From the investigation of acid absorption, half cell polarization experiment through acceleration and ac impcdance measurement with the elcctrode fabricated by vaiying the PTFE content and sintering temperature, the following conclusions are drawn:

1. The PTFE content that shows maximum performance is shifted from 35 wt% to 45 wt% of PTFE content with increase of acceleration time. In the case of low PTFE content the acid absorption rate is higher than that of high PTFE content and also the absorbed acid quantity is also increased with decreasing PTFE content.

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