Positive electrode for use in lithium cell and lithium cell...

Details Positive electrode for use in lithium cell and lithium cell... Positive electrode for use in lithium cell and lithium cell...

2011-04-05

2011-04-05

Cantelmo, Gregg (Department: 1726)

Metal working

Method of mechanical manufacture

Electrical device making

C429S218100, C429S221000, C429S224000, C427S058000, C252S182100

Reexamination Certificate

active

07918904

ABSTRACT:
A positive electrode for use in a lithium battery using water as a dispersion medium, not causing a problem of deteriorating the battery performance due to corrosion of a collector or the like and not forming unevenness on the coating surface, as well as a lithium battery using the positive electrode, the positive electrode used being formed from a positive electrode paste containing a positive electrode active material represented by the following formula (I), a binder ingredient comprising a water dispersible elastomer and a water soluble polymer as a viscosity improver, water as a dispersion medium and a dispersing agent:in-line-formulae description="In-line Formulae" end="lead"?LixMPO4  (I)in-line-formulae description="In-line Formulae" end="tail"?(in the general formula (I) above, M represents a metal atom containing at least one of metal atoms selected from the group consisting of Mn, Fe, Co, Ni, Cu, Mg, Zn, V, Ca, Sr, Ba, Ti, Al, Si, B and Mo, and 0<x<2).

REFERENCES:
patent: 2004/0043291 (2004-03-01), Kim et al.
patent: 2006/0166093 (2006-07-01), Zaghib et al.
patent: 08298135 (1996-11-01), None
patent: 2004079276 (2004-03-01), None
patent: WO 2004045007 (2004-05-01), None
IPDL Machine Translation of JP 2004-079276 (Mar. 2004).
IPDL Machine Translation of JP 2004-079276A (Mar. 2004).

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