from chemistry to pack
Isolation Tests on Assembled Cells come in a number of forms, but the intention is to check for: Although very rare, cell internal short circuits are a leading cause of battery thermal runaway. They are a major safety issue for any application of a battery pack. Hence there is a requirement to prevent them and … Read more
Author Dr. Simon Madgwick of Nuvvon Inc. As an overview, this post cannot cover every possibility or explain in depth. Nonetheless these 10 topics give a reasonable overview of solid-state batteries in terms of what is less transparent in the publicity and hype of solid state. To be clear, we need solid state batteries, but … Read more
A look at the numbers around 1 GWh of cells and what could you do with 1 GWh of energy. There are more equivalents for 1 GWh and 1GWh of cells, but hopefully this just helps put the unit into perspective. References Manufacturing Process In order to engineer a battery pack it is important to … Read more
What level of cell matching do you do prior to assembling a battery pack? Assuming the battery pack will be balanced the first time it is charged and in use. Also, assuming the cells are assembled in series. If the cells are very different in State of Charge (SoC) when assembled the Battery Management System … Read more
The energy used to make a battery is an interesting topic as the whole premise is that it is a “green” product. Yuan et al [1] looked at the LMO/Graphite based 24kWh pack in the Nissan Leaf and came to a total energy requirement per kWh of cell capacity of 106kWh/kWh. These energy figures are … Read more