Stimuli‐Responsive Electrochemical Energy Storage Devices

Parsimehr, Hamidreza; Ehsani, Ali

doi:10.1002/tcr.202200075

The Chemical Record

2022

DOI: 10.1002/tcr.202200075

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Stimuli‐Responsive Electrochemical Energy Storage Devices

Hamidreza Parsimehr

Ali Ehsani

Abstract: Electrochemical energy storage (EES) devices have been swiftly developed in recent years. Stimuli-responsive EES devices that respond to different external stimuli are considered the most advanced EES devices. The stimuli-responsive EES devices enhanced the performance and applications of the EES devices. The capability of the EES devices to respond to the various external stimuli due to produced advanced EES devices that distinguished the best performance and interactions in different situations. The stimuli-… Show more

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Cited by 8 publications

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“…Electrochemical energy as a high-efficient and benign type of energy has been swiftly developed in recent decades. 1 Electrochemical energy is low-cost and benign energy with less toxicity and greenhouse gas emissions, improving environmental protection. State-of-the-art studies have provided high-efficient renewable energies.…”

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confidence: 99%

Waste-to-Wealth: Wheat-Based Porous Electrodes for Electrochemical Energy Storage Devices

2023

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Energy production/storage as one of the world’s leading issues has been widely studied. This significant problem can be solved by using disposable/low-cost biomass materials. The electrochemical energy storage (EES) devices including supercapacitors, rechargeable batteries, and hybrid EES devices have been extensively developed in recent years. The EES devices have been recognized as a proper answer to the energy storage problem in the world. Numerous studies have been accomplished to develop biomass-based and biochar-based EES devices to decrease environmental pollution and production costs. The most important part of the EES devices are electrodes including the cathode and anode. According to recent studies, biochar-based electrodes have considerable electrochemical properties. Wheat is one of the most important parts of the human diet. Wheat wastes have amazing electrochemical properties to be used as a precursor of electrochemical energy storage electrodes including the electrodes of supercapacitors, batteries, and hybrid EES devices. The benign/low-cost wheat wastes especially wheat straw and wheat husk have been used to fabricate wheat-based biochar materials. The electrochemical properties of the wheat-based biochar electrodes in the EES devices have determined that these low-cost EES electrodes reduce the production costs and obtain acceptable electrochemical performance and environmentally friendly procedures.

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confidence: 99%

Waste-to-Wealth: Wheat-Based Porous Electrodes for Electrochemical Energy Storage Devices

2023

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Desolvation Induced Conformational Transition in a Cryptophane Host: Crystal To Crystal Transformation

Ghosh,

Hossain,

Saradhi Satha

et al. 2023

Chemistry An Asian Journal

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Cryptophanes show different conformations in solution and solid state depending upon various factors, such as the length of connecting linkers, medium, and nature of the incoming guest molecule(s). A cyclotriguaiacylenes (CTG) based cryptophane molecule was synthesized using click chemistry containing three triazole linkers and studied as well. This molecule shows two conformations, out-out crown-crown (CC), and out-in CC, in the presence or absence of guest molecule(s), as studied both in solution and solid state. The out-in CC, in which both CTG fragments are in crown conformation with one crown sitting above the other, could be obtained by slow escape of the trapped acetone molecules from out-out CC in solid state. This transformation could be obtained through a single-crystal-to-single-crystal (SCSC) transformation from a large volume out-out CC to a smaller volume out-in CC conformation which is also supported by density functional theory calculations.Cavitands are organic molecules with enforced cavity large enough to encapsulate various small molecule(s). [1] The interior cavity of cavitands have been used for stabilization of unstable molecules, [2,3] trapping of reaction intermediate(s), [1e,4] visible light photocatalysis, [5] asymmetric catalysis, [6] enantioselective recognition, [7] for stabilizing reactive intermediates, [7] as microreaction chambers, [8,9] chlorine capture with attomolar affinity, [10] modulate chiroptical properties. [11] Cryptophanes, are one such class of molecules, [12] contain two bowl shaped cyclic molecular systems (cyclotribenzylenes or its derivatives), joined together with three linkers. Changing linker size changes the free space of the cavity considerably. [13,14] Cryptophanes are well studied for entrapment of small neutral guest molecules CHCl 3 , CH 2 Cl 2 , CHFClBr, [13a] cationic organic molecules, [15,16] metal ions, [17] and gases like Xe, CFCs, CH 4 in solution phase. [13,18] These molecules are shown to bind biologically important molecules such as choline and avidin. [16] Typically, cryptophanes remain in an outout CC conformation, in which the connecting methylene groups in the cryptophane unit pointed oppositely outward. However, when flexible enough, i. e., the connecting alkyl chain contains 6 or more carbons, one of the cyclotribenzylenes (CTBs) unit flips to give an out-in CC conformation (Scheme 1).In cryptophanes, one of the factors that governs the feasibility of host-guest complexation is length of the linker. Thus, with an optimise linker length, small molecule can trigger the conversion of out-out CC to out-in CC or vice-versa. Such stimuli-responsive materials have potential applications in sensors, actuators, photoelectronic devices, information storage etc. [19] When changes occur due to escape of the trapped guest molecule(s), compresses the crystals and such systems are proposed to be helpful in designing the high-energy molecular actuators. [20] Out-out CC conformer in cryptophanes is generally found in solid state with small...

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Multiple response behaviors of curcumin-loaded ammonium alginate/polyvinyl alcohol hydrogel and its application

Cai

Zhong

Tang

et al. 2023

Biomass Conv. Bioref.

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Stimuli‐Responsive Electrochemical Energy Storage Devices

Cited by 8 publications

References 173 publications

Waste-to-Wealth: Wheat-Based Porous Electrodes for Electrochemical Energy Storage Devices

Waste-to-Wealth: Wheat-Based Porous Electrodes for Electrochemical Energy Storage Devices

Desolvation Induced Conformational Transition in a Cryptophane Host: Crystal To Crystal Transformation

Multiple response behaviors of curcumin-loaded ammonium alginate/polyvinyl alcohol hydrogel and its application

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