T/CIAPS 0029-2023 Active

Scope: This document specifies the terms, symbols, classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of manganese iron lithium phosphate cathode materials (for lithium-ion batteries). This document applies to manganese iron lithium phosphate cathode materials used in lithium-ion batteries. Main technical content: The main technical content includes the following: 1) Terms, definitions, and symbols; 2) Physical properties (appearance, particle size, specific surface area, bulk density, tapped density, compacted density, and powder conductivity); 3) Chemical properties (Mn/Fe atomic ratio, moisture content (H2O), carbon content, iron content, manganese content, phosphorus content, lithium, sodium, nickel, chromium, zinc content, magnetic substances, pH, and iron-manganese ion dissolution rate); 4) Electrochemical properties (0.1C first charge-discharge efficiency, 0.1C discharge specific capacity, 0.2C discharge specific capacity, 1C discharge specific capacity, and 0.1C average voltage); 5) Packaging, marking, transportation, and storage, and order form content.