Battery Materials Toolkit

Fast local calculators for battery materials research: capacity, energy density, N/P ratio, C-rate, current density, areal capacity, recipes, units, and saved snapshots.

Battery Materials Toolkit is a focused calculator toolbox for battery materials and electrode work. It helps you move from quick lab estimates to repeatable calculation snapshots without spreadsheets or sign-in.

Included in v1.0:

• Theoretical capacity in mAh/g
• Energy density in Wh/kg and mWh/g
• N/P ratio with balance hints
• C-rate, current, and charge/discharge time
• Current density in mA/cm²
• Areal capacity, mass loading, active material ratio, and specific capacity conversions
• Electrode recipe mass calculation for active material, conductive additive, binder, and solvent
• Unit converter for common battery-material units
• Local saved calculations with notes, reopen, and delete

All calculations run locally on your device. Saved calculations stay on this device unless you choose to share the results yourself.

This app is intended as an engineering and research aid. Please verify important results with your own protocols and standards.

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