Lithium-metal anodes are recognized as the most promising next-generation for high-energy-storage batteries. However, lithium dendrites lead to irreversible capacity decay in lithium-metal batteries (LMBs). Besides, strict assembly-environment conditions of LMBs regarded a challenge practical applications. In this study, workable anode with an artificial hybrid layer composed polymer and alloy was designed prepared by simple chemical-modification strategy. Treated remained dendrite-free over...

Abstract Highly concentrated electrolytes (HCEs) significantly improve the stability of lithium metal anodes, but applications are often impeded by their limitation density, viscosity, and cost. Here, fluorobenzene (FB), an economical hydrocarbon with low density is demonstrated as a bifunctional cosolvent to obtain novel FB diluted highly electrolyte (FB‐DHCE). First, addition suppresses decomposition dimethoxyethane (DME) on Li strengthening interactions DME FSI − around + . Second,...

Li metal batteries have recently attracted extensive attention due to the pursuit of high-energy-density for electric vehicles. However, safety and low cycling Coulombic efficiency (CCE) hinder development high-energy secondary high reactivity with present electrolytes. Here, we investigate reductive stability nonflammable electrolytes a wide salt solvent ratio range demonstrate that an ion–solvent-coordinated (ISC) electrolyte–lithium bis(fluorosulfonyl)imide (LiFSI)-triethylphosphate (TEP)...

Abstract The advancements of lithium‐ion batteries indubitably call for advanced electrolytes with superior environmental adaptability and long‐term stability. Propylene carbonate (PC) proves to be a competitive solvent the high permittivity wide‐liquid range, while application is intrinsically hindered by poor graphite compatibility viscosity. Here, PC‐based electrolyte wide‐temperature range developed tuning strength topology Li + ‐PC interactions via non‐solvating without altering...

Abstract While recent work demonstrates the advantages of weakly solvating solvents in enhancing cyclability LMBs, both new designs and design strategies for high performance solvent, especially physicochemical properties, are still lacking. Here, we propose a molecular to tune power properties non‐fluorinated ether solvent. The resulting cyclopentylmethyl (CPME) have weak wide liquid‐phase temperature range. By optimizing salt concentration, CE is further promoted 99.4 %. Besides, improved...

Abstract Lithium‐ion batteries (LIBs) have monopolized energy storage markets in modern society. The reliable operation of LIBs at cold condition (<0°C), nevertheless, is inevitably hampered by the sluggish kinetics and parasite reactions, which falls behind increasing demands for portable electronics electric vehicles. electrolyte controls both Li + transport interfacial reaction, dictating low‐temperature performance substantially. Therefore, rational formulation electrolytes...

The pairing of lithium metal anode (LMA) with Ni-rich layered oxide cathodes for constructing batteries (LMBs) to achieve energy density over 500 W h kg−1 receives significant attention from both industry and the scientific community. However, notorious problems are exposed in practical conditions, including lean electrolyte/capacity (E/C) ratio (<3 g (A h)−1), high cathode mass loading (>3 mA cm−2), low negative/positive (N/P) (<3), which creates a disparity between current performance LMBs...

No pressure: The oxidation of aromatic CH bonds at room temperature was realized through a copper-catalyzed "oxygenase-type" arenes and heteroarenes in the presence air (see scheme). reaction involves an oxygen-atom transfer from O2 onto substrates. Detailed facts importance to specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by authors. Please note: publisher is responsible for content...

Sodium‐ion batteries are now considered as a low‐cost alternative to lithium‐ion technologies for large‐scale energy storage applications; however, their safety is still matter of great concern practical applications. In this paper, safer sodium‐ion battery proposed by introducing nonflammable phosphate electrolyte (trimethyl phosphate, TMP) coupled with NaNi 0.35 Mn Fe 0.3 O 2 cathode and Sb‐based alloy anode. The physical electrochemical compatibilities the TMP investigated igniting, ionic...

Abstract Through the use of [Ru(bpy) 3 Cl 2 ] (bpy=2,2′‐bipyridine) and [Ir(ppy) (ppy=phenylpyridine) as photocatalysts, we have achieved first example visible‐light photocatalytic radical alkenylation various α‐carbonyl alkyl bromides benzyl to furnish α‐vinyl carbonyls allylbenzene derivatives, prominent structural elements many bioactive molecules. Specifically, this transformation is regiospecific can tolerate primary, secondary, even tertiary halides that bear β‐hydrides, which be...

Abstract Dual‐carbon batteries provide a new perspective on energy storage technology due to their high voltage and low cost. Herein, novel Na + ‐based dual‐carbon battery (Na ‐DCB) is developed based nonflammable trimethyl phosphate (TMP) electrolyte with sodium bis(trifluoromethanesulfonate)imide salt (NaTFSI). As the molar ratio of NaTFSI/TMP increases 1:2, graphite cathode shows reversible capacity 52.9 mAh g −1 , excellent rate capability (21.0 at 2000 mA ) superstability cycling...

Abstract Developing nonflammable electrolyte with a wide electrochemical window has become an urgent demand for high‐energy‐density and high‐safe lithium‐ion batteries (LIBs). Herein, fluorinated phosphate is developed to construct safe 4.5 V‐class LIB (Si‐SiC‐C/0.35Li 2 MnO 3 ·0.65LiNi 0.5 Mn O ). The proposed electrolyte, 0.8 M LiPF 6 /tris(2,2,2‐trifluoroethyl) (TFEP) + 5 vol% fluoroethylene carbonate (FEC) vinylene (VC), not only completely but also exhibits excellent oxidative/reductive...

Practical applications of lithium metal anodes are gravely impeded by inhomogeneous deposition, which results in dendrite growth. Electrolyte additives proven to be effective improving performance but usually serve only a single function. Herein, nitrofullerene is introduced as bifunctional additive with smoothing effect and forms protective solid electrolyte interphase (SEI) layer on stable anodes. By design, nitro-C60 can gather electrode protuberances via electrostatic interactions then...

Room temperature (RT) sodium–sulfur batteries suffer from slow reaction kinetics and polysulfide dissolution, resulting in poor performance. Sulfurized polyacrylonitrile is a unique sulfur cathode which suggested to involve only S3–4 shows high specific capacity. Herein, the designed Te0.04S0.96@pPAN with 4 mol % Te used as eutectic accelerator exhibits significantly enhanced excellent utilization, leading performance RT Na–S battery. delivers capacities of 1236 629 mA h g–1 1111 601 at 0.1...

An ultrathick lithium metal anode (LMA) is a prerequisite for developing practical lithium-sulfur (Li-S) batteries that simultaneously meet the requirements of high areal capacity, lean electrolyte, and limited excess Li. Inspired by electrochemical process an organosulfur cathode, herein, we reconfigure such sulfur cathode using overlithiation strategy to enable formation performance LMA. Specifically, applicable LMA successfully constructed overlithiating well-known material, sulfurized...

A dipole–dipole interaction model, in which the non-solvents weaken Li + -solvents’ strength, facilitating desolvation and thus ameliorating graphite compatibility, is developed to expedite electrolyte innovation LIBs.

The design of solid polymer electrolytes (SPE) with high ionic conductivity and excellent mechanical properties is challenging because these two are often conflicting. To achieve both, a reaction-controlled strategy proposed based on the nanophase separation an transport pathway supporting matrix to balance mobility properties. Specifically, elastic epoxy electrolyte (eEPE), synthesized via two-step polymerization, combines outstanding strength (toughness 3.4 MJ m–3) (3.5 × 10–4 S cm–1 at 25...

High energy density and low cost made lithium–sulfur (Li–S) batteries appealing for the next‐generation storage devices. However, their commercial viability is seriously challenged by serious polysulfide shuttle effect, sluggish sulfur kinetics, uncontrollable dendritic Li growth. Herein, a dual‐functional electrolyte additive, diphenyl ditelluride (DPDTe) reported Li–S battery. For cathodes, DPDTe works as redox mediator to accelerate kinetics of sulfur, in which Te radical‐mediated...

Abstract Fluorinated solvents emerge as a promising strategy to improve performance of lithium metal batteries (LMBs). However, most them are prone produce corrosive HF and deteriorate electrode interface, inducing cathode‐to‐anode detrimental crossover transition metal‐ions. Here, fluorinated aromatic hydrocarbons in dimethyl carbonate (DMC)‐based diluted highly concentrated electrolyte (DHCE) employed juggle formation LiF, enabling stable cycling high‐voltage LiNi 0.7 Co 0.1 Mn 0.2 O 2...