ML: Li-ion 🔋 Crystal Structure

Physical and chemical properties of the Lithium-ion silicate cathodes are used to predict the crystal structure of a Lithium-ion battery material as monoclinic, orthorhombic and triclinic. This case study demonstrates how feature engineering improves the classification results.

Objective
Predict the crystal structure type (monoclinic, orthorhombic, triclinic) from Lithium-ion physical and chemical compound information.

Background
Lithium-ion batteries are commonly used for portable electronics, electric vehicles, and aerospace applications. During discharge, Lithium ions move from the negative electrode through an electrolyte to the positive electrode to create a voltage and current. During recharging, the ions migrate back to the negative electrode. The crystal structure (monoclinic, orthorhombic, triclinic) is available for 339 different chemicals that contain lithium.

Available Properties
🔋 Formula: chemical formula of the compound
🔋 Space group: symmetry group of a three-dimensional crystal pattern
🔋 Formation Energy (eV): energy required to produce the material from standard elements
🔋 E Above Hull (eV): energy released if compound is decomposed into the most stable compounds
🔋 Band Gap (eV): energy range in a solid where no electronic states can exist. A larger band gap indicates that the compound is worse at conducting electricity or heat.
🔋 Nsites: Number of atoms in the unit cell of the crystal
🔋 Density (gm/cc): mass per volume of bulk crystalline materials
🔋 Volume: unit cell volume of the material
🔋 Has Band Structure: Boolean (True / False) variable for band structure

0:00 Predict Crystal Structure
1:38 Background Info
2:56 Data and Notebooks
3:50 Install / Import Libraries
6:11 Read Data and Data Types
9:00 Encoding Methods
11:45 Categorical Encoding
16:58 Domain Knowledge
18:11 Encode Label
21:11 Performance Test
23:03 Results
24:50 Feature Engineering

[claudioricciardiello]

This is simply wonderful!!!! Thank you very much!