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22 results for “deep eutectic solvents”
Betaine–based natural deep eutectic solvents as sustainable electrolytes for the electrochemical energy storage devices
<p><span>The research project titled: <em>"</em></span><span><em><span>Betaine–based natural deep eutectic solvents as sustainable electrolytes for the electrochemical energy storage devices</span></em></span><em><span>"</span></em><span> focused on developing new, environmentally friendly liquid electrolytes for use in devices such as batteries, accumulators, and capacitors. The researchers concentrated on the development of so-called Natural Deep Eutectic Solvents (NADES) based on betaine and its derivatives, which have the potential to replace traditional, less eco-friendly electrolytes.</span></p> <p><span>Betaine is a natural chemical compound in plants like sugar beets, making it a fully renewable resource. Chemically, betaine is a derivative of the amino acid glycine, meaning it possesses a positive functional group at one end of the molecule and a negative charge at the opposite end. This gives betaine the characteristics of an ionic compound known as a zwitterion, which can be successfully used as <span>an electrolyte additive.</span></span></p> <p><span><span>During the </span>research, three different NADESs were synthesized, and betaine hydrochloride served as the hydrogen bond acceptor (HBA). At the same time, glycerol, ethylene glycol, and glycolic acid acted as hydrogen bond donors (HBD). The researchers then examined their physical properties, such as density, viscosity, pH, and conductivity, and assessed these substances' electrochemical stability.</span></p> <p><span>Among the studied NADES, the one based on betaine hydrochloride as the HBA and ethylene glycol as the HBD proved to be the most suitable electrolyte for supercapacitors due to its low viscosity and high ionic conductivity. Tests involving this substance demonstrated that devices using this electrolyte exhibited high specific capacitance and stability during prolonged use.</span></p> <p><span>The results confirm that NADES based on betaine can serve as a more sustainable alternative to conventional electrolytes, which is a step toward creating more environmentally friendly energy storage systems in the future.</span></p> <p><span>This research was founded on the whole by the National Science Centre, Poland (grant No. 2023/07/X/ST5/00629). For the purpose of Open Access, the author has applied a CC-BY public copyright to any Author Accepted Manuscript (AAM) version arising from this submission.</span></p>
Figure 2 in The phenolic profile extracted from the desiccation-tolerant medicinal shrub Myrothamnus flabellifolia using Natural Deep Eutectic Solvents varies according to the solvation conditions
Figure 2. Partial least squares-discriminant analysis indicating the top-15 most important features that represented differentially abundant phenolic metabolites between the different NaDES extracts. VIP = variable importance in the projection. FSG = fructose– sucrose–glucose; Glu_ChCl = glucose–choline chloride; Pro_Mal = proline–malic acid; Su_Ca = sucrose–citric acid.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.