Hypercrosslinked polyanilines with nanoporous structure and high surface area: potential adsorbents for hydrogen storage

Germain, Jonathan; Fréchet, Jean M. J.; Švec, František

doi:10.1039/b711509a

Cited by 301 publications

(354 citation statements)

References 49 publications

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“…BET surface area of the fresh Pd/C catalyst was evaluated and it was found to be 820 m 2 g −1 with pore volume and pore size of 0.73 cc g −1 and 3.56 nm respectively, which, according to the IUPAC classification, is characteristic of solid with mesoporous (2-50 nm) structure [72]. For the used catalyst, a BET surface area of 800 m 2 g −1 and pore volume and pore size of 0.77 cc g −1 and 3.86 nm respectively was obtained.…”

Section: Catalyst Characterisationmentioning

confidence: 99%

Hydrogen Generation from Additive-Free Formic Acid Decomposition Under Mild Conditions by Pd/C: Experimental and DFT Studies

et al. 2018

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Safe and efficient hydrogen generation and storage has received much attention in recent years. Herein, a commercial 5 wt% Pd/C catalyst has been investigated for the catalytic, additive-free decomposition of formic acid at mild conditions, and the experimental parameters affecting the process systematically have been investigated and optimised. The 5 wt% Pd/C catalyst exhibited a remarkable 99.9% H 2 selectivity and a high catalytic activity (TOF = 1136 h −1 ) at 30 °C toward the selective dehydrogenation of formic acid to H 2 and CO 2 . The present commercial catalyst demonstrates to be a promising candidate for the efficient in-situ hydrogen generation at mild conditions possibiliting practical applications of formic acid systems on fuel cells. Finally DFT studies have been carried out to provide insights into the reactivity and decomposition of formic acid along with the two-reaction pathways on the Pd (111) surface.

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Section: Catalyst Characterisationmentioning

confidence: 99%

Hydrogen Generation from Additive-Free Formic Acid Decomposition Under Mild Conditions by Pd/C: Experimental and DFT Studies

et al. 2018

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“…However, new systems, such as polymers of intrinsic microporosity (PIMs) (rigid macromolecules that form nanoporous organic materials because of their inability to pack space efficiently [175]) [176][177][178][179], hypercrosslinked polymers [180][181][182], amorphous conjugated microporous polymers (CMPs) [183], and polymeric cocrystalline forms [184], have emerged to overcome these problems. For instance, McKeown et al [176] and later Budd and coworkers [177] developed different PIMs systems with pore widths between 0.6 and 0.7 nm (the density and membrane thickness were not specified).…”

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confidence: 99%

Nanoporous polymeric materials: A new class of materials with enhanced properties

Notario

Pinto

Rodríguez‐Pérez

2016

Progress in Materials Science

187

125

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a b s t r a c tNanoporous polymeric materials are porous materials with pore sizes in the nanometer range (i.e., below 200 nm), processed as bulk or film materials, and from a wide set of polymers. Over the last several years, research and development on these novel materials have progressed significantly, because it is believed that the reduction of the pore size to the nanometer range could strongly influence some of the properties of porous polymers, providing unexpected and improved properties compared to conventional porous and microporous polymers and non-porous solids.In this review, the key properties of these nanoporous polymeric materials (mechanical, thermal, dielectric, optical, filtration, sensing, etc.) are analyzed. The experimental and theoretical results obtained up to date related to the structure-property relations are presented. In several sections, in order to present a more compressive approach, the trends obtained for nanoporous polymers are compared to those for metallic and ceramic nanoporous systems. Moreover, some specific characteristics of these materials, such as the consequences of the confinement of both gas and solid phases, are described. Likewise, the main production methods are briefly described. Finally, some of the potential applications of these materials are also discussed in this paper.

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“…The modified PANI, utilising different cross-linking agent, showed a high surface area reaching a value up to 632 m 2 g 1 . The hydrogen storage values, operating at 77 K and 60 bar, were about 2,5 wt% (Germain et al, 2007).…”

Section: Comparison Resultsmentioning

confidence: 99%

Solid State Hydrogen Storage in Polymeric Materials: A Review

Pedicini¹

2017

Energy Research Journal

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Hydrogen storage is one of the major obstacles to overcoming so that hydrogen becomes next fuel and/or energy carrier of the future. The hydrogen storage materials are one of the principal challenges that must be met before the development of a hydrogen economy. Among all materials studied an important class that could have a future, in particular in portable applications, is the polymers class. Here are reported some results obtained using different polymeric matrices in different operative conditions.

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Hypercrosslinked polyanilines with nanoporous structure and high surface area: potential adsorbents for hydrogen storage

Cited by 301 publications

References 49 publications

Hydrogen Generation from Additive-Free Formic Acid Decomposition Under Mild Conditions by Pd/C: Experimental and DFT Studies

Hydrogen Generation from Additive-Free Formic Acid Decomposition Under Mild Conditions by Pd/C: Experimental and DFT Studies

Nanoporous polymeric materials: A new class of materials with enhanced properties

Solid State Hydrogen Storage in Polymeric Materials: A Review

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