Negative electrode slurry for lithium-ion secondary battery and method for preparing the same
AssigneeLG Energy Solution, Ltd.
InventorsKeiko MATSUBARA, Akira TAKAMUKU
Life of this patent
Estimating the term…
Abstract
A negative electrode slurry for a lithium secondary battery including a gas adsorbent to adsorb hydrogen gas generated in the negative electrode slurry so that the stability of the slurry may be improved, and a method for preparing the same are disclosed. The negative electrode slurry for the lithium secondary battery includes a negative electrode active material including a lithium-doped silicon oxide, a solvent including water, a binder, and a gas adsorbent including single-walled carbon nanotubes, and where the negative electrode slurry has a pH of 10 or more.
Claims10
A negative electrode slurry for a lithium-ion secondary battery, comprising:
- a negative electrode active material comprising a lithium-doped silicon oxide;
- a solvent comprising water;
- a binder;
- and
- a gas adsorbent comprising single-walled carbon nanotubes, and
- wherein the negative electrode slurry has a pH of 10 or more.
A method for preparing a negative electrode slurry for a lithium-ion secondary battery, comprising the steps of:
- mixing a conductive material with a thickener to form a first mixture;
- kneading the first mixture with a solvent comprising water and a gas adsorbent comprising single-walled carbon nanotubes to form a second mixture;
- kneading the second mixture with a negative electrode active material comprising a lithium-doped silicon oxide as to form a third mixture;
- and
- mixing the third mixture with a binder to form the negative electrode slurry for the lithium-ion secondary battery.
Dependencies are inferred from the claim text.