AGM partition plate capable of preventing electrolyte from being layered

Abstract

The invention discloses an AGM partition plate capable of preventing an electrolyte from being layered. The AGM partition plate is prepared from the following raw materials based on percent by weight: 5-10% of polyester fiber, 3-5% of polyethylene oxide, 5-10% of modified bamboo fiber, 10-15% of water-soluble polyvinyl alcohol fiber, 30-35% of high alkali glass fiber with diameter of 0.5-0.7 micrometer with the balance being high alkali glass fiber with diameter of 3-4 micrometers. By the AGM partition plate, a traditional pure glass fiber formula is abandoned, various fibers are creatively adopted and are interwoven in a mixed way to form the AGM partition plate, higher electrolyte absorption quantity, high wettability and high electrolyte maintaining capability are achieved by means of synergistic matching among fibers, the electrolyte is uniform in distribution, high in porosity and uniform in air gap, and has excellent integral performance, the performance of a battery is favorably improved, and the service lifetime of the battery is favorably prolonged.

Description

technical field [0001] The invention relates to an AGM separator, in particular to an AGM separator capable of inhibiting electrolyte stratification. Background technique [0002] Glass microfiber separator (AGM) is one of the key materials of valve-regulated lead-acid batteries. The main functions of AGM separators for valve-regulated lead-acid batteries are: (1) to prevent positive / negative plates from contacting each other and causing internal damage to the battery. short circuit; (2) make the battery tightly assembled and reduce the battery volume; (3) prevent the plate from being deformed, bent and active material from falling off; (4) store a necessary amount of electrolyte in the porous separator between the plates to To ensure high conductivity and the need for battery reaction; (5) to prevent some substances harmful to the battery from migrating and diffusing through the separator. Therefore, the AGM separator is called the third electrode of the valve-regulated le...

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problems that the AGM separators in the prior art have poor wettability to the electrolyte and the electrolyte is easy to stratify, which affects the performance and life of the battery. Good stability and electrolyte retention ability, uniform electrolyte distribution, high porosity, uniform voids, AGM separator with excellent comprehensive performance that can inhibit electrolyte stratification