Chemistry & Cell Components

Chemistry & Cell Components

Solid State | Supply Chain & Manufacturing

Solid State | Supply Chain & Manufacturing

Manufacturing differences with respect to traditional li-ion with liquid electrolyte Chemistry

Li-ion with Liquid Electrolyte

Oxide Solid State Battery

Sulfide Solid State Battery

Polymer Solid State Battery

Key Manufacturing Differences

Anode Production

Cathode Production

Separator Production

Cell Assembly

Anode slurry mixing and coating, drying,

Cathode slurry mixing and coating,

Extrusion process, can be both dry and

Stacking, packaging, electrolyte filling

calendering

drying, calendering

wet

and degassing, aging

Lithium foil extrusion, calendaring,

Cathode slurry mixing and coating,

Slurry mixing and coating, HT sintering,

lamination

drying, LT sintering

lamination, LT sintering

Lithium foil extrusion, calendaring,

Cathode slurry mixing and coating,

Slurry mixing and coating, drying,

lamination

drying, calendering

calendering

Extrusion, calendaring

Extrusion, calendering

Lithium foil extrusion, calendaring, lamination

Remarkable difference in comparison to Li-ion, primarily attributed to the extrusion process of the lithium metal foil. Notably, the process for Si-based anodes is more akin to traditional Li-ion methods.

Source: Fraunhofer ISI

For Oxide and Sulfide, the In Oxide and Sulfide SSBs, the cathode undergoes a process wet processing of the similar to traditional Li-ion, but separator markedly differs solid electrolyte particles are from the traditional extrusion mixed in the slurry. process employed in Li-ion Additionally, Oxide SSBs need batteries. the expensive sintering step. On the other hand, Polymer SSBs necessitate extrusion.

Stack pressing, aging

Stack pressing, aging

Stack pressing, aging

Unlike Li-ion batteries, SSBs do not require electrolyte filling and degassing, marking one of the distinctive advantages of SSBs.

Extracted from the PDF; charts and images may read imperfectly.