GB/T 45330-2025: Cathode materials for lithium ion batteries - Determination of water content - Carl fisher coulomb method

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Scope

This document describes the Karl Fischer Coulometry method for the determination of
water content in cathode materials for lithium-ion batteries.
This document is applicable to the determination of water content in positive electrode
materials such as lithium cobalt oxide (LCO), lithium nickel cobalt manganese oxide
(NCM), lithium nickel cobalt aluminum oxide (NCA), lithium manganese oxide (LMO),
lithium iron phosphate (LFP), and lithium ferromanganese phosphate (LMFP). The
determination range is 0.0005%~0.5000%.

Basic Data

Standard ID	GB/T 45330-2025 (GB/T45330-2025)
Description (Translated English)	Cathode materials for lithium ion batteries - Determination of water content - Carl fisher coulomb method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H16
Classification of International Standard	77.160
Word Count Estimation	10,144
Date of Issue	2025-02-28
Date of Implementation	2025-09-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration