Polyethylene glycol a positive electrode material for lithium batteries
Compared with current intercalation electrode materials, conversion-type materials with high specific capacity are promising for future battery technology [10, 14].The rational matching of cathode and anode materials can potentially satisfy the present and future demands of high energy and power density (Figure 1(c)) [15, 16].For instance, the battery … - Download [PDF]
Advanced Electrode Materials in Lithium Batteries: Retrospect …
Compared with current intercalation electrode materials, conversion-type materials with high specific capacity are promising for future battery technology [10, 14].The rational matching of cathode and anode materials can potentially satisfy the present and future demands of high energy and power density (Figure 1(c)) [15, 16].For instance, the battery …
Polyethylene glycol-grafted cellulose-based gel polymer …
However, use of some natural materials like cellulose as host matrices of gel polymer electrolytes (GPEs) is challenging owing to the strong intra- and inter-molecular …
Ambidextrous polyanthracene/poly(ethylene glycol) copolymer for …
The demand for lithium-ion batteries has dramatically increased in the last decade. However, the battery life offered by suppliers does not the level that can adequately meet the needs of end users. The development of new generation materials is so crucial accordingly. The nano-sized silicon with high theoretical capacity as the anode active material …
First-principles study: Polyethylene glycol as a promising coating ...
Recently, the outstanding advantages of polyethylene glycol (PEG), such as non-toxic, non-irritating, good lubricity, excellent dispersion and low cost, make it wide …
Sulfur-inserted polymer-anchored edge exfoliated graphite …
anchoredby exibleandrobust polypropylene glycol(PPG),and used as a positive electrode material for Li–S batteries. We designed an effective strategy for inserting sulfur between the polymer-anchored graphene sheet based on a simple acid–base reaction at ambient temperature. The strong interfacial attrac-
Enhanced electrochemical performance of LiFePO4 of cathode materials ...
Lithium iron phosphate (LiFePO4) cathode materials were synthesized by the solvothermal method with the assistance of different surfactants. The influences of polyethylene glycol 2000 (PEG 2000 ...
Electrolytes in Lithium-Ion Batteries: Advancements in the Era of ...
The poly (ethylene glycol ether acrylate) (PEGEA) based SPE (PSPE) was prepared by forming the solution of LiTFSI, SiO 2, and 2,2′-azobis- (2,4-dimethylvaeronitrile) …
High-strength and flexible cellulose/PEG based gel polymer …
Lithium ion batteries (LIBs) with higher energy and power density are highly advisable energy sources due to the growing demand for portable electronics in recent years [1, 2].Lithium metal, offering higher theoretical specific capacity (3860 mAh g −1) and lower redox potential (−3.04 V vs SHE) than graphite, is rated to be an ideal alternative anode material for …
Application of Polyethylene Glycol-Based Flame-Retardant …
Composite phase change materials commonly exhibit drawbacks, such as low thermal conductivity, flammability, and potential leakage. This study focuses on the development of a novel flame-retardant phase change material (RPCM). The material''s characteristics and its application in the thermal management of lithium-ion batteries are investigated. Polyethylene …
A Comprehensive Review of Functional Gel Polymer Electrolytes …
The rapid expansion of flexible and wearable electronics has necessitated a focus on ensuring their safety and operational reliability. Gel polymer electrolytes (GPEs) have become preferred alternatives to traditional liquid electrolytes, offering enhanced safety features and adaptability to the design requirements of flexible lithium-ion batteries. This review …
Interface modification of electrodes through polyethylene glycol in ...
Interface modification of electrodes through polyethylene glycol in rechargeable zinc-nickel batteries. Author links open overlay panel Yuanhui Cheng, ... Great efforts have been focused on the electrode materials (Xia et al., 2019) and ... Cyclic voltammograms of positive electrode at 10 mV s −1 with and without 2 × 10 −5 mol L −1 ...
Lithium-ion battery separators based on electrospun PVDF: A …
Li-ion accumulators (or batteries) are composed of four main components: a negative electrode, a positive electrode, a separator, and an electrolyte [2], [3], [4]: Electrodes are systems consisting of a current collector, usually made of aluminium for the positive electrode and copper for the negative electrode, and a porous composite containing the …
Application of Polyethylene Glycol-Based Flame …
The material''s characteristics and its application in the thermal management of lithium-ion batteries are investigated. Polyethylene glycol (PEG) serves as the medium for phase change; expanded graphite (EG) and …
A review of graphene-decorated LiFePO4 cathode materials for lithium ...
Due to the advantages of good safety, long cycle life, and large specific capacity, LiFePO4 is considered to be one of the most competitive materials in lithium-ion batteries. But its development is limited by the shortcomings of low electronic conductivity and low ion diffusion efficiency. As an additive that can effectively improve battery performance, …
Halogens as Positive Electrode Active Species for Flow Batteries …
Abstract Flow batteries offer solutions to a number of the growing concerns regarding world energy, such as increasing the viability of renewable energy sources via load balancing. However, issues regarding the redox couples employed, including high costs, poor solubilities/energy densities, and durability of battery materials are still hampering widespread …
Experimental Study of a Passive Thermal Management System …
Experimental Study of a Passive Thermal Management System Using Expanded Graphite/Polyethylene Glycol Composite for Lithium-Ion Batteries November 2023 Energies 16:7786
Polyethylene glycol-based waterborne polyurethane as solid …
An environmental friendly waterborne polyurethane (WPU) dispersion was synthesized from polyethylene glycol (PEG), hexamethylene diisocyanate (HDI), diethylene glycol (DEG) and dimethylol propionic acid (DMPA). Solid polymer electrolytes based on WPU and LiTFSI were fabricated via an organic solvent free process. The LiTFSI salts were found to …
Applications of Polymer Electrolytes in Lithium-Ion Batteries: A
Polymer electrolytes, a type of electrolyte used in lithium-ion batteries, combine polymers and ionic salts. Their integration into lithium-ion batteries has resulted in significant advancements in battery technology, including improved safety, increased capacity, and longer cycle life. This review summarizes the mechanisms governing ion transport …
Local structures of SPEG after heat treatment at …
Sulfurized polyethylene glycol (SPEG), containing ca. 61 wt% of sulfur, is a promising positive electrode material that exhibits a large initial discharge capacity of more than 800 mAh g⁻¹.
PEG–PVP-Assisted Hydrothermal Synthesis and ...
Molybdenum disulfide shows promise as an anode material for lithium-ion batteries. However, its commercial potential has been constrained due to the poor conductivity and significant volume expansion during the charge/discharge cycles. To address these issues, in this study, N-doped MoS2/C composites (NMC) were prepared via an enhanced hydrothermal …
Electrolytes in Lithium-Ion Batteries: Advancements in the Era of ...
The positive electrode used was made of graphite with longer alkyl chains and avoids graphite molting during its use as a solvent with PC. ... Ion-regulated solid polymer electrolyte (SPE) was prepared based on polyethylene glycol ether acrylate. This whole procedure was based on ion space theory. ... Hierarchical waxberry-like LiNi0.5Mn1.5O4 ...
Enhancing Li ion conduction through polyethylene glycol brushes …
Importantly, the PEG brushes act as "Li + bridges" to allow Li + to migrate through various interconnected interfaces in the whole battery. The solid-state LiFePO 4 ‖Li batteries with PE-PEG CPE present excellent cycling stability over 1000 cycles at a high rate (3C). Pouch cells using the prepared CPE exhibit high specific capacity at 1C ...
Toward safer lithium metal batteries: a review
The energy density of conventional graphite anode batteries is insufficient to meet the requirement for portable devices, electric cars, and smart grids. As a result, researchers have diverted to lithium metal anode batteries. Lithium metal has a theoretical specific capacity (3,860 mAh·g-1) significantly higher than that of graphite. Additionally, it has a lower redox …
Influences of polyethylene glycol (PEG) on the performance of …
Spinel phase LiMn2O4 is synthesized by a polyethylene glycol (PEG)-assisted co-precipitation method. The samples are characterized by X-ray diffraction and scanning electron microscopy techniques. The LiMn2O4 samples synthesized have similar morphology and uniform size of about 150–350 nm. The electrochemical measurements show that as-prepared …
Recent advances in lithium-ion battery materials for improved ...
Polyethylene. SEI. Solid Electrolyte Interphase. LiF. ... In order to increase the surface area of the positive electrodes and the battery capacity, he used nanophosphate particles with a diameter of less than 100 nm. ... (LiFePO 4) was the most extensively utilized cathode electrode material for lithium ion batteries due to its high safety ...
Enhancing Li ion conduction through polyethylene …
Herein, this issue can be effectively addressed by using a composite polymer electrolyte (CPE) consisting of a polyethylene (PE) separator with polyethylene glycol (PEG) brushes and SN-based electrolyte.
Polyethylene glycol dimethyl ether (PEGDME)-based electrolyte …
Request PDF | On Dec 20, 2015, Lorenzo Carbone and others published Polyethylene glycol dimethyl ether (PEGDME)-based electrolyte for lithium metal battery | Find, read and cite all the research ...
Expanding the active charge carriers of polymer electrolytes in lithium ...
Zaghib et al. proved by in situ SEM that Li metal dendrites have higher hardness than pure lithium metal 59, which is the main reason for the failure of polymer solid-state batteries with ...
Polyethylene glycol (PEG)-Na+ Interface of Vanadium …
In this paper, vanadium hexacyanoferrate cathodes was firstly used for constructing rechargeable aqueous sodium-ion batteries (VHCF/WO3), and tested in the new-type electrolyte (NaP-4.6) consisting of polyethylene glycol (PEG)/H2O/NaClO4 electrolyte with a low H+ concentration (molar ratio of [H2O]:[Na+] is 4.6), which performs high stability ...
Local structure and electrochemical performances of sulfurized ...
Designing a high-capacity positive electrode material is critical for the advancement of lithium-ion batteries. Sulfurized polyethylene glycol (SPEG), containing ca. 61 wt% of sulfur, is a promising positive electrode material that exhibits a large initial discharge capacity of more than 800 mAh g-1 this study, we present the local structure and …
Boosting the Oxidative Potential of Polyethylene Glycol‐Based …
These experiments verified that the c‐PEGR gel, by storing liquid electrolyte inside the c‐PEGR, can be an excellent electrolyte material for flexible batteries by ensuring …
Polyacrylonitrile-co-(Polyethylene Glycol-Maleic Acid Ester) …
Binders are essential for the performance and longevity of lithium-ion batteries (LIBs), providing a crucial link between active materials and current collectors while preserving electrode integrity. This study investigates polyacrylonitrile-co-(polyethylene glycol-maleic acid ester) (PAM) as a multifunctional binder aimed at enhancing LIB performance. The study …
Construction of high sulfur loading electrode with functional …
Construction of high sulfur loading is crucial for the development of high energy density lithium/sulfur batteries. The binder is indispensable for constructing high active material loading electrode. Here, cross‐linked polymeric network of polyacrylic acid polymer grafted polyethylene glycol (PAA‐g‐PEG) as functional binder has been developed for constructing …
In-situ polymerized PEO-based solid electrolytes contribute better …
Among them, using solid-state electrolytes in LMBs is considered to be one of the more effective solutions because of their excellent chemical and electrochemical stability and superior flame-retardant properties, greatly improving the safety of LMBs [15], [21].Different from inorganic solid electrolytes with brittleness and poor electrode–electrolyte interfacial contact, …
Phase change materials for lithium-ion battery thermal …
Bai et al. [116] prepared a new CPCM with a dual phase change temperature gradient by vacuum impregnation using polyethylene glycol (PEG) and vanadium dioxide (VO 2) as PCMs and adding different mass fractions of EG as thermal conductivity enhancers (Fig. 7 d). Applying it to Li-ion battery thermal management can improve the safety of Li-ion ...
Experimental Study of a Passive Thermal Management …
Expanded Graphite/Polyethylene Glycol Composite for Lithium-Ion ... A lithium-ion battery comprises a positive electrode, ... copper foam as the supporting material, and 16 batteries to form a ...
Effect of polyethylene glycol on vanadium oxide nanotubes in lithium ...
DOI: 10.1016/J.MEE.2014.04.044 Corpus ID: 93400987; Effect of polyethylene glycol on vanadium oxide nanotubes in lithium-ion batteries @article{Nadimicherla2014EffectOP, title={Effect of polyethylene glycol on vanadium oxide nanotubes in lithium-ion batteries}, author={Reddeppa Nadimicherla and Yueli Liu and …
A conductive self healing polymeric binder using hydrogen bonding …
High-capacity battery materials are in high demand for use in lithium-ion batteries (LIBs) in Electric Vehicles (EVs) and Energy Storage Systems (ESS), which have high energy density requirements.
Synthesis and characterization of α-MoO3 nanobelt composite positive ...
MoO 3 is known to be an attractive material as a positive electrode in secondary Li batteries and which is a layered n-type semiconductor with various advanced applications as catalysts [3], gas sensors [4], batteries [5], lubricants [6], memory materials [7] and electrochromic devices [8], [9]. Hence, molybdenum oxide in the form of micro and ...
Reviewing the current status and development of polymer electrolytes ...
Polymer-based lithium batteries have many advantages. First, there is no liquid electrolyte in the solid polymer lithium battery, the assembly of a battery is more convenient. Second, good electrochemical stability, which is conducive to the realization of large-scale battery cells and significantly improve the battery safety.