Summary:

The invention provides a multifunctional current collector, wherein the multifunctional current collector comprises: a current collector base layer and a functional layer, and the functional layer comprises: an organic lithium supplement, a catalyst, a conductive agent and a binder, wherein the organic lithium supplement is a carbonized compound of lithium, and the catalyst is a transition metal carbide. The multifunctional current collector provided by the present invention can reduce the decomposition potential of the organic lithium supplement material to below 4.4V.

Link: http://epub.cnipa.gov.cn/patent/CN114551900A?8kt2YOWWXQBD=1667818889922