Group 1 - The core viewpoint of the article highlights a significant breakthrough in lithium resource separation technology by a Chinese research team, achieving efficient separation of lithium, sodium, and potassium ions from brine solutions [1][3] - A demonstration line for extracting lithium from brine has been established, capable of producing battery-grade lithium carbonate at a scale of 10,000 tons, with a lithium recovery rate exceeding 98% [3] - The new technology is assessed to be at an international leading level, providing crucial technical support for the high-quality development of China's salt lake lithium industry [3]