Background
With the rapid growth of China's new energy market in recent years, the battery industry has also experienced rapid development; however, battery safety incidents continue to occur.
In this context, the Standardization Administration of China officially released GB38031-2025, "Safety Requirements for Power Storage Batteries for Electric Vehicles," to promote continuous innovation in battery technology. As a specialist in reliability simulation environmental testing equipment, BOTO's battery explosion-proof temp test chamber and safety testing solutions are helping upstream and downstream companies in the new energy industry chain quickly meet the requirements of the new national standard, jointly promoting industry safety upgrades.
Standard Upgrade
Compared to the 2020 version of GB 38031-2020, GB38031-2025 has stricter requirements across multiple dimensions and introduces several unprecedented safety regulations:
~ The battery must sound an alarm within 5 minutes of thermal runaway and must not catch fire or explode within 2 hours; the temperature at all monitoring points must be ≤ 60°C; and smoke must not enter the passenger compartment;
~ A new bottom impact test has been added: After a 30mm diameter steel ball strikes the bottom of the battery with an energy of 150J, there must be no leakage, no casing cracking, no fire or explosion, and the insulation resistance requirements must be met;
~ A new post-fast charge cycle safety test has been added: After 300 fast charge cycles (SOC range 20%-80%, single charge ≤ 15 minutes), the battery must undergo an external short-circuit test and still not catch fire or explode;
~ A new internal heater triggering method has been added to simulate an internal short circuit in the battery; and the needle penetration speed range has been adjusted (0.1-1mm/s) to more closely reflect actual failure modes. The requirements in the new standard far exceed the relevant standards in Europe and the United States, which have not yet put forward such high battery performance requirements.
BOTO Battery Explosion-Proof Temperature Test Chambers Drive Development
The implementation of the new national standard presents both a significant challenge and a tremendous opportunity for us, as manufacturers of environmental testing equipment. The new standard places higher demands on testing rigor, complexity, and comprehensiveness, necessitating comprehensive upgrades to meet market demand.
BOTO GROUP, with years of experience in reliability testing equipment, has launched battery explosion-proof temp test chamber and related safety testing solutions, helping domestic and international customers adapt to the increasingly stringent testing requirements of the battery industry.
Product Introduction
Battery Explosion-proof Temp Test Chamber:
1. Temperature Range: (-70°C/-40°C/-20°C/0°C) ~ +180°C;
2. Temperature Fluctuation: ≤ ±0.5°C;
3. Temperature Deviation: ≤ ±2.0°C;
4. Temperature Uniformity: ≤ 2°C;
5. Temperature Resolution: 0.01°C;
6. Humidity Range: 20%~98%RH;
7. Humidity Fluctuation: ±1-3%RH;
8. Humidity Deviation: +2/-3%RH (Humidity > 75%RH), ±5.0%RH (Humidity ≤ 75%RH);
9. Heating Rate: ≥3°C/min [(-70°C/-40°C/-20°C/0°C) to +150°C, averaged over the entire range, measured with no load];
10. Cooling Rate: ≥1°C/min [150°C to (-70°C/-40°C/-20°C/0°C) Average over the entire process, measured without load].
BOTO GROUP's independently developed battery temperature explosion-proof test chamber, constructed from specialized high-temperature and corrosion-resistant materials, achieves precise temperature control over a wide range of -70°C to +180°C, fully meeting the safety testing requirements of various power batteries in extreme environments. Equipped with a high-strength explosion-proof observation window and an intelligent safety monitoring system, the equipment ensures visibility of the test process and traceability of data while providing operators with multiple layers of protection. It is a reliable choice for companies seeking to efficiently meet the requirements of the new national standard GB38031-2025.
The official implementation of GB38031-2025, "Safety Requirements for Power Batteries for Electric Vehicles," marks a new phase in safety standards for China's new energy industry. For battery companies, compliance with the new national standard is not only a prerequisite for market entry but also a significant strategic opportunity to enhance product safety competitiveness and expand into high-end markets.
As a leading provider of environmental testing solutions, BOTO GROUP consistently focuses on the research and development and manufacturing of high-precision and highly reliable test equipment. We are committed to providing global new energy customers with comprehensive testing solutions that meet the requirements of the new national standard, helping companies navigate the evolving standards and jointly promoting the safe and sustainable development of the new energy industry.