Carter, Rachel published the artcileOptical Microscopy Reveals the Ambient Sodium-Sulfur Discharge Mechanism, Product Details of C10H22O5, the main research area is sodium sulfur battery discharge mechanism cathode anode electrolyte.
With growing demand for energy storage, there is renewed interest in ambient sodium-sulfur batteries, which boast raw material costs below $1/kWh owing to the natural abundance and high theor. energy d. of the pairing. As with lithium, sodium electrochem. reacts with sulfur in ether-based electrolytes, and the intermediate discharge products (polysulfides) dissolve in the battery electrolyte. These polysulfide intermediates have distinct colors, from red-brown to yellow. Addnl., when the solvent permits chem. reordering, the S3•- radical is detected with a blue hue. Radicalization hinders the electrochem. reaction by altering charge balance. Since the reaction intermediates exist with distinct colors, their evolution can be identified during electrochem. discharge with an in-situ optical cell. Optical anal. facilitates detection and characterization of intermediate products across a broader concentration range that is not accessed by more complex in-situ UV-vis spectroscopy. We demonstrate the utility of in-situ optical microscopy for comparing the ambient discharge mechanism in electrolytes from the glyme family. These chain-like solvents, from monoglyme (G1) to tetraglyme (G4), have a greater stabilizing effect on sodium electroplating than for lithium, warranting their investigation at the sulfur cathode. Both the in-situ experiment and stoichiometric solutions reveal that G1 results in the lowest polysulfide solubility and the least sulfur radicalization, while G4 has the greatest. G2 falls between them. Image anal. of the electrolyte between the sulfur working electrode and sodium counter allow for the red, green, and blue image pixilation (RGB) and image brightness to be assessed. With this anal., we can assign the evolution of particular polysulfides to discharge voltage features. In-situ optical microscopy diagnoses electrolyte color changes during room temperature discharge of a sodium-sulfur cell.
ACS Sustainable Chemistry & Engineering published new progress about Battery anodes. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Product Details of C10H22O5.
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem