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Hybrid EneRgy stOragE Stations

Periodic Reporting for period 1 - HEROES (Hybrid EneRgy stOragE Stations)

Reporting period: 2021-05-01 to 2022-10-31

The overall objective of the HEROES project is to develop and demonstrate an innovative Lithium-ion Capacitor (LiC) based hybrid high-power stationary storage system for fast charging of electrical vehicles (EVs) (23 min for 75% of a state of the art 93 kWh EV) that can be connected to widespread low voltage grids without the need to invest in improving the grid infrastructure.

The project will contribute to deliver on the Green Deal target aiming to reduce the emission with 55% by 2030 compared to 1990, and net emission of greenhouse gases by 2050. The transport sector accounts for about 26% of the CO2 emission in Europe. HEROES provide a solution for fast charging of electrical Vehicles (EVs) that will contribute to accelerate the electrification of the transport sector and thereby contribute to reduce CO2 emissions in Europe.

HEROES includes 10 partners from 5 different European countries, coordinated by Beyonder located in Norway.
Beyonder (BYO) has developed and produced high power cells for testing by Institute of Energy Technology (IFE), Aalborg University (AAU), and ElringKlinger (EK). BYO has also successfully upscaled the pre-lithiation process from lab scale to production of pouch cells at the innovation line, and demonstrated that prelithiation significantly increase cycle life of LiC.

IFE is responsible for cell characterization and AAU for development of SoX algorithms (state-of-charge, state-of-health, state-of-function) for the Battery Management System. IFE and AAU have tested cells from BYO for capacity, cycle life, thermal and electrochemical properties. IFE has performed initial cell characterization of LiC. AAU has developed initial SoX algorithms for LiC that will be integrated to the LiC Battery Management System.

Lithium Balance (LBA) is developing the LiC BMS and delivering the Lithium-ion Battery (LiB) rack. LBA has completed the hardware design for the BMS and testing of the BMS. LBA has also performed a mock-up integration of a Matlab/simulink autogenerated code for integrating the SOX algorithms from AAU. Both a Hardware-in-the-Loop (HIL) setup and a battery test setup is built.

EK is developing LiC modules. EK has tested LiC cells and started designing the LiC modules. EK has examined the need for compression pads between cells, and what cooling system that will be required for the LiC rack.

Siemens is responsible for integration of the full system, for development of DC/DC converter, and for development of the Energy Management System (EMS). Development of DC/DC converter is ongoing, basic design is finalized. Silicon Carbide technology has been selected due to high currents and voltages. Siemens is preparing for testing of components developed by partners and for testing of the whole system in lab.

Be-storage (BEST) is responsible for installation and testing of the HEROES system. BEST has identified two relevant locations. Clarification of permission from local authorities for installation is ongoing.

Sustainable Innovation (INNOVA) has developed an initial exploitation strategy by addressing an initial market assessment with relevant trends about EV adoption, and identified Key Exploitable Results (KERs) that HEROES partners are aiming to achieve during the project. INNOVA has also identified an initial methodology for development of business models for HEROES, including an Intellectual Property Rights (IPR) strategy.

The European Association for Storage of Energy (EASE) has developed a project website and social media, HEROES logo, HEROES video, newsletter, and interviews of project partners presented at the website, and developed a communication and dissemination plan. EASE has also presented HEROES at several events.

ENSO is responsible for Life Cycle Analysis (LCA) and Lif Cycle Cost Analysis (LCA).Partners are working on input to the LCA and LCCA. Defining a reference system to the HEROES system is ongoing.

The next period will be an exciting period testing components and the whole system, initially in lab, then at real locations in Germany managed by BEST.
BYO has upscaled a patented and complex pre-lithiation process from lab scale using coin cells to production of pouch cells at the innovation line. BYO has demonstrated that pre-lithiation significantly increase cycle life of LiC. BYO has developed cell for testing by IFE, AAU, and EK. BYO is currently producing LiC cells at the Innovation line for module development by EK.

IFE and AAU have tested for capacity, cycle life, thermal and electrochemical properties. IFE has performed initial cell characterization of LiC, work ongoing. IFE is currently procuring nano-silicon sample for electrode development for some LiC cells (see Amendment) in cooperation with BYO. AAU has developed initial SoX algorithms for LiC.

LBA has completed the hardware (HW) design of the BMS and the HW related tests. With respect to the software activities, a mock-up integration of a Matlab/simulink autogenerated code has been executed and guidelines for integrating the SOX algorithms from AAU derived. Both a HIL setup and a battery test setup is built.

EK is currently developing LiC module design and will perform module testing December-January 2022/2023. April-May EK will develop LiC modules for the LiC rack that will be shipped to Siemens to be tested in the lab prior to be shipped for installation at location defined by BEST.

SIEMENS: Development of DC/DC ongoing. Due to high currents and voltages SiC technology was selected. Currently there are some challenges with EMC and overvoltage.

BEST has been involved in the System Specification requirements, especially providing input to standards applicable for the HEROES system. BEST has identified two relevant locations for installation of the HEROES system. Clarification of permission from local authorities for installation has started.

INNOVA has conducted the first version of exploitation strategy, identified Key Exploitable Results (KERs) that HEROES partners are aiming to achieve throughout the technical development, and developed a draft methodology for development of business models for HEROES that includes handling of Intellectual Property Rights.

EASE: has developed a project website and social media, HEROES logo, HEROES video, newsletter and interviews of project partners presented at the website. EASE has also developed a communication and dissemination plan submitted to CINEA, and presented HEROES at several events.

ENSO: Partners are working on development of input to LCA and LCCA. A reference system to the HEROES system is under discussion and evaluation.
New components developed / under development (per 31.10.2023):
1. Development of LiC cells: Cells are developed for testing and for development of modules.
2. Development of LiC module for testing is ongoing.
3. Development of BMS for LiC. Testing finalized. Initial SoX algorithms integrated.
4. DC/DC converter: initial design finalized. Final design and testing ongoing.
5. EMS for the Hybrid Energy Storage Station. Work ongoing.
Electrode production
Beyonder high power cell
HEROES Consortium meeting at Beyonder June 2022
LiC cell climate chamber with an external fan for thermal modelling
Illustration of the HEROES system