Crushing of large Li-ion battery cells

Waste Management
L WuschkeU A Peuker

Abstract

The number of electric and hybrid electric vehicles (EVs and HEVs) as an alternative to internal combustion engines (ICE) has been rapidly growing for the last five years. When the electric cars or their traction batteries reach their end of life (EOL), an efficient recycling (from a material as well as an energetic point of view) is important to ensure sustainability and to close the materials cycle. Combining mechanical processes like crushing, screening and sorting, valuable metals such as copper, steel and aluminium can be recovered. Key to this is a sufficient liberation of components by crushing and grinding. This study focuses on safety issues of mechanical processing and on the correlation between the material composition and the required specific mechanical energy input necessary to break the Li-ion battery cell apart. Investigations on the crushing behaviour of the single components (anode-, cathode- and separator foils as well as housing materials) and entire Li-ion battery cells were done. Measured specific mechanical stress energies for the crushing of complete battery cells are compared to calculated ones. Inputs to the calculation are the measured specific stress energies of the single components comminution. As ...Continue Reading

Citations

Sep 6, 2019·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Haijun BiZhongwei Wu
Nov 18, 2020·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Zhongwei WuSong Gao
Jan 8, 2021·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Haijun BiHuabing Li
Nov 25, 2020·Journal of Hazardous Materials·Guangwen ZhangWeining Xie
Jun 26, 2021·Journal of Environmental Management·Lívia Salles MartinsDenise Crocce Romano Espinosa
Oct 31, 2021·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Denis Manuel WernerUrs Alexander Peuker

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