What is a lithium ion battery?

Today, lithium-ion batteries (LIBs) are the dominant battery technology and have been widely deployed in portable electronics, EVs, and grid storage due to their enhanced features, such as high energy density, high power density, and long cycle life.

How accurate are physics-based models in the digitalization of lithium-ion batteries?

Accurate physics-based models play a crucial role in the digitalization of lithium-ion batteries by providing an in-depth understanding of the system. Unfortunately, the high accuracy comes at the cost of increased computational cost preventing the employment of these models in real-time applications and for parametric design.

How can digitization improve the quality of lithium-ion battery cells?

Digitizing the entire process will make a significant contribution to improving and stabilizing the quality of lithium-ion battery cells. A particular focus of digitizing the battery cell production process is on developing a consistent traceability concept for tracking and assigning process parameters and product features.

What is a battery digital twin?

These electrochemical-thermal models are ideal for testing battery design ideas in a digital environment and can be developed further into battery digital twins . In this context, a digital twin (DT) is defined as a virtual dynamic model that replicates the behavior of a physical entity .

Are lithium-ion batteries a key enabler for a low carbon future?

Effective management of lithium-ion batteries is a key enabler for a low carbon future, with applications including electric vehicles and grid scale energy storage. The lifetime of these devices depends greatly on the materials used, the system design and the operating conditions.

How does a lithium battery form?

Forming refers to the initial processes of charging and discharging the battery cell. Subsequently, the cells are guided into special carriers in form stands and brought into contact with them by spring-loaded contact pins. During the formation process, lithium ions are intercalated in the crystalline structure of the graphite on the anode side.