Northvolt is developing sustainable wood-based batteries

Swedish battery company Northvolt is checking out the probability of developing batteries that benefit from carbon contained in locally sourced wood, to enable decrease their environmental effect and expense. Collectively with Finnish forestry company Stora Enso, Northvolt seems to be to scale this wood battery anode technologies.

Northvolt is a battery maker started by two former Tesla executives next their time performing at the American automaker’s 1st Gigafactory in Nevada together with Panasonic. The original target of Northvolt was to recreate the “gigafactory” concept in Scandinavia, producing batteries at a “gigawatt-hour” level to aid their growing need for EV modules.

The startup swiftly secured funding to commence manufacturing unit projects with quite a few automakers, which includes Volkswagen, BMW, and Volvo, which involved programs for a battery facility in Sweden to assist the latter’s electrification plans.

In late 2021, Northvolt commenced mobile generation at its first gigafactory, followed by information of a second manufacturing facility coming to Sweden by 2025. By March 2022, a 3rd gigafactory had been declared, this time for Germany.

Apart from expanding its overall footprint in Europe, Northvolt is also performing to acquire batteries applying special and sustainable components like 100% recycled nickel, manganese, and cobalt. Now, with the support of Stora Enso, Northvolt is turning to the Nordic woods to create wooden-based batteries.

Northvolt’s 1st gigafactory – Northvolt Ett located just south of the Arctic Circle / Source: Northvolt

Price tag effective battery anodes made with renewable wood

For every a push launch from Northvolt, it has entered into a joint improvement agreement with Stora Enso to build batteries using lignin-based tricky carbon produced by renewable wood from Nordic forests. The purpose is to successfully establish and scale the world’s first battery to aspect an anode sourced fully from raw supplies in Europe. The outcome would be a cell that is reduce in the two expense and carbon footprint.

A critical ingredient in these wood-base batteries is lignin – a plant-derived polymer uncovered in the cell walls of dry-land vegetation. Trees are composed of 20–30% lignin, which functions as a powerful, normal binding agent. According to Northvolt, lignin is also one particular of the biggest renewable resources of carbon wherever.

As a result of the advancement settlement, Stora Enso will provide its sustainably sourced, lignin-centered anode content known as “Lignode” and Northvolt will use its gigafactory infrastructure to travel cell structure, acquire manufacturing processes, and scale the technological innovation. Northvolt’s chief environmental officer Emma Nehrenheim spoke to the collaboration with Stora Enso:

With this partnership, we are checking out a new source of sustainable uncooked substance and growing the European battery value chain, whilst also producing a considerably less pricey battery chemistry. It is an thrilling demonstration of how our pursuit of a sustainable battery industry goes hand-in-hand with making a good effect both equally on modern society and cost.

Stora Enso has been functioning industrialized production of lignen at its output internet site in Finland since 2015. It presently has an annual creation potential of 50,000 tons, securing the biomaterials manufacturer as the premier lignin producer in the earth. Though wood battery biomaterial manufacturing now only exists as a pilot line, Stora Enso is now performing a feasibility examine to investigate industrial production of its Lignode technological know-how.

We are inquiring for much more specifics with regards to the functionality possible and value of these wooden-based mostly batteries as they go nearer to reality, as effectively as how they might assess to classic graphite or the more recent silicon anodes. Knock on wooden.

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