Docket #: S22-521
Electrochemical Conversion of Lithium Precursors to Lithium Products
Stanford researchers in the Cargnello Lab have developed a new energy efficient method of converting lithium precursors, such as lithium chloride or lithium sulfate, to battery-ready lithium products, such as lithium hydroxide or lithium carbonate. The proposed flow through method improves upon current state-of-the-art lithium conversion techniques by eliminating energy-intensive solubility-based crystallization approaches commonly employed today. This process will reduce the cost, carbon footprint, and energy requirement of lithium precursor production for batteries.
Figure:
Image credit: Inventors
Stage of Development
Applications
- Battery recycling applications
- Water purification method in areas with high lithium contamination (e.g. battery plant waste streams, water bodies near battery plants, etc.)
- Conversion of lithium chloride to lithium carbonate or lithium hydroxide form
Advantages
- Cheaper conversion of lithium chloride to lithium hydroxide with fewer reagents and less energy required.
- Sustainable, fully electrified lithium conversion process.
- Improves upon current techniques which are inefficient and low yield
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