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Raw materials for a low-carbon future

Hot metal being poured. (c) Getty images.

Nissan Leaf battery pack. BGS (c) UKRI.

Metals are fundamental to human existence. They are ubiquitous in the manufactured goods and supporting infrastructure we use and rely on every day. Metals perform a myriad of functions, including enabling the technologies needed to decarbonise the global economy such as low-carbon energy generation and zero-emission transport. However, humans use metals in vast quantities and their extraction and processing have profound environmental consequences, particularly in the emission of greenhouse gases. The Metals and Decarbonisation Science Briefing Paper summarises the current paradigm for global metal supply and demand and sets out some of the barriers and opportunities that this presents to the transition to a more sustainable, low-carbon economy.

Air pollution, climate change and energy security are the key drivers of the transformation currently underway towards a low-carbon future. Several countries have developed plans for the decarbonisation of power grids and the development of low-emission vehicles. For example, the UK Government has committed to abolish the sale of new conventional cars and vans by 2040, and for every car and van on the road to be a zero-emission vehicle by 2050.

Batteries and fuel cells are enabling technologies for low-emission vehicles and their adoption is forecast to grow exponentially in the coming years. Even though dependency on fossil fuels will be reduced, raw materials, in particular metals, will be needed in greater amounts for the manufacture of battery packs, fuel cells, electric vehicles and hydrogen-powered vehicles. Cobalt, lithium, graphite, nickel, manganese, platinum group metals, copper, rare earth elements and many more will be required to enable this transition. Many of these materials are considered critical and issues with supply vulnerability and disruption may arise if actions to monitor the physical economy and mitigate potential impacts are not taken in time.

The low-emissions vehicle transition is ambitious and requires a major shift in raw material use. The briefing note on raw materials for batteries in electric vehicles presents some of the key issues associated with the demand and supply of key commodities, such as cobalt, lithium and nickel, as well as a discussion of potential mitigation actions.

More information

Global material flows of lithium

Download the Global material flows of lithium for the lithium-ion and lithium iron phosphate battery markets report.

Lithium is a key element for decarbonisation technologies. The development of lithium-ion batteries (LIB) for electric vehicles and energy storage solutions relies on the increased production of lithium over the coming years. The 'Global material flows of lithium for the lithium-ion and lithium iron phosphate battery markets' report analyses the global lithium market (2018) using material flow analysis and provides an insight to the global flows of lithium from primary extraction to LIB use in four key sectors: automotive, energy and industrial use, electronics and other. A specific focus and quantification of lithium use in lithium iron phosphate (LFP) cathodes for LIB batteries is also given.

Graphite resources in Africa

Graphite resources and their potential to support supply chains in Africa report

The continent of Africa has significant graphite resources, which may provide an opportunity for many African countries to contribute to meeting increased demand whilst also supporting economic growth. Our 2021 report reviews known resources of graphite and engagement in the battery supply chain across key African countries. Many African countries (most notably Mozambique, Madagascar, Tanzania and Namibia) have graphite resources and some operating graphite mines; however, there is much less engagement in critical stages further along the supply chain, in particular processing to produce high-purity spherical graphite. There is clear potential for Africa’s graphite resources to make a greater economic contribution, but this should be placed in the context of the wider supply chain and environmental, social and governance issues.

Lithium resources in Africa

Lithium resources and their potential to support battery supply chains in Africa

The continent of Africa has significant natural lithium resources, which may provide an opportunity for many African countries to contribute to meeting increased demand whilst also supporting economic growth. Our 2021 report reviews known resources of lithium and engagement in the battery supply chain across key African countries. Many African countries have lithium resources and the potential for lithium mines; however, there is much less engagement in critical stages further along the supply chain. There is clear potential for Africa’s lithium resources to make an important contribution to regional economies, but this needs to be placed in the context of wider supply chains and environmental, social and governance issues.

Global critical metal deposit maps

Global lithium mines, deposits and occurrences

Global lithium mines, deposits and occurrences map

Globally, lithium is extracted from two key sources: brines and minerals. Currently, lithium-bearing minerals such as spodumene and petalite are chiefly extracted from pegmatites in Australia, Zimbabwe and Brazil; however, future sources of lithium are likely to include hectorite and jadarite, which are found in some sedimentary basins.

Extraction of lithium from brines predominantly occurs from continental brine deposits, such as those found in Chile, Argentina and Bolivia. Extraction from oilfield and geothermal brines has been demonstrated and may become an important source of lithium in the future.

Global rare earth element (REE) mines, deposits and occurrences

Global rare earth element mines, deposits and occurrences map

The rare earth elements (REEs) are mined from hard-rock sources and from sources formed by weathering at the Earth's surface. The main hard-rock sources are carbonatite and alkaline igneous rocks, in which REEs are found in a wide range of minerals, although currently they are only extracted from monazite, xenotime, fluorcarbonates and loparite.

Much research is being undertaken to expand the range of minerals from which we will be able to extract REEs in the future. The main weathered sources of REEs are ion adsorption clays, weathered carbonatites and mineral sands. China is the main global producer of REE ores and concentrates, but a number of other REE mines have opened in recent years.

Raw materials for decarbonisation profiles

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