ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY INCLUDING SAME
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United States of America Patent
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Jul 25, 2014
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Jan 31, 2012
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Abstract
An anode active material for a secondary battery includes an amount of a first element group in a range of about 0 at % (atomic percent) to about 30 at %, an amount of a second element group in a range of about 0 at % to about 20 at %, a balance of silicon and other unavoidable impurities. The first element group may include copper (Cu), iron (Fe), or a mixture thereof, and the second element group may include titanium (Ti), nickel (Ni), manganese (Mn), aluminum (Al), chromium (Cr), cobalt (Co), zinc (Zn), boron (B), beryllium (Be), molybdenum (Mo), tantalum (Ta), sodium (Na), strontium (Sr), phosphorous (P) or mixtures thereof.
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