Decomposition Kinetics of AgO Cathode Material by Thermogravimetry

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Abstract
The decomposition kinetics of the thermodynamically unstable component of silver oxide cathodes used in primary silver oxide/zinc batteries was determined by a rapid, accelerated‐aging thermogravimetry (TG) technique. The activation energy for the decomposition of pure, chemically prepared is in excellent agreement with other reported values obtained by conventional, lengthy experimental techniques. Electrochemically prepared silver oxide cathode material used in high rate batteries is generally much less stable than chemically prepared material used for low rate applications. The calculated decomposition rates of in various silver oxide samples can be used to predict the storage life‐time of primary, reserve silver oxide/zinc batteries.

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