机构：上半年韩国电池制造商全球市占率下降 宁德时代以37.9%位居第一

Group 1 - The core viewpoint of the article highlights the significant growth in battery usage for electric vehicles, plug-in hybrid vehicles, and hybrid vehicles, totaling 504.4 GWh in the first half of the year, representing a 37.3% increase compared to the same period last year [1] - The market share of South Korean battery manufacturers LG Energy Solution, SK On, and Samsung SDI has decreased to 16.4%, down by 5.4 percentage points from the previous year [1] - Chinese battery manufacturers are continuing to expand their market share, with CATL maintaining its global leadership position, achieving a battery usage of 190.9 GWh and a market share of 37.9% [1]