its low reversibility, poor structure stability, and sluggish kinetics. To date, most efforts focus on utilizing c...

Potassium-ion battery (KIB) is one of the emerging electrochemical energy storage technologies due to the abundance, low cost, and low redox potential of K. One of the most promising cathodes of KIBs is a layered vanadium-based compound, but it often suffers from fast capacity decay during repeated cycling. Herein, a K0.5V2O5/CNTs hybrid film compo...