Hydrophilic Salts: The Advantage of LiTFSI in Water-in-Salt Electrolytes
The drive towards safer and more sustainable energy storage has led to intense research into aqueous electrolytes. Within this domain, water-in-salt electrolytes have garnered significant attention, and Lithium Bis(trifluoromethanesulfonyl)imide (LiTFSI) stands out as a key component. Its inherent hydrophilic nature and high solubility in water are central to the success of these advanced electrolyte systems, particularly for aqueous lithium-ion batteries.
LiTFSI, represented by the chemical formula LiC2F6NO4S2, is known for its remarkable solubility in water, reaching concentrations as high as 21 molal. This high concentration is the defining characteristic of water-in-salt electrolytes. By creating an environment where the salt concentration is significantly higher than that of water, these electrolytes can suppress water activity, which is often responsible for the decomposition of battery components. This suppression leads to enhanced stability and a wider electrochemical window for the battery.
The advantage of using LiTFSI in such electrolytes lies in its ability to provide a stable and highly conductive medium for lithium ions. This is critical for achieving high power densities and long cycle life in aqueous lithium-ion batteries, positioning them as a promising alternative to traditional organic electrolyte systems. Manufacturers and researchers looking to develop these next-generation batteries will find LiTFSI to be an indispensable material.
Sourcing high-quality LiTFSI from reliable suppliers, such as NINGBO INNO PHARMCHEM CO.,LTD., is essential for ensuring the performance and safety of water-in-salt electrolytes. For companies aiming to purchase LiTFSI for their innovative battery research or production, understanding its role as a hydrophilic salt is the first step towards developing more robust and sustainable energy storage solutions.
LiTFSI, represented by the chemical formula LiC2F6NO4S2, is known for its remarkable solubility in water, reaching concentrations as high as 21 molal. This high concentration is the defining characteristic of water-in-salt electrolytes. By creating an environment where the salt concentration is significantly higher than that of water, these electrolytes can suppress water activity, which is often responsible for the decomposition of battery components. This suppression leads to enhanced stability and a wider electrochemical window for the battery.
The advantage of using LiTFSI in such electrolytes lies in its ability to provide a stable and highly conductive medium for lithium ions. This is critical for achieving high power densities and long cycle life in aqueous lithium-ion batteries, positioning them as a promising alternative to traditional organic electrolyte systems. Manufacturers and researchers looking to develop these next-generation batteries will find LiTFSI to be an indispensable material.
Sourcing high-quality LiTFSI from reliable suppliers, such as NINGBO INNO PHARMCHEM CO.,LTD., is essential for ensuring the performance and safety of water-in-salt electrolytes. For companies aiming to purchase LiTFSI for their innovative battery research or production, understanding its role as a hydrophilic salt is the first step towards developing more robust and sustainable energy storage solutions.
Perspectives & Insights
Bio Analyst 88
“This high concentration is the defining characteristic of water-in-salt electrolytes.”
Nano Seeker Pro
“By creating an environment where the salt concentration is significantly higher than that of water, these electrolytes can suppress water activity, which is often responsible for the decomposition of battery components.”
Data Reader 7
“This suppression leads to enhanced stability and a wider electrochemical window for the battery.”