Natrion Demonstrates Solid-State Feasibility with Lithium EV Battery Cells

Oct 28, 2022 12:58 PM ET
  • Natrion disclosed information on the efficiency of its copyrighted compounds in lithium-metal anode pouch cells.
  • Natrion said that its information may be the initial as well as just known instance of a high cycle life and high C-rate with zero additional stack pressure.

New York-based Natrion, which delves in solid-state electrical vehicle battery technology, has actually exposed information on the performance of its copyrighted compounds in lithium-metal anode pouch cells. Natrion said that the results showed a dramatic milestone in commercial solid-state Li-metal battery feasibility by demonstrating high C-rate capability as well as cycle life without the use of stack pressure.

This data includes in the body of research study around the viability of solid-state batteries (SSBs) for usage in electric vehicles (EVs).

The Technological Breakthrough

Natrion had actually formerly published data revealing its exclusive material, LISIC278, providing premium performance in typical pouch cells using graphite anodes. In this further round of testing, Natrion produced new coin cells and pouch cells using a LISIC278 solid-state electrolyte separator and a lithium-metal anode composed of 5-micrometer-thick lithium-coated copper foil.

They likewise added their newest item, a solid electrolyte interphase (SEI)- creating wetting agent called M3 that stabilizes the Li-metal, subdues dendrites, and helps with cycling at high coulombic performance without the need for external stack pressure on the cell.

These tests showed the fire risk is internet zero. There is 50% greater energy density. It has high cycle life as well as C-rate capability as test found 320 cycles demonstrated at 2C (30 minutes cost time) and 100% depth-of-discharge with 98% retention. The potential array on a solitary charge in an EV is 420 to 450 miles.

Natrion claimed that its data may be the very first as well as just recognized circumstances of a high cycle life as well as high C-rate with zero additional stack pressure.

Natrion stated that having actually accomplished these outcomes without requiring stack pressure on the cell is groundbreaking. Applying stack pressure requires the integration of an external device, so any type of energy density acquired from cell chemistry is virtually removed. Applying pressure to a private battery cell may be possible in testing, however is very tough to engineer right into a battery pack. Natrion discussed that its solution is the first commercial example of a viable solution for EV applications.

Alex Kosyakov, Natrion chief executive officer, said, "The benefit of LISIC over various other electrolyte solutions is that we can still make use of roll-to-roll high-throughput manufacturing processes as well as recognized cell building techniques. This, combined with an absence of requirement for stack pressure to complete high performance, makes us think that we have a real opportunity to be the ones to finally deliver Li-metal cell modern technology to mass market EVs."

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