The development of advanced electrolytes compatible with lithium metal and lithium-ion batteries is crucial for meeting ever growing energy storage demands. One such class materials, single-ion conducting polymer (SIPEs), prevents the formation ion concentration gradients buildup anions at electrode surface, improving performance. ongoing challenges SIPEs materials that are conductive enough to compete liquid electrolytes. Presented herein a gel based on crosslinked poly(tetrahydrofuran)...

Single-ion-conducting polymer electrolytes are attractive to use in lithium batteries as the transference number of cation approaches unity. This helps prevent concentration gradients across electrolyte, which can result dendrite formation. The addition ceramic particles at high loadings increase mechanical strength polymer, also help suppress Here, a single-ion-conducting electrolyte is blended with lithium-conducting oxide make composite electrolyte. studied comparison containing freely...

The magnesium–sulfur battery holds great promise for energy storage due to its high density and low cost of materials. Unfortunately, current Mg–S electrolytes are found enable severe self-discharge, leading poor shelf-life.

Initiated chemical vapor deposition provides the means to coat thin, conformal polymer films on high surface-area 3D architectures as well planar substrates.

Non-line-of-sight techniques are well suited for fabrication of thin and conformal solid-state electrolyte coatings, especially within three-dimensionally porous electrode architectures.

Substitution of vanadium into earth-abundant maghemite iron oxide introduces cation vacancies that increase Li+ storage capacity concomitant with a positive shift in its electrochemical potential. Expressing ferrite (VFe2Ox) as an aerogel offers opportunity to probe this inherently defective spinel from highly disordered (X-ray amorphous) nanocrystalline. To understand the redox sequence host cations, we use situ X-ray absorption near-edge spectroscopy (XANES) obtained using in-lab...

Solvent-free, single-ion conducting electrolytes are sought after for use in electrochemical energy storage devices. Here, we investigate the ionic conductivity and how this property is influenced by segmental mobility ion number crosslinked polyether-based with varying tethered anion counter-cation types. Crosslinked prepared polymerization of poly(ethylene glycol) diacrylate (PEGDA), methyl ether acrylate, monomers. The measured interpreted context differential scanning calorimetry Raman...

Cross-linked ionomer networks of varying poly(ethylene glycol) diacrylate cross-linker chain length, ionic comonomer chemistry, and ratio have been studied for their use as polysulfide shuttle inhibiting separators in magnesium–sulfur (Mg–S) batteries. Through the X-ray scattering, diffusion experiments, conductivity measurements, Mg–S cell cycling, it was determined that inclusion tethered anions polymer mitigates effect. Polysulfide crossover through into a bulk electrolyte can be reduced...

The development of polymer electrolytes for magnesium batteries has been hindered by difficulties related to achieving sufficient ion conduction and electrodeposition. high charge density the cation causes it interact with both polar matrix any counteranions, challenging transport. Solvents salts that are known be incompatible electrode have widely used in prior reports increase ionic conductivity. Herein we report use a single-ion conducting gel electrolyte consisting poly(ethylene glycol)...

From the standpoint of material diversification and sustainability, development so-called “beyond lithium-ion” battery chemistries is important for future energy storage. Na, K, Ca are promising as basis in that these elements highly abundant. Here, a series single-ion conducting polymer electrolytes (SIPEs) batteries synthesized investigated. The two classes metal cation neutralized SIPEs compared crosslinked poly(ethylene glycol) dimethacrylate-x-styrene sulfonate (PEGDMA-SS)...

Rechargeable magnesium sulfur (Mg/S) batteries suffer from fast capacity fading, because of the difficulty with reoxidation MgS and polysulfide shuttle. Other works have reported that use Cu current collectors at cathode improves cyclability. Here, we investigate nanoparticles grown on carbon nanofibers (Cu@CNF) as an additive for Mg/S battery to test effects metal rate performance controlled loading. The additives can operate 1 C a 452 mAh/g after 100 cycles. It was confirmed via X-ray...

To improve the energy density of lithium-ion batteries, development advanced electrolytes with enhanced transport properties is highly important. Here, we show that by confining conventional electrolyte (1 M LiPF6 in EC-DEC) a microporous polymer network, cation transference number increases to 0.79 while maintaining an ionic conductivity on order 10−3 S cm−1. By comparison, non-porous, condensed same chemistry has lower and conductivity, 0.65 7.6 × 10−4 cm−1, respectively. Within...

In the study, we assessed effect on performance and health of a single injection inorganic Se prepartum or feeding chicory silage organic supplementation during peripartum in ewes. Approximately one month before lambing, 45 pregnant Polypay ewes were moved into pens randomly assigned to 5 groups be fed either grass supplemented not with 3.6 mg Se/day as selenium yeast given Na-selenite. Daily dry matter intake (DMI), water intake, milk production components, blood metabolic, immune...

A major goal of next-generation battery development is the engineering nonflammable solid-state electrolytes with high enough ionic conductivity to compete traditional liquid electrolytes. Composite polymer (CPEs), which combine inorganic fillers or a matrix, are seen as strategy boost flexible while overcoming brittle aspect In this work, we examine impact backbone chemistry on Li+ ion conduction within crosslinked single-ion conducting gel (SIPEs) that contain lithium ion-conducting glass...

Solid-state magnesium-ion conductors are desired for next-generation battery applications. Here we investigate magnesium conducting polymer electrolytes produced through dual cation exchange of a poly(ionic liquid) by mixing 1-butyl-3-methylimidazolium poly[4-styrenesulfonyl(trifluoromethanesulfonyl)imide] (BMIPSTFSI) with the magnesiated analogue Mg(PSTFSI)2. An ionic conductivity 8.6 × 10–5 S cm–1 at 80 °C was achieved liquid), and did not significantly decrease content up to 5 mol %...

The Mg-S battery suffers from the slow Mg2+ diffusion rate in solid discharge products (MgS2, MgS). A possible solution to this problem is Mg-polysulfide flow battery. formation of could potentially be avoided with a high voltage cut-off for process, instead producing soluble magnesium polysulfides (MgSx). Here, feasibility investigated, and low active material utilization lack reversibility found. Moreover, MgSx solutions used are found unstable. UV–vis spectra collected on these indicate...

The stabilization of the highly reactive Li metal/electrolyte interface is one critical challenges limiting practical implementation metal batteries. Specifically, "anode-free″ battery configurations offer unprecedented energy density but suffer from inhomogeneous and irreversible plating stripping at Cu/electrolyte interface. In this work, we employ initiated chemical vapor deposition (iCVD) to passivate Cu current collectors with a thin-film polymer,...

Solvent-free, single-ion conducting electrolytes are sought after for use in electrochemical energy storage devices. Here, we investigate the ionic conductivity and how this property is influenced by segmental mobility ion number crosslinked polyether-based with varying tethered anion counter-cation types. Crosslinked prepared polymerization of poly(ethylene glycol) diacrylate (PEGDA), methyl ether acrylate, monomers. The measured interpreted context differential scanning calorimetry Raman...

Metal-sulfur batteries are a promising next-generation energy storage technology, offering high theoretical densities with low cost and good sustainability. An active area of research is the development electrolytes that address unwanted migration sulfur intermediate species known as polysulfides during operation metal-sulfur batteries, phenomenon leads to efficiency short life-spans. A particular class electrolytes, gel polymer especially attractive for their ability repel on basis...

In this study, the effect of polymer morphology on chain packing and physical gas transport properties was explored via creation study three polysulfone copolymer membranes─a random copolymer, 15k–15k (g/mol) multiblock blend─each containing a 50:50 mol equiv triptycene phenolphthalein bridging units. These polysulfones with varied morphologies were directly compared to each other, as well their relevant triptycene- phenolphthalein-based homopolymer counterparts. Each equivalent amounts...

Synthesis of lithium-rich iron sulfide is achieved through redox-mediated chemical lithiation pyrite FeS 2 .

Recently, we reported on the synthesis and performance of a cross-linked single-anion-conducting solid-state electrolyte (SSE) based quaternized poly(dimethylaminomethylstyrene) (pDMAMS+) via initiated chemical vapor deposition (iCVD). In homopolymer pDMAMS+-based SSE, cross-linking occurs at positively charged ammonium cation sites, hindering ion transport conductivity. To improve ionic conductivity, now report copolymer system, comprising DMAMS divinylbenzene (DVB). Incorporating DVB moves...