Operando Computed Tomography (CT) Split Cell (I.D. = 2 mm) for Battery Characterization, CBCOCTSC
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An operando CT (Computed Tomography) split cell is a highly specialized fixture designed to allow high-resolution X-ray imaging of a battery's internal structure while it is actively cycling. The primary challenge for these cells is balancing X-ray transparency with the high mechanical pressure required for solid-state battery (SSB) stability. An operando CT cell must incorporate: (1) X-ray Transparent Windows: Typically made of Beryllium (Be), Glassy Carbon, or thin Kapton polyimide. Beryllium is the gold standard due to its high strength and low X-ray absorption, though it requires careful handling. (2) Minimal "Dead Path": The distance between the X-ray window and the electrode must be as small as possible (often < 2 mm) to prevent the X-rays from scattering or losing intensity before hitting the sample. (3) Radial Symmetry: For CT (which requires 360° rotation), the cell is often cylindrical and slim to minimize the change in X-ray path length as the cell rotates.
| Part Number |
CBCOCTSC (C-BC-OCTSC) |
| Structure/Components |
Top/Bottom Metal Part: Special #4 Stainless Steel (corrosive-resistant to most solid-state electrolytes)
Sleeve or cell body: PEEK
|
| Cell Sizes |
 |
| Max. Operation Pressure |
≤500 MPa
|
| Max. Working Temperature |
≤ 250 °C
|
| Note | The cell components should be thoroughly cleaned and dried after use. |