公开(公告)号：US20150349334A1

公开(公告)日：2015-12-03

申请号：US14655198

申请日：2013-12-13

Applicant: SAFT

Inventor： Erwan DUMONT ,  Philippe BOREL ,  Yannick TORET

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/136 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/131 ,  H01M4/525 ,  H01M4/505

CPC classification number: H01M4/131 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/136 ,  H01M4/364 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525

Abstract: The invention relates to a lithium accumulator comprising: a) a current collector (4); and b) a stack of at least two layers (1, 2, 3) arranged on at least one surface of the current collector, wherein a first layer (1) is in contact with the surface of the current collector and comprises a mixture of at least two compounds selected from: a lithiated manganese phosphate, a lithiated transition metal oxide, and a lithiated spinel-type manganese oxide; and an outer layer (2) comprises an active material comprising at least 90% of a lithiated iron phosphate.

Abstract translation: 本发明涉及一种锂蓄电池，包括：a）集电器（4）; 和b）布置在所述集电器的至少一个表面上的至少两层（1,2,3）的堆叠，其中第一层（1）与所述集电器的表面接触，并且包括 选自：锂化磷酸锰，锂化过渡金属氧化物和锂化尖晶石型氧化锰中的至少两种化合物; 并且外层（2）包含包含至少90％的锂化磷酸铁的活性材料。