海亮股份：铜箔必须能够抵抗硫化物电解质的化学腐蚀

Group 1 - The core viewpoint of the article highlights the importance of developing corrosion-resistant copper foil to withstand chemical corrosion from sulfide electrolytes [2] - The company emphasizes the use of surface modification technology to create a protective layer on the copper foil, which effectively prevents direct contact with sulfides while maintaining low interface resistance [2] - The developed nickel-plated copper foil features a super-thin nickel coating on one side, with strong adhesion between the coating and the copper foil [2]