One important approach to access safe and high-energy batteries is develop Li metal-based high-voltage with a solid polymer electrolyte (SPE). However, it notably difficult construct such systems owing the simultaneous occurrence of dendrite formation on anode severe oxidative decomposition against cathodes. We here synthesize new family main-chain fluorinated electrolytes (MCF-SPEs) that are compatible both metal Taking advantage synergistic weakly solvating capability outstanding stability...

Abstract Solid polymer electrolytes (SPEs) that can offer flexible processability, highly tunable chemical functionality, and cost effectiveness are regarded as attractive alternatives for liquid (LE) to address their safety energy density limitations. However, it remains a great challenge SPEs stabilize Li + deposition at the electrolyte–electrode interface impede lithium dendrite proliferation compared with LE‐based systems. Herein, design of solid‐state fluorinated bifunctional SPE...

Topology influences the properties and applications of polymers. Consequently, considerable efforts have been made to control topological structures. In this work, we developed a photoorganocatalyzed divergent synthetic approach based on reversible-deactivation radical polymerization (RDRP) that enables preparation both linear branched fluoropolymers low dispersity (Ð), tunable degree branching high chain-end fidelity by exposure LED light irradiation under metal-free conditions. This method...

Dendrite growth on electrode-electrolyte interphase has severely limited applications of lithium metal batteries (LMBs). Here, we developed an ionic alternating polymer with fluorocarbons and phosphonium cations in repeating units to regulate Li deposition for the first time. The combined functionalities F/P hybrid exhibit remarkable characteristics as a protective layer top anode, demonstrating outstanding electrochemical stability, ion flux redistributing capability adaptive chain...

Fabrication of lithium-ion batteries that operate from room temperature to elevated temperatures entails development and subsequent identification electrolytes electrodes. Room ionic liquids (RTILs) can address the thermal stability issues, but their poor conductivity at compatibility with traditional graphite anodes limit practical application. To these challenges, we evaluated novel high energy density three-dimensional nano-silicon electrodes paired 1-methyl-1-propylpiperidinium...

The synthesis and characterization of a degradable version poly(acrylic acid), poly(glyceric acid carbonate), are reported. Specifically, atactic isotactic poly(benzyl glycidate carbonate)s obtained via the ring-opening copolymerization rac-/(R)-benzyl with CO2 using bifunctional rac-/(S,S)-cobalt salen catalyst in high carbonate linkage selectivity (>99%) polymer/cyclic (∼90%). Atactic carbonate) is an amorphous material Tg (glass transition temperature) 44 °C, while its counterpart...

The first site-selective methodology for the construction of fused [1,2-<italic>a</italic>]indolone derivatives<italic>via</italic>an unexpected anti-Nenitzescu strategy has been developed.

A supercapacitor with a piperidinium ionic liquid and an LiTFSI electrolyte operates for 10 000+ cycles at 100 °C.

Abstract High‐voltage lithium‐metal batteries (LMBs) are promising for energy storage applications but suffer from poor electrochemical window of solid polymer electrolytes (SPEs), which difficult to achieve via a single polymeric functionality. Herein, hybrid Si/F‐based 3D network is reported bearing polysiloxane backbone with fluorinated pendants tune the highest occupied molecular orbital (HOMO)/the lowest unoccupied LUMO energies, thermodynamically expanding intrinsic electrolyte (SPE)....

Lithium metal battery cycling at 100 °C is enabled by thermally-responsive, nonflammable phosphonium ionic liquid electrolytes.

The synthesis and characterization of linear poly(ether 1,2-glycerol carbonate)s derivatized with pendant butyl, octyl, or stearyl tethers are reported. polymers obtained via the ring-opening copolymerization stearic glycidyl ethers carbon dioxide using [rac-SalcyCoIIIDNP] catalyst bearing a quaternary ammonium salt. Synthesized were characterized by 1H 13C NMR spectroscopy, FT-IR, gel permeation chromatography (GPC), differential scanning calorimetry (DSC), rheometry. Polymers controlled...

Controlling the structure and chemistry of solid electrolyte interphase (SEI) underpins stability electrolyte-electrode interface, is crucial for advancing rechargeable lithium metal batteries (LMBs). Here, we utilized photo-controlled copolymerization to achieve on-demand synthesis fluorosulfonyl fluoropolymers as unprecedented artificial SEI layers on Li anodes. This work not only enables instant formation a hybrid polymer-inorganic that consists polymer-enriched top layer LiF-fortified...

A nanoporous MOF-laden polymer electrolyte mediated by an electronic effect shows remarkably high lithium electrodeposition stability over 1500 h and minimum polarization.

Along with high power capability and energy density, long cycle life is regarded an essential performance requirement for storage devices. The rapid capacitance decline of conducting polymer-based electrodes remains a major technical challenge precludes their practical applications in supercapacitors. In this work, polyaniline (PANI) network synthesized

Abstract The electrolyte stability under high‐voltage conditions considerably limits the upper cut‐off potential of solid‐state electrolytes (SSEs) and therefore energy density all‐solid‐state batteries (ASSBs). In this work, metal‐organic frameworks (MOFs) were fluorinated to lower level HOMO orbital allow access a 4F‐MOF that exhibit enhanced anodic stability. composited 4F‐MOF/PEO could not only transport Li + ions in ordered framework channels, but also provide remarkable up 5.0 V,...

The poor electrochemical stability window and low ionic conductivity in solid-state electrolytes hinder the development of safe, high-voltage, energy-dense lithium metal batteries. Herein, taking advantage unique electronic effect nitrile groups, we designed a novel azanide-based single-ion covalent organic framework (CN-iCOF) structure that possesses effective Li

Abstract Supramolecular structures assembled via noncovalent interactions have found diverse applications in mechanical, biological, electronic, and manufacturing‐related fields. Ionic represent key interactions, which can be used, for example, to create highly ordered, responsive, conductive, reversible, and/or viscoelastic supramolecular assemblies. The recent advances the field of ionic assemblies, including those prepared from polymers, small molecules, or a combination two are reviewed....

Thin solid polymer electrolytes (SPEs) with good processability, improved room-temperature ionic conductivity, and better interfacial compatibility are urgently needed to develop solid-state batteries without safety leakage issues. In-built electrolyte polymerization has emerged as a novel effective platform obtain such electrolytes. However, existing in-built methods usually involve heat, UV, γ irradiation, so forth initiate the often require addition of solvents avoid concentrated active...

Solid polymer electrolytes (SPEs) with high ion conduction and interfacial stability are crucial for advancing high-performance solid-state batteries. While tuning weak solvation structures shows promise in enhancing stability, it remains challenging to concurrently achieve Li+ conductivity. Herein, we introduce a single-ion polymer-in-salt (SIP-in-salt) electrolyte, which not only provides additional charge carriers enhanced salt compatibility via an ionic backbone but also forms nanometric...