公开(公告)号：US20170279153A1

公开(公告)日：2017-09-28

申请号：US15506573

申请日：2015-09-04

申请人： NEC ENERGY DEVICES, LTD.

发明人： Tomoyuki OHTA ,  Ryota YANAGISAWA ,  Takayuki SUZUKI

IPC分类号： H01M10/0525 ,  H01M4/04 ,  H01M10/42 ,  H01M2/02 ,  H01M10/058 ,  H01M10/0566

CPC分类号： H01M10/0525 ,  H01M2/0275 ,  H01M2/361 ,  H01M4/04 ,  H01M10/0566 ,  H01M10/058 ,  H01M10/4214 ,  H01M2004/027 ,  H01M2004/028 ,  Y02P70/54 ,  Y02T10/7011

摘要： A method for manufacturing a lithium ion secondary battery, the lithium ion secondary battery including a positive electrode and a negative electrode disposed with a separator sandwiched therebetween and contained together with an electrolytic solution in an outer case including a flexible film, wherein the quantity of dissolved nitrogen in the electrolytic solution in injecting the electrolytic solution into the outer case is 100 μg/mL or less.

公开(公告)号：US20160111728A1

公开(公告)日：2016-04-21

申请号：US14893990

申请日：2014-07-01

申请人： NEC ENERGY DEVICES, LTD.

发明人： Tomoyuki OHTA

IPC分类号： H01M4/66 ,  H01M4/13 ,  H01M4/04 ,  H01M10/0525

CPC分类号： H01M4/667 ,  H01M2/263 ,  H01M2/266 ,  H01M4/0471 ,  H01M4/13 ,  H01M10/0525

摘要： An electrode (1) for use in a nonaqueous electrolyte secondary cell includes: a current-collecting foil (10); an electrode mixture layer (2) that is formed on a portion of the current-collecting foil (10); and an oxide film (6) provided on the current-collecting foil (10) in at least a region that extends from the boundary (5) between a forming section (3) and a non-forming section (4) of the electrode mixture layer (2) and over a portion of the non-forming section (4).

摘要翻译： 一种用于非水电解质二次电池的电极（1）包括：集电箔（10）; 形成在集电箔（10）的一部分上的电极混合物层（2） 以及设置在集电箔（10）上的至少一个从边界（5）延伸到电极混合物的形成部分（3）和非成形部分（4）之间的区域中的氧化膜（6） 层（2）和非成形部分（4）的一部分之上。