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    RECHARGEABLE BATTERIES HAVING A SPECIFIC ANODE AND PROCESS FOR THE PRODUCTION OF THEM
    63.
    发明专利
    RECHARGEABLE BATTERIES HAVING A SPECIFIC ANODE AND PROCESS FOR THE PRODUCTION OF THEM 未知

    公开(公告)号：CA2154212C

    公开(公告)日：2001-01-16

    申请号：CA2154212

    申请日：1995-07-19

    Applicant: CANON KK

    Inventor： KAWAKAMI SOICHIRO ,  MISHINA SHINYA ,  KOBAYASHI NAOYA ,  ASAO MASAYA

    IPC: H01M4/13 ,  H01M4/139 ,  H01M4/24 ,  H01M4/64 ,  H01M12/08 ,  H01M4/02 ,  H01M10/04

    Abstract: A highly reliable rechargeable battery comprising an anode, a cathode, a separator positioned between said anode and said cathode, and an electrolyte or an electrolyte solution disposed so as to contact with said anode and said cathode, wherein said anode comprises an electrically conductive material, and said electrically conductive material is provided with an insulating or semiconductor film such that at least protrusions present at said electrically conductive material are covered by said insulating or semiconductor film while forming an opening between adjacent protrusions such that said opening is communicated with said electrically conductive material of said anode and said electrically conductive material of said anode contacts with said electrolyte or said electrolyte solution through said opening. The rechargeable battery is of an increased capacity and it provides an increased energy density and has a prolonged charging and discharging cycle life, in which the generation or growth of a dendrite of lithium or zinc is effectively prevented.

    METHOD OF PRODUCING A RECHARGEABLE LITHIUM BATTERY HAVING AN IMPROVED CATHODE
    64.
    发明专利
    METHOD OF PRODUCING A RECHARGEABLE LITHIUM BATTERY HAVING AN IMPROVED CATHODE 未知

    公开(公告)号：CA2296838C

    公开(公告)日：2000-12-19

    申请号：CA2296838

    申请日：1996-09-04

    Applicant: CANON KK

    Inventor： KOBAYASHI NAOYA ,  KAWAKAMI SOICHIRO ,  ASAO MASAYA

    IPC: H01M10/28

    Abstract: A rechargeable lithium battery comprising at least a cathode, a separator, an anode, and an electrolyte or electrolyte solution integrated in a battery housing, characterized in that said cathode is constituted by a specific powdery cathode active material having a large specific surface area and a primary particle size of 0.5 .mu.m or less. The cathode active material is obtained in a manner of mixing a salt of a transition metal in and dissolving said salt in an aqueous solution containing at least a water-soluble polymer material to obtain a product, and baking said product to form said powdery cathode active material as said cathode active material of said cathode, or in another manner of mixing a salt of a transition metal in a monomer capable of forming at least a water-soluble polymer material, polymerizing said monomer to obtain a polymerized product, and baking said polymerized product to form a said powdery cathode active material as said cathode active material of said cathode. A process for the production of said rechargeable lithium battery.

    65.
    发明专利
    未知

    公开(公告)号：DE69608627T2

    公开(公告)日：2000-09-21

    申请号：DE69608627

    申请日：1996-09-05

    Applicant: CANON KK

    Inventor： KAWAKAMI SOICHIRO ,  KOBAYASHI NAOYA ,  ASAO MASAYA

    IPC: H01M10/05 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/40

    Abstract: A rechargeable lithium battery comprising at least an anode, a separator, a cathode, and an electrolyte integrated in a battery housing, characterized in that said electrolyte comprises a salt of an organic fluorine-silicon compound containing at least fluorine, silicon and carbon elements as the constituents.

    67.
    发明专利
    未知

    公开(公告)号：ES2125546T3

    公开(公告)日：1999-03-01

    申请号：ES95116586

    申请日：1995-10-20

    Applicant: CANON KK

    Inventor： KAWAKAMI SOICHIRO ,  MISHINA SHINYA ,  KOBAYASHI NAOYA ,  ASAO MASAYA

    IPC: H01M4/134 ,  H01M4/62 ,  H01M4/66 ,  H01M10/05 ,  H01M4/64

    Abstract: A highly reliable rechargeable battery comprising an anode, a cathode, a separator positioned between said anode and said cathode, and an electrolyte or an electrolyte solution disposed so as to contact with said anode and said cathode, characterized in that said anode is provided with an anode active material-retaining body comprising (a) an electrically conductive material and (b) an insulating or semiconductor material having a property of allowing an ion dedicated for a battery reaction to pass through but not or substantially not allowing an anode active material deposited upon operating charging to pass through, and said anode active material-body having a number of pores distributed therein at a porosity rate of 10% or more.

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