原位同步辐射电化学数据集

本数据主要是针对考核指标1.1提出的“原位X射线吸收谱装置工作模式0-3.5 V“，发展了原位同步辐射电化学测试装置，实现了水系、有机电池0-3.5 V电压区间内的原位监测。通过铵根离子插层拓宽氧化钒正极层间距，进而耦合滤纸隔膜组装水系锌离子电池，实现了0.2-1.8 V电压范围内的快充快放水系锌离子电池。利用原位同步辐射表征捕获了充放电阶段铵根插层氧化钒正极材料层间距的可逆变化，以及V t2g轨道的可逆占据。此外，电极界面碳薄膜调控硒化铜电极与玻璃纤维GF/D隔膜匹配，实现了0-3 V电压范围内的电化学储锂，并使用原位同步辐射解析了其储能机理。This dataset was developed to address the "0–3.5 V operating mode of in-situ X-ray absorption spectroscopy (XAS) apparatus" specified in evaluation index 1.1. We have developed an in-situ synchrotron radiation electrochemical testing apparatus, enabling in-situ monitoring of aqueous and organic batteries across the 0–3.5 V voltage range. By intercalating ammonium ions to expand the interlayer spacing of vanadium oxide cathodes, we assembled aqueous zinc-ion batteries paired with filter paper separators, realizing fast-charging and fast-discharging aqueous zinc-ion batteries operating within the 0.2–1.8 V voltage range. Through in-situ synchrotron radiation XAS characterization, we captured the reversible changes in the interlayer spacing of ammonium-intercalated vanadium oxide cathode materials during charge-discharge cycles, as well as the reversible occupation of V t2g orbitals. Additionally, a carbon film at the electrode interface was used to regulate the compatibility between copper selenide electrodes and glass fiber GF/D separators, enabling electrochemical lithium storage within the 0–3 V voltage range, and the energy storage mechanism was elucidated via in-situ synchrotron radiation XAS characterization.

搜集汇总

背景与挑战

背景概述

该数据集开发了原位同步辐射电化学测试装置，实现了0-3.5 V电压区间内水系和有机电池的原位监测。它通过原位同步辐射表征技术，捕获了电池充放电过程中材料层间距和电子轨道的可逆变化，用于解析储能机理。