Principal Aspects and Simulation of a Hybrid Demonstrator Vehicle's Cooling System

Abstract

This paper describes how the hybridization of conventional vehicles affects the cooling system layout. Combustion engines, electric drives, power electronics and batteries run at different temperature levels, thus, the heat loss should dissipate to individual cooling circuits. To ensure safe and reliable operation a thorough design of the cooling system is required. In the second part of the paper, the system layout for a SUV is shown. The hybrid vehicle presented here uses the power from an internal combustion engine and two electric drives. It features three different cooling circuits. The layout process is supported by a sophisticated simulation technique: by means of co-simulation of the mechanical, electrical and thermal systems, the system behavior has been analyzed under various ambient conditions and vehicle loads. The results of these simulations will be the basis for the final system layout and thermal management strategy of the vehicle.

Poly(Ionic Liquid)s-in-Salt Electrolytes with Co-coordination-Assisted Lithium-Ion Transport for Safe Batteries

“…These performances also highlight the practical applications of polyIL-insalt electrolyte in high temperature batteries, which is a strategy to greatly simplify the battery system and improve energy efficiency for EVs. 60,61 Ongoing full cell testing, including with higher voltage cathode materials, is underway to determine the full potential of these electrolytes.…”

Pyrrolidinium FSI and TFSI-Based Polymerized Ionic Liquids as Electrolytes for High-Temperature Lithium-Ion Batteries

“…[30][31][32][33][34][35] • C. A drastically alternative approach is to remove the special battery cooling system and merge it with the cooling system of the power electronics, working to cool to ca. 80-100 • C, whereby the overall efficiency of the vehicle can be increased [6]. Different concepts have been employed to improve the thermal stability and create high-temperature (HT) stable LIB (HT-LIB) electrolytes.…”

Development of efficient air-cooling strategies for lithium-ion battery module based on empirical heat source model

“…In addition, air ventilation is necessary in the particular battery systems which produce potentially hazardous gases [38,39]. Many researchers have carried out related work: Xu [40] researched the heat dissipation performance of different air flow duct modes of a 48 cells battery pack, in order to offer an optimal air flow duct mode.…”