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[ CAS No. 2397-59-3 ] 2,3-Diethylnaphthalene-1,4-dione

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Cat. No.: A1414480
Chemical Structure| 2397-59-3
Chemical Structure| 2397-59-3
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Emily Penn ; Antonio Baclig ; Devi Ganapathi , et al. DOI:

Abstract: Eutectic electrolytes can attain high concentrations of redox-active species, offering a path toward high energy density redox flow batteries. Here we introduce a new entropically-driven eutectic mixing approach using organic small molecules. By mixing chemically similar redox-active species, we engineer highly concentrated, low viscosity liquids composed almost entirely of redox-active molecules. Using quinones as a model system, we discover a ternary benzoquinone eutectic mixture and a binary naphthoquinone eutectic mixture which have theoretical redox-active electron concentrations of 16.8 and 8.8 M e–, respectively. We investigate compatibility with protic supporting electrolytes and quantify ionic conductivity and viscosity of quinone eutectic electrolytes across multiple states of charge. A binary naphthoquinone eutectic electrolyte with a protic ionic liquid supporting electrolyte (7.1 M e–, theoretical volumetric capacity 188 Ah L–1) achieves a volumetric capacity of 49 Ah L–1 in symmetric static cell cycling. These preliminary results suggest that entropy-driven eutectic mixing is a promising strategy for developing high-energy density flow battery electrolytes.

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Product Details of [ 2397-59-3 ]

CAS No. :2397-59-3 MDL No. :N/A
Formula : C14H14O2 Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W : 214.26 Pubchem ID :-
Synonyms :

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