from chemistry to pack
A question the battery thermal team often face is: What is the Optimum Design of a Cooling Plate for Uniform Cooling? To achieve optimum uniform cooling, a cold plate must be designed to minimize temperature gradients across its surface and prevent localized hotspots. Cell to Cell Temperature Gradient The cell to cell temperature gradient in … Read more
In state-of-the-art indirect liquid cooling systems, temperature variations within a battery electric vehicle (BEV) lithium-ion battery (LIB) module are unavoidable: A cell-to-cell temperature difference of up to 5 K is generally considered acceptable within existing battery thermal management system (BTMS) concepts. However, the operating temperature of LIB cells plays a crucial role in their degradation … Read more
The cell to cell temperature gradient in a battery pack will limit the performance and lifetime. However, there will always be a cell temperature gradient and a cell to cell temperature gradient. It is very difficult not to have if we are rejecting or absorbing heat. The cell to cell temperature differences can be due … Read more
The Tesla Self-Activated Draining System was patented some time ago, but this simple mechanical device is still being used in the latest Cybertruck. A method of managing leakage of liquid inside a battery system comprises: containing leaking liquid in a non-liquid sensitive region of the battery system so as to protect internal electrical components of … Read more