Our Energy Storage Solutions
Discover our range of innovative energy storage products designed to meet diverse needs and applications.
- All
- Energy Cabinet
- Communication site
- Outdoor site
Hydrophilic microporous membranes for selective ion …
Membranes with fast and selective ion transport are widely used for water purification and devices for energy conversion and storage including fuel cells, redox flow batteries and electrochemical...
Ionic Mobility in Ion-Exchange Membranes
where A and σ 0 are the pre-exponential factors and E σ is the activation energy of ionic conductivity. The last equation is used for rather narrow temperature ranges. The activation energy of conductivity thus includes the activation energy of ion migration (E m) and an additional contribution of the enthalpy of defect formation (ΔH d /p).
In situ investigation of ion exchange membranes reveals that ion transfer in hybrid liquid/gas electrolyzers is mediated by diffusion, not ...
In situ investigation of ion exchange membranes reveals that ion transfer in hybrid liquid/gas electrolyzers is mediated by diffusion, not electromigration† Maryline Ralaiarisoa a, Senapati Sri Krishnamurti a, Wenqing Gu a, Claudio Ampelli c, Roel van de Krol ab, Fatwa Firdaus Abdi * a and Marco Favaro * a a Institute for Solar Fuels, Helmholtz …
Ion selective membrane for redox flow battery, what''s next?
Ion exchange membrane is fabricated by ion exchange resins which consist of stable backbone and ion-exchange functional groups. Cation exchange groups achieve cations exchange, such as proton H +, Na + and K +, while anion exchange groups enable anions exchange, such as OH –, Cl – and Br – [15] .
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 …
Batteries | Free Full-Text | Thin Reinforced Anion-Exchange Membranes for Non-Aqueous Redox Flow Battery …
Non-aqueous redox flow batteries (NARFBs) have been attracting much attention because they can significantly increase power and energy density compared to conventional RFBs. In this study, novel pore-filled anion-exchange membranes (PFAEMs) for application to a NAPFB employing metal polypyridyl complexes (i.e., …
Aqueous decoupling batteries: Exploring the role of functional …
Diversifying the ion exchange membranes to accommodate various ions for distinct decoupling battery applications is imperative. Existing ion exchange …
Poly(Ionic Liquid) as an Anion Exchange Membrane …
Ion exchange membrane is an essential component in energy storage systems such as redox flow battery and reversible Cu-Zn battery where the compositions of the catholyte and anolyte are different. …
Polyamide-Based Ion Exchange Membranes: Cation-Selective Transport through Water Purification Membranes …
Ion-selective membranes are necessary components of many electrochemical systems including fuel cells, electrolyzers, redox flow batteries, and electrodialyzers. Perfluorinated sulfonated membranes (PFSMs) dominate these applications due to their excellent combination of fast ion transport, stability, and …
Radiation synthesis of imidazolium ionic liquid grafted PVDF as the anion exchange membrane for vanadium redox flow batteries
In this work, a series of novel anion exchange membranes (AEMs) were fabricated by grafting 1-vinyl-3-ethyl imidazolium tetrafluoroborate ([VEIm][BF4]) onto polyvinylidene fluoride (PVDF-g-IL) and transferred them into membranes by a solution casting method. The charged imidazolium moieties were controllably
Preparation and performance of UIO-66-NH2 enhanced proton exchange membranes for vanadium redox flow batteries …
For proton exchange membranes (PEM) used in vanadium redox batteries (VRBs), doping metal-organic framework (MOF) materials to enhance the proton permeability and vanadium ion barrier property of PEM has become a research focus. In synthesizing MOFs, conventional hydrothermal method is hindered by prolonged reaction …
An ion exchange membrane-free, ultrastable zinc-iodine battery …
(3) Stable operation of the conventional Zn-I 2 battery also requires an ion-exchange membrane. Without ion selectivity, polyiodide shuttling between electrodes …
Membranes | Free Full-Text | A Critical Review on the Use of Ionic Liquids in Proton Exchange Membrane …
This work provides a comprehensive review on the incorporation of ionic liquid (ILs) into polymer blends and their utilization as proton exchanges membranes (PEM). Various conventional polymers that incorporate ILs are discussed, such as Nafion, poly (vinylidene fluoride), polybenzimidazole, sulfonated poly (ether ether ketone), and …
IJMS | Free Full-Text | Ion and Water Transport in Ion …
Artificial ion-exchange and other charged membranes, such as biomembranes, are self-organizing nanomaterials built from macromolecules. The interactions of fragments of macromolecules …
Latest progress and challenges on lithium-ion semi-solid flow …
1 · Since the concept of semi-solid flow batteries (SSFBs) was proposed, SSFBs have gained increased attention as an alternative for large-scale energy storage applications. …
Ion conducting membranes for aqueous flow battery systems
Currently, the membranes used in aqueous flow battery technologies are very limited. In this feature article, we first cover the application of porous membranes in …
Suppressing vanadium crossover using sulfonated aromatic ion …
Liquid flow batteries have potential to achieve high energy efficiency as a large-scale energy storage system. However, the ion exchange membranes (IEMs) currently used …
Ion conducting membranes for aqueous flow battery systems
Flow batteries, aqueous flow batteries in particular, are the most promising candidates for stationary energy storage to realize the wide utilization of renewable energy sources. To meet the requirement of large-scale energy storage, there has been a growing interest in aqueous flow batteries, especially in
Batteries | Free Full-Text | Ion-Selective Membranes Fabricated Using Finely Controlled Swelling of Non-Ionic Fluoropolymer for Redox Flow …
Furthermore, these batteries exhibit excellent cycling stability and performance, typically achieving a stack energy efficiency of up to 85% or even higher. These factors have made all-vanadium redox flow batteries the most mature liquid flow battery technology
Ion Exchange Membranes
An alternative to an amphoteric membrane is a mosaic ion exchange membrane, which consists of both anion exchange and cation exchange functionalities in the same membrane. However, where amphoteric membranes involve randomly distributed anion exchange and cation exchange functionalities, a mosaic ion exchange …
Diels Alder Polyphenylene Anion Exchange Membrane for Nonaqueous Redox Flow Batteries …
Here highly conductive, solvent-resistant anionic Diels Alder polyphenylene (DAPP) membranes were synthesized with three different ionic contents and tested in an ionic liquid-based nonaqueous redox flow battery (RFB). These membranes display 3–10× increase in conductivity in propylene carbonate compared to …
Suppressing vanadium crossover using sulfonated aromatic ion exchange membranes for high performance flow batteries …
Liquid flow batteries have potential to achieve high energy efficiency as a large-scale energy storage system. However, the ion exchange membranes (IEMs) currently used in flow batteries do not have high ion selectivity and …
Batteries | Free Full-Text | Redox Flow Batteries: Recent …
Redox flow batteries represent a captivating class of electrochemical energy systems that are gaining prominence in large-scale storage applications. These batteries offer remarkable scalability, flexible operation, extended cycling life, and moderate maintenance costs. The fundamental operation and structure of these batteries revolve …