Ignite the Next Stage of Development
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ENERGY SYSTEMS
Ignite the Next Stage of Development
of 1-D and 3-D 8 Interaction Battery Simulation at System
6
state 14 “Solid electrolyte technology
Validation 18 Model-based of L ithium-ion Batteries
and Component Levels
is a possible trigger”
for Vehicle Use
Josep Salvador, Jürgen Schneider
Interview with Akira Yoshino
Franz Langmayr, Ulrich Penitz
[AVL]
[Asahi Kasei]
[Uptime Engineering]
Future vehicle energy systems must be efficient and intelligent, otherwise the ever more stringent emissions legislation will not be complied with. This is true not only for pure battery electric and hybrid systems, but also for fuel cell technology. The number of possible configurations can only be managed through the use of modeling, simulation and optimization of excerpts of reality in computers. The models and algorithms used in simulation provide sustainable support for the cost-effective and time-efficient development of new powertrains and vehicles. In order to fulfill future requirements, so-called 1-D models are suitable at a system and component level that are created and calibrated based on detailed 3-D analyses. AVL describes such methods for the simulation of complex systems using the development of a battery pack as an example. The reliability and lifetime of lithium-ion batteries have been the subject of intense discussions for a long time. The strong growth in the number of electric and hybrid vehicles makes these two issues increasingly relevant since they are not only essential for their profitability but also for their acceptance in the market. And despite this, validation program design still largely ignores inherent damage mechanisms. Uptime Engineering explains how an understanding of damage mechanisms can enable tests to be optimized.
© AdobeStock | wo-a-he
Today’s battery electric vehicles would not even exist without lithium-ion batteries. The driving force behind many current technologies is, alongside electronics, the storage of electrical power. However, in order for the next step to be taken from early adopters to mainstream, a further leap is necessary in energy density and the temperature window, according to the interview with Akira Yoshino, the inventor of the lithium-ion cell. Alexander Heintzel
ATZ electronics worldwide 12|2020
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