A5046734253- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Electrocatalysts for Energy Conversion
- Fuel Cells and Related Materials
- Membrane-based Ion Separation Techniques
- Layered Double Hydroxides Synthesis and Applications
- Advanced Photocatalysis Techniques
- Electrochemical Analysis and Applications
- Nanomaterials for catalytic reactions
- Water Quality Monitoring and Analysis
- Microbial Fuel Cells and Bioremediation
- Conducting polymers and applications
- Perovskite Materials and Applications
Dalian National Laboratory for Clean Energy
2018-2025
Dalian Institute of Chemical Physics
2016-2025
Chinese Academy of Sciences
2016-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2024
Dalian University
2014-2021
University of Chinese Academy of Sciences
2014-2021
Wuhan Institute of Physics and Mathematics
2020
NOAA Chemical Sciences Laboratory
2017
Advanced porous membranes combining ultra-high stability and selectivity with very low cost are designed fabricated for vanadium flow batteries.
Alkaline zinc-based flow batteries are regarded to be among the best choices for electric energy storage. Nevertheless, application is challenged by issue of zinc dendrite/accumulation. Here, we report a negatively charged nanoporous membrane dendrite-free alkaline battery with long cycle life. Free dendrite/accumulation, stable performance afforded ∼240 cycles at current densities ranging from 80 160 mA cm-2 using membrane. Furthermore, 8 h and 7 plating/stripping processes 40 yield an...
Abstract Membranes with fast and selective ions transport are highly demanded for energy storage devices. Layered double hydroxides (LDHs), bearing uniform interlayer galleries abundant hydroxyl groups covalently bonded within two-dimensional (2D) host layers, make them superb candidates high-performance membranes. However, related research on LDHs separation is quite rare, especially the deep-going study behavior in LDHs. Here, we report a LDHs-based composite membrane flow battery...
Zinc-based batteries are promising for use as energy storage devices owing to their low cost and high density. However, zinc chemistry commonly encounters serious dendrite issues, especially at areal capacities current densities, limiting application. Herein, we propose a novel membrane featuring ordered undulating stripes called "Turing patterns", which can effectively suppress dendrites improve ion conductivity. The crests troughs in the Turing adjust Zn(OH)42– distribution provide more...
Flow batteries (FBs) are very promising options for long duration energy storage (LDES) due to their attractive features of the decoupled and power rating, scalability, lifetime. Since first modern FB was proposed by NSNA in 1973, FBs have developed rapidly extensive basic research on key materials, stack, demonstration trials, even commercial implementation. Meanwhile, as prime candidates LDES, still meet several challenges industrialization: cost performance concerns, which require that we...
The degradation mechanism of sulfonated poly(ether ether ketone) membranes under VFB operating conditions was clarified, which is highly beneficial for improving the chemical stability hydrocarbon ion exchange membranes.
Abstract Zeolites are crystalline microporous aluminosilicates with periodic arrangements of cages and well‐defined channels, which make them very suitable for separating ions different sizes, thus also use in battery applications. Herein, an ultra‐thin ZSM‐35 zeolite flake was introduced onto a poly(ether sulfone) based porous membrane. The pore size the (ca. 0.5 nm) is intermediary between that hydrated vanadium (>0.6 protons (<0.24 nm). resultant membrane can be used to perfectly...
Advanced charged sponge‐like porous membranes with ultrahigh stability and selectivity are designed fabricated for vanadium flow battery (VFB) applications. The via constructing positively cross‐linked networks on the pore walls of polysulfone membranes. charge density can be tuned by changing crosslinking time. effectively retain ions Donnan exclusion, hence keeping extremely high selectivity, while crosslinked network increases membrane stability. As a result, exhibit an outstanding...
Alkaline zinc-iron flow battery is a promising technology for electrochemical energy storage. In this study, we present high-performance alkaline in combination with self-made, low-cost membrane high mechanical stability and 3D porous carbon felt electrode. The could provide hydroxyl ion conductivity while resisting zinc dendrites well owing to its stability. serve as guidance the stripping/plating, which can effectively suppress dendrite/accumulation well. Thus demonstrates coulombic...
The stability of hydrocarbon ion exchange membranes is one the critical issues for a flow battery. However, degradation mechanism has been rarely investigated especially anion membranes. Here, polysulfone based membranes, carrying pyridine groups, under vanadium battery (VFB) medium was in detail. We find that sp2 hybrid orbital interactions between pyridinic-nitrogen 4,4′-bipyridine and benzylic carbon disrupt charge state balance pristine chloromethylated polysulfone. This difference...
Anion exchange membranes (AEMs) with excellent stability and high ion conductivity are fabricated via the formation of internal cross linking networks. The crosslinking networks constructed by reacting 4,4′‐bipyridine chloromethylated polysulfone. bipyridine group simultaneously functions as ionic conductor linker in this system. performance membrane is tuned controlling content casting solution. prepared demonstrate chemical under acidic conditions. As a consequence, show very promising for...
A simple and effective solvent treatment method was developed to prepare high-performance porous membranes with a tunable morphology for VFBs.
Abstract Separators with high reliability and security are in urgent demand for the advancement of performance lithium ion batteries. Here, we present a new practical porous membrane three-dimension (3D) heat-resistant skeleton curvature pore structure as promising separator candidate to facilitate advances battery safety performances beyond those obtained from conventional separators. The unique material properties combining well-developed structural characteristics enable 3D own several...
The capability to maintain a constant system temperature is vital in nature, since it endows the with enhanced lifetime. This trait also works for zinc-based batteries, because their cycle-life limited by notorious zinc dendrite/accumulation, which are highly affected inhomogeneous distribution of on electrode and relatively low mechanical strength membrane. Herein, boron nitride nanosheets (BNNSs) high serving as heat-porter introduced onto porous substrate enable uniform deposition further...
Flow batteries, aqueous flow batteries in particular, are the most promising candidates for stationary energy storage to realize wide utilization of renewable sources. To meet requirement large-scale storage, there has been a growing interest especially novel redox couples and flow-type systems. However, development battery technologies is at an early stage their performance can be further improved. As key component battery, membrane significant effect on performance. Currently, membranes...
Abstract Due to decoupled energy and power, the aqueous organic redox flow battery (AORFB) represents a promising storage technology that stores in redox‐active compounds dissolved electrolytes. The are composed of earth‐abundant elements therefore potentially cost‐effective. Their structures diverse highly tunable, rendering it possible regulate potential, water solubility, cycling lifespan. Therefore, adoption organics greatly expands space for enabling exceeding performance merits...
Abstract Rechargeable aqueous zinc‐based flow batteries (ZFBs) are promising candidates for large scale energy storage devices. However, the challenges from zinc dendrites and limited areal capacity considerably impede their wide application. Here, an in situ vertical growth of layered double hydroxide membrane (LDH‐G) is constructed to enable long‐life ZFBs. Owing high ion conductivity selectivity nature LDH nanosheets, specifically, precise control directional transport arrangement LDHs, a...