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Simultaneously suppressing the dendritic lithium growth and polysulfides migration by a polyethyleneimine grafted bacterial cellulose membrane …
The failure process for a typical Li-S battery assembled with the traditional porous polyolefin separator is schematically illustrated in Fig. 1 a.During battery discharge, soluble intermediate polysulfide species reduced from cyclo-S 8 molecules can migrate through the separator to anode and react with lithiummetal. ...
A bacterial cellulose/Al2O3 nanofibrous composite membrane for a lithium-ion battery …
The bacterial cellulose (BC)/Al2O3 nanofibrous composite membrane as a lithium-ion battery separator has been successfully prepared by coating Al2O3 on the BC nanofibers through a simple in situ thermal decomposition of Al(NO3)3 · 9H2O. Thermal treatment tests show that the BC/Al2O3 composite membrane is thermally stable at a …
Ultra-light cellulose nanofibril membrane for lithium-ion batteries
In this study, ultra-light and ultra-thin nanocellulose porous membranes were successfully prepared for lithium-ion batteries. The ethanol-soaked cellulose nanofibril membrane (ECM12) has a thickness of 12 μm and an areal density of 7.1 g m − 2, which is half of the polyolefin separator (Celgard2325).
Synthetic polymer-based membranes for lithium-ion batteries
Membrane structure and characteristics for lithium-ion batteries. The separator membrane is a key element in all lithium-ion battery systems, as it allows controlling the movement of ions between the anode and the cathode during the charge and discharge of the battery [23].
Functional Janus Membranes: Promising Platform for …
3 Functional Janus Membranes for Li-S Batteries The high theoretical capacity (1675 mAh g −1) and energy density (2600 Wh kg −1), together with abundant resources and low cost of sulfur, make the Li-S …
Design principles of ion selective nanostructured membranes for …
The fundamental knowledge and basic principles of artificial nanostructured membranes with Li-ion selectivity are in the embryonic stage and require …
Separator for lithium-sulfur battery based on polymer blend membrane ...
In this work we report a novel way of reducing the polysulfide shuttle in lithium-sulfur batteries by a new separator material. Polyvinylsulfate potassium salt (PVSK) as polymeric additive is introduced into a polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) matrix membrane to improve the battery performance.
Preparation and performance of aramid nanofiber membrane for …
The membrane properties and battery performances are characterized in detail and the effect of mPEG content on these properties is explored. It is demonstrated that aramid membranes possess good electrolyte wettability, excellent mechanical properties, and superior thermal stability, which improve the safety of lithium ion batteries.
Synthetic polymer-based membranes for lithium-ion batteries
In lithium-ion batteries, the porous separator membrane plays a relevant role as it is placed between the electrodes, serves as a charge transfer medium, and …
Morphological modulation of the PBI membrane and performance ...
These membranes were prepared using the NIPS method or electrospinning method and applied in lithium metal batteries (Table S3). The sponge-like porous PBI-E70 membrane, fabricated in this study, demonstrates significant benefits in terms of thermal stability, mechanical strength, ionic conductivity, electrochemical …
A comprehensive review of separator membranes in lithium-ion …
The widespread adaptation of lithium-ion batteries for consumer products, electrified vehicles and grid storage demands further enhancement in energy density, cycle life, and safety, all of which rely on the structural and physicochemical characteristics of cell
Membrane-based technologies for lithium recovery from water lithium ...
In addition to the above mentioned polymeric monovalent anion exchange membrane, a lithium superionic conductor (NASICON)-type solid-state electrolyte was used as the lithium-ion selective membrane placed next to the anode [103]. ... As a strong wave of retired lithium-ion battery approaches, lithium extraction from spent lithium-ion …
Porous membranes in secondary battery technologies
In this article, we review the research and development progress of porous membranes in secondary battery technologies, such as lithium-based batteries together with flow batteries. The preparation methods as well as the required properties of porous membranes in different secondary battery technologies will be elucidated thoroughly and …
High–energy density nonaqueous all redox flow …
On the basis of the redox targeting reactions of battery materials, the redox flow lithium battery (RFLB) demonstrated in this report presents a disruptive approach to drastically enhancing the energy …
Characterization and performance evaluation of lithium-ion battery ...
Sun, Y. Lithium ion conducting membranes for lithium-air batteries. Nano Energy 2, 801–816 (2013). Google Scholar
Study on preparation of polyacrylonitrile/polyimide composite lithium-ion battery …
Compared with commercial polyolefin membranes, polyacrylonitrile (PAN) membrane prepared by electrostatic spinning has higher porosity, electrolyte uptake, thermal stability, and lithium-ion conductivity, etc. However, poor mechanical performance has largely limited the application of electrospun PAN separators. In this study, …
Hypercrosslinked porous and coordination polymer materials for electrolyte membranes in lithium‐metal batteries
Hypercrosslinked electrolyte fillers and their applications in lithium-metal batteries. (A) Synthesis procedure of ILs@KAP1-poly(ethylene oxide) (PEO). (B) Cycling performance of LFP/Li batteries with different electrolyte membranes at 60 C, 1.0 C (1 C = …
Flexible and hyper ion-conductive LATP-embedded semi …
In this study, hybrid solid electrolyte (HSE) membranes are fabricated by embedding Li 1.3 Al 0.3 Ti 1.7 (PO 4) 3 (LATP) nanoparticles into the semi-interpenetrating network of polyacrylonitrile (PAN)/poly (ethylene glycol) dimethacrylate (PEGDA) for solid-state lithium metal battery. The semi-interpenetrating network, established by cross …
Development of high-voltage and high-energy membrane-free nonaqueous lithium-based organic redox flow batteries
Redox flow batteries are promising energy storage systems but are limited in part due to high cost and low availability of membrane separators. Here, authors develop a membrane-free, nonaqueous 3. ...
Membranes in Lithium Ion Batteries
In this study, membranes used in lithium ion batteries have been reviewed. These membranes include solid state electrolytes which contains ceramic …
Multifactorial engineering of biomimetic membranes for batteries …
Ion-selective np-ANF membranes enable Li–S batteries with high sulfur loading. In the cyclic voltammograms (CV) of Li–S battery cell with np-ANF membranes, …
Functional Janus Membranes: Promising Platform for …
Functional membranes play different roles in battery systems. [ 11] For example, compared to a conventional lithium-ion battery membrane, ideal membranes for the Li-S battery should also have the …
Positively-Coated Nanofiltration Membranes for Lithium Recovery from Battery …
The impact of the battery leachate composition and the solution pH on the Li/Co separation factor (α Li/Co) is illustrated for both uncoated and coated membranes in Figure 4E. Consistent with the salt-lake brine experiments, the polyelectrolyte coating enhances the monovalent selectivity by up to 44% at a pH of 0.5, registering α Li / Co of 46.8 and 13.1 …
Balancing polysulfide containment and energy loss in lithium–sulfur batteries
Integration of microporous membranes in lithium–sulfur (Li–S) batteries is a promising strategy for preventing capacity losses induced by the shuttling of soluble polysulfide species. However, microporous membranes also hinder the transport of lithium ions decreasing the available cell energy density. Here,
Mechanism of lithium ion selectivity through membranes: a brief …
To illustrate the ion diffusion mechanism, the ion transportation process through a membrane is divided into 3 sequential stages: the entering of ions into the channel …
Design principles of ion selective nanostructured membranes for the extraction of lithium …
The fundamental knowledge and basic principles of artificial nanostructured membranes with Li-ion selectivity are in the embryonic stage ... from sea water and spent lithium ion batteries (LIBs ...
Research progress of cross-linked fiber membranes for lithium-ion ...
The past decades have witnessed the rapid development of lithium-ion batteries (LIBs). Safety issues of the LIBs, however, are always huge obstacles bothering the academic and industrial fields, especially in the pursuit of safe 3C products, power cells and energy storage systems (Lv et al., 2020, Dai et al., 2022, Tseng et al., 2020, Ye et …
Extreme Li-Mg selectivity via precise ion size differentiation of polyamide membrane …
Achieving high selectivity of Li + and Mg 2+ is of paramount importance for effective lithium extraction from brines, and nanofiltration (NF) membrane plays a critical role in this process. The ...
Surface-modified electrospun polyacrylonitrile nano-membrane for …
Some studies have been done to increase the fibers'' surface-to-volume ratio by surface modification, as well as to manufacture non-woven fabric membranes with excellent porosity for lithium-ion batteries. The treated membranes exhibit better wettability, electrolyte retention, and ion conductivity [16], [29], [37], [38]. However, these ...
Membranes | Free Full-Text | Membranes in Lithium …
Lithium ion batteries have proven themselves the main choice of power sources for portable electronics. Besides consumer electronics, lithium ion batteries are also growing in popularity for …
Janus Quasi-Solid Electrolyte Membranes with Asymmetric …
Quasi-solid electrolytes (QSEs) based on nanoporous materials are promising candidates to construct high-performance Li-metal batteries (LMBs). However, simultaneously boosting the ionic conductivity (σ) and lithium-ion transference number (t+) of liquid electrolyte confined in porous matrix remains challenging. Herein, we report a …
Membranes | Free Full-Text | Membranes in Lithium …
Besides consumer electronics, lithium ion batteries are also growing in popularity for military, electric vehicle, and aerospace …
A safe composite cellulose membrane for quasi-solid-state lithium …
Using LiFePO 4 as the cathode, metallic lithium as the anode, PP, cellulose, and cellulose composite membrane as the membrane, with LB-251 as the electrolyte, the cyclic stability and rate performance of lithium-ion batteries were tested on the battery testing system (LAND).(The mass ratio of active material, conductive carbon black, and binder ...
High-energy and low-cost membrane-free chlorine flow battery
Duduta, M. et al. Semi-solid lithium rechargeable flow battery. Adv. ... and Xiu.F. contributed equally to this work. S.H. and L.C. conceived the idea of a membrane-free chlorine flow battery. S.H ...
High-performance electrospun membrane for lithium-ion batteries
Preparation of lithium battery membrane by electrospinning. • Coordination Li + was formed by dopamine and EVO-Li. • After coating with poly-dopamine, thermostability of membrane was promoted. • The mechanism of enhancing mechanical properties was proposed.