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DISCUSSION The electrolytic-activation process represents a break-through of major significance in zinc-chlorine battery technology. Its impact on future battery programs may be detailed as follows: 1) Of greatest significance is the fact that it is accomplished on the assembled battery, thereby obviating the capital expense required for and avoiding the handling problems associated with the thermal nitric-acid process. 2) Much shorter processing time is required for electrolytic activation. 3) Process reliability has been demonstrated. The relationship between voltaic performance and the degree of processing (mAh/cm^) should insure the production of maximum performance with minimum deterioration of the porous-graphite base matrix. This should have major impact on maximizing chlorine electrode life. 4) Reactivation, after artificial removal of the more active surface, has been demonstrated. This feature, in conjunction with point 3, also may have implications for electrode life whereby minimum activation would be employed followed by reactivation when and if needed. The scaling-up of the process to the 0.83kWh battery unit level convincingly demonstrates the feasibility of the technique. The ease with which this was accomplished bodes well for future larger scale-ups. Significant insight also has been gained into the nature of these activation processes. This has led to the generation of a conceptual view of the active chlorine electrode which will assist in guiding future chlorine electrode programs. Of greatest significance are the implications this will have on the development of a cost- effective battery electrode. REFERENCES 34-1. E.B. Barnett, and C.L. Wilson. Inorganic Chemistry. 2nd. ed. London: Longman, Greens & Co., 1957, pp. 308-313. 34-2. Development of High-Performance Cost-Effective Zinc Chloride Batteries for Utility Peak-Shaving — 1976. Palo Alto, Calif.: Electric Power Research Institute, 1978. EM-711. 34-17PDF Image | Development of the Zinc-Chlorine Battery for Utility
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