Electrolyte Additives for LiB and SiB

Advanced additives for enhanced battery stability and performance.
Improve safety, longevity, and efficiency in lithium- and sodium-ion energy systems.

High-Performance Additives for Electrolyte Optimization in LiB and SiB Systems

NAGASE’s electrolyte additives are designed to enhance the overall performance and safety of lithium-ion (LiB) and sodium-ion (SiB) batteries. These additives improve critical properties such as thermal stability, SEI formation, gas suppression, and high-voltage tolerance – all essential for modern high-efficiency energy storage systems.

Our portfolio covers a wide range of functional additives tailored for cell development, scaling, and long-term reliability. Whether you’re optimizing charge-discharge behavior or stabilizing high-voltage chemistries, NAGASE offers additive solutions that deliver results.

We also provide custom synthesis services for electrolyte additives, enabling tailored molecular designs to meet unique system requirements.

NAGASE supplies advanced electrolyte additives globally, supporting battery producers with full technical assistance and reliable logistics.

Applications

NAGASE electrolyte additives are suitable for various lithium- and sodium-ion battery applications.

  • Lithium-ion batteries (LiB) for electric vehicles and energy storage systems
  • Sodium-ion batteries (SiB) as next-generation storage alternatives
  • Formulation of high-voltage electrolyte systems
  • SEI/CEI layer stabilization for longer cycle life
  • Custom additive design for advanced battery R&D

Features

Our electrolyte additives support improved cycle life, safety, and voltage stability across lithium- and sodium-based systems.

  • SEI/CEI enhancement – Promotes stable interface formation for long-term durability
  • Gas suppression – Reduces gas evolution and pressure build-up in cells
  • High-voltage compatibility – Suitable for systems operating at ≥4.5V
  • Thermal stabilization – Supports safer operation under high-load conditions
  • Custom synthesis option – Tailored solutions for R&D and production-scale needs

Our Services

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Icon of a laboratory flask representing custom synthesis of electrolyte additives for battery applications.
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Advantage

  • Improve electrolyte stability
  • Increase charge / discharge capacity
  • Improve life cycle of battery
# Product Name Acronym CAS No.
LiB
1Lithium bis(fluorosulfonyl)imide solutionLiFSI171611-11-3
2Lithium di(fluorosulfonyl)imideLiFSI171611-11-3
3Lithium difluoro(oxalato)borateLiODFB409071-16-5
4Lithium tetrafluoroborateLiBF414283-07-9
5Lithium triflateLiTF33454-82-9
6Lithium bis(oxalato)borateLiBOB244761-29-3
7Lithium difluorobis(oxalato)phosphate solutionLiODDFP678966-16-0
8TetravinylsilaneTVSI1112-55-6
91,3,6-HexanetricarbonitrileHTCN3386-87-6
10Ethylene Glycol Bis(propionitrile) EtherDPN3386-87-6
SiB
11Sodium hexafluorophosphateNaPF621324-39-0
12Sodium bis(fluorosulfonyl)imideNaFSI100669-96-3
13Phosphorodifluoridicacid sodiumsaltNaPO2F215587-24-3
14Sodium difluorooxalate borateNaODFB2102517-30-4
15Sodium difluorodioxalate phosphateNaDODFP1085277-57-1
16Sodium tetrafluoroborateNaBF413755-29-8
17Sodium tetrafluorooxalate phosphateNaOTFP1085277-61-7
18Sodium fluorosulfateNaSO3F14483-63-7
19Sodium dioxalate borateNaBOB83145-77-1

Frequently Asked Questions about Electrolyte Additives for LiB and SiB

What are electrolyte additives used for in batteries?
They are used to improve battery performance and safety by stabilizing interfaces, suppressing gas generation, and supporting high-voltage operations.

Which battery types are compatible with NAGASE additives?
Our additives are compatible with both lithium-ion (LiB) and sodium-ion (SiB) battery chemistries.

Can electrolyte additives help with SEI/CEI stability?
Yes, additives support the formation of stable interphases, which are crucial for longer battery life and higher performance.

Does NAGASE offer custom electrolyte additive synthesis?
Absolutely. We offer custom molecular design and synthesis services tailored to specific technical needs.

Are your electrolyte additives available globally?
Yes, NAGASE provides global supply and technical support for our full range of electrolyte additive solutions.

Could not find what you were looking for?

Please get in touch. We strive to meet your needs.

Mobility

Tobias Back
Sales Manager