About: Resistive Joining – A Novel Dissimilar Welding Method for Thin Sheet Metals

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Resistive Joining – A Novel Dissimilar Welding Method for Thin Sheet Metals
Creator	Wang, Hongliang Perry, Thomas Chen, Nannan Schroth, James Sekol, Ryan »more»
source	Elsevier
abstract	Abstract Next-Generation batteries requires more energy and output power due to the high demands of applications to large-size vehicles, e.g. SUVs and trucks. As a result, multiple dissimilar battery cell tabs are joined together in parallel and carry larger currents in the electrical circuit. Ultrasonic and laser welding have been the two dominant battery cell joining processes in the automotive industry. However, both of them have limitations for joining a large number of stacked battery tabs at one time. Since failure of a single joint can impact the battery and eventually the vehicle, it is important to ensure process robustness and soundness of the resulting battery tab joints. In this study a new joining method, resistive joining (RJ), has been developed for welding multiple dissimilar (copper and aluminum) battery tabs. First, nickel-phosphorus (Ni-P, with ~7 wt% phosphorus) is electroless plated on both sides of selected tabs. In the subsequent resistive joining process, heat is concentrated at the high-electrical-resistivity Ni-P coatings as an electric current is passed through the joint. Aluminum is melted adjacent to the Ni-P coating due to its low melting temperature, and a portion of the Ni-P coating is dissolved into the liquid aluminum and a metallurgical bond is formed as the aluminum re-solidifies. In the meantime, solid-state bonds are formed between the Ni-P coating and copper due to material interdiffusion. Consequently, no Al-Cu intermetallic compound (IMC) is generated at the joint, and the strengths of RJ joints are higher than the base metal when tested in a lap-shear configuration.
has issue date	2020-12-31(xsd:dateTime)
bibo:doi	10.1016/j.promfg.2020.05.030
has license	els-covid
sha1sum (hex)	cfab5a61893c4bb8301d7ef30f1d6c268fbbeb89
schema:url	https://doi.org/10.1016/j.promfg.2020.05.030
resource representing a document's title	Resistive Joining – A Novel Dissimilar Welding Method for Thin Sheet Metals
schema:publication	Procedia Manufacturing
resource representing a document's body	covid:cfab5a61893c4bb8301d7ef30f1d6c268fbbeb89#body_text
is schema:about of	named entity 'welding' named entity 'bond' named entity 'copper' named entity 'output power' named entity 'Ultrasonic' »more»

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