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  Global Journal of Physical Chemistry. Volume 2, Issue 4 (2011) pp. 338-345
  Research Article
 
The effect of bismuth oxide on the electrochemical performance of nickel hydroxide and manganese oxide electrodes
  Thimmasandra Narayan Ramesh*  
     
Department of Chemistry, University Science College, Tumkur University, Tumkur 572 102, India
   
  Abstract  
  Nickel hydroxide and manganese dioxide are most widely positive electrode materials in alkaline cells. Addition of bismuth oxide to manganese oxide during electrode fabrication results in the utilization of reversible 2e exchange. In this article we have examined the role of bismuth oxide as an additive in different type of structurally disordered as well as highly ordered ß-phase of nickel hydroxide electrodes. Chemically co-precipitated bismuth doped nickel hydroxide composites have also been prepared and their electrochemical property have been reported.
     
  Keywords  
  Nickel hydroxide; Manganese dioxide? Bismuth oxide; Structural disorder; Electrochemical activity  
     
   
   
   
   
     

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