《Realizing a high-performance LiNi0.6Mn0.2Co0.2O2/silicon-graphite full lithium ion battery cell via a designer electrolyte additive》 was published in Journal of Materials Chemistry A: Materials for Energy and Sustainability in 2020. These research results belong to Aupperle, Felix; Eshetu, Gebrekidan Gebresilassie; Eberman, Kevin W.; Xioa, Ang; Bridel, Jean-Sebastien; Figgemeier, Egbert. Application In Synthesis of Vinylene carbonate The article mentions the following:
An optimized dosage of (2-cyanoethyl)triethoxysilane (TEOSCN), is investigated as the electrode/electrolyte interface (EEI) modulating electrolyte additive to improve electrochem. performance of LiN0.6Mn0.2Co0.2O2(NMC622)/silicon(Si)-graphite(Gr) battery cells at a high temperature (45°). The addition of 1 wt% of TEOSCN to 1 M LiPF6 in EC:DEC + 5 wt% FEC/2 wt% VC electrolyte is found to significantly improve the long-term cyclability, capacity retention and coulombic efficiency of NMC622/Si-Gr cells at 45°. Pouch cells cycled in a nitrile-functionalized silane bearing electrolyte show superior capacity retention (∼ 75.95%) compared to those with FEC/VC (∼ 8.05%) and without additives (EC:DEC, ∼19.23%) electrolytes at the 364th cycle. Chem. mimicking and XPS anal. proved that the enhanced electrochem. performance is attributed to the formation of -C≡N reduction/oxidation induced robust EEI layers, both on the anode and cathode compartments, thus mitigating the escorted prevailing challenges. This work provides a highly promising electrolyte additive enabling the large-scale com. deployment of Si-containing high-energy lithium-ion full cell batteries. In the experiment, the researchers used many compounds, for example, Vinylene carbonate(cas: 872-36-6Application In Synthesis of Vinylene carbonate)
Vinylene carbonate(cas: 872-36-6) belongs to esters. Alkyl carbonates find applications as solvents for lithium ion battery electrolytes and the use of high quality battery grade electrolytes having extremely low water (<10 ppm) and acid (<10 ppm) contents are critical for achieving high electrochemical performance.Application In Synthesis of Vinylene carbonate
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics