MULTILAYER PROTECTIVE ELEMENT FOR A BATTERY ASSEMBLY COMPRISING AT LEAST TWO BATTERY CELLS

• Main Authors: Otte, Stefan, Knecht, Tobias, Almstedt, Nina, Calixto, Roger, Lee, Keon
• Format: Patent
• Language: English; French; German
• Published: 26.06.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TRANSPORTING

The invention relates to a multilayer protective element (1) for a battery assembly (100) comprising at least two battery cells (10), wherein the protective element (1) can be arranged between the battery cells (10) and wherein the protective element (1) comprises at least two layers, wherein a first layer is formed as an elastic buffer layer (2) and comprises a foamed polymeric material and/or a woven polymeric material and/or an unwoven polymeric material and a second layer is formed as a heat insulating barrier layer (3) and comprises a ceramic material. The invention further relates to a battery assembly (100) comprising such a multilayer protective element (1), and to the use of a multilayer protective element (1) in a battery assembly (100).