Solid State Battery Market - Global Industry Size, Share, Trends, Opportunities, and Forecast. Segmented By Type (Thin Film, Portable, Bulk), Capacity (Less than 20mAh, Between 20-500mAh, 500mAh & Above), Application (Consumer & Portable Electronics, Electric Vehicle, Energy Harvesting, Wearable & Medical Devices, Others), Region and Competition 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 1152.38 Million
CAGR (2026-2031)	38.17%
Fastest Growing Segment	Consumer & Portable Electronics
Largest Market	North America
Market Size (2031)	USD 8018.23 Million

Market Overview

The Global Solid State Battery Market will grow from USD 1152.38 Million in 2025 to USD 8018.23 Million by 2031 at a 38.17% CAGR. A solid-state battery is an energy storage device that utilizes solid electrodes and a solid electrolyte, replacing the liquid or polymer gel electrolytes found in conventional lithium-ion batteries. The primary drivers supporting the market's growth are the inherent safety improvements, as solid electrolytes are non-flammable and reduce the risk of thermal runaway, and the potential for significantly higher energy density. This increased density allows for lighter battery packs and extended driving ranges for electric vehicles, while the technology also supports faster charging capabilities compared to current liquid-based systems.

However, a significant challenge impeding the market's expansion is the high cost and complexity associated with mass manufacturing, particularly regarding the stability of the electrolyte-electrode interface. According to the 'China Automotive Power Battery Industry Innovation Alliance', in '2024', cumulative power battery installations in China reached '548.4 gigawatt-hours', a figure that demonstrates the immense industrial scale that next-generation solid-state batteries must achieve to become a viable competitive alternative to established liquid-electrolyte technologies.

Key Market Drivers

Strategic R&D investments by major automotive OEMs and battery manufacturers are fundamentally reshaping the market by accelerating the transition of solid-state technology from laboratory concepts to pilot-scale production. Industry leaders are heavily concentrating capital on overcoming complex manufacturing hurdles, such as electrolyte-electrode interface stability, to achieve commercial viability. A prime example of this industrial progress occurred when, according to Nissan Motor Corporation, in April 2024, the company unveiled its construction of an all-solid-state battery pilot line at the Yokohama Plant, aiming to launch electric vehicles equipped with these batteries by fiscal year 2028. This commercial push is further motivated by the pursuit of performance metrics that significantly eclipse traditional lithium-ion capabilities. Illustrating this potential, according to Samsung SDI, in March 2024, the company announced a strategic roadmap to mass-produce all-solid-state batteries featuring an energy density of 900 watt-hours per liter by 2027.

Supportive government policies and decarbonization mandates are acting as a parallel catalyst, providing the essential financial framework to de-risk the high initial costs associated with establishing solid-state battery supply chains. Public sector initiatives are increasingly prioritizing energy security and the localization of next-generation battery manufacturing through direct subsidies and grants, which helps bridge the critical gap between development and mass adoption. For instance, according to The Japan Times, in September 2024, the Japanese government pledged up to 350 billion yen ($2.4 billion) in subsidies to bolster domestic storage battery production, which included certifying a specific plan by Toyota to increase its solid-state battery production capacity by 9 gigawatt-hours. Such incentives ensure that manufacturers can scale operations rapidly to meet the stringent electrification targets set by global economies.

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Key Market Challenges

The high cost and complexity associated with mass manufacturing, particularly regarding the stability of the electrolyte-electrode interface, presents a formidable barrier to the commercialization of the Global Solid State Battery Market. Unlike mature liquid-electrolyte technologies, solid-state batteries require entirely new production equipment and precise assembly environments to ensure consistent performance. This lack of established manufacturing infrastructure prevents companies from achieving the economies of scale necessary to drive down unit costs, making the technology significantly more expensive than incumbent lithium-ion solutions. Consequently, automotive manufacturers face difficulty justifying the transition to solid-state systems for mass-market vehicles, delaying widespread adoption.

The magnitude of this industrial scaling challenge is underscored by the immense volume of the existing battery market that next-generation technologies must eventually rival. According to the 'China Association of Automobile Manufacturers', in '2024', the cumulative production of new energy vehicles reached '12.8 million units'. This figure highlights the massive, optimized industrial capacity of the current liquid-based battery ecosystem. Until solid-state manufacturing processes can stabilize to support similar production throughputs without compromising quality or cost, the technology will likely remain restricted to niche premium applications rather than displacing the established standard.

Key Market Trends

To accelerate market entry, manufacturers are increasingly deploying semi-solid or hybrid batteries—which combine solid electrolytes with a small amount of liquid—as a bridge solution. This transitional trend allows companies to utilize existing lithium-ion manufacturing lines while offering improved safety and energy density before full solid-state batteries are commercially viable at scale. Demonstrating the operational readiness of this technology, according to Electrek, September 2025, in the article 'Solid-state EV batteries on track for 2025, says Mercedes' partner', Mercedes-Benz successfully tested an EQS sedan equipped with Factorial Energy’s semi-solid-state battery, which achieved a driving range of 750 miles on a single charge.

In parallel, a major business trend is the formation of strategic joint ventures between automotive OEMs and battery startups, moving beyond simple supply agreements to deep technical integration. Rather than just acting as customers, major manufacturers are securing long-term access to next-generation technology by directly funding the capital-intensive research and development phase. A prime example of this collaboration occurred when, according to BMW Group, May 2025, in the press release 'BMW Group and Solid Power are testing all-solid-state battery cells in a BMW i7', the automaker began operating a demonstration fleet of BMW i7 vehicles powered by all-solid-state battery cells developed through its partnership with Solid Power.

Segmental Insights

The Consumer and Portable Electronics segment represents the fastest-growing area in the global solid state battery market, driven by the requirement for safer and denser energy storage in compact devices. Manufacturers are prioritizing solid state batteries for wearables and smartphones because they eliminate flammable liquid electrolytes, thereby addressing safety concerns associated with products used near the body. Additionally, these batteries provide superior energy density, enabling longer usage times without increasing device weight. This segment benefits from current manufacturing capabilities, which can produce smaller battery cells more efficiently than the larger units required for electric vehicles.

Regional Insights

North America holds the leading position in the global solid state battery market due to extensive investment in research and development and the presence of key technology developers. The United States Department of Energy actively supports the sector through funding initiatives designed to advance energy storage capabilities. Furthermore, the region benefits from strategic collaborations between major automotive manufacturers and battery producers aiming to commercialize electric vehicles. This combination of strong government support and industrial partnership establishes North America as the dominant region for solid state battery advancements.

Recent Developments

• In September 2024, Toyota Motor Corporation received official certification from Japan’s Ministry of Economy, Trade and Industry for its development and production plans regarding next-generation and all-solid-state batteries. This approval, granted under the government's supply assurance plan for critical materials, allowed the automotive manufacturer to proceed with its roadmap for gradual production starting in 2026. The certification covered research, development, and manufacturing activities aimed at strengthening the domestic battery supply chain. The company intended to increase output capacities over time to meet the growing demand for electrified vehicles, aiming for mass production in the subsequent years.
• In September 2024, Factorial Energy and Mercedes-Benz introduced a new all-solid-state battery named Solstice, which was co-developed to significantly extend the driving range of electric vehicles. The technology was designed to achieve an energy density of 450 watt-hours per kilogram, potentially allowing for a range of up to 600 miles per charge. This breakthrough utilized a dry cathode and a sulfide-based solid electrolyte system intended to improve safety and cooling efficiency compared to traditional liquid-based batteries. The companies announced that they were working toward integrating these advanced cells into the automaker's production vehicles by the end of the decade.
• In July 2024, QuantumScape entered into a significant licensing agreement with PowerCo, the battery subsidiary of the Volkswagen Group, to industrialize solid-state lithium-metal battery technology. This strategic partnership superseded a prior joint venture and granted the manufacturing partner the non-exclusive right to produce up to 40 gigawatt-hours of battery cells annually, with an option to expand capacity to 80 gigawatt-hours. The arrangement included a royalty prepayment of $130 million to the technology developer. The collaboration combined the startup's cutting-edge technology with the automaker's global industrialization capabilities to accelerate the commercial scale-up of these next-generation batteries.
• In March 2024, Samsung SDI unveiled its strategic roadmap for mass-producing all-solid-state batteries by 2027 during the InterBattery exhibition held in Seoul. The company highlighted its technical progress, specifically achieving a volumetric energy density of 900 watt-hours per liter by leveraging proprietary solid electrolyte and anode-less technologies. This announcement followed the successful establishment of a pilot production line at its research center the previous year. The battery manufacturer emphasized that its schedule for commercializing this technology for electric vehicles was well on track, explicitly distinguishing its fully solid-state product from semi-solid alternatives currently in the market.

Key Market Players

• Cymbet Corporation
• Seeo Inc.
• Toyota Motor Corporation
• Sakti3 Inc.
• BrightVolt Inc.
• Excellatron Solid State LLC
• Infinite Power Solutions, Inc.
• Planar Energy Devices Inc.
• Altair Nanotechnologies Inc.
• Solid Power Inc.

By Type	By Region
Thin Film Portable Bulk	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Solid State Battery Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Solid State Battery Market, By Type:

• Thin Film
• Portable
• Bulk

• Solid State Battery Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE