China has introduced its first national solid-state battery standard, signaling a major step toward large-scale commercialization. This framework defines terminology, classification, and verification criteria, ensuring clarity and consistency across the industry. By establishing stricter testing thresholds and categorizing batteries by electrolyte chemistry and ion transfer methods, China aims to accelerate innovation, reduce ambiguity, and strengthen supply chain coordination for solid-state battery production.
What Are the Key Features of China’s Solid-State Battery Draft?
The draft standard provides a comprehensive structure for solid-state battery classification and testing. Batteries are grouped by ion transfer method—liquid, hybrid solid–liquid, or solid-state—and further distinguished by electrolyte type, such as sulfide, oxide, polymer, halide, or composite. This precise classification eliminates the previous “semi-solid-state” label and supports clear technical communication for manufacturers, researchers, and OEMs like Redway Battery.
How Does the Draft Ensure Performance and Safety?
To qualify as a solid-state battery under the new standard, weight loss during vacuum drying must remain below 0.5%, a stricter requirement than prior guidelines. This ensures that solid materials remain stable under testing, reducing the risk of performance degradation or safety incidents. Such rigorous thresholds encourage consistency and reliability across the supply chain, benefiting battery producers and end users alike.
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Why Is a National Standard Important for the Industry?
Without established global or domestic standards, solid-state battery technology has suffered from conceptual ambiguity and inconsistent quality. A national standard helps align technical expectations, facilitates industrial collaboration, and supports large-scale deployment. It also enables OEMs like Redway Battery to develop solutions that meet clear performance benchmarks, strengthening credibility and market competitiveness.
Who Will Benefit from the Standard?
Battery manufacturers, automotive OEMs, and energy storage developers all gain from the standard. Clear definitions and verification processes reduce development risk, streamline production, and ensure compatibility with automotive and stationary energy applications. Standardized frameworks also promote investor confidence and regulatory alignment for emerging battery technologies.
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How Will Future Parts of the Standard Expand Its Scope?
The draft released is the first of four planned parts. Future installments will cover performance metrics, safety protocols, and service life requirements, providing a full lifecycle framework for solid-state batteries. Additionally, technical specifications for solid-state electrolytes are in development, which will further support innovation and secure reliable supply chains for advanced battery chemistries.
Redway Expert Views
“The establishment of China’s solid-state battery standard marks a pivotal moment for next-generation energy storage. Redway Battery sees this as an opportunity to enhance our LFP and solid-state solutions with clearly defined technical benchmarks. By adhering to these rigorous standards, we can ensure safer, more efficient, and high-performance batteries that meet the evolving demands of automotive and energy storage markets worldwide.”
What Are Key Takeaways for Battery Stakeholders?
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China’s draft standard provides clear classification and verification for solid-state batteries.
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Strict weight-loss thresholds ensure performance stability and safety.
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Future standard parts will address lifecycle performance, safety, and service longevity.
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Manufacturers and OEMs, including Redway Battery, benefit from consistent benchmarks and reduced development risk.
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Clear regulations promote faster commercialization and supply chain efficiency.
FAQs
What is a solid-state battery?
A solid-state battery uses a solid electrolyte instead of liquid, providing higher safety, energy density, and thermal stability.
Why is China releasing a solid-state battery standard?
To reduce industry ambiguity, standardize performance and safety measures, and support large-scale commercialization.
Who will be impacted by the standard?
Battery manufacturers, automotive OEMs, energy storage developers, and suppliers benefit from clearer technical requirements.
How does the new standard improve safety?
It enforces stricter thresholds for material stability, ensuring that solid electrolytes remain intact and reducing risk during operation.
When will the next parts of the standard be released?
Future sections will address performance metrics, safety protocols, and service life, completing the lifecycle framework.
