Abstract:
Lithium-ion batteries (LIBs) are the central source of energy storage for a myriad of
devices, from small medical electronics to larger portable devices. They find their
applications in implantable devices within the healthcare system. However, thermal
management of LIBs remains a critical challenge, particularly under higher chargedischarge conditions. To address this issue, intensive research is being conducted. This
thesis employs the method of direct contact liquid cooling of LIBs to control their
temperature within safe operating conditions. The thermal analysis of LIBs evaluates
cooling with or without an externally powered cooling system to enhance the performance
and safety of LIBs, effectively increasing their life cycle. The experimental setup involves
immersing a standard commercial LIB in silicon oil, which is circulated and cooled using
an external pump, radiator, and fan before being circulated back to the LIB chamber. The
results show significant improvements in the thermal stability of LIBs with this method
and the peak temperature values indicate higher thermal cooling, stability, and safety.
Thermal management of lithium-ion batteries in medical devices, along with the
applications and future prospects of lithium battery systems, are the core topics of this
thesis. LIBs are the most effective and ideal power storage systems and have found
applications in various portable electronic medical devices such as electric wheelchairs.
These medical portable devices use batteries for their portability, providing a range of
movement and power backup during emergencies. This research also recommends the
future of LIBs in the medical industry and lays the foundation for thermal analysis
groundwork for future research.
