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Polyimides (PIs) as coatings, separators, binders, solid-state electrolytes, and active storage materials help toward safe, high-performance, and long-life lithium-ion batteries (LIBs). Strategies to design and utilize PI materials have been discussed, and the future development trends of PIs in LIBs are outlooked.
However, the dissolution of the organic materials in the electrolytes is still inevitable. Polyimide (PI) possesses stable aromatic core, π–π stacking interaction, and increased conjugated system, which are favorable for fast charge transfer kinetics and stable cycling performance of aqueous hydronium-ion battery.
Schematic showing how polyimides (PIs) are promising polymer materials for LIBs. As coatings, PIs can stabilize the interface of the cathode and electrolyte. PI separators can enhance thermal stability, while PI binders can maintain the structural integrity of electrodes.
Among various polymeric systems, polyimides (PIs), a class of organic carbonyl polymers, seem to be one of the promising electrode materials owing to their satisfying capacity, excellent cycling performance, and good rate capability. Moreover, they are structurally adjustable, safe when fully charged, and environmentally friendly.
Polyimide (PI) possesses stable aromatic core, π–π stacking interaction, and increased conjugated system, which are favorable for fast charge transfer kinetics and stable cycling performance of aqueous hydronium-ion battery. Here, the synthesis PI by 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTCDA) and urea is reported.
Polyimide (PI) is a kind of favorite polymer for the production of the membrane due to its excellent physical and chemical properties, including thermal stability, chemical resistance, insulation, and self-extinguishing performance.
Polyimide (PI) is a family of thermoset polymers that display excellent thermal stability. For example, Kapton®, the most successful commercial PI film product of Dupont since the 1970 s, is stable from −269 to 400 °C. Owing to their exceptional mechanical strength, good chemical stability, and high-temperature heat resistance, PIs have ...
Commercial LiFePO 4 (LFP) electrode still cannot meet the demand of high energy density lithium-ion batteries as a result of its low theoretical specific capacity (170 mA h g −1 ). Instead …
A nanoporous polyimide film filled with a solid polymer electrolyte has high ionic conductivity and high mechanical strength. An all-solid-state battery made with an approximately 10-μm-thick ...
Plastic batteries: Polyimides are proposed as cathode materials for rechargeable lithium batteries.Although they are regarded as insulators, five polyimides with different structures all show good electrochemical activity and …
P84 is a highly adhesive, soluble, and thermally stable co-polyimide-based binder, exhibiting outstanding intrinsic properties compared to those of conventional polymeric binders and thus improving the performances of battery constituents (anodes, cathodes, and separators), enhancing the cycling performances of Si-based anodes and the high ...
The magnesium-metal battery, which consists of a cathode, a Mg-metal anode, and a nonaqueous electrolyte, is a safer and less expensive alternative to the popular Li-ion battery. However, the performance of Mg batteries is greatly limited by the low electrochemical oxidative stability of nonaqueous electrolytes, the slow Mg2+ diffusion into the cathode, and the …
Abstract: Polyimide (PI) is a polymer synthesized by thermal imination of dianhydride and diamine as raw materials. As a battery electrodes material, it boasts high theoretical capacity, high mechanical strength and easy recovery. However, its insulation limits the utilization rate of internal active sites, resulting in poor rate performance of the battery.
As a typical carbonyl compound, polyimide (PI) has been distinguished as the organic electrode material because it exhibits good thermal stability, resistance to solubility, and a high theoretical capacity [[9], [10], [11]].The energy storage mechanism of polyimide has been identified to be related to the reaction between the enol and carbonyl structures during the …
Polyimides (PIs) in aqueous Li-ion batteries demonstrated a stable capacity performance with 95% capacity retention for 1,000 cycles at 2C rate (Chen et al., 2015). PI anode material Frontiers in Energy Research | 2 January 2021 | Volume 8 | Article 615677 Maddukuri et al. Na 0.44MnO 2/Polyimide Aqueous Na-Ion Battery
Considering the importance of cyclabilty and rate performance, polyimide containing NTCDA(1,4,5,8-naphthalenetetracarboxylic dianhydride) unit seems to be a promising energy-storage material. Based on this redox mechanism, we developed a series of polyamides with different structures and investigated their electrochemical activity as cathode materials for …
Figure 2 shows the dual map of published papers with the references cited in the content, with the cited map on the left and the cited map on the right. The curve is the citation …
The glassy polymer highlighted in this research is polyimide (PI) (Matrimid 5218, Huntsman), chosen for its thermal stability, mechanical strength, wettability, and electrochemical performance (see Fig. S3† for molecular structure). 26,27 …
Different types of binders, including polyimide(PI), polyvinylidene difluoride (PVdF), and Styrenebutadiene rubber/carboxymethylcellulose (SBR/CMC) are used to produce high-energy-density anode electrodes with various combinations of graphite and silicon active materials, and these anodes are investigated to improve electrochemical performance in …
A novel in situ polymerization and imidization method is adopted to synthesize Si-based microcapsule materials with polyimide shell. As a mechanically stable polymer, …
Organic molecules with redox-active motifs have attracted great attention as next-generation electrodes for sustainable energy storage. While there has been significant progress in designing redox-active molecules, the practical requirements of high electrochemical activity and stability, as well as rapid kinetics for fast charging, are motivating a search for methods to engineer three ...
Covalent organic frameworks (COFs) are a class of ordered porous crystalline polymer materials [14], which have showed promising application in gas separation and storage [15], semiconductors [16], and catalysis [17] particular, integration of electroactive groups into the stable networks of insoluble COFs has generated versatile organic cathode materials for …
Silicon (Si) exhibits an excellent specific capacity and emerging application potential as anode material of lithium-ion batteries. However, Si anodes usually generate the …
Polyimides have been used as electrode materials for both Li- and Na-ion batteries.24−28 In the present work, the anode is an aromatic polyimide formed by condensation of 1,4,5,8-naphthalenetetracarboxylic dianhydride and ethylene diamine. The polyimide is shown in Figure 1a, where the monomer is denoted as P; each monomer contains two imide ...
Here we show that perylene polyimides with oligoether groups are great anode candidates for high power aqueous polymer batteries. Perylene-based polyimide presents a redox reaction at −0.55 V vs Ag/AgCl and stable cycle life at high current density (600C) for 2000 cycles. An all-organic cell consisting of perylene polyimide-polyether as anode ...
The thermal runaway of lithium batteries has become an urgent problem that needs to be solved today. In this study, polyimide aerogel materials with high temperature resistance and low thermal conductivity were prepared by supercritical drying equipment. Firstly, the activation energy distribution of the two pseudo-components of polyimide aerogels was …
Here, we report the first Mg-ion battery using a Mg2+ aqueous electrolyte, nickel hexacyanoferrate cathode, and polyimide anode. The operation depends on Mg2+ intercalation–deintercalation at the cathode and reversible enolization at the anode, accompanied by Mg2+ transport between cathode and anode.
Polyimide (PI) is a durable and low-cost engineering plastic with high thermal resistance, chemical inertness, and insolubility in common organic solvents. PI was reported as a high-performance cathode material in lithium-ion batteries (LIBs) in 2010 [24], and its applications have been extended to many other stationary energy storage systems ...
Polyimides (PIs) as coatings, separators, binders, solid-state electrolytes, and active storage materials help toward safe, high-performance, and long-life lithium-ion batteries (LIBs). Strategies to design and utilize PI materials have been discussed, and the future development trends of PIs in LIBs are outlooked.
Organic compounds have recently gained significant attention as materials for the next generation of sustainable energy storage devices. Polyimides are one of the most attractive types of organic battery cathode materials, especially if they are produced from easily accessible, inexpensive reagents. However, these polymers are still at the early stage of development for …
For example, although polyimide typically has a modulus >1 GPa, when used as a binder for Si electrodes, 80% of the initial capacity is maintained for only 20 cycles 54. Ideally, a binder should ...
DOI: 10.1021/ACSAEM.1C00092 Corpus ID: 233782130; m-Phenylenediamine as a Building Block for Polyimide Battery Cathode Materials @inproceedings{Kapaev2021mPhenylenediamineAA, title={m-Phenylenediamine as a Building Block for Polyimide Battery Cathode Materials}, author={Roman R. Kapaev and Alexey …
Herein, we report the preparation of porous polyimide (PI) with a cost-effective synthesis process by polycondensation between melamine and dianhydride monomers. The …
Lithium-ion batteries (LIBs) have helped revolutionize the modern world and are now advancing the alternative energy field. Several technical challenges are associated with LIBs, such as increasing their energy density, improving their safety, and prolonging their lifespan. …
Organic polyimides are promising magnesium battery cathodes with the open and amorphous frameworks as well as enhanced charge delocalization. However, only two carbonyls are redox-active out of four for each imide unit, which largely limits the capacity. Herein, a new polyimide containing disulfide bond is fabricated and studied as cathode for ...
A novel series of sulfonated polyimide (SPI)/polyvinyl alcohol (PVA) composite membranes applied in vanadium redox flow battery (VRFB) is prepared and characterized in this work. With the hydrophilicity and good barrier of PVA, the composite membranes exhibit better hydrolysis stability and vanadium ion resistance than normal SPIs with five-membered rings. In …
The other four polyimides show significantly higher capacity retention (97.4%, 98.1%, 97.2%, and 81.4%) than that of PBN (The solubility tests of the polyimides and the corresponding UV–vis spectra are shown in Figs. S4 and S5, indicating the low solubility of the polyimides). These results suggest that the introduced carbonyl group and conjugated …
Subsequently, the yellow polyimide power was carbonized at 1 °C min −1 to 350 °C for 1 h and then 3 °C min −1 to 900 °C for 1 h under nitrogen flow. Finally, the obtain carbon microspheres were activated by using KOH with a weight ratio of 1:4 at 800 °C for 1 h, and then thoroughly washed with 1 M HCl and distilled water until a ...
Polyimide (PI) possesses stable aromatic core, π–π stacking interaction, and increased conjugated system, which are favorable for fast charge transfer kinetics and stable cycling performance of aqueous hydronium-ion battery. Here, the synthesis PI by 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTCDA) and urea is reported. ...
Polyimide/metal-organic framework hybrid for high performance Al - Organic battery Energy Storage Materials ( IF 18.9) Pub Date : 2020-06-09, DOI: 10.1016/j.ensm.2020.05.029
For the lithium ion battery, the transition metal oxides (LiFePO 4, LiCoO 2 and Li 2 MnO 3 etc.) and sulfides are excellent reversible cathode materials; the carbon materials …
1 Introduction. In 2018, the total energy consumption of the world grew by 2.3%, nearly doubling the average growth rate from 2010 to 2017. In the same year, the electricity demand grew by 4%. [] A large proportion of the produced energy came from fossil fuels, only 26% of the electricity was generated by renewable sources. [] Due to their large environmental impact and the ongoing …
Herein, we report an aqueous hydronium-ion battery based on a PI anode and a MnO 2 @graphite felt (GF) cathode. During charging and discharging process, the PI can …