Abstract
Due to global warming and the rise of the CO2 emissions electric mobility is in the focus. In this case costs for li-ion batteries and especially the material costs are the main cost drivers for electric vehicles. The aim of this paper is to develop a material cost model which can evaluate cell chemistry alternatives for li-ion battery anodes and cathodes. A focus is set on innovative cell chemistries which currently are not using in mass production. The presented model is based on bottom-up approach which can calculate costs and cell performance together to determine the ratio of material cost and energy. The general results are complemented with a case study that assesses that active material with a high specific energy can help reducing the material costs and improves cell performance parameters.
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Abbreviations
- A:
-
surface of the electrode-separator-layer-package per cell
- ap :
-
passive material part
- C:
-
capacity of the cell
- cspec :
-
specific capacity of the active material
- E:
-
energy of the cell
- hA+P :
-
solid content electrode film
- KB:
-
electrode loading
- Mk :
-
mass cathode active film
- pactive :
-
true density active material
- ppassive :
-
true density passive material
- U:
-
nominal voltage of the cell
- ua :
-
potential anode active material
- uk :
-
potential cathode active material
- Vi :
-
inner cell volume
- ϕ :
-
filling factor
- Z:
-
thickness of the electrode-separator-layer-package
- za :
-
anode film thickness
- ze :
-
electrode film thickness
- zk :
-
cathode film thickness
- zka :
-
collector thickness anode
- zkk :
-
collector thickness cathode
- zsep :
-
separator thickness
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Petri, R., Giebel, T., Zhang, B. et al. Material cost model for innovative li-ion battery cells in electric vehicle applications. Int. J. of Precis. Eng. and Manuf.-Green Tech. 2, 263–268 (2015). https://doi.org/10.1007/s40684-015-0031-x
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DOI: https://doi.org/10.1007/s40684-015-0031-x