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Lithium-ion batteries are preferred in electric and hybrid-electric vehicles due to their high energy density. In the course of developing high performance battery systems, which consist of over a hundred single cells, the energy efficiency still needs to be increased. One promising measure concerning this purpose is to reduce the electrical losses of contacts between the lithium-ion cells using laser...
The main task of high performance electrical contacts is the transmission of electrical power with low power dissipation. The decisive value to calculate the electrical losses of a contact is the resistance of the contact configuration. The electrical resistance can be decreased applying laser welded connections. This promising joining technology offers the opportunity to vary the contact area as...
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