China’s dedication to innovative energy solutions continues to make strides. The nation has established its first grid-scale sodium battery standard, GB/T 44265-2024. This move signals a significant step forward in creating alternative technologies for power storage. On April 1, Highstar Sodium Battery (Guangdong) Co., Ltd., a subsidiary of Jiangsu Highstar Battery Manufacturing Co., Ltd., became the first company to receive certification under this new standard.
Focus on GB/T 44265-2024 Standard
The GB/T 44265-2024 is China’s first national guideline exclusively tailored for sodium-ion batteries used in power storage. With stringent performance requirements, the certification ensures energy efficiency benchmarks of at least ≥83% at 5°C and operational thermal stability up to 70°C. This standard also highlights an extended product lifespan, making sodium-ion technology a robust and scalable solution.
Under these requirements, Highstar’s Sodium-ion Battery technology excelled in safety, reliability, and efficiency. The certification confirms that their product meets the high-performance criteria necessary for grid-scale applications, paving the way for commercial deployment.
Highstar’s Technological Strength
Highstar’s Sodium-ion Battery technology introduces a range of industry-leading features. Utilizing a polyanion cathode structure (NFPP), their batteries prioritize performance and sustainability.
Key benefits include:
- Safety: Using non-flammable electrolytes and stable cell designs, Highstar batteries excel under extreme safety tests. They pass nailing tests without fire, smoke, or explosions.
- Adaptability: Operating in challenging environments is effortless, with a temperature range stretching from -40°C to 85°C. Their batteries also handle high-power charging effectively.
- Sustainability: Sodium-ion production is cost-efficient due to the abundant availability of sodium resources. The technology minimizes pollution and supports eco-friendly manufacturing practices.
- Longevity: These batteries offer over 10,000 cycles with an 80% Depth of Discharge (DOD), ensuring long-term reliability.
Strategic Importance of Sodium-Ion Technology
This certification aligns closely with China’s 2025 New Energy Storage Manufacturing Development Plan. Sodium-ion technology is set to complement Lithium-ion batteries, offering a sustainable and cost-effective alternative. This advancement plays a pivotal role in achieving China’s carbon neutrality objectives. Sodium-ion batteries have demonstrated application versatility, including grid-scale energy storage, telecom backup systems, commercial & industrial (C&I) uses, and low-speed Electric Vehicles.
These features establish sodium-ion batteries as an enabler of scalable and resource-efficient energy storage, supporting decarbonization efforts.
Global Recognition of Highstar’s Leadership
Highstar has not limited its impact to the Chinese market. It became the first global manufacturer to earn the IEC 62619 certification for sodium-ion batteries in 2024, issued by TÜV SÜD. Furthermore, its product lines are already UL-certified, reinforcing compliance with international standards.
Today, Highstar’s sodium-ion cells are utilized by global tier-one clients for critical energy applications. Industries ranging from residential energy storage systems (ESS) to automotive batteries have deployed Highstar’s solutions, emphasizing their growing reputation as a leader in sustainable energy innovation.
China’s development of its first sodium battery standard and Highstar’s certification firmly place the country at the forefront of energy transition technologies. With a promising future backed by technical excellence and regulatory compliance, sodium-ion batteries could redefine global energy solutions.
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