Lg energy solution, ltd. (20250096445). METHOD FOR MANUFACTURING SECONDARY BATTERY
METHOD FOR MANUFACTURING SECONDARY BATTERY
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METHOD FOR MANUFACTURING SECONDARY BATTERY
This abstract first appeared for US patent application 20250096445 titled 'METHOD FOR MANUFACTURING SECONDARY BATTERY
Original Abstract Submitted
a method for manufacturing a secondary battery is provided. the method includes accommodating an electrode assembly in a battery case, injecting a first electrolyte composition into the battery case to impregnate the electrode assembly, injecting a second electrolyte composition into the battery case, and curing the second electrolyte composition, wherein an electrode tab is connected to the electrode assembly and protrudes to the outside of the electrode assembly, wherein the first electrolyte composition includes a 1-1st lithium salt containing at least one selected from the group consisting of lithium bis(fluorosulfonyl)imide (lifsi) and lithium bis(trifluoromethanesulfonyl)imide (litfsi), and a first solvent, wherein the second electrolyte composition includes an oligomer and a second solvent and does not include lithium bis(fluorosulfonyl)imide (lifsi) and lithium bis(trifluoromethanesulfonyl)imide (litfsi).