WebMar 15, 2024 · Interestingly, for NaPF 6 systems, without FEC, strong peaks related to DMDOHC (dimethyl-2,5-dioxahexane carboxylate) and EMDOHC (ethylmethyl-2,5-dioxahexane dicarboxylate) are clearly observed. Among them, DMDOHC is a common electrolyte decomposition product in LIBs and SIBs ... WebJan 4, 2024 · VC, DEOHC (diethyl-2,5-dioxahexane carboxylate) and DMOHC (dimethyl-2,5-dioxahexane carboxylate) was added to a known amount of acetonitrile. GC - MS sample measurements.
Dimethyl 2,5-dioxocyclohexane-1,4-dicarboxylate
WebIn 2024, Ma et al. used the differential capacity in response to voltage to show that the additives, such as VC, FEC and methylene ethylene carbonate (MEC) will … WebOct 1, 1997 · From these results, it can be assumed that the decomposition of the systems was mainly due to the reductive reaction of EC at the initial charging. Through the additional analysis of the electrolyte composition, it was confirmed that the dialkyl-2,5-dioxahexane carboxylate was produced in the electrolyte after initial charging. tim gorton
High Temperature Testing of NMC/Graphite Cells for Rapid Cell ...
WebOct 5, 2024 · Moreover, the aging products dimethyl-2,5-dioxahexane dicarboxylate (DMDOHC) and ethylmethyl-2,5-dioxahexane dicarboxylate (EMDOHC) were identified in the electrolyte of aged 18 650-type cells. In the case of the cells of one specific supplier, various additional hydrocarbons were detected via SPME-GC-MS. These compounds … WebJan 23, 2024 · If both, EC and DMC, are present in the electrolyte molecules like dimethyl-2,5-dioxahexane carboxylate (DMOHC) can be formed, which makes the search for the shuttle molecule more difficult. 6,28,29. Redox shuttle identification in GC-MS spectra of extracted electrolytes. WebJul 10, 2014 · Identification of Diethyl 2,5-Dioxahexane Dicarboxylate and Polyethylene Carbonate as Decomposition Products of Ethylene Carbonate Based Electrolytes by … bau hobby kaiseraugst