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Report: Solid-state battery market will grow to $8B by 2031

The solid-state battery market is expected to grow to $8 billion by 2031, according to IDTechEx’s new report “Solid-State and Polymer Batteries 2021-2031: Technology, Forecasts, Players.”

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The rapid growth of the electric vehicle market has driven the development, manufacture and sales of batteries, especially lithium-ion batteries. In the meantime, interests in solid-state batteries have attracted the attention of material providers, battery vendors, component suppliers, automotive OEMs and investors.

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With an increasing number of players working in this field, the solid-state battery market is expected to grow to $8 billion by 2031, according to IDTechEx‘s new report “Solid-State and Polymer Batteries 2021-2031: Technology, Forecasts, Players.”

A game changer

Flammable liquid electrolytes in most commercial li-ion batteries are considered a threat to safety as they can easily shrink under high temperatures, lead to short circuits and then catch fire. Replacing organic liquid electrolytes with solid-state counterparts, solid-state batteries enable safer, long-lasting batteries.

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Better safety means less safety monitoring electronics in the battery modules/packs. Therefore, even the initial generations of solid-state batteries may have similar, or even less energy density than conventional lithium-ion batteries, the energy available in the battery pack can be comparable or even higher than the latter.

With the larger electrochemical window that the solid electrolytes can provide, high voltage cathode materials can be used. In addition, high-energy-density lithium metal anode can further push the energy density beyond 1,000 Wh/L. These features can further make the solid-state battery a game-changer, the report says.

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Solid-state battery leads to landscape change

Lithium-ion battery manufacturing has been dominated by East Asia, with Japan, China and South Korea playing a significant role. U.S. and European countries are competing in the race, shifting the added values away from East Asia and building battery manufacturing close to the application market. New material selection and change of manufacturing procedures show an indication of a reshuffle of the battery supply chain. From both technology and business point of view, the development of solid-state batteries has become part of the next-generation battery strategy. It has become a global game with regional interests and governmental supports. Opportunities will be available with new materials, components, systems, manufacturing methods and know-how, the report states.

Market will be driven mainly by electric vehicle application

The market demand for solid-state batteries mainly comes from electric vehicles. Energy storage systems, consumer electronics such as smartphones, tablets, laptops are also target markets and the latter may come true earlier.

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With most companies’ mass production plans, like Japan ~2025-2030, Europe ~2025-2026, mainland China and Taiwan ~2022-2023, the solid-state battery will likely take off after 2025, although small-scale production may happen even earlier, the report says. The car plug-in market will take the largest share (66%) in 2031, followed by smartphone applications.

The interests are heavily driven by the electric vehicle market and regional convenience is an important consideration for the next stage of commercialization, especially based on the current situation with COVID-19 affecting consumers’ purchasing decisions, lifestyle, and influencing globalization. This will lead to further consolidation and partnerships and it is highly likely that new solid-state battery manufacturing sites are located near the electric vehicle application market. While start-ups far away from the application markets tend to license their technologies, rather than building manufacturing sites locally.

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