By 2030, global shipments of solid-state batteries are expected to surpass 614.1 gigawatt-hours (GWh), with a market size exceeding 250 billion yuan. The penetration rate of solid-state batteries in the overall lithium battery market is projected to reach around 10%, mainly driven by the adoption of semi-solid-state batteries.
The China Battery Industry Research Institute released the White Paper on the Development of China’s Solid-State Battery Industry (2024), defining batteries with less than 10% liquid electrolyte as semi-solid-state batteries and those completely devoid of liquid electrolyte as full solid-state batteries. As the liquid electrolyte content decreases and the solid electrolyte content rises, batteries are expected to show higher energy density and improved safety performance.
Industrialization Progress
Since 2022, significant strides have been made in the research and industrialization of solid-state batteries, especially in China. Chinese companies have achieved mass production and installation of semi-solid-state batteries, marking the economic industrialization of semi-solid-state batteries in 2023.
In contrast, full solid-state batteries still face technical challenges, including ion conductivity issues, solid-solid interface problems, and limited cycle performance. The industrialization of full solid-state batteries is anticipated to occur around 2030.
Market Forecast and Drivers
Based on current technology assessments and cost reduction paths, global shipments of solid-state batteries are expected to reach 614.1 GWh by 2030, with a market share of approximately 10% in the overall lithium battery industry. The total market size is projected to exceed 250 billion yuan, with semi-solid-state batteries acting as the main driver of growth.
The substantial increase in projected shipments is largely attributed to the remarkable R&D progress and cost reductions achieved by Chinese companies in semi-solid-state battery technology.
Competitive Landscape
Overseas companies, particularly from Japan and the United States, have been early adopters of solid-state battery research, primarily targeting full solid-state batteries. However, their industrialization progress has been relatively slow.
In contrast, Chinese companies have taken a more pragmatic approach by developing semi-solid-state batteries as transitional products, enabling faster industrial development and helping the domestic industry gain a competitive edge in both technology and market adoption.
The combination of industrialized semi-solid-state batteries and ongoing R&D toward full solid-state batteries positions China as a leader in the global solid-state battery landscape, with significant implications for energy storage, electric vehicles, and next-generation lithium-ion applications.
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