i-HeCoBatt stands for Intelligent Heating and Cooling solution for enhaced range EV Baterry packs, and answers to the “Integrated, brand-independent architectures, components and systems for next generation electrified vehicles optimised for the infrastructure request” topic of the European Commision Horizon 2020 programme.


The aim of i-HeCoBatt is to achieve a smart, cost bursting industrial battery heat exchanger to minimize the impact on full electric vehicle range in extreme conditions. Smart, because new sensing functionalities will be implemented in the thermal system. Cost bursting, because expensive components of current SoA products will be replaced by cost efficient components as well as the number of parts minimized. Industrial, because mass production means will be used to manufacture the heat exchanger.

  1. To increase the e-powertrain overall efficiency up to 5%
  2. To prove of a minimum of 20% cost reduction in mass production of the thermal system by the introduction of an innovative heat exchanger.
  3. To integrate new components and functionalities leading to higher user friendliness, reduction of range anxiety and temperature impact on degradation of the BP.
  4. To achieve automotive class quality.
  5. To demonstrate an overall efficiency increase


The i-HeCoBatt project will bring advancements on battery heating and cooling systems, improving the overall e-powertrain (PWT) efficiency and reducing the need of raw materials.

The battery pack (BP) will be benefitted from the novel heating and cooling system: the new implemented sensors and associated software together with the improved adaptive TMS (Thermal Management System) performance, thanks to the novel heat exchanger will provide with a greater thermal control. It will allow operating in a more stable operational window and managing in a secure way extreme conditions due to fast-charging, weather, etc.

As a consequence, BP operation and service life will be enhanced with increased reliability and safety. In addition, the reduction of weight of the heat exchanger has as a direct impact as less energy consumption due to the reduced overall EV weight.

Indirectly, the novel battery cooling and heating system of i-HeCoBatt coupled with the thermal control strategy developed will support the over-heating control of the system during the charging scenario at high power, which is considered as an extreme condition that can affect the battery service life.


I-HeCoBatt consists of eight (9) WPs that include the necessary activities to ensure the proposal objectives are implemented and the expected impacts are met.

1: Project management and coordination.

WP1 consists of tasks that ensure the efficient and effective co-ordination and management of the proposal, involving all proposal partners in order to guarantee the proposal is timely and successfully executed in terms of objectives, milestones and deliverables.

This WP also includes the direct communication between the proposal consortium and the European Commission and foresees risk identification and assessment with the aim to develop strategies to address them and implement the necessary corrective actions.

2: Thermal characterization of battery pack in extreme conditions.

The main objective of WP2 is to define the thermal framework of the BP and check the behaviour and improvement due to the proposed heat exchanger, when coupled to the BP. Most of the activity of this WP will be focused on different thermal testing scenarios set-up and execution: just the BP, the BP with the current cooling system and finally the BP with the innovative heat exchanger. It is a very important task since it will be fundamental to check & adjust thermal simulations of other WPs as well as experimentally demonstrate the overall system efficiency improvement thanks to i-HeCoBatt solution. It is remarkable that apart from the current thermal configuration with the addition of the heat exchanger, the results data analysis will be focused to forecast and recommend best system configurations for next generation EVs.

3: Preliminary prototyping of the heat exchanger.

In this WP the heat exchanger will be developed and a preliminary prototype (A-sample) manufactured. Based on a new heat exchanger concept and the BP thermal needs resulting from the testing activity in WP2, a customized design will be launched and then simulated. Once the simulation-redesign loop is successfully closed, the focus will change towards the manufacturing of the prototype and the integration of sensing functionalities. This will be a preliminary approach, that will be tested in order to understand the pros and cons of the sensorized heat exchanger, match the launched simulations and follow the optimization cycle towards the semi-industrial B-sample to be built in WP7.

4: Sensorization of the heat exchanger

The goal of WP4 is to define the best technology for each sensing case, build prototypes and test them. Different physical principles could be chosen to give response to the requested parameter measurement. Some phenomena as the temperature and humidity are a must and fundamental to cover the thermal system’s early diagnostic and safety goals.

Additional sensing capacity will be proposed and checked if they result in a competitive advantage for the product. Apart from the sensing functionality, the necessary HW for emitting and receiving the measured data will be developed in close relationship with the SW that will manage these data.

5: Thermal strategy to reduce impact on vehicle range.

One of the main goals of the proposal is to reduce the impact of temperature on BP degradation. Hence, partners in this WP will simulate the entire thermal system and fit the thermal management strategy to optimize the overall thermal behaviour. In order to set up the system, different parts (models) are necessary. BP thermal model will be achieved, starting from already existing cell models, system ancillary elements (pump, chiller, etc) modelled and the heat exchanger model developed in WP3 implemented.

Hence, the whole system models will be gathered and combined in a common simulation environment. BP model will be matched with experimental data of WP2 and ancillary models reliability is already proven so this simulation activity will run in parallel with the heat exchanger design modelling activity and will feed it. The system will be ruled by a thermal management system used to reach the defined overall efficiency goals.

6: SW tool for external diagnostic & safety and secure data-cloud management.

The goal of the team working on WP6 is to make accessible the data from sensors to the user. The user can be the designer, manufacturer, tester, maintenance workstation and even the final user (driver). Data access profiles must be customized in each case. Hence, part of the work is focused on the definition of the interface and the data shared between the sensorized heat exchanger and an external device (in this case, a tablet). This data sharing will be made by allocating the data in the cloud and by creating the corresponding security firewalls and permissions according to the connected user.

This task will be developed along the project and will be applied to preliminary sensor prototypes first and then to the definitive sensors embedded in the thermal system on board of the EVs. Automotive quality will be pursued through the whole proposal, but special care will be taken in this WP, since the solution enters into the industrial phase that should fully fit the expected quality thresholds.

7: Industrialization of the proposed heating and cooling solution.

This WP concentrates the core of the eco-design, LCA and LCC approach that will be applied in every WP in order to monitor the ongoing of tasks in every WP. In this WP all the procedures, parameters and roadmaps regarding a suitable approach in the previously mentioned sense will be defined.

On the other hand, the industrialization of the products developed in previous stages will be accomplished. The innovative heat exchanger will jump from A-sample type devices to B-sample ones, so that industrial tooling and means will be applied. In the same way sensors will be integrated in that industrial manufacturing workflow in order to get as closest as possible to a market product.

8: In-car integration of the proposed heating and cooling solution.

Once the intelligent heat exchanger has been manufactured, the first step will be to attach the new heat exchanger to the BP. Then it will be integrated into the vehicle and connected to the ancillary devices and rest of the system on board.

This process will be accomplished for the A-sample and the B-sample. During the process the sensors and corresponding HW and SW will be implemented on board. Once all the system is ready it will be tested in a roller test bench and then on track. Data is acquired and analysed.

9: Dissemination, Communication and Exploitation.

WP9 consists in the multiple activities that ensure that i-HeCoBatt has an effective and efficient international exposure through appropriate dissemination measures. WP9 also ensure that the results of the proposal continue beyond the lifetime of i-HeCoBatt through sustained proposal exploitation. WP9 consists on the development of a full detailed dissemination and exploitation plan, the development of multiple dissemination and communication tools; participation in conferences and trade fairs to present the diversity of proposal results; the implementation of a proposal workshop and webinars; and the development of an exploitation plan and business plan.


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