CPC H01M 10/0567 (2013.01) [C08F 283/045 (2013.01); H01M 10/0525 (2013.01); H01M 10/0565 (2013.01); H01M 10/0568 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0085 (2013.01)] | 15 Claims |
1. An electrolyte for a lithium secondary battery, comprising:
a lithium salt having a concentration of 1.6 M to 5 M;
an oligomer mixture which includes a first oligomer containing a unit represented by Formula 1 and a second oligomer containing a unit represented by Formula 2; and
an organic solvent:
wherein, in Formula 1,
Ra, Rb, Rc, and Rd are each independently fluorine or an alkyl group having 1 to 3 carbon atoms which is unsubstituted or substituted with fluorine, and
p is an integer of 1 to 50,
wherein, in Formula 2, Rg, Rh, Ri, and Rj are each independently hydrogen, or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, and
s is an integer of 1 to 50.
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