Method for determining dispersibility of electrode material layer

The present invention discloses a method for determining dispersibility, comprising (a) selecting two random points (1-1′) of an electrode material layer, (b) finding a difference Δ1 of an absolute value of two voltage values by measuring voltages between the two points (1-1′) in different current d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kim, Seok Koo, Park, Ji Hye
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention discloses a method for determining dispersibility, comprising (a) selecting two random points (1-1′) of an electrode material layer, (b) finding a difference Δ1 of an absolute value of two voltage values by measuring voltages between the two points (1-1′) in different current directions, (c) selecting two other random points (2-2′ to n-n′, where n is an integer that is equal to or greater than 2) that are different from two points selected in the process (a) and, and repeating the processes (a) and (b) at least once to find Δ2 to Δn, (d) finding a mean value of differences Δ1 to Δn of the absolute values obtained by repeating the process (b) and the process (c), and (e) finding a standard deviation of Δ1 to Δn from the mean value.