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thermal conductivity

TIM Application Pattern

December 9, 2022 by Nigel

The TIM application pattern is really important as you want complete coverage between the battery cells and the cooling system. What is TIM? This is Thermal Interface Material and is designed to bridge the gap between surfaces and hence enable a better heat transfer. No surface is perfectly flat and hence the TIM is a … Read more

Categories thermal Tags heat transfer, thermal, thermal conductivity, Thermal Management, TIM, voids Leave a comment

Thermal Conduction in a Cell

June 28, 2022 by Nigel
cylindrical cell base versus end cooling

Whatever way we cool a battery cell we will create temperature gradients in the cell. It is not possible to apply cooling to all of the active area of the electrodes, this would be nice, but would significantly reduce the energy density of the overall battery pack. So we have to apply cooling to the … Read more

Categories thermal Tags cell, cylindrical cell, temperature gradient, thermal conductivity Leave a comment

Thermal Conductivity of the Active Layers

June 27, 2022January 14, 2022 by Nigel
thermal conductivity power vs energy cells

Before looking at how to thermally manage a battery pack we need to look at the thermal conductivity of the active layers. If we look at the active layers of a cell the thermal conductivity in the plane of the layers is approximately 10x to 100x that through the planes. This should not be unexpected … Read more

Categories thermal Tags thermal conductivity Leave a comment
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We welcome content from universities, consultancies and companies working in this field. Can you write a definitive article on a particular topic? Nigel

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Things about Solid State Packaging that you are often not told
Things about Solid State Packaging that you are often not told

This is a follow-up to “10 things about SSBs that you are…

Pouch Cell Design and Edge Cooling
Pouch Cell Design and Edge Cooling

Looking at the pouch cell design and edge cooling evolution allows us…

Rivian R1T Battery Pack Benchmarking
Rivian R1T Battery Pack Benchmarking

In this Article you will the details about the Rivian R1T Battery pack and Module Construction, Standard Specification, Key Pack Metrics.

Optimal Busbar Joint Overlap
Optimal Busbar Joint Overlap

What is the optimal busbar joint overlap? It should be noted that…

Electrical Contact Resistance
Electrical Contact Resistance

The Electrical Contact Resistance at a metal to metal contact is primarily…

Benefits of Aluminium Cell Housings for Cylindrical Lithium-ion Batteries
Benefits of Aluminium Cell Housings for Cylindrical Lithium-ion Batteries

A 4680 cell concept The battery industry is targeting larger cell formats,…

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