Participation in Scientific Webinar by CEA

On the 26th of October 2021, CEA Tech Grand West organized a scientific webinar that allowed all the attendees to discover technological innovations and industrial collaborations in progress taken by CEA.

The webinar counted with the participation of numerous speakers, including presentations of CEA Tech and its missions and means technology and the R&D platform at the service of companies. In one of the sessions, Nicolas Hascoët presented the i-HeCoBatt project and its thermal characterization battery pack for automotive application.


4th General Assembly and Review Meeting of i-HeCoBatt celebrated online

The 4th General Assembly of i-HeCoBatt was celebrated on 3rd September 2020 online, due to the COVID19 restrictions. However, it was the right chance to compile all the work carried out by the consortium during the first period and to plan properly all together the next steps. By this mid-term milestone, i-HeCoBatt project already fulfilled some of the most critical milestones, such as the thermal characterization of the current heating and cooling system, the final model and the design of the A-Sample HE prototype and the development of the thermal management diagnostic and safety SW tool. The activities are progressing appropriately and the first relevant results were shared between the partners. The day after, the Review Meeting was celebrated online and the consortium had the chance to share with the European Commission’s project officer the progress done during the first half of the project.


Impact of the cooling system in the i-HeCoBatt Project

Fig 1:Driving profile executed on CEA’s test bench

Electric vehicule are bring into focus to be a green and clean car. New concept of car with more safety, comfort and reliability. The mains challenges on the subject are the price and autonomous. Ihecobatt project keeps focus on these two aspects. These can be upgrade by eco-conception and energy management. The battery pack needs to have a thermal management. The goal of a thermal management system is to deliver a battery pack at an optimum average temperature. CEA works consist in characterizing, understanding and optimizing the new heat exchanger management with CIDETEC. The efficient and eco conception of the hardware part are realized by MIBA with AUDI and CEA support.


Expected progresses of the i-HeCoBatt project

The i-HeCoBatt project has already reached its halfway, closing the first period at the end of June 2020. By that time, the standard cooling solution has been tested in the climatic chamber, modelled through CFD – 1D tools and started to be tested in on-board AUDI vehicles. The core of this activity was to set the reference of the project.  At the same time, the first heat exchanger prototype was designed and optimised through CFD modelling and simulation. The prototype has been manufactured and some mechanical tests were performed to validate the concept, while the sensorised solution is currently being produced and tested.


The scope of the i-HeCoBatt Economic & Environmental Studies

According to the European Environmental Agency, transport is responsible for approximately 30% of the EU’s total CO2 emissions, of which 72% comes from road transportation. Indeed, CO2 emissions from passenger transport represent the highest contribution, accounting for around 61% of the total related to road transport in Europe (European Parliament, 2019a). In this regard, the EU has set a sever goal to reduce 60% of this sort of emissions (from transport) by 2050, compared to 1990 levels (European Parliament, 2019b).


The SW tools used in the i-HeCoBatt project

In the developments that are made today, sharing information between companies and having it accessible from anywhere in the world is a requested requirement. The visualization and the handling of the data facilitate the understanding that, together with the acceleration of the validations of the developed systems, makes these tools indispensable.

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