公开(公告)号：US20230327111A1

公开(公告)日：2023-10-12

申请号：US17714264

申请日：2022-04-06

Applicant: SAFT AMERICA

Inventor： Saori TOKUOKA ,  Thomas Greszler ,  John Havranek ,  Jian Dong ,  Xilin Chen ,  Frank Cao

IPC: H01M4/587 ,  H01M10/0569 ,  H01M10/0567 ,  H01M10/0565 ,  H01M10/0525 ,  H01M4/525

CPC classification number: H01M4/587 ,  H01M10/0569 ,  H01M10/0567 ,  H01M2004/027 ,  H01M10/0525 ,  H01M4/525 ,  H01M10/0565

Abstract: A lithium-ion secondary battery, including (A) an anode including an anode active material; (B) a cathode including a cathode active material; (C) a separator; and (D) an electrolytic solution, the anode active material including (a1) about 5.0 to about 45.0 wt % natural graphite particles, and (a2) about 95.0 to about 55.0 wt % artificial graphite particles; a size of both the natural and artificial graphite particles (a1), (a2) independently being about 2.0 μm