Core Viewpoint - The Fourth Sodium-Ion Battery Industry Chain and Standard Development Forum aims to promote the industrialization and standardization of sodium-ion batteries, with discussions on standards, technology research, and the current state of the industry scheduled for September 16-18, 2025, in Weihai, Shandong Province [1][4]. Group 1: Forum Details - The forum is co-hosted by the China Electronics Standardization Institute and the Zhongguancun Energy Storage Industry Technology Alliance [4]. - The event is expected to attract around 500 participants, including government officials, industry leaders, and experts from research institutions [4]. - The forum will feature discussions on standards, policy, and product exhibitions, along with the announcement of evaluation results for sodium-ion battery products [2][4]. Group 2: Industry Participation - Over 50 companies have participated or passed evaluations, with nearly 70 product models involved, including notable firms like Zhongke Haina, Huana Xinneng, and others [2]. - The forum will also announce the sixth batch of sodium-ion battery evaluation results, the second batch of sodium-ion battery cycle life evaluations, and the first batch of low-temperature performance evaluations [1][2]. Group 3: Agenda Highlights - The first day includes discussions on lithium-ion battery standards and international safety requirements for sodium-ion batteries [6][8]. - Key topics will cover the opportunities and challenges in the sodium-ion battery industry, as well as advancements in high-energy sodium-ion battery carbon anodes [8][9]. - The second day will focus on application areas for sodium-ion batteries, including energy storage stations and portable devices [9]. Group 4: Background and Industry Context - The forum aligns with national policies aimed at promoting energy production and consumption reforms, particularly in the context of achieving carbon peak and neutrality goals [13][15]. - The sodium-ion battery industry has seen rapid development due to its advantages such as abundant resources, low cost, and high safety, with over 200 companies now involved in the industry chain [15][18].