Method and apparatus for compensation of double layer charging c

Details Method and apparatus for compensation of double layer charging c Method and apparatus for compensation of double layer charging c

1991-03-01

1993-01-19

Harvey, Jack B.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

324425, 2041531, G01N 2700

Patent

active

051809680

ABSTRACT:
A method and apparatus for compensating for charging current at a working electrode of an electrochemical cell. And a method for measuring faradaic current at the working electrode. Includes measuring the current at the working electrode while a time-varying potential difference is applied between the working electrode and a reference electrode. And while the applied potential difference is held constant for a short time and the working electrode current is again measured, where this current is the faradaic current. The faradaic current is then filtered from the total current to determine the charging current thereby compensating for double layer charging current in the cell.

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patent: 5064516 (1991-11-01), Rupich

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