Graphene induced carbonization of polyimide films to prepared …
DOI: 10.1016/j.ceramint.2019.10.042 Corpus ID: 210522145; Graphene induced carbonization of polyimide films to prepared flexible carbon films with improving-thermal conductivity
Srinivas Gandla, Muhammad Naqi, Mingoo Lee, Jung Joon …
convert polyimide substrates into electrically conductive films (10 16 to 3 × 10 −3 Ω cm) is by ion beam bombardment in the keV range, ascribed as beaminduced carbonization, in which
Laser-induced graphene: Carbon precursors, fabrication …
Laser processing can achieve the embedding and synthesis of composite materials on flexible substrates [26], [27], and create patterned electrodes or circuits while enabling LIG unique porous carbon structures [28], [29].Functionalized electrode materials prepared based on LIG activation, doping, modification, and surface wettability regulation can …
Structure evolutions involved in the carbonization of polyimide …
Two polyimide (PI) fibers with different chemical structures, pyromellitic dianhydride (PMDA)/4,4′-oxydianiline (ODA) and 3,3′,4,4′-biphenyldianhydride (BPDA)/p-phenylenediamine (p-PDA)/2-(4 ...
Carbonization and graphitization of polyimide film "Novax"
DOI: 10.1016/0008-6223(91)90042-H Corpus ID: 135846617; Carbonization and graphitization of polyimide film "Novax" @article{Inagaki1991CarbonizationAG, title={Carbonization and graphitization of polyimide film "Novax"}, author={Michio Inagaki and L J Meng and Tsutomu Ibuki and Mototsugu Sakai and Yoshihiro Hishiyama}, journal={Carbon}, year={1991}, …
Carbonization and graphitization of polyimide film "Novax"
Polyimide films "Novax" consisting of the imide part with the bridging part of a random mixture of two different structures, were carbonized at various temperatures up to 1100°C and graphitized at 3000°C. ... It might be worthwhile to try carbonization of the polyimide having only OTD component in the bridging part of the molecule, though ...
Characterization and Thermal Degradation Study of …
dark brown, pure polyimide film without Ferrum complex was also prepared. 2.3 Carbonization of PI and PI‑Fe Composite Films The carbonization proceeded under nitrogen atmosphere in a tubular furnace. The thermal-treated PI pure and PI-Fe lms were sandwiched between polished articial graphite plates
Polyimides as Promising Materials for Lithium-Ion Batteries: A …
Aligned channels were made on the thin Kapton PI film by using the track-etching method. Then PEO/lithium bis-(trifluoromethanesulfonyl)imide (LiTFSI)/acetonitrile solution was dropped and spun on this porous PI membrane to infiltrate the pores. ... He, L. Qiao et al., Recent developments of polyimide materials for lithium-ion battery ...
Carbonization of polyimide film "Kapton"
DOI: 10.1016/0008-6223(89)90131-0 Corpus ID: 97955452; Carbonization of polyimide film "Kapton" @article{Inagaki1989CarbonizationOP, title={Carbonization of polyimide film "Kapton"}, author={Michio Inagaki and Sunao Harada and Tetsuhito Sato and Tsuyoshi Nakajima and Yuji Horino and Kenji Morita}, journal={Carbon}, year={1989}, volume={27}, pages={253 …
(PDF) Highly Linear and Stable Flexible Temperature …
In another study, a laser-induced carbonization technique is used to directly create a flexible temperature sensor on Kapton polyimide films that are then merged with flexible printed circuit ...
Structure and surface elemental state analysis of polyimide resin film ...
The carbon materials prepared from polyimide (PI) resin film were investigated by TG-DTG, X-ray powder diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) analysis. TG-DTG study revealed that the weight loss of PI resin film during carbonization occurred in three stages, and the most serious changes occurred at 605.5°C. XRD results indicated that a disorder …
Structure evolutions involved in the carbonization of polyimide …
DOI: 10.1016/J.MTCOMM.2014.08.001 Corpus ID: 97297882; Structure evolutions involved in the carbonization of polyimide fibers with different chemical constitution @article{Zhang2014StructureEI, title={Structure evolutions involved in the carbonization of polyimide fibers with different chemical constitution}, author={Mengying Zhang and Hongqing …
Carbonization mechanisms of polyimide: Methodology to analyze …
Carbonization process of pyromellitic dianhydride (PMDA)-4,4′-diaminodiphenyl ether (ODA)-type polyimide has been studied for decades. However, various reaction mechanisms have been proposed and the detailed mechanisms are still controversial. It is essential to understand the carbonized structures of PMDA-ODA-type polyimide before …
A critical review on polyimide derived carbon materials for high ...
First, the UiO-66 crystals are synthesized and introduced into polyimide (PI) by in-situ polymerization and thermal imidization to fabricate composite films. After carbonization, the Zr@C composites are obtained, and the influences of UiO-66 content and carbonization temperature on the structures and electrochemical behaviors are investigated.
Structural Effect of Polyimide Precursors on Highly Thermally ...
In this study, polyimide (PI) with high carbonization yield was used as a precursor to prepare graphite films with high thermal conductivity. The crystallinity, grain size, and thermal conductivity of the graphite films were characterized and found to vary according to the chemical structure of the PI precursor. Aromatic PIs containing ortho-substituted hydroxyl groups in the PI main …
Catalytic and enhanced effects of silicon carbide nanoparticles on ...
The thermal conductivity is 1781 W·m⁻¹·K⁻¹ and the conductivity is 1.63×10⁶ S·m⁻¹, which is 1.49 and 2.18 times of graphite film from pure PI film, 1.94 and 2.34 times of graphite ...
Carbonization and graphitization of polyimide films : Polyamide …
The polyimide films were then carbonized by heating to 900°C, and the electrical conductivity of the carbonized films was measured at room temperature. ... {Carbonization and graphitization of polyimide films : Polyamide acid methyl ester of PMDA/PDA as a precursor}, author={Tsutomu Takeichi and Yoshinori Endo and Yutaka …
Highly Doped 3D Graphene Na-Ion Battery Anode by Laser …
Kim et al. [86] presented a different approach of preparing N-doped LIG which is by laser carbonization of a polyimide layer that was deposited on LIG that has been carbonized from an initial ...
Direct laser writing carbonization of polyimide films enabled ...
Direct laser writing carbonization of polyimide films enabled multilayer structures for the use in interfacial solar-driven water evaporation C. Xu, F. Gao, J. Tang, Y. Yao and T. Liu, J. Mater. Chem. A, 2022, 10, 12692 DOI: 10.1039/D2TA02557D . To request permission to reproduce ...
Polyimide-derived carbon nanofiber membranes as free-standing …
The as-obtained PAANMs were put into a carbonization furnace and heated at different carbonization temperatures of 500, 600, 700, 800, 900, 1000, and 1200 °C for 30 min under vacuum conditions. The heating rate is 2 °C min −1. The heating process before carbonization was maintained at 150 °C, 250 °C and 350 °C for 1 h, respectively.
Intrinsically microporous polyimide-based metal-free catalysts for ...
After carbonization, a notable shift in the major peak was observed in which P1, P2, P3, and P4 exhibited major peak at 2θ = 13.8°, 20.6°,23°, 24° with d-spacing of 6.3, 4.3, 3.8 and 3.7 Å ...
Polyimides as Promising Materials for Lithium-Ion …
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 …
Catalytic effect of nickel under carbonization of polyimide films
DOI: 10.1016/J.CARBON.2005.01.037 Corpus ID: 98650364; Catalytic effect of nickel under carbonization of polyimide films @article{Bin2005CatalyticEO, title={Catalytic effect of nickel under carbonization of polyimide films}, author={Yuezhen Bin and Kumiko Oishi and Ai Koganemaru and Dan Zhu and Masaru Matsuo}, journal={Carbon}, year={2005}, volume={43}, …
Laser-induced hierarchical carbon patterns on polyimide ...
Laser-induced carbonization of polyimide (e.g., its commercially available derivative, Kapton) has been attempted for its conversion into a porous carbon material that is useable in devices. 7,8,9 ...
Ultrathin, Graphene‐in‐Polyimide Strain Sensor via …
As seen in Figure 4g, for a 100-µm thick polyimide film, there is a large gap between the polyimide and the curved surface. As the thickness reduces to 20 µm, a polyimide film can bend to a certain extent, resulting in a smaller gap. Especially, for the 8-µm polyimide film, it can achieve conformal attachment.
One-step laser induced conversion of a gelatin-coated polyimide film ...
Latest advances have witnessed the laser induction process on polyimide (PI) films for the formation of porous graphene. Herein, a fully converted graphene film was prepared by Nd:YAG laser scribing a gelatin coated PI film. It was found that the gelatin played the role of "shield" well in absorbing intense laser impact and benefit for the surface morphology …
Highly Thermal Conductive Graphite Films Derived from the ...
With the large-scale application and high-speed operation of electronic equipment, the thermal diffusion problem presents an increasing requirement for effective heat dissipation materials. Herein, high thermal conductive graphite films were fabricated via the graphitization of polyimide (PI) films with different amounts of chemical catalytic reagent. The …
Research Progress of Polyimide-based Composite Materials in …
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, …
A critical review on polyimide derived carbon materials for high ...
First, the UiO-66 crystals are synthesized and introduced into polyimide (PI) by in-situ polymerization and thermal imidization to fabricate composite films. After …
(PDF) Highly Linear and Stable Flexible Temperature
In another study, a laser-induced carbonization technique is used to directly create a flexible temperature sensor on Kapton polyimide films that are then merged with flexible printed circuit ...
Carbonization behavior of polyimide film containing iron complex …
A ferromagnetic film composed of carbon matrix and dispersed fine iron particles was prepared by heating a polyimide film containing iron complex at temperatures up to 1000 °C. The particles were formed and distributed homogeneously on the film surfaces by heat treatments at 600 °C and above, and inside the films at 700 °C and above. The particles were …
Mechanical, electrical and carbonization properties of graphene …
In this study, we have proposed a rather simple approach to achieving graphene oxide/polyimide (GO/PI) composite films using pre-in situ polymerization. The mechanical, electrical, and carbonization properties of the films were significantly enhanced in the presence of GO. With an addition of 1.0 wt% GO, the tensile strength and Young''s modulus …
Polyimide-Derived Carbon-Coated Li4Ti5O12 as High-Rate …
Carbon-coated Li4Ti5O12 (LTO) has been prepared using polyimide (PI) as a carbon source via the thermal imidization of polyamic acid (PAA) followed by a carbonization process. In this study, the PI with different structures based on pyromellitic dianhydride (PMDA), 4,4′-oxydianiline (ODA), and p-phenylenediamine (p-PDA) moieties have been synthesized. …
High-performance quasi-solid-state flexible sodium metal battery ...
A substrate-free carbon-coated FeS 2 fiber-based cathode is prepared by electrospinning.. Sodium metal on the polyimide film provides a high flexible sodium metal battery.. Discharge capacity of 808.26 mAh g −1 is obtained with the flexible sodium metal battery.. The flexible sodium metal battery allows high reversibility and electrochemical stability.
Ultrathin, Graphene‐in‐Polyimide Strain Sensor via …
As seen in Figure 4g, for a 100-µm thick polyimide film, there is a large gap between the polyimide and the curved surface. As the thickness reduces to 20 µm, a polyimide film can bend to a certain extent, resulting in a …
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Frequently Asked Questions
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What is photovoltaic energy storage?
Photovoltaic energy storage is the process of storing solar energy generated by photovoltaic panels for later use.
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How does photovoltaic energy storage work?
It works by converting sunlight into electricity, which is then stored in batteries for use when the sun is not shining.
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What are the benefits of photovoltaic energy storage?
Benefits include energy independence, cost savings, and reduced carbon footprint.
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What types of batteries are used in photovoltaic energy storage?
Common types include lithium-ion, lead-acid, and flow batteries.
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How long do photovoltaic energy storage systems last?
They typically last between 10 to 15 years, depending on usage and maintenance.
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Can photovoltaic energy storage be used for backup power?
Yes, it can provide backup power during outages or emergencies.