Boosted energy storage via carbon surface passivation

Electric double layer capacitors (EDLCs), storing charges via physical ionic adsorption/desorption on the carbon surface, feature high-rate charge-discharge, long cycle life and low cost [1, 2].Nevertheless, the energy density of EDLCs (∼5 Wh kg −1) is much lower than that of batteries (usually > 40 Wh kg −1), which hinders their wide …

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Fluorine and Nitrogen Dual-Doped Porous Carbon Nanosheet …

Abstract. The development of electrode materials with high volumetric performance in compact energy storage is extremely appealing, yet challenging. …

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Reinforced energy storage performance of poly(vinylidene fluoride) composite films by filling with surface fluorinated …

Energy storage density and discharge efficiency of surface fluorinated one-dimensional barium titanate nanofiber/PVDF composite films under different working electric fields. In practical applications, high-performance capacitors are required to have both high energy storage density and high discharge efficiency [25], [26] .

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High storage capacity and high formation rate of carbon dioxide hydrates via super-hydrophobic fluorinated …

CO 2 storage property of FG-1 was 1.24–7.56 times other nanomaterials, reaching 5.02 mmol/g H 2 O. • FG-1 ensured the continuous hydrate growth by creating a gas-liquid mass transfer platform. • A model of interfacial modification to improve the carbon

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Fluorination methods and the properties of fluorinated carbon …

As a result, the fluorinated hard carbon obtained at 390 C showed a specific capacity of approximately 922.6 mAh g −1, an discharge potential of 2.7 V, and an energy density of 2466 Wh kg −1, which was higher than the theoretical value (2180 Wh kg −1

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Fluorinated Carbon Materials and the Applications in Energy Storage Systems,ACS Applied Energy …

Fluorinated Carbon Materials and the Applications in Energy Storage ACS Applied Energy Materials ( IF 6.024) Pub Date : 2022-02-09, DOI: 10.1021/acsaem.1c03476 Zhong Fang, Yu Peng, Xing Zhou, Lei Zhu, Yonggang Wang, Xiaoli Dong, Yongyao Xia

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Syntheses and properties of fluorinated carbon materials

Lee and Lee [83] and Lee and co-workers [84] investigated in detail oxyfluorinated PAN-based carbon fibers at room temperature using fluorine–oxygen mixtures, and the influence of oxyfluorination on various properties, such as wettability, surface polarity, surface free energy, conductivity and tensile strength. 3.3.1.

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Composite cathode materials for next-generation lithium fluorinated carbon …

Amongst, lithium fluorinated carbon (Li/CF x) primary batteries using fluorinated carbon (CF x) as cathode and lithium metal as anode have attracted plenty of attention. The theoretical energy density of CF x ( x = 1) cathode reaches 2180 Wh kg −1, to be the highest among conventional cathodes for primary lithium batteries (1470 Wh kg −1 …

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Status and development trends for fluorinated carbon in China

Abstract. Fluorinated carbon (CF x) are a class of carbon derivatives with C–F bonds formed by the fluorination of carbon materials, including graphite, graphene, and carbon nanotubes. Because of their different carbon skeletons with polar C–F bonds, they have many excellent properties such as chemical stability, band gap adjustability and ...

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Highly porous nanocarbons derived from fluorinated polyimide and metal organic framework for energy storage …

N 2 adsorption–desorption isotherm was performed to verify the pore size distribution and surface area (Fig. 2 c). The c-fPI exhibited a type-I isotherm with an abrupt N 2 increase at a relatively small pressure, implying the microporous structure with a small pore size (<2 nm) and a large specific surface area of 956 m 2 g –1, which were …

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Fluorinated electrode materials for high-energy batteries: Matter

In the past decades, commercial LIBs have been based on intercalation-type cathode materials, mainly including olivine LiFePO 4, layered LiCoO 2, spinel LiMn 2 O 4, and layered LiNi x Mn y Co z O 2. To pursue high-energy batteries, it is highly desirable to explore high-performance fluorinated electrode materials via electrode design.

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Honeycomb-like porous carbon derived from fluorinated …

These MOF-derived materials, encompassing metal oxide, porous carbon, and metal oxide@C composites, have exhibited outstanding performance in energy storage devices. While the application of MOFs in deriving phosphides, sulfides and selenides has gained interest, it remains an area with untapped potential.

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Multifunctional fluorinated carbon dots artificial interface layer …

Carbon dots as a new type of carbon material are known to us for their abundant surface functional groups, wide source of raw materials, adjustable structure and good dispersion, playing vital roles in the field of energy storage [14], [15], [16].

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New Fluorinated Carbons: Fundamentals and Applications : …

Academic Press, Sep 8, 2016 - Science - 442 pages. New Fluorinated Carbons: Fundamentals and Applications is the second volume in Alain Tressaud''s Progress in Fluorine Science series. This volume provides an overview of cutting-edge research and emerging applications using new fluorinated carbon materials such as fullerenes, …

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The electrochemical performances of fluorinated hard carbon as …

The energy storage mechanism of HATNTI‐Pr with up to nine Li + storage ability is investigated. View Show abstract Room-temperature phosphorescent fluorine-nitrogen co-doped carbon dots ...

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Fluorination in advanced battery design | Nature Reviews Materials

This Review explores the broad use of fluorinated compounds in battery design, examines the relationship between their chemical structure and battery …

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Fluorinated electrode materials for high-energy batteries

Summary. High-capacity and high-voltage fluorinated electrode materials have attracted great interest for next-generation high-energy batteries, which is associated with the high electronegativity of fluorine. They constitute a large family with varied structures and compositions that can bring huge opportunities for high-energy batteries.

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Recent advances in fluorine-doped/fluorinated carbon-based …

In view of the superior electrical conductivity of carbon materials and the extraordinary functionality of compounds doped with fluorine atoms, fluorinated carbon …

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Fluorinated Carbons as Rechargeable Li-Ion Battery Cathodes in …

Fluorinated carbon (CF x) cathodes have the highest theoretical energy density among lithium primary batteries. However, it is still a huge challenge to be …

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Honeycomb-like porous carbon derived from fluorinated …

DOI: 10.1016/j.est.2023.106939 Corpus ID: 257449972 Honeycomb-like porous carbon derived from fluorinated magnesium-based metal organic frameworks as an electrode material for supercapacitors @article{Liu2023HoneycomblikePC, title={Honeycomb-like ...

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Fluorinated sodium aluminate main conducting salt boosting sodium storage of hard carbon …

Unfortunately, the sodium storage capability of the hard carbon (HC) anode is restricted within the low potential plateau region (0–0.1 V vs. Na + /Na), and the stability of the solid electrolyte interphase (SEI) layer formed is compromised by its susceptibility to dissolution in the electrolyte.

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Composite cathode materials for next-generation lithium fluorinated carbon …

[1,2] Lithium/fluorinated carbon (Li/CF x ) batteries possess the highest theoretical energy density (2180 Wh kg −1 ) among primary batteries, as well as stable voltage plateau, long storage ...

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Surface-Fluorinated Carbon Materials for Supercapacitor

Fluorinated carbon materials have primarily been used as electrode materials for lithium-ion batteries, primary lithium batteries, fuel cells, etc.; however, their application in super capacitors is rare. Fluorination is one of the most effective methods for controlling the textural and surface properties of carbon materials.

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Gelatin-derived honeycomb like porous carbon for high mass …

The above results indicate that carbon materials prepared from glutaraldehyde cross-linked gelatin are expected to be one of the most attractive candidates for energy storage. Download : Download high-res image (487KB) Download : Download full-size image .

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Fluorination in advanced battery design | Nature Reviews Materials

The increasing demand for high-performance rechargeable batteries, particularly in energy storage applications such as electric vehicles, has driven the development of advanced battery ...

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High storage capacity and high formation rate of carbon dioxide hydrates via super-hydrophobic fluorinated …

By comparing the CO 2 storage performance and observing the hydrate formation process, the principle of promoting the growth of carbon dioxide hydrate by fluorinated graphene was explored. Compared with hydrophilic graphite, fluorinated graphite with micron particle size and FG-2 with low hydrophobicity, FG-1 was found to …

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Honeycomb-like porous carbon derived from fluorinated …

This honeycomb-like APC is a potential energy storage material with abundant porous structure (3,247 m 2 g −1), highest specific capacitance (368.0 F g −1 at 1 A g −1) and excellent cyclic stability (96.25%, 150,000 cycles at 50 A g −1). 2. Experimental2.1.

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Fluorinated microporous carbon spheres for Li/CFx batteries with high volumetric energy …

Fluorinated graphene nanoribbons from unzipped single-walled carbon nanotubes for ultrahigh energy density lithium-fluorinated carbon batteries Sci. China Mater., 64 ( 2021 ), pp. 1367 - 1377, 10.1007/s40843-020-1551-x

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Recent advances in fluorine-doped/fluorinated carbon-based …

Carbon‐based nanomaterials, including graphene, fullerenes, and carbon nanotubes, are attracting significant attention as promising materials for next‐generation energy storage and conversion ...

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Fluorinated Sodium Aluminate Main Conducting Salt Boosting Sodium Storage of Hard Carbon …

DOI: 10.1016/j.ensm.2024.103445 Corpus ID: 269726661 Fluorinated Sodium Aluminate Main Conducting Salt Boosting Sodium Storage of Hard Carbon @article{Xu2024FluorinatedSA, title={Fluorinated Sodium Aluminate Main Conducting Salt Boosting Sodium Storage of Hard Carbon}, author={Hongyue Xu and Chuanchuan Li …

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Fluorinated electrode materials for high-energy batteries

Fluorinated electrode materials were investigated very early during the development of Li-based cells (Figure 1) the 1960s, the metal fluorides (e.g., CuF 2 and CoF 3) were first developed as conversion-type cathodes in high-capacity Li-based primary cells toward space applications. 25 Furthermore, Arai et al. reported the first investigation …

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High-energy and wearable fiber-shaped asymmetric supercapacitors based on the combination of fluorinated polyimide and Co3O4 on carbon …

When energy storage devices undergo significant mechanical deformation, there is a risk of electrodes short-circuiting, which can lead to an undesired drop in performance. The mechanical stability of f-ASCs was investigated using PVA/KOH solid electrolyte.

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Fluorinated microporous carbon spheres for Li/CFx batteries with high volumetric energy …

Fluorinated carbon (CF x) compounds have extensive applications in lithium primary battery cathodes owing to their high energy density this investigation, a novel CF x compound offering superior electrochemical properties was synthesized via a low-temperature fluorination process, utilizing Pluronic F127 as a template agent and …

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