Project Team
Students
Isaiah Adu
Mechanical Engineering
Penn State University Park
Faculty Mentors
Ramakrishnan Rajagopalan
Penn State University Park, Penn State DuBois
Department of Engineering Science and Mechanics, Penn State University Park, Department of Engineering, Penn State DuBois
Project
Project Video
Project Abstract
Prelithiation plays a pivotal role in the development of high-rate lithium batteries. This process can be achieved through either a short circuit approach or chemical lithiation. Our research focuses on the development of a fully automated roll-to-roll manufacturing technique for prelithiated anodes, employing the short circuit method. To accomplish this, we designed and constructed a device capable of applying a diverse range of controlled pressures to the lithium graphite plates. By doing so, we significantly enhanced the precision of the short circuit process, enabling us to achieve more consistency and reliability. Additionally, the device’s versatility will allow us to explore how varying pressure over time affects the speed and quality of the lithiation process, yielding valuable insights into process optimization. By implementing such optimizations, the development of high-rate lithium batteries could be revolutionized, as even minor reductions in production time would result in significant increases in large-scale production capacity.
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