Solvent for electrolyte solution used in lithium ion battery
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of the solvent for electrolyte solution used in lithium ion battery.
This standard is applicable to the liquid organic solvent used for production of electrolyte solution used in lithium ion battery, and such solvent is mainly used to dissolve lithium salts.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 3143 Color determination method of liquid chemicals
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods
GB/T 9722 Chemical reagent - General rules for the gas chromatography
GB 13690 General rule for classification and hazard communication of chemicals
GB 15258 General rules for preparation of precautionary label for chemicals
3 Requirements
The technical indexes of solvent for electrolyte solution used in lithium ion battery shall meet the requirements of Table 1.
4 Test methods
4.1 General
4.1.1 Unless otherwise specified, the reagents used in this standard shall be analytically pure reagents.
4.1.2 Unless otherwise specified, the water adopted in this standard shall be of or superior to Class III specified in GB/T 6682-2008.
4.1.3 Test environment
If there are no special requirements, the test environment shall meet the following conditions:
a) temperature: (18~30)℃; and
b) relative humidity: ≤70%RH.
4.2 Chromaticity determination
Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation and storage
Annex A (Normative) Determination of sulfate ion (SO42-) content
Annex B (Normative) Inductively coupled plasma atomic emission spectrometry for determination of K, Na, Fe, Ca, Pb, Cu, Zn, Ni and Cr