NICKEL POSITIVE ELECTRODE FOR ALKALINE STORAGE BATTERY

NICKEL POSITIVE ELECTRODE FOR ALKALINE STORAGE BATTERY

PROBLEM TO BE SOLVED: To provide a paste electrode which has no irreversible loss of storage capacity. SOLUTION: This paste nickel electrode includes a can bon-based conductor, a current collector, and a nickel hydroxide based active material in powder form, and the conductor withstands electrochemi...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: AUDRY CLAUDETTE, BERNARD PATRICK
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a paste electrode which has no irreversible loss of storage capacity. SOLUTION: This paste nickel electrode includes a can bon-based conductor, a current collector, and a nickel hydroxide based active material in powder form, and the conductor withstands electrochemical oxidation and is made from carbon particles corresponding to the formulae: W>0.025 (unit 10 g/m) and W=TC002/S×G. In the formulae. TC002 is a microcrystal size (unit nm) in (002) direction in an X-ray diffraction chart, S is the surface area of the particles (unit m /g), and G is the graphitization coefficient of the carbon defined by the formula: G=(d002-0.3354)/(0.3450-0.3354) (d002 is a lattice constant (unit nm) in the 002 direction).