Synthesis and characterization of ammonium-based protic ionic liquids for carbon dioxide absorption

Ab Rahim, Asyraf Hanim; Yunus, Normawati M.; Jaffar, Zahirah; Allim, Muhammad Faizadmesa; Othman Zailani, Nurhidayah Zulakha; Mohd Fariddudin, Shazri Amirah; Abd Ghani, Noraini; Umar, Mursyidah

doi:10.1039/d3ra01345f

Cited by 2 publications

(1 citation statement)

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“…Subsequently, these qualities will facilitate the understanding of the behavior and properties of the solvent. For instance, Rahim et al [49] estimated the electronic polarizability or molar refraction of a solvent based on RI data, which is an important parameter to determine the free volume available in the solvent. Therefore, it is worthwhile to investigate the RI to obtain useful insight into the gas solubility in the solvent.…”

Section: Introductionmentioning

confidence: 99%

Aqueous Potassium Salt of L-Cysteine as Potential CO2 Removal Solvent: An Investigation on Physicochemical Properties and CO2 Loading Capacity

et al. 2023

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The operational and economic constraints suffered by amine solvents for CO2 removal have motivated the research on an alternative solvent with better performance and cost-effectiveness. Amino acid salt (AAS) has been identified as an interesting green solvent, an alternative to commercial amine solvents. The present work evaluated the physicochemical and CO2-solubility properties of potassium L-cysteine (K-CYS), a naturally occurring amino-acid-based solvent for CO2 removal from natural gas. Its physicochemical properties, including density, viscosity, and refractive index, were measured at different temperatures ranging between 298.15 and 333.15 K and a concentration range of 5 to 30 wt.%. Based on the experiment, all properties were found to decrease with increasing temperature and increase with increasing concentration. The experiments also demonstrated a significant reduction of CO2 loading from 2.4190 to 1.1802 mol of CO2/mol of K-CYS with increasing solvent concentration from 10 to 30 wt% at 313.15 K and 20 bar (g).

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Section: Introductionmentioning

confidence: 99%

Aqueous Potassium Salt of L-Cysteine as Potential CO2 Removal Solvent: An Investigation on Physicochemical Properties and CO2 Loading Capacity

et al. 2023

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Flexible Polymerized Ionic Liquids Gel Polymer Electrolytes For Supercapacitor Application

Deb

2024

Ionic Liquids - Recent Advances [Working Title]

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Supercapacitors are garnering increasing attention due to their rapid charge/discharge cycles, long cycle life, and high-power density. However, their performance is significantly limited by the choice of electrolyte. Ionic liquids (ILs) offer a promising alternative with their wide electrochemical window, high thermal stability, and non-flammability. However, their high viscosity and limited ionic conductivity pose challenges. Flexible polymerized ionic liquids gel polymer electrolytes (PIL-GPEs) emerge as a solution, combining the advantages of both ILs and solid polymer electrolytes (SPEs). PIL-GPEs inherit the high ionic conductivity and wide potential window of ILs, while the polymer matrix provides mechanical stability and prevents leakage. Additionally, their flexibility makes them suitable for next-generation wearable and flexible electronics. This review delves into the recent advancements in PIL-GPEs for supercapacitor applications. It explores the synthesis methods, material properties, and electrochemical performance of various PIL-GPEs. Additionally, challenges and future directions for research are discussed.

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Synthesis and characterization of ammonium-based protic ionic liquids for carbon dioxide absorption

Abstract: A series of ammonium-based protic ionic liquids, APILs have been synthesized and characterized and their CO2 absorption capacity and potential recyclability have been determined for their potential usein the application of CO2 removal.

Cited by 2 publications

References 49 publications

Aqueous Potassium Salt of L-Cysteine as Potential CO2 Removal Solvent: An Investigation on Physicochemical Properties and CO2 Loading Capacity

Aqueous Potassium Salt of L-Cysteine as Potential CO2 Removal Solvent: An Investigation on Physicochemical Properties and CO2 Loading Capacity

Flexible Polymerized Ionic Liquids Gel Polymer Electrolytes For Supercapacitor Application

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