Patent ID: 11942593
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  Y | IPC H

Claim 24:
25. The lithium battery of claim 1, wherein the separator comprises:
a single-layered structure comprising a first layer comprising the cellulose nanofibers;
a multi-layered structure comprising: a first layer comprising the cellulose nanofibers; and a second layer disposed on one surface of the first layer and comprising polyolefin;
a multi-layered structure comprising: a first layer comprising the cellulose nanofibers; a second layer disposed on one surface of the first layer and comprising polyolefin; and a thirds layer disposed on another surface of the first layer and comprising a polyolefin;
a multi-layered structure comprising: a first layer comprising the cellulose nanofibers; and a second layer disposed on one surface of the first layer and comprising the cellulose nanofibers, and having a composition different from that of the first layer;
a multi-layered structure comprising: a first layer comprising the cellulose nanofibers; a second layer disposed on one surface of the first layer and comprising the cellulose nanofibers and having a composition different from that of the first layer; and a third layer disposed on another surface of the first layer and comprising the cellulose nanofibers, and having a composition different from that of the first layer;
a multi-layered structure comprising: a first layer comprising the cellulose nanofibers; a second layer disposed on one surface of the first layer and comprising polyolefin; and a third layer disposed on another surface of the first layer and comprising the cellulose nanofibers, and having a composition different from that of the second layer;
a multi-layered structure comprising: a first layer comprising polyolefin; a second layer disposed on one surface of the first layer and comprising the cellulose nanofibers; and a third layer disposed on another surface of the first layer and comprising the cellulose nanofibers; or
multi-layered structure comprising: a first layer comprising polyolefin; a second layer disposed on one surface of the first layer and comprising the cellulose nanofibers; and a third layer disposed on another surface of the first layer and comprising the cellulose nanofibers and having a composition different from that of the second layer.