APPLICATIONS OF TECHNOLOGY: Lithium-ion rechargeable batteries BENEFITS: Enhanced low temperature performance without adverse effects. TECHNOLOGY OVERVIEW: Researchers at Berkeley Lab have developed novel electrolyte additives for lithium-ion batteries for improved low temperature performance. The commercially available additives to the … [Read more...] about Electrolyte Additives for Enhanced Performance of Lithium-ion Batteries at Low Temperature 2022-068
Energy Technologies
Ionic Separators for Fast-Charging Lithium-Ion Batteries 2022-004
APPLICATIONS OF TECHNOLOGY: Lithium-ion batteries and other electrochemical systems that use separators BENEFITS: Low processing cost and better performance over commercial separators BACKGROUND: The most expensive component by weight in a lithium-ion battery is the porous polymer separator, and 90% of its cost comes from the pore-forming … [Read more...] about Ionic Separators for Fast-Charging Lithium-Ion Batteries 2022-004
Novel Flow-Assisted Battery for Long Duration Energy Storage 2022-038
APPLICATIONS OF TECHNOLOGY: Grid-scale energy storage and backup storage Industrial, commercial, residential energy storage BENEFITS: Offers a factor of 3 increase in energy density compared with existing Ni-Zn flow-battery systems as it removes the need for separators Provides simplified manufacturing due to re-designed thick electrodes with none of the … [Read more...] about Novel Flow-Assisted Battery for Long Duration Energy Storage 2022-038
Dry Polymer Electrolytes with High Elastic Modulus IB-2200
APPLICATIONS OF TECHNOLOGY: Li-ion batteries Solid state batteries BENEFITS: High ionic conductivity with the structural properties required for Li electrode stability Non-flammable electrolyte Theoretical energy density of 300 Wh/kg No dead weight and no reduction in potential as Li is depleted BACKGROUND: The mechanical properties of polymer … [Read more...] about Dry Polymer Electrolytes with High Elastic Modulus IB-2200
Introduction of Particles to Electrolytes to Improve Low Temperature Performance 2022-027
APPLICATIONS OF TECHNOLOGY: Li-ion batteries (e.g., in vehicles) BENEFITS: Charge transfer resistance at low temperature is reduced significantly Additive can be used with the standard electrolyte at room temperature Electrolyte maintains all of its stability and is able to perform better at low temperatures BACKGROUND: Battery performance at … [Read more...] about Introduction of Particles to Electrolytes to Improve Low Temperature Performance 2022-027