Core Viewpoint - The article highlights the significant decline of Korean battery manufacturers in the global electric vehicle battery market, particularly in comparison to Chinese companies like CATL and BYD, which continue to gain market share and technological advantage [6][10][11]. Group 1: Market Data and Trends - In the first half of 2025, global electric vehicle battery installations reached 504.4 GWh, a year-on-year increase of 37.3% [6][7]. - CATL leads the market with an installation volume of 190.9 GWh, representing a growth rate of 37.9% and a market share of 37.9% [7]. - BYD follows with an installation volume of 89.9 GWh, achieving a growth rate of 58.4% and a market share of 17.8% [7][10]. - Korean manufacturers LG Energy Solution, SK On, and Samsung SDI collectively installed 101.6 GWh, with a combined market share of 20.1%, down 6.1% year-on-year [8][10]. Group 2: Challenges Faced by Korean Manufacturers - LG Energy Solution's market share fell from 12.3% to 9.4%, with a modest growth of only 4.4% in installation volume [13]. - Samsung SDI experienced a decline in market share from 4.7% to 3.2%, being the only company in the top 10 to report negative growth [13][18]. - SK On's market share decreased from 4.8% to 3.9%, with a total installation volume of 19.6 GWh, despite a 10.7% year-on-year growth [13][18]. Group 3: Strategic Adjustments and Future Outlook - Korean companies are undergoing strategic adjustments, such as LG Energy Solution reducing its annual capital investment by 30% and exiting certain markets [20]. - The article notes the importance of technological secrecy in maintaining competitive advantages, particularly regarding lithium iron phosphate technology [21]. - The future competition in the battery market is expected to focus on "technological conversion efficiency, cost control capability, and market response speed" rather than solely on technological barriers [24].