Ren, Muqing published the artcileBioinspired Redox Mediator in Lithium-Oxygen Batteries, SDS of cas: 143-24-8, the main research area is superoxide dismutase biomimetic redox mediator activated charcoal.
LiO2 is an intermediate formed in aprotic Li-O2 and Li-air batteries during an oxygen reduction reaction (ORR). The soluble LiO2 triggers undesirable side reactions, such as a nucleophilic reaction and the formation of the byproduct Li2CO3 upon reaction with the electrolyte and substrate, resulting in irreversible redox reactions and causing a low Coulombic efficiency with poor cycling durability. Inspired by superoxide dismutase (SOD) in biol. systems, we hypothesized that SOD mimetics could likewise be applied in Li-O2 and Li-air batteries, thereby prolonging the battery cycle life. Oxidized activated charcoal (OAC) is known to be one SOD mimetic with fast kinetics and a high turnover. Therefore, OAC was added to a dual polymer gel electrolyte as a redox mediator. The OAC redox mechanism is well illustrated in quasi-solid Li-O2 batteries, and the battery stability was significantly improved in the presence of OAC. Furthermore, the best Li-O2 battery containing OAC demonstrated stable galvanostatic charge/discharge performance for ~300 cycles (3000 h) with a cutoff capacity of 0.4 mAh cm-2. In addition, under a discharge cutoff potential of 2.0 V, the discharge capacity of the best Li-O2 battery is ~37.0 mAh cm-2.
ACS Catalysis published new progress about Biomimetics. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, SDS of cas: 143-24-8.
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem