Thermogravimetric Analysis of Enthalpy Variation of 1-Alkyl-3-methylimidazole chloride

刘璐,; 徐玉萍,; 陈霞,; 洪梅,; 佟静,

doi:10.3866/pku.whxb202004014

Cited by 12 publications

(10 citation statements)

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“…As to physical properties κ T and W , which are related to surface tension γ, intermolecular interaction is the main factor. In addition, we found that the values of vaporization enthalpy at 298.15 K for [MOEMIM]Thr and [EOEMIM]Thr in this work were on the same order of magnitude as those [C 3 mim]Thr and [C 4 mim]Thr in our previous work. , Furthermore, the value of vaporization enthalpy at 298.15 K for [MOEMIM]Cl is between [C 2 mim]Cl and [C 4 mim]Cl in the latest work . The fact shows that the experimental results are reliable to some extent.…”

Section: Results and Discussionsupporting

confidence: 79%

Using Thermogravimetry Analysis Technology To Appraise the Vaporization Enthalpy of 1-(2-Alkoxyethyl)-3-methylimidazolium + [Anion] Ionic Liquids

Liu

Zhao

et al. 2020

J. Chem. Eng. Data

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A series of 1-(2-alkoxyethyl)-3-methylimidazolium + [anion] ionic liquids including 1-(2-methoxyethyl) -3-methylimidazolium chloride, 1-(2-methoxyethyl) -3-methylimidazolium DL-threonine, and 1-(2-ethoxyethyl) -3-methylimidazolium DLthreonine were synthesized and characterized to determine how initial decomposition temperature, vaporization enthalpy, and thermal stability were affected by changes in alkoxy chain length and anion. An isothermal thermogravimetric experiment was carried out on a series of ionic liquids (ILs) by using a thermogravimetric analyzer. Combining with the Langmuir equation and Clausius−Clapeyron equation, experimental data were used to calculate vaporization enthalpy at an average temperature. Comparing the values of vaporization enthalpy for three ILs, the order is [EOEMIM]Thr > [MOEMIM]Cl > [MOEMIM]Thr. Thus, the influence of a changing alkoxy chain on vaporization enthalpy of ILs is large.

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Section: Results and Discussionsupporting

confidence: 79%

Using Thermogravimetry Analysis Technology To Appraise the Vaporization Enthalpy of 1-(2-Alkoxyethyl)-3-methylimidazolium + [Anion] Ionic Liquids

Liu

Zhao

et al. 2020

J. Chem. Eng. Data

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“…Li metals are very active because of low redox potential, and the high reactivity of Li metals and its infinite volume expansion during cycling would cause unstable SEI and dendritic growth, leading to short-circuiting of the batteries or even safety hazards. [120,121] Therefore, building artificial SEI on Li metal surface is a promising strategy to achieve dendrite-free LMAs and realize large-scale fabrication. [112,122] Different CNTs-based composites have been used to decorate lithium metal surfaces, which have been proved to be capable of regulating uniform lithium deposition and inhibiting dendrite growth.…”

Section: Building Artificial Sei On LI Metal Surfacementioning

confidence: 99%

Emerging Carbon Nanotube‐Based Nanomaterials for Stable and Dendrite‐Free Alkali Metal Anodes: Challenges, Strategies, and Perspectives

Liu

Miao

et al. 2023

Energy & Environ Materials

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Alkali metals (Li, Na, and K) are promising candidates for high‐performance rechargeable alkali metal battery anodes due to their high theoretical specific capacity and low electrochemical potential. However, the actual application of alkali metal anodes is impeded by the challenges of alkali metals, including their high chemical reactivity, uncontrolled dendrite growth, unstable solid electrolyte interphase, and infinite volume expansion during cycling processes. Introducing carbon nanotube‐based nanomaterials in alkali metal anodesis an effective solution to these issues. These nanomaterials have attracted widespread attention owing to their unique properties, such as their high specific surface area, superior electronic conductivity, and excellent mechanical stability. Considering the rapidly growing research enthusiasm for this topic in the last several years, we review recent progress on the application of carbon nanotube‐based nanomaterials in stable and dendrite‐free alkali metal anodes. The merits and issues of alkali metal anodes, as well as their stabilizing strategies are summarized. Furthermore, the relationships among methods of synthesis, nano‐ or microstructures, and electrochemical properties of carbon nanotube‐based alkali metal anodes are systematically discussed. In addition, advanced characterization technologies on the reaction mechanism of carbon nanotube‐based nanomaterials in alkali metal anodes are also reviewed. Finally, the challenges and prospects for future study and applications of carbon nanotube‐based AMAs in high‐performance alkali metal batteries are discussed.

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“…A hydrogen bond is a bond formed between a hydrogen atom and an element with high electronegativity in one molecule, which can also interact with a certain binding force with an atom with high electronegativity in another molecule [36][37][38][39][40].…”

Section: Analysis Of Number Of Hydrogen Bondsmentioning

confidence: 99%

Micro-scale effects of nano-SiO₂ modification with silane coupling agents on the cellulose/nano-SiO₂ interface

Zheng

Tang

2019

Nanotechnology

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In this study, molecular dynamics simulations were used to investigate the micro-scale effects of modification of nano-SiO 2 with commonly used silane coupling agents (KH550, KH560, KH570, and KH792) on the cellulose/nano-SiO 2 interface. The relative optimum silane coupling agent and grafting density for nano-SiO 2 modification to improve the cellulose/nano-SiO 2 interface were determined. The results showed that at the same grafting density, modification of nano-SiO 2 with KH792 yielded the highest interfacial binding energy and binding energy density, the largest number of hydrogen bonds at the cellulose/nano-SiO 2 interface, the strongest binding to the cellulose chains, and the largest overlapping area at the cellulose/nano-SiO 2 interface. We found that the non-bonding interaction energy played a decisive role in the energy of the model system and the interfacial interaction force mainly consisted of van der Waals forces and the hydrogen-bonding energy. When silane coupling agents with amino groups (KH550 and KH792) were used to modify nano-SiO 2 , the number of hydrogen bonds at the cellulose/nano-SiO 2 interface was larger than that for unmodified nano-SiO 2 . When silane coupling agents without amino groups (KH560 and KH570) were used to modify nano-SiO 2 , the number of hydrogen bonds at the cellulose/nano-SiO 2 interface was lower than the case for unmodified nano-SiO 2 . Nano-SiO 2 modification with various amounts of KH792 was investigated. The results showed that the interfacial bonding energy increased with grafting density. When the grafting density was 1.57 nm −2 , the interfacial bonding energy and number of hydrogen bonds formed at the cellulose/nano-SiO 2 interface was relatively stable, which indicates that the interface had reached a relatively stable state. Modification of nano-SiO 2 with KH792 achieved the greatest improvement of the cellulose/nano-SiO 2 interface; this interface reached a relatively stable state when the grafting density of KH792 was 1.57 nm −2 .

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Thermogravimetric Analysis of Enthalpy Variation of 1-Alkyl-3-methylimidazole chloride

Cited by 12 publications

References 0 publications

Using Thermogravimetry Analysis Technology To Appraise the Vaporization Enthalpy of 1-(2-Alkoxyethyl)-3-methylimidazolium + [Anion] Ionic Liquids

Using Thermogravimetry Analysis Technology To Appraise the Vaporization Enthalpy of 1-(2-Alkoxyethyl)-3-methylimidazolium + [Anion] Ionic Liquids

Emerging Carbon Nanotube‐Based Nanomaterials for Stable and Dendrite‐Free Alkali Metal Anodes: Challenges, Strategies, and Perspectives

Micro-scale effects of nano-SiO₂ modification with silane coupling agents on the cellulose/nano-SiO₂ interface

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Thermogravimetric Analysis of Enthalpy Variation of 1-Alkyl-3-methylimidazole chloride

Cited by 12 publications

References 0 publications

Using Thermogravimetry Analysis Technology To Appraise the Vaporization Enthalpy of 1-(2-Alkoxyethyl)-3-methylimidazolium + [Anion] Ionic Liquids

Using Thermogravimetry Analysis Technology To Appraise the Vaporization Enthalpy of 1-(2-Alkoxyethyl)-3-methylimidazolium + [Anion] Ionic Liquids

Emerging Carbon Nanotube‐Based Nanomaterials for Stable and Dendrite‐Free Alkali Metal Anodes: Challenges, Strategies, and Perspectives

Micro-scale effects of nano-SiO2 modification with silane coupling agents on the cellulose/nano-SiO2 interface

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Micro-scale effects of nano-SiO₂ modification with silane coupling agents on the cellulose/nano-SiO₂ interface