ELECTROLYTE SOLUTION COMPRISING SULFUR DIOXIDE-BASED IONIC LIQUID ELECTROLYTE, AND SODIUM-SULFUR DIOXIDE SECONDARY BATTERY HAVING SAME
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Aug 25, 2015
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Sep 16, 2014
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The described technology relates to an electrolyte solution comprising a sulfur dioxide-based ionic liquid electrolyte, and a sodium-sulfur dioxide (Na—SO2) secondary battery having same, one purpose of the described technology being to enhance the storage characteristics of sulfur dioxide gas in an electrolyte solution. The sodium-sulfur dioxide secondary battery includes a negative electrode which is formed from an inorganic material and which contains sodium. The battery also includes a positive electrode which is formed from a carbon material and a sulfur dioxide-based inorganic electrolyte solution. Here, the electrolyte solution contains a sulfur dioxide-based ionic liquid electrolyte prepared by injecting SO2 gas in an ionic liquid.
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