Affiliation:
1. Hasselt University UHasselt Institute for Materials Research (imo‐imomec) Design and Synthesis of Inorganic Materials (DESINe) Agoralaan Science Tower Diepenbeek 3590 Belgium
2. imec division imomec Wetenschapspark 1 Diepenbeek B‐3590 Belgium
3. EnergyVille Thor Park 8320 Genk B‐3600 Belgium
4. Hasselt University UHasselt Institute for Materials Research (imo‐imomec),Advanced Functional Polymers Laboratory (AFP) Agoralaan Science Tower Diepenbeek 3590 Belgium
5. Hasselt University UHasselt Institute for Materials Research (imo‐imomec) Analytical and Circular Chemistry (ACC) Agoralaan Science Tower Diepenbeek 3590 Belgium
Abstract
AbstractSodium‐ion batteries (SIBs) are a possible candidate to create safe, sustainable, and cost‐effective batteries. Solid sodium‐ion conducting organically modified ionogel electrolytes are investigated. Silica‐based ionogels typically consist of an ionic liquid electrolyte (ILE) confined within a silica matrix and possess high thermal stability, good ionic conductivity, safety, and good electrochemical stability. However, they readily deteriorate when stress is applied, decreasing the electrolyte's and battery's overall performance. The mechanical characteristics of silica can be improved using organic moieties, creating Ormosils®. Silica‐based ionogels with phenyl‐modified silanes improve the mechanical characteristics by a reduction of their Young's modulus (from 29 to 6 MPa). This is beneficial to the charge‐transfer resistance, which decreases after implementing the electrolyte in half cells, demonstrating the improved interfacial contact. Most importantly, the phenyl groups change the interacting species at the silica interface. Cationic imidazolium species pi‐stacked to the phenyl groups of the silica matrix, pushing the anions to the bulk of the ILE, which affects the ionic conductivity and electrochemical stability, and might affect the quality of the SEI in half cells. In essence, the work at hand can be used as a directory to improve mechanical characteristics and modify and control functional properties of ionogel electrolytes.
Funder
Fonds Wetenschappelijk Onderzoek
Subject
Biomaterials,Biotechnology,General Materials Science,General Chemistry
Reference59 articles.
1. European CommisionEnvironment Agency Communication from the Commission to the European Parliament the Councel the European Economic and Social Committee and the Committee of the Regions.
2. A Review of Lithium Supply and Demand and a Preliminary Investigation of a Room Temperature Method to Recycle Lithium Ion Batteries to Recover Lithium and Other Materials
3. US Geological Survey Countries with the Largest Lithium Reserves Worldwide as of 2021 (in 1 000 Metric Tons) Statista xx2022.
4. Sodium-based batteries: from critical materials to battery systems
Cited by
2 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献