Batteries, Vol. 8, Pages 13: Evaluating the Feasibility of a Cold Start Procedure for the purpose of Solid State Batteries in Automotive Applications
Electric batteries doi: ten. 3390/batteries8020013
Authors: Jones Hughes Christopher Vagg
This paper addresses the thermal management of a good polymer electrolyte battery system, which is currently the particular only commercialized solid-state battery power chemistry. These batteries purpose to boost the range of electric vehicles by facilitating a lithium metal anode but are restricted to operational temperatures above 60 & amp; deg; C. The feasibility of a cool start procedure is analyzed, which would enable a solid polymer battery to be used, without preconditioning, in a wide variety of ambient temperatures. The particular proposed solution involves dividing the solid-state battery straight into smaller sub-packs, which may be heated and brought online more quickly. Thermal modelling displays a cold start treatment is theoretically feasible when you use a small liquid electrolyte lithium battery at the particular start. The key bottlenecks are the rate with which the solid-state electric batteries can be heated, and the discharge rates they can provide. After resistive heating is used for the first solid-state module, just about all subsequent heating can be provided by waste temperature from the motor and operating battery modules. Because of to the insulation necessary, the proposed system offers lower volumetric, but increased gravimetric energy density than liquid electrolyte systems. This work suggests that along with suitable system-level design, solid-state batteries could be broadly adopted despite temperature restrictions.