Renata Ag

Renata Sa

Csem Centre Suisse D'electronique Et De Microtechnique Sa - Recherche Et Développement

Oussama El Baradai

Pascal Haering

Alessandro Mustaccio

Soren Fricke

Christian Bosshard

Sören Fricke

A multilayer separator () for a lithium-ion battery having a structure including at least a polyolefin based substrate layer () forming the inner layer of the multilayer separator (); a resin layer () stacked on both surface of the polyolefin substrate layer (), the resin layer () being formed from a polyolefin; a cellulose fibers based outer layer () stacked on the surface of each resin layer ().

Multilayer separator including polyolefin based substrate layer stacked with polyolefin resin layer and cellulose fibers based outer layer, and lithium ion battery including the same

A foldable flexible assembling of cells for a lithium-ion battery including: a separator containing an electrolyte; a series of n physically separated negative electrodes located on the first side of the separator and a series of n physically separated positive electrodes located on the second side of the separator; a first current collector including a layer covering continuously the series of negative electrodes so as to ensure electrical connection between all the negative electrodes; and a second current collector including a layer covering continuously the series of positive electrodes so as to ensure electrical connection between all the positive electrodes.

Foldable flexible assembling of cells for a lithium-ion battery and current collector with carbon based conductive material

The present invention relates to multilayer packaging structure () for a thin film battery () wherein a metal layer () is sandwiched between a first layer () and a second layer (). A first opening () is arranged in the first layer () such that a first portion () of the metal layer () associated with the first opening () is exposed and is configured to be able to be in electrical contact with a current collector of the thin film battery (). A second opening () is arranged in the second layer () such that a second portion () of the metal layer () associated with the second opening () is exposed and is configured to be able to be electrically connected to an external circuitry. The invention further relates to a method () for manufacturing of the multilayer packaging structure ().

Multilayer packaging structure for a thin film battery and a method for manufacturing of such a structure

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Basel, Switzerland

Oussama El Baradai