智通财经网·2025-11-20 01:47Core Insights - Solid-state batteries are considered the ultimate form of lithium batteries, entering the pre-mass production phase, with major manufacturers expected to start mass production between 2027 and 2028 [1][2] - The global shipment of all-solid-state batteries is projected to reach 181 GWh by 2030 [1] Group 1: Industry Development - Solid-state batteries utilize solid electrolytes, offering advantages such as higher energy density, enhanced safety, and longer cycle life compared to liquid lithium batteries [1] - The solid-state battery production process is divided into three main stages: front-end, mid-end, and back-end, with significant changes in the front and mid-end processes compared to liquid battery production [3] Group 2: Technological Advancements - The solid-state battery technology is exploring various routes for electrolyte, cathode, and anode materials, with sulfide electrolytes showing the most promise despite high material costs and stringent processing conditions [2] - The cathode materials are expected to transition from ternary materials to high-nickel and lithium-rich manganese-based materials, while anode materials are moving from graphite to silicon-carbon composites [2] Group 3: Equipment and Manufacturing - Equipment manufacturers are likely to benefit from the shift to solid-state batteries, particularly those capable of delivering complete production lines and those adapting to process changes [1] - Key equipment changes include the replacement of wet processes with dry processes in the front-end, the introduction of stacking machines in the mid-end, and the need for high-pressure upgrades in back-end processes [3]