Mei Ri Jing Ji Xin Wen·2026-01-19 06:35Core Viewpoint - The article highlights the growing interest in solid-state batteries and materials technology, particularly in the context of the New Energy ETF on the ChiNext board, which saw a price increase of over 1% on January 19. Group 1: Solid-State Battery Technology - Solid-state batteries eliminate traditional electrolytes, utilizing polymer/oxide/sulfide systems as solid electrolytes, with sulfide materials showing the most potential for future development [1] - The solid-solid contact interface presents a key challenge, as micro-cracks and deformations may occur under high-pressure stacking and isostatic processes, potentially leading to internal short circuits and reduced lifespan, posing safety risks [1] Group 2: Lithium-Ion Battery Materials - Metal-organic frameworks (MOFs) exhibit significant potential in lithium-ion batteries due to their high specific surface area and porosity, which can enhance lithium-ion adsorption and transport, improving fast-charging performance and safety [1] Group 3: High-Performance Engineering Plastics - Polyether ether ketone (PEEK) is recognized for its lightweight, high strength, high-temperature resistance, and wear resistance, with expected accelerated penetration in humanoid robotics, aerospace, and new energy sectors [1] - The high technical barriers of PEEK production are primarily dominated by foreign companies, but the high added value of these products is driving gradual breakthroughs in domestic alternatives [1] Group 4: New Energy ETF Overview - The New Energy ETF (Guotai, 159387) tracks the Innovation Energy Index (399266), which has a daily price fluctuation limit of 20% [1] - The Innovation Energy Index focuses on the new energy sector and related industrial chains, emphasizing high growth and innovation capabilities, particularly in solar energy, wind energy, electric vehicles, and related services, reflecting technological advancements and market trends in the new energy industry [1]