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19 Apr 2021

Electricity's circular economy

Electricity's circular economy
Project sets out to ensure clean energy solutions don’t increase landfill waste
A sustainability project is exploring circular solutions to ensure that the drive for electric machines doesn’t result in an increase in parts ending up in landfill.

The target is to develop a more sustainable lifecycle for electrical machines, with an aim to adopt a circular economy approach that loops the materials back into manufacture at the end of life.

The project is being led by the University of Strathclyde’s Advanced Forming Research Centre and is part of the £28 million Future Electrical Machines Manufacturing (FEMM) Hub project.

“It’s important that efforts towards electrification do not create issues further down the line that have negative impacts of their own,” said Dr Jill Miscandlon, Senior Manufacturing Engineer at Strathclyde’s Advanced Forming Research Centre.

“We don’t want to be in a position where we transition to electric vehicles and wind turbines that end up in landfill at the end of their life.”

Currently, electric machines, such as those used in electric vehicles, are made using mostly metals and their alloys, some of which are complex in their composition or manufacturing routes, and most of which are manufactured from virgin, finite materials.

Unfortunately, due to the current design, manufacture and maintenance of these machines, end of life processing methods are not fully considered and most will end up in landfill.


This article was originally published on The Guide - Season 2 | 2021

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The FEMM Hub was launched last year and is the first of its kind to bring together leading research expertise in electrical machines and manufacturing in a bid to put the UK at the forefront of an electrification revolution.

Together, the University of Sheffield, Newcastle University and the University of Strathclyde are addressing key manufacturing challenges and designing new electrical machines with improved performance for the energy, aerospace, automotive and premium consumer sectors.

As the production of electrical machines increases over the coming decades, particularly within industries such as renewable energy, automotive and aerospace, the finite materials currently being mined for these machines will become harder to find and extract and subsequently will run out.

To ensure the continuation of electrification, and to secure a more sustainable and environmentally friendly solution, a route to recover end-of-life products and their materials is needed.

Recovering the finite material, which is currently mined in Asia, will also bring cost savings to European manufacturers, removing the cost of new material and bringing remanufacturing processes into UK supply chains.

An initial assessment of the current supply chain will be carried out by the AFRC to identify more sustainable manufacturing methods than those currently used, in addition to the reuse and recycling capabilities within the UK.

The team will also work to develop a UK supply chain for the end of life processing of current and future machines, and will develop a data driven model which selects the most appropriate intervention strategy – be that standard maintenance, remanufacture, or recycling of materials – at the optimal time for a particular component or machine.

This targeted approach will ensure that life cycles are optimised and real time data is involved in the decision making process.

Research groups across the UK are already looking at aspects of circular components for electrical machines, however this project through the FEMM Hub will be the first to look at a circular design for the entire machine. The AFRC hopes to connect research groups across the UK for a joined-up approach to create the most sustainable and high performing machines possible.

Dr Miscandlon says: “Through the FEMM Hub, we are redesigning electrical machines to ensure that they are manufactured for optimal performance and addressing key challenges along the way, putting us in a prime position to consider remanufacture from the very beginning.

“We need to strike a balance between designing electric machines with exceptional performance while ensuring that the materials can also be recovered for further use.

“We must absolutely move towards clean energy solutions and electrification, but it is essential that we are thinking about the long-term impact of these decisions from the earliest stage possible.”

 


This article was originally published on The Guide - Season 2 | 2021

Check out more articles

 

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