Polysilanes: The grail for a highly-neglected hydrogen storage source

Brunel, Jean Michel

doi:10.1016/j.ijhydene.2017.07.206

Cited by 13 publications

(15 citation statements)

References 18 publications

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“…the rate was much faster at 20 °C than at 0 °C). J. M. Brunel used 30% NaOH solution and hexamethylphosphoramide as a catalyst to produce hydrogen from silanes . Interestingly, it was determined that pentasilanes produced the highest amounts of hydrogen known from disilanes using a total of 6 L of silane to produce 1 kg of hydrogen gas, whereas if the same amount was to be converted from liquid hydrogen, 20 L would be required.…”

Section: Polysilanes As Hydrogen Storage Materialsmentioning

confidence: 99%

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Properties and applications of polysilanes

Kumar

Leitao

2020

Applied Organom Chemis

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Section: Polysilanes As Hydrogen Storage Materialsmentioning

confidence: 99%

“…Similar studies have been carried out by Yu et al . where a rhodium‐based catalyst was used to convert silanes to silanols while simultaneously producing hydrogen gas [93b]…”

Section: Polysilanes As Hydrogen Storage Materialsmentioning

confidence: 99%

Properties and applications of polysilanes

Kumar

Leitao

2020

Applied Organom Chemis

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“…The outcome of these two processes has merit by virtue of silicon functionality in secondary organosilanes and polymers with silane-end functional groups, which allows further elaboration. 2627282930…”

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confidence: 99%

Catalytic hydrogen atom transfer from hydrosilanes to vinylarenes for hydrosilylation and polymerization

et al. 2019

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Because of the importance of hydrogen atom transfer (HAT) in biology and chemistry, there is increased interest in new strategies to perform HAT in a sustainable manner. Here, we describe a sustainable, net redox-neutral HAT process involving hydrosilanes and alkali metal Lewis base catalysts — eliminating the use of transition metal catalysts — and report an associated mechanism concerning Lewis base-catalysed, complexation-induced HAT (LBCI-HAT). The catalytic LBCI-HAT is capable of accessing both branch-specific hydrosilylation and polymerization of vinylarenes in a highly selective fashion, depending on the Lewis base catalyst used. In this process, earth abundant, alkali metal Lewis base catalyst plays a dual role. It first serves as a HAT initiator and subsequently functions as a silyl radical stabilizing group, which is critical to highly selective cross-radical coupling. EPR study identified a potassiated paramagnetic species and multistate density function theory revealed a high HAT character, yet multiconfigurational nature in the transition state of the reaction.

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“…[40][41][42] Third, the only by-products, silanols derived from siloxane hydrolysis, are widely used in cross-coupling reactions and silicon-based polymeric building materials. [43][44][45][46][47] Fourth, some siloxanes, e.g. tetramethyldisiloxane (TMDSO), constitute silicone industrial refuse and need plenty of manpower and materials to degrade them.…”

Section: Introductionmentioning

confidence: 99%