Indium (In) Foil Sheet (T 0.02-0.1 mm, L 100mm * W 100mm) for Fabricating Battery Anode Li-In Alloy, CBAAIFS
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Indium foil undergoes a lithiation process to form a Lithium-Indium (Li-In) alloy, which is preferred over pure lithium for several critical reasons:
(1) Stable Redox Plateau: The Li-In alloy operates at a very stable potential of approximately 0.62 V vs Li/Li+. This makes it an ideal reference electrode for testing new solid electrolytes.
(2) Fast Kinetics: Indium has an exceptionally low migration energy barrier. The lithium diffusion coefficient in the LiIn phase is roughly 5.5 * 10^(-7) cm^2/s, which is significantly faster than many other alloys, enabling fast charging (some research shows 5-minute charge cycles).
(3) Dendrite Suppression: Pure lithium tends to form "fingers" (dendrites) that pierce solid electrolytes and cause shorts. Indium alloys promote uniform deposition and have a "self-healing" mechanical softness that maintains contact with the electrolyte.
| Part Number |
CBAAIFS (C-BAA-IFS) |
| Purity |
>99.99% |
| Dimension |
(1) T 0.02mm * W 100mm * L 100mm (2) T 0.05mm * W 100mm * L 100mm
(3) T 0.10mm * W 100mm * L 100mm
Other sheet dimensions can also be supplied upon request.
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