Fluorine flow battery
Our products revolutionize energy storage solutions for base stations, ensuring unparalleled reliability and efficiency in network operations.
A series of aromatic proton exchange membranes (PAES-4S-xx) with tetrasulfonated side alkyl chains in repeated structural units are conveniently prepared by two-step reaction using 3,3′-(3″-aminophenyl)-4,4′-difluorodiphenylsulfone (2NH 2-DFDPS), 4,4′-difluoro-diphenylsulfone, 4,4′-dihydroxybiphenyl and sodium 2-bromoethyl sulfonate …
Preparation and properties of sulfonated poly (aryl ether sulfone)s proton exchange membranes based on amino graft for vanadium flow battery ...
A series of aromatic proton exchange membranes (PAES-4S-xx) with tetrasulfonated side alkyl chains in repeated structural units are conveniently prepared by two-step reaction using 3,3′-(3″-aminophenyl)-4,4′-difluorodiphenylsulfone (2NH 2-DFDPS), 4,4′-difluoro-diphenylsulfone, 4,4′-dihydroxybiphenyl and sodium 2-bromoethyl sulfonate …
Fluorine-Containing Branched Sulfonated Polyimide Membrane …
DOI: 10.1002/CELC.201801070 Corpus ID: 104665242; Fluorine-Containing Branched Sulfonated Polyimide Membrane for Vanadium Redox Flow Battery Applications @article{Yang2018FluorineContainingBS, title={Fluorine-Containing Branched Sulfonated Polyimide Membrane for Vanadium Redox Flow Battery Applications}, …
Thin Reinforced Ion-Exchange Membranes Containing Fluorine …
In this work, we developed pore-filled ion-exchange membranes (PFIEMs) fabricated for the application to an all-vanadium redox flow battery (VRFB) by filling a hydrocarbon-based ionomer containing ...
A fluorinated cation introduces new interphasial chemistries
An electrolyte carrying fluorine in both cation and anion brings unprecedented interphasial chemistries that translate into superior battery performance …
New-type high-energy lithium-fluoride batteries developed
Lithium metal batteries based on Li metal anodes coupled with conversion-type cathodes have emerged to meet the demands of next-generation energy storage technology for …
Fluorine-Free Electrolytes for Lithium and Sodium Batteries
Fluorine‐Free Electrolytes for Lithium and Sodium Batteries
High-energy and low-cost membrane-free chlorine flow battery
The chlorine flow battery can meet the stringent price and reliability target for stationary energy storage with the inherently low-cost active materials …
Material design and engineering of next-generation flow-battery technologies
Flow-battery technologies open a new age of large-scale electrical energy-storage systems. This Review highlights the latest innovative materials and their technical feasibility for next ...
Progress and challenges of zinc‑iodine flow batteries: From …
The Nafion membranes are widely used for flow batteries, such as V V flow batteries, Fe Cr flow batteries, due to their high proton conductivity and well-established technology. However, compared to porous membranes, the performance of ZIFB using Nafion membrane is unsatisfactory due to the low ionic conductivity of the neutral …
Thin Reinforced Ion-Exchange Membranes Containing Fluorine Moiety for All-Vanadium Redox Flow Battery …
In this work, we developed pore-filled ion-exchange membranes (PFIEMs) fabricated for the application to an all-vanadium redox flow battery (VRFB) by filling a hydrocarbon-based ...
Highly stable membranes based on sulfonated fluorinated poly(ether ether ketone)s with bifunctional groups for vanadium flow battery …
A facile strategy for fabricating a sulfonated poly (ether ether ketone) ion exchange membrane with high chemical stability, excellent ion selectivity and battery performance is presented. The essence of this strategy lies in the introduction of benzotrifluoride bifunctional groups that function to protect t
Fluorine-Containing Branched Sulfonated Polyimide …
The Fb-SPI-10 membrane shows outstanding and stable performance in vanadium redox flow batteries. Abstract A series of fluorine-containing branched sulfonated polyimide (Fb-SPI) membranes …
Fluorinated Electrolytes for Li-Ion Batteries: The Lithium Difluoro ...
We applied fluorine-contg. solvents (FCSs) to an electrolyte for lithium (Li)-ion batteries with a cobalt oxide (LiCoO2) cathode to enhance the upper voltage limit and investigated its electrochem. properties in a proposed FCS-based electrolyte. FCSs were expected to have high oxidn. resistance by introducing electron withdrawing fluorine atoms.
Highly Ordered Ultrathin Perfluorinated Sulfonic Acid Ionomer …
DOI: 10.1021/acsenergylett.0c02089 Corpus ID: 230601147; Highly Ordered Ultrathin Perfluorinated Sulfonic Acid Ionomer Membranes for Vanadium Redox Flow Battery @article{Kim2020HighlyOU, title={Highly Ordered Ultrathin Perfluorinated Sulfonic Acid Ionomer Membranes for Vanadium Redox Flow Battery}, author={Jongmin …
Fluorine-Containing Branched Sulfonated Polyimide Membrane …
The trade-off between high proton conductivity and low vanadium ion permeability needs to be overcome urgently for membrane in vanadium redox flow battery (VRFB). A series of fluorine-containing ...
Fluorine-Containing Branched Sulfonated Polyimide Membrane …
The fluorine-containing branched sulfonated polyimide (FbSPI) membrane is promising for use as a separator of vanadium flow battery (VFB) owing to the excellent vanadium ion blocking and proton ...
Densely Quaternized Fluorinated Poly (fluorenyl ether)s with Excellent Conductivity and Stability for Vanadium Redox Flow Batteries …
Cationic group distribution and elemental composition are two key factors determining the conductivity and stability of anion exchange membranes (AEMs) for vanadium redox flow batteries (VRFBs). Herein, fluorinated tetra-dimethylaminomethyl-poly(fluorenyl ether)s (TAPFE)s were designed as the polymer precursors, which were …
Fluorine-Containing Branched Sulfonated Polyimide Membrane for Vanadium Redox Flow Battery …
Semantic Scholar extracted view of "Fluorine-Containing Branched Sulfonated Polyimide Membrane for Vanadium Redox Flow Battery Applications" by P. Yang et al. DOI: 10.1002/CELC.201801070 Corpus ID: 104665242 Fluorine-Containing Branched Sulfonated
Fluorinated TEMPO: a new redox-active catholyte material for aqueous Zn-anode hybrid flow batteries
It exhibits higher cell voltage, rate capability, and cycle stability in ARFBs than its non-fluorinated analogue and 4-HO–TEMPO. The Zn/DFTEMPO hybrid flow battery shows a cell voltage of 1.64 V and a peak power density of up to 244.9 mW cm −2.
Fluoride-ion batteries: State-of-the-art and future perspectives
FIBs generally consist of a transition metal fluoride cathode, metals with low reduction potential or their alloys as anode and a F − ion conducting electrolyte. Highly electronegative F − ion is the charge transfer agent, which is shuttling between metal fluoride/metal pair [27, 28].Unlike the simple insertion/extraction process that operates in …
Membranes | Free Full-Text | PVDF/Graphene Composite Nanoporous Membranes for Vanadium Flow Batteries …
As a critical component of VFBs, an ICM should prevent multivalent vanadium ions in electrolytes from cross-mixing while transporting protons. The ideal ICMs should have high proton conductivity, low vanadium permeation, good …
Methylation enables the use of fluorine-free ether ...
Methylation enables the use of fluorine-free ether ...
A novel porous polyimide membrane with ultrahigh chemical …
DOI: 10.1016/J.CEJ.2021.131203 Corpus ID: 237685238; A novel porous polyimide membrane with ultrahigh chemical stability for application in vanadium redox flow battery @article{XuANP, title={A novel porous polyimide membrane with ultrahigh chemical stability for application in vanadium redox flow battery}, author={Wenjie Xu and Jun-fei Long and …
Thin Reinforced Ion-Exchange Membranes Containing Fluorine …
DOI: 10.3390/membranes11110867 Corpus ID: 244094881; Thin Reinforced Ion-Exchange Membranes Containing Fluorine Moiety for All-Vanadium Redox Flow Battery @article{Moon2021ThinRI, title={Thin Reinforced Ion-Exchange Membranes Containing Fluorine Moiety for All-Vanadium Redox Flow Battery}, author={Ha-Neul Moon and …
Recent progress, challenges and prospects of electrolytes for …
The performance of the battery, including cycle stability, power, safety, and operating temperature range, is highly dependent on the electrolyte material. Fluoride-ion …
Sulfonated polyimide membranes with branched architecture and …
Among these, the vanadium redox flow battery (VRB), as a chemical energy storage and conversion device, has garnered substantial attention. VRB offers numerous advantages, ... Fluorine-containing branched sulfonated polyimide membrane for vanadium redox flow battery applications. Chemelectrochem, 5 (2018), pp. 3695-3707.
Fluorine Chemistry in Rechargeable Batteries: Challenges, …
This review covers a wide range of topics from the exploration of fluorine-containing electrodes, fluorinated electrolyte constituents, and other fluorinated battery …
Fluorinated poly(fluorenyl ether)s with linear multi-cationic side chains for vanadium redox flow batteries
The cationic group distribution along the polymeric backbones of anion exchange membranes (AEMs) has significant influence on their microscopic morphology and anion conductivity. To develop high-performance AEMs for vanadium redox flow batteries (VRFBs), a series of poly (fluorenyl ether) samples bearing di- and tri-quaternary …
Side chain sulfonic acid polymers with intrinsic pores in the main ...
The low-cost monomers were used to prepare the fluorine-free PEMs by a simple preparation route. ... such as redox flow battery (RFB), fuel cells (FCs), etc, have great promise for large-scale renewable energy conversion and storage. Proton exchange membranes (PEMs), as important components in proton exchange membrane fuel cells ...
Long-lasting flow battery uses neutral water to keep costs low
Scientists have built a non-toxic flow battery that keeps its energy in organic molecules dissolved in neutral water, helping to keep costs low. ... which are made of expensive fluorine-containing ...
Study on degradation mechanism of fluorine-containing branched sulfonated polyimide membrane for vanadium flow battery …
The fluorine-containing branched sulfonated polyimide (FbSPI) membrane is promising for use as a separator of vanadium flow battery (VFB) owing to the excellent vanadium ion blocking and proton selectivity together with reasonable cost. However, the durability of FbSPI membrane is still inferior to that of commercial Nafion …
Promoting ion conductivity of imidazolium grafted PVDF membranes through blending PVP for vanadium redox flow batteries
In this work, the polyvinyl pyrrolidone (PVP) was blended with the material of polyvinylidene fluoride modified by imidazolium ionic liquid (PVDF-IL) and finally a kind of porous PVDF-IL-PVP composite membrane was successfully prepared after membrane casting and ethanol treatment. The porous structure of the membranes was evaluated by …