Come and visit our experts at the Battery Show Europe! You are curious what we will present? Find out more about our exhibits below!
The state of charge of the lithium-ion battery is usually determined by measuring the voltage. However, this method provides insufficient information for demanding applications. Our approach with cell-integrated sensors enables in-operando monitoring of the current cell parameters, which enables early detection of ageing and safety-critical conditions. On the one hand, the integration of different sensor types provides a cost-effective solution for thermal management. On the other hand, the collected data enables precise measurement of the state of charge (SOC) and state of health (SOH) during the fast charging and discharging phase.
The production of high-strength electrodes is a promising approach to increasing the energy density of Li-ion batteries, as they have a favorable ratio between active and inactive materials. However, modern tape casting processes with relatively high solvent content are limited in terms of layer thickness and drying process, which is associated with undesirable effects such as binder migration. Therefore, advanced processes for electrode production are urgently needed.
Fraunhofer ISIT has developed a dry coating process that works completely without solvents. Drying the coated electrode sludge is an energy-intensive process. It also requires a large amount of space, as long drying distances are necessary for optimum process results. The dry coating process developed by Fraunhofer ISIT makes the use of solvents superfluous. In addition, higher loads are possible that exceed the range of conventional electrodes. This leads to considerable cost savings and is more environmentally friendly.
Two decades of R&D and battery cell development activities have enhanced our ability to respond quickly to customer requests for cell prototypes and small series. In direct connection with your applications, our specialists are experts in precisely matching device and material requirements, formulations, cell design and functionalities to enhance the customer experience for your applications.
Our offering ranges from robust battery cells in high-performance, high-pressure and high-temperature designs to flexible variants in different form factors and intelligent cells for small series. On request, we also offer full support in transferring your customized battery cells to production through our network of qualified partners.
Fraunhofer Institute for Silicon Technology
