Manufacturing method of direct-current alternative sodium hydroxide soft package battery for transformer substation communication

• Main Authors: LYU ZHENZHEN, AN LETIAN, REN QIAOLIN, CHENG SHENGHONG, XIAO JIANJUN, LIU YUEDONG, WANG SHENG, SU JING, HUANG WANYI, CHENG YU, LI SHENG, XU SHUANG, CAI SHITENG, LE WEIDONG, CHEN ZHONGXUE
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention belongs to the field of battery manufacturing, and particularly relates to a manufacturing method of a direct-current alternative sodium hydroxide soft package battery for substation communication, which is characterized by comprising the following steps of: 10, manufacturing a negative electrode, and preparing zinc metal into a sheet shape; step 11, preparing a positive electrode material, ball-milling and mixing a sodium source and a manganese source according to a certain molar ratio, then drying and grinding to obtain powder, then fully calcining to obtain a precursor, and grinding the obtained precursor under the protection of argon to obtain the positive electrode material; 12, manufacturing a positive electrode, mixing a positive electrode material, conductive carbon and a binder in proportion, dissolving the mixture in a solvent to obtain positive electrode slurry, coating aluminum foil with the positive electrode slurry, and performing extrusion, slicing and vacuum drying to form a posi