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Anthracene hydrogen energy storage

Rational Design of Bifunctional Microporous Organic Polymers

In this study, we synthesized two conjugated microporous polymers (CMPs), An-Ph-TPA and An-Ph-Py CMPs, using the Suzuki cross-coupling reaction. These CMPs are organic polymers with p-conjugated skeletons and persistent micro-porosity and contain anthracene (An) moieties linked to triphenylamine (TPA) and pyrene (Py) units. We characterized the chemical

Design and synthesis of bifunctional conjugated microporous

Rational Design of Bifunctional Microporous Organic Polymers Containing Anthracene and Triphenylamine Units for Energy Storage and Biological Applications. Construction of Porous Organic/Inorganic Hybrid Polymers Based on Polyhedral Oligomeric Silsesquioxane for Energy Storage and Hydrogen Production from Water. Polymers, 15

Hydrogen rearrangements in the fragmentation of anthracene by

Hydrogen rearrangements in the fragmentation of anthracene by low-energy electron impact [38] DFT calculation3 10.44 eV 12.44 1 On anthracene-d10. 2 Values from Table 1, for 24 µs ion trap storage time. 3 Values obtained from Tables 2 and 5. 4.3 Groups 8–13: evidence for hydrogen rearrangements 4.3.1 Groups 11 and 13 The peaks in group

High-capacity methane storage in flexible alkane-linked porous aromatic

Many different porous materials have been considered for adsorptive, reversible methane storage, but fall short of the US Department of Energy targets (0.5 g g−1, 263 l l−1).

Ultrastable Covalent Triazine Organic Framework Based on Anthracene

The energy density of carbon-based supercapacitors is directly connected to the specific capacitance of carbon nanomaterials and the voltage window [12,13,14,15,16,17,18]. As a result, increased porosity with a large surface area and strong electrical conductivity are essential components of high-performance pseudocapacitive energy storage devices.

Self-activated energy release cascade from anthracene-based solid

The solid-state MOST energy storage system that requires minimal energy input for triggering significantly enhances the efficiency of heat release, and we anticipate further development of diverse condensed-phase MOST energy storage systems that are fine-tuned

Materials for Hydrogen Storage and Synthesis of New

hydrogen energy applications. In this Thesis, it is shown that new materials with interesting were synthesized by the reaction between fullerene C60 and coronene/anthracene. Despite negligible Hydrogen storage in Co- and Zn-based metal-organic frameworks at ambient temperature. Luzan S.M., Jung H., Chun H.,

Literature review: state-of-the-art hydrogen storage technologies

Greenhouse gas anthropogenic emissions have triggered global warming with increasingly alarming consequences, motivating the development of carbon-free energy systems. Hydrogen is proposed as an environmentally benign energy vector to implement this strategy, but safe and efficient large-scale hydrogen storage technologies are still lacking to

[PDF] High Volumetric Hydrogen Adsorption in a Porous Anthracene

An unprecedented ligand-based binding domain for D2 within a porous metal–organic framework (MOF) material as confirmed by neutron powder diffraction studies of D2-loaded MFM-132a shows exceptional volumetric hydrogen adsorption and the highest density of adsorbed H2 within its pores among all the porous materials reported to date. We report an

Self-activated energy release cascade from anthracene-based

We discovered donor-acceptor anthracene derivatives that absorb photon energy and store it in strained chemical bonds by dimerizing in the solid state. The compounds exhibit a unique self-activated energy release during their cycloreversion, which addresses a key challenge in extracting the stored energy in molecular solar thermal energy storage systems.

Photophysical Properties of Anthracene Derivatives

In this tutorial review, we intend to provide the reader with a comprehensive introduction to the photophysical properties of organic compounds with a specific focus on anthracene and its derivatives. Anthracene-based building blocks have attracted the attention of chemists due to their intrinsic luminescent properties. A deep understanding of their interaction with light, including

The Norbornadiene/Quadricyclane Pair as Molecular Solar Thermal Energy

The reaction enthalpy, corresponding to the maximum storage energy, is in the liquid phase, 32 resulting with a molar mass of in a storage density of, in line with calculated data. 18d According to the Woodward–Hoffmann selection rules for concerted cycloaddition reactions, 33 the ring opening from QC to NBD 34 is formally forbidden, which

Photoswitches and photochemical reactions for optically

Capturing photon energy from the sunlight by the reversible transformation of molecules, called molecular solar thermal (MOST) energy-storage systems, allows for the direct storage and triggered release of such energy, complementary to solar cells and artificial leaves. In order to maximize the energy densities of MOST systems, it is critically important to engineer

Partial Hydrogenation of Anthracene with In Situ Hydrogen

Partial hydrogenation of anthracene under CO-H2O, N2-H2O, and H2-H2O over Fe-based catalysts was studied at 400 °C and 10 MPa. Results show that the Fe-based catalysts display obvious catalytic activity for anthracene hydrogenation under CO-H2O instead of hydrogenation under N2-H2O and H2-H2O. The activity follows in the order of Fe(NO3)3·9H2O > Fe

Hydrogen production and solar energy storage with thermo

Hydrogen has tremendous potential of becoming a critical vector in low-carbon energy transitions [1].Solar-driven hydrogen production has been attracting upsurging attention due to its low-carbon nature for a sustainable energy future and tremendous potential for both large-scale solar energy storage and versatile applications [2], [3], [4].Solar photovoltaic-driven

Azobenzene-containing polymer for solar thermal energy storage

The solar energy storage through photoisomerization of azobenzene compounds has been investigated for more than 30 years. In 1983, Olmsted et al. studied the photochemical conversion and storage potential of azobenzene compounds [51].Yoshida in 1985, Brun et al. in 1991, and Dubonosov et al. in 2002 summarized the checklist of molecular properties and

Hydrogen energy future: Advancements in storage technologies

The paper offers a comprehensive analysis of the current state of hydrogen energy storage, its challenges, and the potential solutions to address these challenges. As the world increasingly seeks sustainable and low-carbon energy sources, hydrogen has emerged as a promising alternative. However, realizing its potential as a mainstream energy

The Role of the Metal in the Catalytic Reactions of Hydrogenation

The design of benign and safe hydrogen storage systems is the priority in the development of new energy carriers. The storage of hydrogen in a liquid or compressed state, as well as in metal hydrides and adsorbents, depends on pressure and temperature and under normal conditions does not meet the criteria of the target hydrogen storage capacity, energy

International Journal of Hydrogen Energy

Under specific light excitation, materials such as anthracene, norbornadiene and azobenzene can be converted between steady-state and high-energy metastable. Thermodynamics analysis of a hybrid system based on a combination of hydrogen fueled compressed air energy storage system and water electrolysis hydrogen generator. Int J

High Volumetric Hydrogen Adsorption in a Porous Anthracene

Introduction. Hydrogen (H 2) is a promising energy carrier for mobile applications due to its abundance and the absence of CO 2 output at the point of use. 1 Although H 2 has a high energy density by mass (120 MJ kg –1 vs 44.5 MJ kg –1 for gasoline), it has low volumetric energy density because of its volatility at ambient conditions. 2 As a result, a safe

Materials for Hydrogen Storage and Synthesis of New

The high gravimetric and volumetric capacity of hydrogen is an advantage of fulleranes. However, the relatively high temperatures required for hydrogenation and hydrogen release, as well as

A new approach exploiting thermally activated delayed

We propose a new concept exploiting thermally activated delayed fluorescence (TADF) molecules as photosensitizers, storage units and signal transducers to harness solar thermal energy. Molecular

Photoswitches and photochemical reactions for optically

Molecular solar thermal (MOST) energy-storage materials are a class of compounds that store photon energy in chemical bonds upon photoconversion, which releases as heat during reversion when triggered by external stimulation. 1, 2, 3 MOST materials typically consist of photoswitches that isomerize between the thermodynamically stable and metastable

Selective Hydrogen Transfer to Anthracene and Its Derivatives

Hydrogenation reactions of three polycyclic arenes (PCAs), that is, anthracene, 9-phenylanthracene (PA), and 9,10-diphenylanthracene (DPA) were carried out under an initial hydrogen pressure of 5 MPa at 300 °C. An activated carbon (AC, a metal-free catalyst), was employed to catalyze the PCA hydroconversions. The results show that the AC can split

Partial Hydrogenation of Anthracene with In Situ

Results indicate that the Fe 3 O 4 species play a key role in hydrogenation of anthracene under CO and H 2 O. Higher catalytic activity for Fe (NO 3) 3 ·9H 2 O is due to its complete decomposition at 350 °C to acquire higher concentration

Recent Progress Using Solid-State Materials for Hydrogen Storage

With the rapid growth in demand for effective and renewable energy, the hydrogen era has begun. To meet commercial requirements, efficient hydrogen storage techniques are required. So far, four techniques have been suggested for hydrogen storage: compressed storage, hydrogen liquefaction, chemical absorption, and physical adsorption.

Status and challenges for molecular solar thermal energy storage

Several methods for storing solar energy, such as the use of electrochemical batteries, hydrogen energy storage, and carbon dioxide conversion, are being implemented. 5 A relatively unexplored method is the use of photoswitchable molecules, called molecular solar thermal energy storage systems (MOST) or solar thermal fuels (STF), which can

Self-activated energy release cascade from anthracene-based

First, the maximum energy storage density of 42 kJ/mol per cyclobutane and gravimetric energy density of 51 J/g 35 were suboptimal compared with the conventional MOST systems such calculation results suggest that there is a large gap between the ΔG storage of 9-CN-anthracene (106 kJ/mol) and the rest of anthracene derivatives (51–65 kJ

Anthracene hydrogen energy storage [PDF]

4 FAQs about [Anthracene hydrogen energy storage]

Is anthracene suitable for thermoelectric effect studies?

Anthracene ( \ (\mathrm {C}_ {14}\hbox {H}_ {10}\)) is a solid tricyclic aromatic hydrocarbon which is made up of three fused benzene rings. Anthracene molecular nanojunctions are suitable candidates for thermoelectric effect studies since they have good conduction properties 35.

Do graphene electrodes enhance thermoelectric properties in anthracene molecular device?

Ramezani Akbarabadi, S., Rahimpour Soleimani, H., Golsanamlou, Z. et al. Enhanced thermoelectric properties in anthracene molecular device with graphene electrodes: the role of phononic thermal conductance.

How does anthracene form a doped structure?

In order to establish the doped structures, one of the hydrogen-passivated carbon atoms in the anthracene molecule is replaced by a single B or N atom. In this setting, the anthracene molecule is connected to the metallic ZGNR using a strong covalent bond.

Which atoms are used to dope a carbon atom in anthracene molecule?

We used B, N and NB atoms to dope the carbon atoms located at the edge of the anthracene molecule sample. Temperature dependence of the total figure of merit for the B-doped, N-doped (left y-axis), NB-doped and non-doped (right y-axis) molecular junctions which consists of both the electronic and phononic linear response transport coefficients.

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