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US 2020/0403233 A1Published application
Anode Materials For Lithium Batteries And Methods Of Making And Using Same
AssigneeJohnson Matthey Public Limited Company
InventorsXiaohua Ma, Mark N. Obrovac
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Abstract
An electrochemically active material includes an active phase that includes silicon, and at least one inactive phase having a Scherrer Grain Size of greater than 5 nanometers. Each inactive phase of the material having a Scherrer Grain Size of greater than 5 nanometers has a lattice mismatch to Li15Si4 of greater than 5%.
Claims15
An electrochemically active material comprising:
- an active phase comprising silicon;
- at least one inactive phase having a Scherrer Grain Size of greater than 5 nanometers;
- wherein each inactive phase of the material having a Scherrer Grain Size of greater than 5 nanometers has a lattice mismatch to Li15Si4 of greater than 5%.
Dependencies are inferred from the claim text.