1,2,4-Triazolium perfluorobutanesulfonate as an archetypal pure protic organic ionic plastic crystal electrolyte for all-solid-state fuel cells

  title={1,2,4-Triazolium perfluorobutanesulfonate as an archetypal pure protic organic ionic plastic crystal electrolyte for all-solid-state fuel cells},
  author={Jiangshui Luo and Annemette Hindhede Jensen and Neil R. Brooks and Jeroen Sniekers and Martin Knipper and David Aili and Qingfeng Li and Bram Vanroy and Michael W{\"u}bbenhorst and Feng Yan and Luc van Meervelt and Zhigang Shao and Jianhua Fang and Zheng‐Hong Luo and Dirk E. De Vos and Koen Binnemans and Jan Fransaer},
  journal={Energy and Environmental Science},
1,2,4-Triazolium perfluorobutanesulfonate (1), a novel, pure protic organic ionic plastic crystal (POIPC) with a wide plastic crystalline phase, has been explored as a proof-of-principle anhydrous proton conductor for all-solid-state high temperature hydrogen/air fuel cells. Its physicochemical properties, including thermal, mechanical, structural, morphological, crystallographic, spectral, and ion-conducting properties, as well as fuel cell performances, have been studied comprehensively in… 

The influence of anion chemistry on the ionic conductivity and molecular dynamics in protic organic ionic plastic crystals.

It is found that the di-protonated cation plays an important role in defining the thermal properties, leading to stronger plastic crystal behavior and a higher melting point.

Thermal phase behavior and ion hopping in a 1,2,4-triazolium perfluorobutanesulfonate protic organic ionic plastic crystal.

Molecular dynamics simulations on a perfect crystal and a vacancy model suggest that proton and ion transport influenced by facile hydrogen bond dynamics in the rotator phase contribute to the solid-state conductivity of POIPCs.

Organic–inorganic interactions revealed by Raman spectroscopy during reversible phase transitions in semiconducting [(C2H5)4N]FeCl4

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Structure and Ion Dynamics in Imidazolium-Based Protic Organic Ionic Plastic Crystals.

Investigating the solid-state structure and ion dynamics of two imidazolium-based protic organic ionic plastic crystals as well as the ion-transport properties in both compounds revealed that a subtle change in cation chemistry results in substantial differences in the thermal phase behavior, crystalline structures, and ion conduction mechanisms in the protic plastic crystal compounds.

Paramagnetic ionic plastic crystals containing the octamethylferrocenium cation: counteranion dependence of phase transitions and crystal structures.

X-ray crystal structure analyses of octamethylferrocenium salts with various counteranions revealed that they have structures in which cations and anions are alternately arranged, with the exception of [1][CPFSA], which exhibits a structure in which anions and cations are separately stacked to form columns.

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Crystal Structures and Phase Sequences of Metallocenium Salts with Fluorinated Anions: Effects of Molecular Size and Symmetry on Phase Transitions to Ionic Plastic Crystals.

The thermal properties and crystal structures of metallocenium salts have been investigated, where the counter anions are Tf2 N (=(CF3 SO2 )2 N- ), OTf (= CF3 SO3- ), PF6 , and BF4 .

Nonhumidified Fuel Cells Using N-Ethyl-N-methyl-pyrrolidinium Fluorohydrogenate Ionic Liquid-poly(Vinylidene Fluoride-Hexafluoropropylene) Composite Membranes

Composite membranes consisting of N -ethyl- N -methylpyrrolidinium fluoro-hydrogenate (EMPyr(FH) 1.7 F) ionic liquid and poly(vinylidene fluoride hexafluoro-propylene) (PVdF-HFP) copolymer were

Enhancing Solid-State Conductivity through Acid or Base Doping of Protic Imidazolium and Imidazolinium Triflate Salts

Protic salts, including those showing plastic crystal behavior, are an interesting family of materials being rediscovered for use as solid conducting materials. This work compares two such compounds,



Protic ionic liquid and ionic melts prepared from methanesulfonic acid and 1H-1,2,4-triazole as high temperature PEMFC electrolytes

Protic ionic liquid and ionic melts were prepared from the combination of methanesulfonic acid (CH3SO3H) and 1H-1,2,4-triazole (C2H3N3) at various molar ratios. The thermal properties, crystal

Imidazolium methanesulfonate as a high temperature proton conductor

Imidazolium methanesulfonate (1) has been studied as a model proton conductor for high temperature polymer electrolyte membrane fuel cells (PEMFCs). It is found that 1 undergoes transformation from

Structure and transport properties of a plastic crystal ion conductor: diethyl(methyl)(isobutyl)phosphonium hexafluorophosphate.

Drawing together of the analytical and computational techniques has allowed the construction of a transport mechanism for the OIPC diethyl(methyl)(isobutyl)phosphonium hexafluorophosphate, and it is anticipated that utilization of these techniques will allow a more detailed understanding of the transport mechanisms of other plastic crystal electrolyte materials.

Anhydrous proton conduction at 150 °C in a crystalline metal-organic framework.

Na(3)(2,4,6-trihydroxy-1,3,5-benzenetrisulfonate) (named β-PCMOF2), a MOF that conducts protons in regular one-dimensional pores lined with sulfonate groups is reported.

New rotator phase revealed in di-n-alkylammonium bromides studied by solid-state NMR, powder XRD, electrical conductivity and thermal measurements

1 H NMR linewidth and relaxation times, powder XRD, electrical conductivity and differential scanning calorimetry have been performed on (C n H 2n+1 ) 2 NH 2 Br (n=2, 3 and 4). A new

An organic ionic plastic crystal electrolyte for rate capability and stability of ambient temperature lithium batteries

Reliable, safe and high performance solid electrolytes are a critical step in the advancement of high energy density secondary batteries. In the present work we demonstrate a novel solid electrolyte

1H-1,2,4-Triazole as solvent for imidazolium methanesulfonate.

The solvation effect studied herein suggests a promising approach to a wider application area of protic ionic liquids to serve as electrolytes for polymer electrolyte membrane fuel cells operating under non-humidifying conditions.

Physicochemical properties and plastic crystal structures of phosphonium fluorohydrogenate salts.

Differential scanning calorimetry and X-ray diffraction revealed that tetraethylphosphonium fluorohydrogenate salt, P(2222)(FH)(2)F, exhibits two plastic crystal phases, which is the first example of a plastic crystal phase with an inverse nickel arsenide-type structure.