大众最畅销纯电车召回，涉事供应商为韩国电池三巨头之一

Group 1 - The core issue involves Volkswagen recalling a total of 44,551 ID.4 electric vehicles in the U.S. due to potential safety hazards related to high-voltage battery systems [1][2] - The first recall includes 670 units of the 2023-2024 ID.4 models, where manufacturing defects in the battery cell module may lead to fire risks [1][2] - The second recall is larger, affecting 43,881 units of the 2023-2025 ID.4 models lacking "self-discharge detection" software, which may also pose fire risks due to thermal runaway [1][2] Group 2 - Both recalls are linked to SK On, a supplier of high-voltage battery cell modules, with at least five overheating incidents reported in the U.S. from 2024 to 2025 [2] - The term "electrode misalignment" refers to a manufacturing quality issue where the positive and negative electrodes are misaligned, potentially leading to battery swelling [2] - Volkswagen emphasizes that no incidents of fire or injuries have been reported due to these specific defects, framing the recalls as a proactive measure [2] Group 3 - Volkswagen's battery safety issues are not isolated, as Bentley, another brand under the Volkswagen Group, also announced a recall in January 2023 due to potential internal battery faults [3] - Samsung SDI, another major Korean battery supplier, is involved in the Bentley recall, ranking eighth in global battery installations for 2025 [3] - LG Energy Solution, the largest among the Korean battery giants, previously compensated General Motors $1.9 billion for battery module defects leading to recalls [3]