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NOVONIX Differential Thermal Analysis (DTA)

NOVONIX Differential Thermal Analysis (DTA)

The NOVONIX DTA system provides information about the evolution of liquid electrolyte including:

  • Composition
  • Amount remaining
  • Salt consumption
  • Solvent reactions

 

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Introducing the NOVONIX Differential Thermal Analysis (DTA)

NOVONIX’s Differential Thermal Analysis (DTA) system enables the reliable measurement of the evolution of liquid electrolyte in lithium-ion cells and other electrochemical cells.

During battery operation, there can be substantial changes to the liquid electrolyte. The NOVONIX DTA system uses an in-situ, non-destructive technique to measure and monitor how the liquid electrolyte evolves over the lifetime of a battery.

 

NOVONIX Differential Thermal Analysis (DTA)



NOVONIX Differential Thermal Analysis (DTA)

Key Features

The NOVONIX DTA system provides information about the evolution of liquid electrolyte including:

  • Composition

  • Amount remaining

  • Salt consumption

  • Solvent reactions

Figure 1 shows the thermal signature obtained from two cells containing 4 grams of electrolyte (red) and two cells containing 7 grams of electrolyte (black) and demonstrates the repeatability of duplicate cells.

 



Key Benefits

Lithium-ion cells degrade due to reactions between the liquid electrolyte and the electrodes. These reactions can cause sudden failure of the cell after seemingly stable performance. The lithium-ion differential thermal analysis (DTA) system is able to quantify these reactions in a non-destructive manner to understand battery failure. It is crucial to monitor how the liquid electrolyte has evolved during the lifetime of a battery.

The approach of using differential thermal analysis to study the evolution of electrolyte in a lithium-ion cell began in Dr. Jeff Dahn’s lab at Dalhousie University [1] and is now patented. The technique involves freezing lithium-ion cells and measuring the temperature of the cell during melting in comparison to the temperature of a reference sample. The resulting thermal signature holds information about the composition and amount of liquid electrolyte remaining in the lithium-ion cell.

The NOVONIX DTA system is controlled automatically with software and can be configured for testing pouch cells and cylindrical cells.


NOVONIX Differential Thermal Analysis (DTA)


Trust the Experts at ACA TMetrix Inc.

ACA TMetrix Inc. is a leading Canadian distributor of test and measurement instruments and design tools. For over 55 years we have provided products manufactured by the world’s leading instrument manufacturers. Leading Distributor of Design Tools and Test Equipment in Canada.

Specifications

NOVONIX offers DTA and cell testing services in our facility, providing access to all NOVONIX high precision chargers, thermal chambers, and lab equipment. Contact us for more details and how we can accelerate your understanding of cell failure.

 

Thermal+signature+from+DTA

 



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Phone: 1-800-665-7301

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About ACA TMetrix Inc.

ACA TMetrix Inc. is a leading supplier of test instruments and design tools in Canada. For over 50 years we have provided services and support for products that are manufactured by the world's leading instrument suppliers.

TMetrix Ltd. is Part of the ACA Group of Companies. Allan Crawford Associates (ACA), is one of Canada's largest distributors of electronic components, test equipment, and scientific solutions.

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