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US 2024/0405280 A1Published application
Rechargeable lithium battery
AssigneeSamsung SDI Co., Ltd.
InventorsHongryeol PARK, Hyunbong CHOI, Injun PARK, Sangwoo PARK, Sohee KIM, Yeji YANG, Sanghoon KIM
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Abstract
A rechargeable lithium battery including a positive electrode including a cobalt-free positive electrode active material with a layered structure, a negative electrode, and an electrolyte is provided.
Claims20
A rechargeable lithium battery comprising:
- a positive electrode comprising a cobalt-free positive electrode active material having a layered structure;
- a negative electrode;
- and
- an electrolyte comprising an additive represented by Chemical Formula 1:
- in Chemical Formula 1,
- X is O or S;
- R1 and R2 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C10 alkyl group, or are linked to each other to form a C3 to C10 aliphatic ring;
- and
- n is an integer from 0 to 3.
6 more elements
An electrolyte, the electrolyte comprising:
- a non-aqueous organic solvent;
- a lithium salt;
- and
- an additive represented by Chemical Formula 1:
- in Chemical Formula 1,
- X is O or S;
- R1 and R2 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C10 alkyl group, or are linked to each other to form a C3 to C10 aliphatic ring;
- and
- n is an integer from 0 to 3.
6 more elements
A method of manufacturing a rechargeable lithium battery, the method comprising:
- preparing an electrolyte comprising a non-aqueous organic solvent, a lithium salt, and an additive represented by Chemical Formula 1:
- in Chemical Formula 1, X is O or S, R1 and R2 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C10 alkyl group, or are linked to each other to form a C3 to C10 aliphatic ring, and n is an integer from 0 to 3;
- preparing a positive electrode;
- preparing a negative electrode;
- preparing an electrode assembly comprising the positive electrode, the negative electrode, and a separator;
- and
- injecting the electrolyte into the electrode assembly.
4 more elements
Dependencies are inferred from the claim text.