公开(公告)号：EP1447866A4

公开(公告)日：2007-12-26

申请号：EP02783588

申请日：2002-11-21

申请人： YUASA BATTERY CO LTD

发明人： SHIOZAKI RYUJI ,  FUJII AKIHIRO ,  OKABE KAZUYA ,  NUKUDA TOSHIYUKI

IPC分类号： C01G45/00 ,  C01G53/00 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/48 ,  H01M4/485 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/36

CPC分类号： H01M4/131 ,  B82Y30/00 ,  C01G45/1228 ,  C01G51/44 ,  C01G51/50 ,  C01G53/44 ,  C01G53/50 ,  C01P2002/54 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

摘要： A positive electrode active material for a lithium secondary cell having a high energy density and excellent in charging/discharging cycle performance, and a lithium secondary cell having a high energy density and excellent in charging/discharging cycle performance are disclosed. A positive electrode active material for a lithium secondary cell is characterized in that the composition of the active material is LixMnaNibCocO2 (where a, b, and c are values of a point (a, b, c) on a side of or inside a quadrilateral ABCD having vertexes A(0.5, 0.5, 0), B(0.55, 0.45, 0), C(0.55, 0.15, 0.30), and D(0.15, 0.15, 0.7)) on a ternary state diagram showing the relationship among a, b, and c, and satisfy the expressions 0.95

公开(公告)号：EP1372202A4

公开(公告)日：2005-07-27

申请号：EP02703970

申请日：2002-03-12

申请人： YUASA BATTERY CO LTD

发明人： OKABE KAZUYA ,  SHIOZAKI RYUJI ,  FUJII AKIHIRO ,  ITO AKINORI ,  YUFU HIROSHI

IPC分类号： H01M10/05 ,  C01G53/00 ,  H01M4/00 ,  H01M4/505 ,  H01M4/525 ,  H01M4/02

CPC分类号： C01G53/50 ,  C01G45/1228 ,  C01G45/1242 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/021

摘要： A positive electrode active material for producing a nonaqueous electrolyte secondary cell exhibiting an excellent high-rate charging/discharging performance and an excellent charging/discharging cycle performance and having a high energy density, and a nonaqueous electrolyte secondary cell exhibiting an excellent high-rate charging/discharging performance and an excellent charging/discharging cycle performance and having a high energy density. The main component of the positive electrode active material is a Li-Mn-Ni composite oxide, and the positive electrode active material is characterized in that the specific surface of the Li-Mn-Ni composite oxide measured by the BET method is 0.3 m2/g or above and 1.5 m2/g or below. The nonaqueous electrolyte secondary cell comprises such a positive electrode active material.

公开(公告)号：EP0971433A4

公开(公告)日：2003-09-03

申请号：EP99901152

申请日：1999-01-25

申请人： YUASA BATTERY CO LTD

发明人： NAKAGAWA HIROE ,  OKABE KAZUYA ,  ITOH KOJI ,  ITOH TAKASHI ,  OCHIAI SEIJIRO ,  IZUCHI SYUICHI

IPC分类号： H01M2/16 ,  H01M4/04 ,  H01M4/13 ,  H01M4/139 ,  H01M4/62 ,  H01M6/12 ,  H01M6/18 ,  H01M6/40 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/36 ,  H01M10/40 ,  H01M4/02

CPC分类号： H01M4/0438 ,  H01M2/1673 ,  H01M4/04 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/0416 ,  H01M4/043 ,  H01M4/045 ,  H01M4/0452 ,  H01M4/13 ,  H01M4/139 ,  H01M4/621 ,  H01M4/623 ,  H01M6/12 ,  H01M6/181 ,  H01M6/188 ,  H01M6/40 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2300/0085 ,  Y10T29/49115

摘要： A lithium secondary battery of flat type comprises a positive electrode (1) that includes a positive-electrode mixture (11) covered integrally with an electrolyte layer (13) consisting only of an electrolyte identical with the electrolyte contained in the positive-electrode mixture (11), and a negative electrode (2) that includes a negative-electrode mixture (21) covered integrally with an electrolyte layer consisting only of an electrolyte identical with the electrolyte contained in the negative-electrode mixture (21). The positive electrode (1) and the negative electrode (2) are opposed with the electrolyte layers (13 and 23) interleaved.

公开(公告)号：EP1391950A4

公开(公告)日：2006-05-03

申请号：EP02722703

申请日：2002-04-18

申请人： YUASA BATTERY CO LTD

发明人： SHIOZAKI RYUJI ,  OKABE KAZUYA ,  NUKUDA TOSHIYUKI ,  FUJII AKIHIRO ,  INAMASU TOKUO ,  IGUCHI TAKAAKI ,  KOJIMA TOSHIAKI ,  WATARI TAKASHI ,  YUFU HIROSHI

IPC分类号： C01G45/00 ,  C01G53/00 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/05 ,  H01M10/052 ,  H01M4/58 ,  H01M4/02 ,  H01M10/40

CPC分类号： H01M4/505 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/02 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021

摘要： An anode active matter capable of producing a non-aqueous electrolyte secondary battery having a high energy density and being excellent in charge/discharge cycle characteristics, and a non-aqueous electrolyte secondary battery-use anode and non-aqueous electrolyte secondary battery using it. An anode active matter containing a composite oxide represented by a composition formula LiaMn0.5-xNi0.5-yMx+yO2 (0.98≤a