Table 1. Energy Values of Various P.eactants 



(e = electrical output, t = thermal output, 

 NEA = no experimental values available.) 



Source 



Energy Produced 

 (W-hr/lb) 



Theoretical 



Actual 



Batteries 







Proposed magnesium seawater 

 reaction, Mg + H-O(Fe) 



1,850 



l,800 t 

 400 e 



Magnesium-silver chloride 

 (torpedo battery) 



90 



70 e 



Lead-acid (secondary storage battery) 



74 



15 e 



Silver oxide-zinc (silver cell) 



201 



50 e 



Manganese dioxide-zinc (dry cell) 



130 



25 e 



Nickel-cadmium 



96 



15 e 



Mercury oxide-zinc (mercury cell) 



104 



40 e 



Zinc-air (air batteries) 



400 



80 e 



Sodium-oxygen (battery) 



1,010 



250 e 



Magnesium bromide (experimental 

 organic cathode) 



250 



60 e 



Sodium sulfur (experimental) 



350 



150 e 



Lithium chloride (experimental 

 high-temperature-fused chloride) 



1,000 



2!>J e 



Lithium fluoride (experimental) 



750 



100 e 



continued 



50 



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