Essential information for end of life vehicle dismantling, depollution and recycling

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Saft. battery manufacturer CEO talks to ICM pre-ICBR 2019

ICBR 2019This year’s International Congress for Battery Recycling (ICBR) takes place on the 18th to 20th September and will be held at the Lyon Marriott Hotel Cité Internationale in Lyon, France. 

The conference offers outstanding presentations and an ideal platform for networking with industry representatives from all over the world. 

This year, the keynote speech will be delivered by Ghislain Lescuyer, CEO of the battery manufacturer Saft. Mr Lescuyer will report on the renewable energy market and the role of electrical energy storage. Prior to his presentation, ICM had the opportunity to talk to Mr Lescuyer and ask him a few questions. 

Ghislain Lescuyer ICBR 2019
Ghislain Lescuyer

Mr Lescuyer, lithium-ion batteries may be increasingly used for so-called second-life applications following their use in electric cars. What exactly happens in this application? 

A second-life application means the battery is repurposed for a different use from the one it was originally designed for. As the name suggests, an application of this nature comes after the first, or original, life of the battery. 

Typically, these kinds of batteries reach the second-life stage after approximately 7–12 years of use. At that point in their life cycle and depending on the conditions of the first application, the ability of 10-year-old batteries partially depleted of their original capacity to consistently deliver high-quality service has to be proven. In addition, they will face competition from new batteries of a more advanced design – at least two generations ahead. The price performance evolution over time needs to be taken into consideration. 

To summarise, there are potentially a number of applications for second-life batteries, but the business model first needs to be tested and validated. 

So are battery manufacturers becoming electricity suppliers? 

They might be, but in a different way. For instance, think of batteries as smart energy reservoirs that provide services. However, they do not fulfil the role of a traditional electricity supplier. 

How high is the residual energy content when a lithium-ion battery is removed from an electric car? 

That all depends on the state of health and charge of the battery when it’s removed from the electric car. It’s clear that many factors need to be taken into account when discussing residual energy content and extra calendar life. 

As with any equipment, batteries age over time. And ageing means a reduction of their capacity. It’s generally considered that a battery that has aged to the extent that its capacity is 70% less than its initial capacity is no longer fit for EV, and that is when it may have potential for other applications where such a reduction in capacity is not so critical (e.g. ESS could be one such application). 

Are second-life applications only possible for lithium-ion batteries from electric cars or also those from other applications? 

Batteries are designed for a specific set of operational parameters for which they excel. Any repurposing of a battery for a different application by nature means a less good fit. We do not expect that second-life will grow beyond limited niche markets. 

To what extent can battery recyclers participate in this business model? 

Firstly, respect for the environment is a priority at Saft. As the world population grows, the demand for primary materials will become increasingly unsustainable. For that reason, it’s essential to return materials back to the economy at the end of their life cycle. 

We recognise the value of recycling which allows for the reuse of valuable and scarce materials in industry, with a much reduced environmental footprint of secondary raw materials compared to primary ones. This is why we have a bring-back scheme for our nickel based batteries. 

In addition, recent research by Umicore and Audi found that 95% of the valuable minerals – cobalt, nickel and copper – inside a lithium-ion battery can theoretically be recycled. I’m sure the battery recyclers are ready and willing to do so. Moreover, some recyclers are now implementing the recycling of lithium. But the question remains as to whether it can be done at scale. 

To find out more about the challenges of battery recycling, head along to the ICBR 2019 in Lyon – a great opportunity to exchange news, views and ideas with experts from all areas of the battery recycling sector. 

For all details on the program and how to register, visit 

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