Warning: The samples and some reagents used in this test method are toxic or corrosive, and shall be handled carefully in the fuming cupboard! In case of splashing to eyes or skin, flush with water immediately for more than 15 min, or seek treatment immediately. When flammable materials are used, open flame heating is strictly prohibited.
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules as well as marking, labeling, packaging, transportation and storage of cell liquor of lithium hexafluorophosphate.
This standard is applicable to cell liquor of lithium hexafluorophosphate in different solvent systems. The product is used for the production of lithium ion based batteries and lithium ion super capacitors.
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 150.1 Pressure vessels - Part 1: General requirements
GB 150.2 Pressure vessels - Part 2: Materials
GB 150.3 Pressure vessels - Part 3: Design
GB 150.4 Pressure vessels - Part 4: Fabrication, inspection and testing, and acceptance
GB 190-2009 Labels for packages of dangerous goods
GB/T 191-2008 Packaging - Pictorial marking for handling of goods
GB/T 605 -2006 Chemical reagent - General method for the measurement of colour
GB/T 6678 General principles for sampling chemical products
GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 19282-2014 Analytic method for lithium hexafluorophosphate
HG/T 3696.1 Inorganic chemicals for industrical use - Preparations of standard and reagent solutions for chemical analysis - Part 1: Preparations of standard volumetric solutions
HG/T 3696.2 Inorganic chemicals for industrical use - Preparations of standard and reagent solutions for chemical analysis - Part 2: Preparations of standard solutions for impurity
HG/T 3696.3 Inorganic chemicals for industrical use - Preparations of standard and reagent solutions for chemical analysis - Part 3: Preparations of reagent solutions
3 Classification
The cell liquor of lithium hexafluorophosphate can be divided into two categories depending on different use:
——Category I is mainly used for lithium ion based batteries;
——Category II is mainly used for lithium ion super capacitors.