A 4D x-ray computer microtomography for high-temperature electrochemistry

被引：24
作者：
Jiao, Handong [1 ]
Qu, Zhaoliang [1 ]
Jiao, Shuqiang [1 ,2 ]
Gao, Yang [2 ]
Li, Shijie [1 ]
Song, Wei-Li [1 ]
Chen, Haosen [1 ]
Zhu, Hongmin [3 ]
Zhu, Rongqi [4 ]
Fang, Daining [1 ]
机构：
[1] Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China
[2] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
[3] Tohoku Univ, Aobo Ku, 6-6-02 Aramaki Aza Aoba, Sendai, Miyagi 9808579, Japan
[4] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
来源：
SCIENCE ADVANCES | 2022年 / 8卷 / 06期
基金：
中国国家自然科学基金;
关键词：
HIGH-PURITY TITANIUM; IONS; EQUILIBRIUM; BEHAVIOR; METAL;
D O I：
10.1126/sciadv.abm5678
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
High-temperature electrochemistry is widely used in many fields. However, real-time observations and an in-depth understanding of the inside evolution of this system from an experimental perspective remain limited because of harsh reaction conditions and multiphysics fields. Here, we tackled this challenge with a high-temperature electrolysis facility developed in-house. This facility permits in situ x-ray computer microtomography (mu-CT) for nondestructive and quantitative three-dimensional (3D) imaging. In an electrorefining system, the mu-CT probed the dynamic evolution of 3D morphology and components of electrodes (4D). Subsequently, this 4D process was visually presented via reconstructed images. The results monitor the efficiency of the process, explore the dynamic mechanisms, and even offer real-time optimization. This 4D analysis platform is notable for in-depth combinations of traditional electrochemistry with digital twin technologies owing to its multiscale visualization and high efficiency of data extraction.
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页数：9
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