Electrode for battery cells, battery cell containing them and their use

摘要

An electrode for battery cells is described, in particular for lithium-containing secondary cells, comprising a layered electrode material (40) which contains an electrode active material (42) and a polymeric binder (32), the electrode active material (42) comprising silicon particles and the polymeric binder (32) contains a block copolymer of polyacrylic acid with at least one other polymer.