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In-depth interpretation of electric bicycle lithium battery GB/T 36972

Author:中認聯(lián)科 time:2025-02-11 Ctr:165

As the e-bike market continues to grow, lithium-ion batteries as core components are facing more stringent quality and safety requirements. The implementation of GB/T 36972-2018 "lithium-ion battery for electric Bicycles" national standard provides a clear technical specification and development direction for manufacturers. This paper analyzes the key impact of this standard from the perspective of production.

The standard for the first time systematically constructs the technical index system of electric bicycle lithium batteries, covering the three dimensions of electrical performance, safety performance and environmental adaptability. In safety testing projects such as overcharge protection and short circuit protection, the battery pack is required to maintain structural integrity under extreme conditions, which puts higher requirements on the development capability of BMS management system of enterprises. Manufacturers need to pay special attention to the new cycle life test (not less than 400 times) and low temperature discharge efficiency (-10℃ capacity retention rate ≥70%), such as hard indicators, these parameters directly affect the market competitiveness of products.

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For production enterprises, the implementation of standards means a window period for technology upgrading. It is suggested to deal with the problem from three aspects: First, establish the quality traceability system of the whole process to ensure that all aspects of raw material procurement, battery assembly and finished product testing meet the standards; Secondly, increase research and development investment, focusing on breaking through thermal management technology and intelligent protection circuit design; Finally, strengthen cooperation with testing institutions to eliminate product compliance risks in advance through the pre-inspection mechanism. It is worth noting that the environmental adaptability clauses such as vibration testing and mechanical impact testing quoted in the standard require enterprises to improve the battery structure design and packaging process, which poses a certain challenge to the production line transformation of small and medium-sized manufacturers.

At present, the industry has entered the stage of standardized development, GB/T 36972 not only delineates the bottom line for product quality, but also provides an opportunity for the head enterprise to build technical barriers. Enterprises that master the details of the standard will gain a first-mover advantage in product certification, channel expansion, brand premium and so on. It is suggested that the manufacturer should incorporate the standard requirements into the internal control system of the enterprise and take the initiative in the market competition through continuous technology iteration. If you have certification requirements, please contact ZRLK!

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