公开(公告)号：DE60128043T2

公开(公告)日：2007-12-27

申请号：DE60128043

申请日：2001-09-27

Applicant: SONY CORP

Inventor： HOSOYA MAMORU ,  TAKAHASHI KIMIO ,  FUKUSHIMA YUZURU

IPC: C01G49/00 ,  H01M4/58 ,  C01B31/02 ,  H01M4/02 ,  H01M4/136 ,  H01M4/36 ,  H01M4/62 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/42

Abstract: A LiFePO4 carbon composite material is to be synthesized in a single phase satisfactorily to achieve superior cell characteristics. In preparing a cathode active material, starting materials for synthesis of a compound represented by the general formula LixFePO4, where 0

公开(公告)号：CA2358250A1

公开(公告)日：2002-04-06

申请号：CA2358250

申请日：2001-10-03

Applicant: SONY CORP

Inventor： KUYAMA JUNJI ,  SAKAI HIDEKI ,  HOSOYA MAMORU ,  FUKUSHIMA YUZURU

IPC: H01M4/02 ,  H01M4/136 ,  H01M4/58 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/36 ,  C01D15/02 ,  H01M4/04

Abstract: A method for producing a cathode active material having superior cell characteristics through single-phase synthesis of a composite material composed of a compound represented by the general formula Li x Fe 1-y M y PO4 and a carbon material positively and a method for producing a non-aqueous electrolyte cell employi ng the so produced cathode active material. To this end, the cathode active material i s prepared by a step of mixing the starting materials for synthesis of the compound represented by the general formula Li x Fe 1-y M y PO4, a step of milling a mixture obtained by the mixing step, a step of compressing the mixture obtained by the mixing step t o a preset density and a step of sintering the mixture obtained by the compressing step . A carbon material is added in any one of the move steps prior to the sintering step. The density of the mixture in the compressing step is set to not less than 1.71 g/cm3 an d not larger than 2.45 g/cm3.

公开(公告)号：CA2358244C

公开(公告)日：2010-08-10

申请号：CA2358244

申请日：2001-10-03

Applicant: SONY CORP

Inventor： SAKAI HIDEKI ,  FUKUSHIMA YUZURU ,  KUYAMA JUNJI ,  HOSOYA MAMORU

IPC: H01M4/36 ,  C01B31/02 ,  H01M4/13 ,  H01M4/58 ,  H01M4/62 ,  H01M6/10 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0566 ,  H01M10/0587

Abstract: A non-aqueous electrolyte cell having high discharge capacity, an improved capacity upkeep ratio and optimum cyclic characteristics. The non-aqueous electrolyte cell has a cell device including a strip-shaped cathode material and a strip-shaped anode material, layered and together via a separator and coiled a plural number of times, a non-aqueous electrolyte solution, and a cell can for accommodating cell device and the non-aqueous electrolyte solution. The cathode employs a cathode active material containing a compound of the olivinic structure represented by the general formula Li x Fe1-y M y PO4, where M is at least one selected from the group consisting of Mn, Cr, Co, Cu, Ni, V, Mo, Ti, Zn, Al, Ga, Mg, B and Nb, with 0.05

公开(公告)号：CA2359314A1

公开(公告)日：2002-04-23

申请号：CA2359314

申请日：2001-10-18

Applicant: SONY CORP

Inventor： SAKAI HIDEKI ,  TAKAHASHI KIMIO ,  FUKUSHIMA YUZURU ,  HOSOYA MAMORU

IPC: H01M10/05 ,  C01G37/00 ,  C01G45/00 ,  C01G49/00 ,  C01G51/00 ,  C01G53/00 ,  H01M4/505 ,  H01M4/525 ,  C01G45/02 ,  C01D15/02 ,  H01M4/04 ,  H01M4/50

Abstract: A method for producing a cathode active material which produces a spinet ty pe lithium manganese oxide expressed by a general formula: Li1+x Mn2-x-y Me y PO4, as the cathode active material, (here, x is expressed by a relation of 0 ~ x

公开(公告)号：CA2358344A1

公开(公告)日：2002-04-06

申请号：CA2358344

申请日：2001-10-04

Applicant: SONY CORP

Inventor： FUKUSHIMA YUZURU ,  KUYAMA JUNJI ,  HOSOYA MAMORU ,  SATO ATSUSHI

IPC: C01B25/45 ,  H01M4/58 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/44 ,  H01M10/36

Abstract: A non-aqueous electrolyte cell in which the allowable range of starting materials for synthesis left in a cathode active material is prescribed in order to realize satisfactory cell characteristics. The non-aqueous electrolyte cell includes a cathode containing a cathode active material, an anode containing an anode active material, and a non-aqueous electrolyte, in which the cathode active material is mainly composed of a compound represented by the general formula LixFePO4, where 0

公开(公告)号：CA2358294A1

公开(公告)日：2002-04-05

申请号：CA2358294

申请日：2001-10-03

Applicant: SONY CORP

Inventor： HOSOYA MAMORU ,  ENDO TAKAHIRO ,  GOTO SHUJI

IPC: H01M10/38 ,  H01M2/02 ,  H01M4/02 ,  H01M4/131 ,  H01M4/133 ,  H01M4/136 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M6/10 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0587 ,  H01M10/44

Abstract: A solid electrolyte cell in which cell characteristics are not deteriorated even on overdischarge to the cell voltage of 0V, such that the shape of the cell encapsulated in the laminate film is maintained. The cell includes a cathode containing a compound represented by the general formula Li x Fe1-y M y PO4 where 0.05 .ltoreq. x .ltoreq.1.2, 0 .ltoreq. y .ltoreq. 0.8, and M is at least one selected from the group consisting of Mn, Cr, Co, Cu, Ni, V, Mo, Ti, Zn, Al, Ga, Mg, B and Nb, an anode and a solid electrolyte. An electrode unit 1 comprised of the cathode and the anode layered together with interposition o f the solid electrolyte is encapsulated with a laminate film 2.

公开(公告)号：MXPA01009972A

公开(公告)日：2003-08-20

申请号：MXPA01009972

申请日：2001-10-03

Applicant: SONY CORP

Inventor： SAKAI HIDEKI ,  FUKUSHIMA YUZURU ,  KUYAMA JUNJI ,  HOSOYA MAMORU

IPC: C01B31/02 ,  H01M4/13 ,  H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  H01M6/10 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0566 ,  H01M10/0587 ,  H01M10/40

公开(公告)号：CA2358259A1

公开(公告)日：2002-04-05

申请号：CA2358259

申请日：2001-10-03

Applicant: SONY CORP

Inventor： TAKAHASHI KIMIO ,  HOSOYA MAMORU ,  MIYAKE MASAMI

IPC: H01M10/05 ,  H01M4/58 ,  H01M6/10 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/0587 ,  H01M4/36

Abstract: A cell which is not deteriorated in cell characteristics and which maintains a cell shape encapsulated in a laminate film even when overdischarged to a cell voltage of 0V. The cell includes a cathode containing a compound having the formula Li x Fe1- y M y PO4, where M is at least one selected from the group consisting of Mn, Cr, Co, Cu, Ni, V, MO, Ti, Zn, Al, Ga, Mg, B and Nb, with 0.05 .ltoreq. x .ltoreq. 1.2 a nd 0 .ltoreq. y .ltoreq. 0.8, an anode and a solid electrolyte. An electrode member 1 comprised of the cathod e, and the anode, layered together with the interposition of a solid electrolyte, i s encapsulated in a laminate film 2.

公开(公告)号：CA2358281C

公开(公告)日：2010-12-21

申请号：CA2358281

申请日：2001-10-03

Applicant: SONY CORP

Inventor： OKAWA TSUYOSHI ,  HOSOYA MAMORU ,  KUYAMA JUNJI ,  FUKUSHIMA YUZURU

IPC: H01M4/00 ,  H01M10/05 ,  C01B31/02 ,  H01M4/133 ,  H01M4/136 ,  H01M4/36 ,  H01M4/58 ,  H01M6/10 ,  H01M10/0525 ,  H01M10/0566 ,  H01M10/0587

Abstract: A cell in which liquid leakage or destruction may be prevented as the apparent energy density per unit volume of the cell is maintained. The cell uses, as a cathode active material, a compound of an olivinic crystal structure having the formula Li x Fe1-y M y PO4, where M is at least one selected from the group of Mn, Cr, Co, Cu, Ni, V, Mo, Ti, Zn, Al, Ga, Mg, B and Nb and 0.05

公开(公告)号：DE60143069D1

公开(公告)日：2010-10-28

申请号：DE60143069

申请日：2001-10-05

Applicant: SONY CORP

Inventor： HOSOYA MAMORU ,  FUKUSHIMA YUZURU ,  SAKAI HIDEKI ,  KUYAMA JUNJI

IPC: H01M4/58 ,  H01M4/02 ,  H01M4/136 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/36