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​<2025> Technology Status and Market Outlook of All-Solid-State Battery (~2035)

As issues related to the stability and energy density of LiBs continue to emerge, the development of next-generation batteries aimed at resolving these challenges is gradually expanding, with all-solid-state batteries receiving the most attention due to their advantages in safety and technological maturity.

All-solid-state batteries can be broadly classified into three categories based on the electrolyte material: sulfide-based, oxide-based, and polymer-based. Each material type has distinct advantages, disadvantages, and technical issues. In addition, hybrid systems—such as polymer–oxide composites or solid-state batteries incorporating a small amount of liquid electrolyte—are expected to enter the market, offering improved process compatibility and solutions to existing challenges. This report describes the advantages, disadvantages, and issues of each material type, along with their manufacturing processes, and provides an outlook on major development types by company and market forecasts for each category through 2035.

This report estimates the market by comprehensively considering the level of technological development, OEM requirements, and target mass-production timelines of all-solid-state battery manufacturers. The market was analyzed by battery type, company, and application.

The contents are divided into ten chapters, and the general topics covered in each chapter are outlined in the table of contents below.

In recent years, expectations for the mass production of all-solid-state batteries have been rising. Some companies have already begun small-scale production after overcoming technical challenges, and the types of all-solid-state batteries are becoming increasingly diverse. A new chapter on manufacturing cost and forecast has been added to this edition. This chapter investigates and analyzes the material and processing costs of sulfide-based all-solid-state batteries, which were not covered in the previous edition, and compares them with those of widely used liquid batteries to identify similarities, differences, and their respective impacts on total manufacturing cost. To calculate the processing cost of all-solid-state batteries, newly introduced processes, equipment, and the additional workforce required to operate them were considered, allowing for a direct comparison of the manufacturing costs between liquid and sulfide-based all-solid-state batteries.

As of 2025, the production cost of sulfide-based all-solid-state batteries remains higher than that of liquid batteries. However, based on cost-reduction strategies for key components and projected annual cost savings, the cost of sulfide-based all-solid-state batteries was projected through 2035. Using these manufacturing cost estimates, the market outlook was forecasted according to application areas where the advantages of all-solid-state batteries can be most effectively utilized.