Core Viewpoint - CATL announced large-scale application of sodium-ion batteries in 2026 across various sectors, indicating a new trend of "sodium-lithium dual stars" in the industry [2] Group 1: Market Dynamics - Leading companies are driving the industrialization and commercialization of sodium-ion batteries, with CATL being the largest player [3] - The penetration rate of electric vehicles in the domestic passenger car market has exceeded 60% in some months, with northern markets and battery swapping being key growth areas [3] - CATL is rapidly expanding its chocolate battery swapping business, with sodium-ion batteries set to debut in chocolate battery swapping vehicles [3] Group 2: Technological Advancements - CATL has early investments in sodium-ion products, setting high performance benchmarks such as 175Wh/kg energy density and maintaining 90% capacity at -40°C [4] - The sodium-ion battery from CATL became the first to pass the new national standard certification for electric vehicle power batteries [4] Group 3: Competitive Landscape - CATL's full-scale entry into the sodium-ion market may compress the survival space for smaller sodium-ion companies, redefining the competitive landscape [5] - Smaller companies face both pressure and opportunities, depending on their ability to find differentiated paths in the market [5] - The overall market is expected to grow, with niche segments like two-wheelers, low-speed electric vehicles, and commercial energy storage becoming potential breakout areas for smaller firms [5]