| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium secondary battery having excellent productivity for shortening a time required for aging, and for reducing storage area and labor required for management. SOLUTION: Carboxymethyl cellulose as a binder is added to a positive electrode and/or a negative electrode of a lithium secondary battery, and water- soluble polymer resin such as hydroxyethylmethyl cellulose as an auxiliary agent is added in a range of 0.1 to 5.0 wt.%. A battery added with this water-soluble polymer resin presents an efficiently high initial discharge capacity and a discharge capacity maintenance rate in a relatively early state, thereby reducing an aging time. |
