T/UNP 521-2025 Active Group standards

T/UNP 521-2025 Sodium ion battery with hard carbon

Publish Date: 2025-02-26 Implement Date: 2025-02-26 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/UNP 521-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Conductor materials

Publish Date: 2025-02-26

Implement Date: 2025-02-26

Scope

Main technical content: This standard specifies the technical requirements, test methods, inspection rules, and marking, labeling, packaging, transportation, and storage aspects of hard carbon for sodium-ion batteries. The technical requirements cover appearance, trace elements, magnetic substances, physical and chemical indicators, and electrochemical performance. The test methods are based on multiple national and industry standards, and the inspection rules clarify the requirements and determination rules for batching, sampling, factory acceptance, and type testing. This is of great significance for promoting the standardization of hard carbon production for sodium-ion batteries and participating in international trade