公开(公告)号：US20160218397A1

公开(公告)日：2016-07-28

申请号：US15023789

申请日：2014-09-29

Applicant: NEC CORPORATION

Inventor： Hideaki SASAKI ,  Takehiro NOGUCHI ,  Yuukou KATOU ,  Makiko TKAHASHI

IPC: H01M10/42 ,  H01M4/525 ,  H01M4/58 ,  H01M4/587 ,  H01M10/46 ,  H01M10/0569 ,  H01M10/615 ,  H01M10/625 ,  H01M10/657 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M10/4207 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/441 ,  H01M10/46 ,  H01M10/615 ,  H01M10/625 ,  H01M10/657 ,  H01M10/66 ,  H01M16/00 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/20 ,  H02J7/0013 ,  Y02E60/122

Abstract: An object of the present invention is to provide a battery system improved in output characteristics and/or storage characteristic while taking advantage of high energy density of a lithium ion secondary battery comprising a positive electrode containing a positive electrode active material having an operating potential of 4.5 V or more relative to a lithium metal. The present invention relates to a battery system having a first battery consisting of a 5 V-level battery(s), a second battery consisting of a 4 V-level battery(s), and a control system.

Abstract translation: 本发明的目的是提供一种改善输出特性和/或存储特性的电池系统，同时利用包含正极的锂离子二次电池的高能量密度，该正极含有工作电位为4.5的正极活性物质 V以上。 电池系统技术领域本发明涉及具有由5V级电池组成的第一电池，由4V级电池组成的第二电池和控制系统的电池系统。