Imidazolium methanesulfonate as a high temperature proton conductor

  title={Imidazolium methanesulfonate as a high temperature proton conductor},
  author={Jiangshui Luo and Olaf Conrad and Ivo F. J. Vankelecom},
  journal={Journal of Materials Chemistry},
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 crystalline to plastic crystalline and then molten states successively from ambient temperature to 200 °C. The solid–solid phase transition of 1 at 174 °C has been preliminarily verified by differential scanning calorimetry (DSC) and temperature-dependent X-ray diffraction (XRD). At the melting point… 

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

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

Guanidinium nonaflate as a solid-state proton conductor

Protic organic ionic plastic crystals (POIPCs) are a type of novel solid-state proton conductors. In this work, guanidinium nonaflate ([Gdm-H][NfO]) is reported to be a model POIPC. Its

Quantum Mechanical Investigation of Proton Transport in Imidazolium Methanesulfonate Ionic liquid

Protic ionic liquids (PIL) are promising anhydrous proton conductors for fuel cell applications especially at higher temperature. In this study, quantum chemistry calculations using density

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

Physicochemical study of diethylmethylammonium methanesulfonate under anhydrous conditions.

The non-negligible influence of previously reported low water content on the physicochemical properties of [DEMA]:OMs is found, indicating the importance of reducing water content as much as possible for the study of "intrinsic" properties of protic ionic liquids.

Simple synthesis of ironIII sulfophenyl phosphate nanosheets as a high temperature inorganic–organic proton conductor

IronIII sulfophenyl phosphate (FeSPP) is successfully synthesized by an optimized process from the reaction of ironIII chloride and m-sulfophenyl phosphonic acid (msPPA) by a simple and

Structural, electrical conductivity, and transport analysis of PAN–NH4Cl polymer electrolyte system

Poly (acrylonitrile) (PAN) and ammonium chloride (NH4Cl)-based proton conducting polymer electrolytes with different compositions have been prepared by solution casting technique. The amorphous

Protic ionic liquid-containing silica-based ionogels for nonhumidified PEMFC applications

This paper provides details on the design of protic ionic liquids (PILs) containing silica-based ionogel for nonhumidified proton exchange membrane (PEM) applications. Specifically, we described

Nafion-Initiated ATRP of 1-Vinylimidazole for Preparation of Proton Exchange Membranes.

For the first time, the great potentials of the Nafion-initiated ATRP process are revealed in developing high-performance proton exchange membranes and chemically bonding PVIm with Nafian chains endowed the NAFion-PVIm membranes with high stability in proton conductivity.



Nonhumidified intermediate temperature fuel cells using protic ionic liquids.

In this paper, the characterization of a protic ionic liquid, diethylmethylammonium trifluoromethanesulfonate ([dema][TfO]), as a proton conductor for a fuel cell and the fabrication of a

The proton dynamics of imidazole methylphosphonate: an example of cooperative ionic conductivity.

  • J. TraerG. Goward
  • Materials Science, Chemistry
    Physical chemistry chemical physics : PCCP
  • 2010
Imidazole methylphosphonate models the hydrogen bonding and dynamics of a potential anhydrous polymer electrolyte and shows a cooperative mechanism of ion conduction between imidazoles and the methylph phosphonate at higher temperatures, which was unseen in a previous study.

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

High-temperature proton exchange membranes from ionic liquid absorbed/doped superabsorbents

The development of high-temperature proton exchange membranes (HTPEMs) operated over 120 °C under anhydrous conditions is pursued worldwide in order to solve some core problems of current PEM fuel

One-dimensional imidazole aggregate in aluminium porous coordination polymers with high proton conductivity.

This work suggests that the combination of guest molecules and a variety of microporous frameworks would afford highly mobile proton carriers in solids and gives an idea for designing a new type of proton conductor, particularly for high-temperature and anhydrous conditions.

Toward a new type of anhydrous organic proton conductor based on immobilized imidazole

Extensive studies on a model system (imidazole-terminated ethylene oxide oligomers doped with small amounts of strong acids) for a proton-conducting polymer functioning without a liquid phase, but

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 determined by ΔpKa for protic ionic liquids based on an organic super-strong base with various Brønsted acids.

Thermogravimetric analyses (TGA) conducted under isothermal and programmed heating conditions have shown that PILs with ΔpK(a)≥ 15 exhibit good thermal stability similar to aprotic ionic liquids, and the relative cationic and anionic self-diffusion coefficients estimated by the pulsed-field gradient spin-echo (PGSE) NMR method appear to be dependent on the structure and strength of the Brønsted acids.

New types of Brönsted acid-base ionic liquids-based membranes for applications in PEMFCs.

These IL-based, proton-conducting membranes are proposed as new polymer electrolytes for high-temperature polymer electrolyte membrane fuel cells (PEMFCs), which have very good temperature stability and a high ionic conductivity.