In {TAIL ~ addition} to manganese oxide and bismuth, the cathode 23, 24 may further comprise from about 10 to {HEAD ~ about 45 weight percent} of an electronically conductive material 
In { TAIL ~ addition } to manganese oxide and bismuth , the cathode 23 , 24 may further comprise from about 10 to { HEAD ~ about 45 weight percent } of an electronically conductive material
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