Product Introduction

Sodium Hexafluorophosphate (NaPF₆, CAS No. 21324-39-0) is an important fluorinated inorganic salt widely used in sodium-ion batteries, electrochemical energy storage, ionic liquid synthesis, and advanced electrolyte research. As a sodium salt containing the weakly coordinating PF₆⁻ anion, NaPF₆ exhibits favorable ionic properties and is considered one of the key electrolyte salts for next-generation sodium-based energy storage technologies.

Compared with traditional lithium battery systems, sodium-ion batteries offer advantages including abundant sodium resources and potential cost reduction. Sodium Hexafluorophosphate is extensively studied as a sodium-ion conducting electrolyte salt due to its suitable electrochemical characteristics and compatibility with non-aqueous electrolyte systems.

Chemical Characteristics

Sodium Hexafluorophosphate features:

• Weakly coordinating PF₆⁻ anion
• Good ionic conductivity potential
• Suitable electrochemical stability
• Compatibility with organic electrolyte systems
• High fluorine content
• Important sodium-ion source for electrolyte development

The PF₆⁻ anion structure helps reduce strong ion pairing and supports sodium-ion transport in non-aqueous electrolyte systems.

Key Research Applications

1. Sodium-Ion Battery Electrolyte Salt

Sodium Hexafluorophosphate is primarily used as an electrolyte salt for sodium-ion batteries (SIBs).

Typical applications include:

• Sodium-ion battery electrolyte preparation
• Sodium-ion transport studies
• Rechargeable sodium battery research
• Electrochemical cycling evaluation
• Battery performance optimization

NaPF₆ provides Na⁺ ions required for charge transport between cathode and anode during battery operation.

2. Advanced Electrolyte Systems

NaPF₆ is widely investigated in the development of high-performance electrolyte formulations.

Applications include:

• Non-aqueous electrolyte systems
• Organic solvent-based electrolytes
• Electrolyte additive screening
• Ionic conductivity studies
• Electrochemical stability evaluation

3. Next-Generation Energy Storage Materials

Sodium Hexafluorophosphate plays an important role in emerging energy storage technologies.

Applications include:

• Sodium-ion batteries
• Grid-scale energy storage systems
• Low-cost rechargeable batteries
• Sustainable battery technologies

4. Ionic Liquid & Functional Materials

NaPF₆ is also used as a fluorinated salt component in ionic liquid and functional material research.

Applications include:

• Ionic liquid synthesis
• Electrochemical solvents
• Functional electrolyte materials
• Ion-transfer studies

5. Analytical Chemistry & Chemical Synthesis

Beyond battery applications, Sodium Hexafluorophosphate can be used as a fluorinated reagent or ion-pairing agent in chemical research.

Applications include:

• Ion pairing studies
• Coordination chemistry
• Fluorinated compound synthesis
• Chemical analysis research

Advantages

• Key electrolyte salt for sodium-ion batteries
• Provides stable Na⁺ ion source
• PF₆⁻ anion offers weak coordination characteristics
• Suitable for non-aqueous electrolyte systems
• Supports next-generation battery development
• Widely studied in electrochemical research

Storage & Handling

• Store in a tightly sealed container.
• Keep in a dry and cool environment.
• Protect from moisture exposure.
• Avoid prolonged contact with air.
• Handle under appropriate laboratory conditions.

Sodium Hexafluorophosphate is moisture-sensitive and should be protected from humidity during storage and electrolyte preparation.

Research Areas

• Sodium-ion batteries
• Electrochemical energy storage
• Battery electrolyte materials
• Ionic liquids
• Fluorine chemistry
• Advanced inorganic materials
• Electrochemical interface research

What is Sodium Hexafluorophosphate (NaPF₆)?

Sodium Hexafluorophosphate is an inorganic sodium salt commonly used as an electrolyte salt in sodium-ion battery research and electrochemical applications.

What is Sodium Hexafluorophosphate used for?

NaPF₆ is mainly used in:

• Sodium-ion battery electrolytes
• Electrochemical energy storage research
• Ionic liquid preparation
• Fluorinated salt chemistry

Why is NaPF₆ used in sodium-ion batteries?

NaPF₆ provides sodium ions for charge transport and features a PF₆⁻ anion with weak coordination properties, making it suitable for non-aqueous electrolyte systems.

Is Sodium Hexafluorophosphate a battery electrolyte?

Yes. NaPF₆ is an electrolyte salt rather than an electrode material. It is dissolved in suitable solvents to prepare sodium-ion battery electrolytes.

What is the difference between NaPF₆ and LiPF₆?

Can NaPF₆ be used in solid-state batteries?

NaPF₆ is mainly used in liquid and gel electrolyte research, but it can also be investigated in hybrid and solid-state sodium battery systems.

How should Sodium Hexafluorophosphate be stored?

Store it in a sealed container under dry conditions and minimize exposure to moisture.

Is this product intended for research use only?

Yes. This product is supplied for laboratory research, battery material development, electrochemical studies, and industrial R&D applications only.