仪器功能特点:
1- 最新高效的6KW TXS-HE转靶光源,强度是封闭靶的5倍;
2- 入射光路三光路自动切换系统:粉末衍射聚焦光路、薄膜反射、掠入射平行光路;高分辨光路:高分辨毛细管透射、反射、外延薄膜高分辨;
3- 探测器的开口大,适合测试速度快原位;配置准直器后开展二维衍射实时分析,还原原位二维信息;配备的高低温系统可实时检测反应中结构的演变过程;
4- 原位充放电、原位电化学附件更是快速准确地追溯揭示了phase transformation过程。
应用范围:
原位高低温附件可以在材料合成过程中来观察材料结构变化,探索材料合成条件;也可以用来探测充放电到某个电位下材料随温度变换而产生的相应的结构变化,这对探讨实际电池安全性产生的原因之一,即材料结构变化引起的安全问题是一种重要的手段;
科研支撑
变温物相分析
变温过程中的晶粒尺寸、晶型、晶胞参数及动力学分析
分析、电池充放电物相分析、原位电化学反应物相分析。
产业支撑
药物作用机理及动力学分析、药物理化性质及稳定性分析。
Basic information
Equipped with rotational Cu anode, two-dimensional Eiger detector, resembling various in-situ chambers, e.g. variable temperature chamber and in-situ battery charging/discharging chamber.
1- Rotational Cu anode, 6 KW TXS-HE X-ray source, 5 times in intensity gaining;
2- Two-dimensional Eiger detector, large opening for rapid in-situ analysis, revealing the mechanism of phase transformation.
3- TRIO optics: BB geometry, parallel beam, high-resolution parallel optic, supporting non-destructive phase identification for powder samples, X-ray reflectivity (XRR), grazing incident diffraction (GID), rapid reciprocal mapping (RSM), high-resolution applications for films.
4- Variable temperature chambers: 1) Phenix cryostat: closed-cycle He cryostat, 12K ~ 300K; MTC Low-Temp: heating and cooling, -180~450℃; MTC furnace: radiation heat, RT~1100℃; MTC-HighTemp: direct heat, RT~1500℃;
5- In-situ battery chamber: -25 ~80℃; real-time monitoring charge/discharge process; EL-cell for in-situ electrochemistry investigation.
Research support:
o Temperature dependent analysis of phase transformation;
o Crystallinity, crystal unit cell, grain size evolution as well as kinetic study during phase transformation;
o Structure study for batter materials during charge/discharge process
Industrial support:
Analysis of battery function, lifespan and stability