A method of making a lithium electrochemical cell includes treating the cathode active material with an agent that includes lithium but not sodium. A cathode including the cathode active material, an anode, a separator, and an electrolyte are assembled in a housing to provide a cell containing less than 1500 ppm by weight of sodium.

 
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< Sulfonated block copolymers, method for making same, and various uses for such block copolymers

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> Electroluminescent device including an anthracene derivative

> Method for deacidifying a fluid stream and washing liquid used in such a method

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