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HSSMI – Discussions with the Industry: Estimating the Economic and Environmental Benefits of Battery Recovery Methods

Project VALUABLE, led by HSSMI, has been instrumental in shedding light on second-life opportunities for li-ion batteries.


HSSMI - Discussions with the Industry: Estimating the Economic and Environmental Benefits of Battery Recovery Methods f

As the project closed at the end of March, we are now sharing our findings in order to generate discussion amongst the public and, in particular, those who are looking to continue the research that VALUABLE began. In this blog series, we will be discussing a different battery-related topic each time – from testing and legislation to end of life, recycling and remanufacturing. This time, we explore the benefits of remanufacturing through the new HSSMI battery cost estimation methodology.

HSSMI - Discussions with the Industry: Estimating the Economic and Environmental Benefits of Battery Recovery Methods p
Image: © Przemek Klos / Adobe Stock

As lithium-ion battery costs remain high, it is important to consider ways of reaping maximum value from each pack once they reach end of service life, for example, through repairing, repurposing, recycling, and remanufacturing. In order to determine commercial viability of each method, it is important to define the trade-off between selling the used battery, investing further into new parts for repair or remanufacture, or paying for the recycling service.

To understand the impact battery design has on the costs associated with different battery recovery methods and their economic feasibility, HSSMI developed a battery lifecycle cost estimation methodology as part of the VALUABLE project. The methodology allows for the exploration of various scenarios and provides immediate feedback on which option is more economically viable. This enables an iterative approach where OEMs can understand which scenarios work and which do not and thus support decision making.

The market value of the given battery pack is taken as the basis for comparison in each potential scenario. This value is composed of the materials, manufacturing, and service costs, as well as overheads, buy-back cost and profit margin. Estimations of market value are achieved by automatically adjusting the bill of materials and manufacturing processes, based on details of the original and new products. The four main product prices that the methodology accounts for are: (1) the original battery design, (2) a remanufactured battery of the same design as the original, (3) a repurposed battery utilising harvested modules and (4) the cost of cell recycling. The methodology was further enhanced through collaboration with Aspire Engineering to include the expected value of part harvesting, cost of component validation tests and value recovery through recycling of the remaining battery components.

Case Study 1: Exploring Life Extension Business Cases with TEVVA

HSSMI worked together with TEVVA in the VALUABLE project. Using assembly process data from TEVVA’s battery packs, HSSMI was able to leverage the battery lifecycle cost estimation methodology to address TEVVA’s needs. The final results enabled TEVVA to explore different battery life extension business cases. The flexible nature of the methodology and the ability to analyse different module and pack architectures was key for success. Furthermore, the ability to alter commercial parameters, including margin and buy-back rates, allowed TEVVA to explore the financial implication of life extension and make a decision on design to enable maximum return once the battery reaches end of service.

Case Study 2: Rapid Value Recovery Assessment to Support the 3R’s Battery Service  with Aspire Engineering

The role of Aspire Engineering in the VALUABLE project was to develop a strategy for battery remanufacturing and reuse that would meet future OEM requirements for warranty and aftermarket. The HSSMI battery cost estimation methodology supported Aspire Engineering in highlighting value recovery opportunities early in discussions with customers. With minimal data required to assess the value proposition for each customer, an understanding of which battery pack design elements promote an economically sustainable approach for repair, remanufacture, repurposing, or recycling can be achieved rapidly.



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Owain Griffiths

Owain Griffiths

Head of Circular Economy at Volvo Cars

Owain joined Volvo Cars in June 2021 to lead Circular Economy in the Global Sustainability Team. The company has committed to being a circular business by 2040 and has financial, recycled content and CO2 based targets for 2025, all of which Owain is working across the company to make happen. Owain previously worked for circular economy consultancy Oakdene Hollins where he advised businesses on evidence led circular economy implementation. 

Turning into a circular business and the importance of vehicle reuse and recycling.

The presentation will cover the work Volvo Cars is doing to achieve 2025 but mainly focus on the transformational work towards 2040 and the business and value chain changes being considered. Attention will be paid to the way vehicles are being dealt with at the end of life and the complexities of closing material and component loops. Opportunities and challenges which Volvo Cars is facing will be presented including engagement with 3rd parties and increasing pressure from stakeholders.

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The power of the network model means e2e has the ability to influence industry standards and is committed to continually raising the bar whilst redefining the role and perceived value of the salvage operator.  Network members adhere to robust service level agreements, against which they are audited, in order to ensure performance consistency and a market leading customer experience.  

The salvage and recycling operating environment is evolving rapidly, and e2e is anticipating, listening and responding to changing market needs.  Regulatory compliance, ESG, reclaimed parts, customer experience, EVs, new vehicle technologies, data and reputation risk are just some of many considerations linked to the procurement of salvage services.  e2e will drive further added value to clients and members through the adoption and application of emerging technologies, continuing to differentiate its proposition and position salvage services as a professional partnership. 

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