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Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

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Updated: May 12, 2026

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

投影角度传感器辅助的X射线计算机断层扫描用于圆柱形离子电池.

Jiawei Dong¹, Lingling Ju^2,3, Quanyuan Jiang^1,3

¹College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China.

Sensors (Basel, Switzerland)

|February 24, 2024

概括

在X射线计算机断层扫描 (XCT) 投影角度的错误会降低离子电池成像质量. 在旋转桌上安装角度传感器有助于校准角度,减少工件和改进电池分析的3D重建.

关键词:

3D重建重建的3D重建 XCT XCT 的意思是角度传感器是指一个角度传感器.错误分析错误分析错误分析离子电池的离子电池是什么

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Last Updated: May 12, 2026

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科学领域:

材料科学材料科学材料科学
影像科学影像科学
电化学电化学电化学

背景情况:

在离子电池的非破坏性3D成像中,X射线计算机断层扫描 (XCT) 非常重要.
在XCT中图像质量对于分析电池内部结构至关重要.
旋转表错误引入投影角度的不准确性,降低了XCT图像质量.

研究的目的:

量化投影角度误差对离子电池XCT成像质量的影响.
为了确定投射角度传感器所需的精度.
通过解决角度错误来提高XCT成像质量.

主要方法:

一个XCT扫描平台的实验设置与一个角度传感器进行校准.
使用常见的18650圆柱形离子电池重建XCT图像,引入了角度错误.
分析因投影角度不准确而导致的图像质量下降.

主要成果:

投影角度错误在XCT图像中引入了显著的噪音和条纹文物.
由于角度不准确,在图像背景中出现不规则的文物.
像总体变化和残余投影误差这样的检测指标有效地反映了图像质量趋势.

结论:

投射角度的准确性对于高质量的离子电池XCT成像至关重要.
角度传感器可以有效校准投影角度,减轻工件.
这项研究提供了一种改善电池研究XCT成像质量的方法.