Category: 143-24-8

Li, Yaqi published the artcileFormation of an Artificial Mg2+-Permeable Interphase on Mg Anodes Compatible with Ether and Carbonate Electrolytes, Synthetic Route of 143-24-8, the main research area is magnesium ion battery anode ether carbonate electrolyte; TFSI− containing electrolyte; X-ray photoelectron spectroscopy (XPS); artificial SEI layer; carbonate electrolyte; ether electrolyte; magnesium batteries; near-edge X-ray absorption fine structure (NEXAFS); passivation layer.

Rechargeable Mg-ion batteries typically suffer from either rapid passivation of the Mg anode or severe corrosion of the current collectors by halogens within the electrolyte, limiting their practical implementation. Here, we demonstrate the broadly applicable strategy of forming an artificial solid electrolyte interphase (a-SEI) layer on Mg to address these challenges. The a-SEI layer is formed by simply soaking Mg foil in a tetraethylene glycol di-Me ether solution containing LiTFSI and AlCl3, with Fourier transform IR and UV-visible spectroscopy measurements revealing spontaneous reaction with the Mg foil. The a-SEI is found to mitigate Mg passivation in Mg(TFSI)2/DME electrolytes with sym. cells exhibiting overpotentials that are 2 V lower compared to when the a-SEI is not present. This approach is extended to Mg(ClO4)2/DME and Mg(TFSI)2/PC electrolytes to achieve reversible Mg plating and stripping, which is not achieved with bare electrodes. The interfacial resistance of the cells with a-SEI protected Mg is found to be two orders of magnitude lower than that with bare Mg in all three of the electrolytes, indicating the formation of an effective Mg-ion transporting interfacial structure. X-ray absorption and photoemission spectroscopy measurements show that the a-SEI contains minimal MgCO3, MgO, Mg(OH)2, and TFSI-, while being rich in MgCl2, MgF2, and MgS, when compared to the passivation layer formed on bare Mg in Mg(TFSI)2/DME.

ACS Applied Materials & Interfaces published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Synthetic Route of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Meng, Jintao published the artcileA Stirred Self-Stratified Battery for Large-Scale Energy Storage, Safety of 2,5,8,11,14-Pentaoxapentadecane, the main research area is large scale energy storage self stratified battery fabrication.

Large-scale energy storage batteries are crucial in effectively utilizing intermittent renewable energy (such as wind and solar energy). To reduce battery fabrication costs, we propose a minimal-design stirred battery with a gravity-driven self-stratified architecture that contains a zinc anode at the bottom, an aqueous electrolyte in the middle, and an organic catholyte on the top. Due to the solubility difference, the pos. redox species are strictly confined to the upper organic catholyte. Thus, self-discharge is eliminated, even when the battery is stirred to realize high-rate charge-discharge. Moreover, the battery intrinsically avoids electrode deterioration and failure related to membrane crossover suffered by other types of cells. Therefore, it exhibits excellent cycling stability, which is promising for long-term energy storage.

Joule published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Safety of 2,5,8,11,14-Pentaoxapentadecane.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Zhang, Yi-Nan published the artcileSacrificial Co-solvent Electrolyte to Construct a Stable Solid Electrolyte Interphase in Lithium-Oxygen Batteries, HPLC of Formula: 143-24-8, the main research area is cosolvent electrolyte solid interphase lithium oxygen battery; Li-O2 battery; MeIM; co-solvent; sacrificial electrolyte; solid electrolyte interphase.

Lithium-oxygen batteries are vital devices for electrochem. energy storage. The electrolyte is a crucial factor for improving battery performance. The high reactivity of lithium metal induces side reactions with organic electrolytes, thus leading to an unstable interface between the anode and electrolyte and poor performance of batteries. In this work, to compensate for the above shortcomings, 1-methylimidazole (MeIm) is introduced to the tetraethylene glycol di-Me ether (TEGDME) electrolyte to form the TEGDME/MeIm co-solvent electrolyte. Because of the high donor number value of MeIm, the solution-based pathway of discharge products can be triggered. Compared with the single TEGDME electrolyte, the discharge capacity with the TEGDME/MeIm co-solvent electrolyte is increased by more than 2 times. Moreover, the TEGDME/MeIm co-solvent electrolyte can promote the dissociation of Li salt due to the high dielec. constant of MeIm and thus make up for the shortcomings of TEGDME. In addition, due to the lower energy than the LUMO (LUMO) level of TEGDME, MeIm is decomposed preferentially, and a dense solid electrolyte interphase (SEI) layer is constructed. Then, the decomposition of TEGDME is suppressed. Therefore, the cycle performance of the battery with the TEGDME/MeIm co-solvent electrolyte is 18 times compared to that with the single TEGDME electrolyte.

ACS Applied Materials & Interfaces published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, HPLC of Formula: 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Nishioka, Kiho published the artcileN,N-Dimethylethanesulfonamide as an Electrolyte Solvent Stable for the Positive Electrode Reaction of Aprotic Li-O2 Batteries, Computed Properties of 143-24-8, the main research area is dimethylethanesulfonamide electrolyte solvent pos electrode lithium oxygen battery.

The realization of secondary lithium-oxygen batteries (Li-O2 batteries, LOBs) with large gravimetric energy d. requires the development of an innovative electrolyte with high chem. stability that allows the charge-discharge reaction to proceed with low overvoltage. In this study, we evaluated the potential of an electrolyte solvent, N,N-dimethylethanesulfonamide (DMESA) with a sulfonamide functional group, at a c.d. of 0.4 mA cm-2 and a capacity of 4 mA h cm-2. The voltage at which CO2 was generated during charging was substantially higher than that of a tetraglyme (G4)-based electrolyte with redox mediators, which is one of the standard electrolytes used for LOBs. Experiments using a 13C-containing pos. electrode revealed that CO2 generated during charging mainly originated from the decomposition of the pos. electrode. The analyses of the charging profile in conjunction with differential electrochem. mass spectrometry suggested the formation of highly degradable lithium peroxide (Li2O2) in the DMESA-based electrolyte. The formation of highly degradable Li2O2 enables a reduction of the charging voltage, leading to further suppression of the electrolyte decomposition

ACS Applied Energy Materials published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Computed Properties of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Zhu, Mingjun published the artcileDirect Observation of Solvent Donor Number Effect on Lithium-Oxygen Battery Capacity via a Nanoarray Cathode Model, SDS of cas: 143-24-8, the main research area is binary solvent effect lithium oxygen battery nanoarray cathode capacity.

The solvent properties are critical factors that strongly influence the capacities and cycle lives of lithium-oxygen (Li-O2) batteries. In previous studies of solvent effects, disk electrodes are prototypes far from practical application while practical composite electrodes are interfered by additives. Herein, we propose MnO2 nanoarrays as a cathode model to directly observe the effect of the tunable donicity of DMSO (DMSO)-tetra (ethylene glycol) di-Me ether (G4) binary solvent. The facilely prepared MnO2 nanoarrays on carbon clothes not only mimic carbon-supported catalysts but also provide an open architecture that helps distinguish discharge products from complex electrodes without further characterizations. Using nanoarray models, this work directly observes the morphologies of discharge products that gradually evolve from conformal films to toroid-like particles with the increase in the DMSO ratio in the binary solvents. Thus, the Li-O2 battery capacities are proportional to the donicities of the binary solvents. However, the reactive solvent that provides high donicity greatly deteriorates the cycle performance. A compromise should be achieved between capacity and stability when tuning the donicity of the binary solvent. The novel nanoarray model and fundamental findings in this work will further help the electrolyte optimization for Li-O2 batteries.

Journal of Physical Chemistry C published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, SDS of cas: 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Ito, Kimihiko published the artcileOperando Br K-Edge Dispersive X-ray Absorption Fine Structure Analysis for Br-/Br3- Redox Mediator for Li-Air Batteries, Application In Synthesis of 143-24-8, the main research area is dispersive X ray absorption structure analysis bromine redox mediator; bromine redox mediator lithium air secondary battery capacity.

The behavior of Br-/Br3- redox mediator (RM), which has been shown to suppress charging overpotential in lithium-air batteries, has been detected for the first time using operando Br K-edge dispersive X-ray absorption fine structure. Br3- ions in the electrolyte increase monotonically after ∼ 30% charging, which indicates that a part of Br3- formed via the oxidation of Br- during charging does not oxidize Li2O2 as RM but gets accumulated in the cell. The accumulated Br3- is estimated at ∼ 20% of the total amount of charging. Consistent with this result, the O2 evolution efficiency gradually decreases from the initial 100% as the charging progresses, and CO2 is emitted at the end of the charging. The integrated amount of O2 evolution during charging accounts for ∼ 83% of the theor. two-electron reaction. All these results clearly show that the Br-/Br3- RM functions effectively at the beginning of charging but gradually loses its function as charging proceeds.

ACS Energy Letters published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Application In Synthesis of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Singh, Rajkumar published the artcileIon-transport behavior in tetraethylene glycol dimethyl ether incorporated sodium ion conducting polymer gel electrolyte membranes intended for sodium battery application, Application In Synthesis of 143-24-8, the main research area is tetraethylene glycol dimethyl ether polymer gel electrolyte membrane battery.

In this paper, ion-transport behavior in poly(Me methacrylate) based sodium-ion conducting polymer gel electrolyte membranes containing sodium triflate salt dissolved in tetraethylene glycol di-Me ether (TEGDME) mol. liquid has been investigated by electrochem. impedance spectroscopy and other electrochem. ion-transport studies. The optimized polymer gel electrolyte membrane with 40 wt% TEGDME concentration offers a RT ionic conductivity of 3.6 x 10-3 S cm-1. The ion-transport behavior has been probed in wide range of frequency with the help of conductivity, dielec. and modulus studies. The structural studies reveal that the optimized electrolyte offers a porous structure with very low average roughness height of ∼10μm. The optimized flexible electrolyte membrane with an electrochem. stability window of ∼4.4 V and sodium ion transport number close to 0.37 remains stable in the gel phase up to 150°C. A proto-type RT Na-S battery utilizing the optimized electrolyte membrane display a stable open circuit potential of 2.24 V and delivers first discharge capacity as ∼677 mA h g-1.

Journal of Molecular Liquids published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Application In Synthesis of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Lee, Pui Lap Jacob published the artcileEtched ion-track membranes as tailored separators in Li-S batteries, Application In Synthesis of 143-24-8, the main research area is lithium sulfur ion track membrane battery separator; PET; battery separator; etched ion track membrane; lithium–sulfur battery; polyethylene terephthalate; polysulfide redox shuttle.

Lithium-sulfur (Li-S) batteries are considered a promising next generation alternative to lithium-ion batteries for energy storage systems due to its high energy d. However, several challenges, such as the polysulfide redox shuttle causing self-discharge of the battery, remain unresolved. In this paper, we explore the use of polymer etched ion-track membranes as separators in Li-S batteries to mitigate the redox shuttle effect. Compared to com. separators, their unique advantages lie in their very narrow pore size distribution, and the possibility to tailor and optimize the d., geometry, and diameter of the nanopores in an independent manner. Various polyethylene terephthalate membranes with diameters between 22 and 198 nm and different porosities were successfully integrated into Li-S coin cells. The reported coulombic efficiency of up to 97% with minor reduction in capacity opens a pathway to potentially address the polysulfide redox shuttle in Li-S batteries using tailored membranes.

Nanotechnology published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Application In Synthesis of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Wan, Hao published the artcileA Friendly Soluble Protic Additive Enabling High Discharge Capability and Stabilizing Li Metal Anodes in Li-O2 Batteries, Application of 2,5,8,11,14-Pentaoxapentadecane, the main research area is soluble protic electrolyte additive lithium oxygen battery anode.

Promoting the solution phase formation of Li2O2 rather than on the cathode surface is a key issue for high-performance Li-O2 batteries. Protic additives have been reported to guide the discharge of Li2O2 in the electrolyte solution, while further advances are stalled by the intrinsical reactivity to Li metal to deteriorate the lifespan of Li-O2 batteries. Herein, rhodamine B (RhB), a protic additive, is first introduced into electrolyte as a phase-transfer catalyst to achieve solution phase formation of Li2O2. The yield of Li2O2 is 90.79%, and the discharge capacity is 46 000 mAh gcarbon-1 at c.d. of 1000 mA gcarbon-1, which is 23-fold higher than that of blank electrolyte. D. functional theory calculations further demonstrate the feasibility of RhB to boost solution phase discharge. Most notably, the free chlorine ion in RhB assists the in situ formation of a stable Li+-conducting solid electrolyte interphase to protect Li anode from corrosion and dendrite formation during cycling. As a result, Li||Li sym. cells exhibit a long cycle performance up to 1300 h at 1 mA cm-2 with low hysteresis voltage. Benefiting from the above results, Li-O2 batteries with RhB present long cycle stability.

Advanced Functional Materials published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Application of 2,5,8,11,14-Pentaoxapentadecane.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Lim, Hyung-Seok published the artcileStable Solid Electrolyte Interphase Layer Formed by Electrochemical Pretreatment of Gel Polymer Coating on Li Metal Anode for Lithium-Oxygen Batteries, Product Details of C10H22O5, the main research area is solid electrolyte interphase layer gel polymer coating lithium battery.

Lithium-oxygen (Li-O2) batteries exhibit the highest theor. specific energy d. among candidates for next-generation energy storage systems, but the instabilities of Li metal anode (LMA), air electrode, and electrolyte largely limit the practical applications of these batteries. Herein, we report an effective method to protect the LMA against side reactions between the LMA and the crossover contaminants such as highly reactive oxygen moieties. A solid electrolyte interphase (SEI) layer rich in inorganic components is formed on the LMA coated with poly(ethylene oxide) thin film through an in situ electrochem. precharging step under oxygen atm. This uniformly distributed SEI layer interacts with the flexible polymer matrix and forms a submicrometer-sized gel-like polymer layer. This polymer-supported SEI layer leads to much longer cycle life (130 vs 65 cycles) as compared to that of pristine cells under the same testing conditions. It is also very effective to stabilize the LMA/electrolyte interphase with a redox mediator.

ACS Energy Letters published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Product Details of C10H22O5.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem