Sodium-ion batteries (NIBs, SIBs, or Na-ion batteries) are several types of rechargeable batteries, which use sodium ions (Na +) as their charge carriers. In some cases, its working principle and cell construction are similar to those of lithium-ion battery (LIB) types, but it replaces lithium with Contact online >>
Sodium-ion batteries (NIBs, SIBs, or Na-ion batteries) are several types of rechargeable batteries, which use sodium ions (Na +) as their charge carriers. In some cases, its working principle and cell construction are similar to those of lithium-ion battery (LIB) types, but it replaces lithium with sodium as the intercalating ion.
It said its first generation of sodium-ion battery cells could achieve energy densities of up to 160Wh/kg and promised an increase to 200 Wh/kg for the next generation.
Addressing the World Young Scientists Summit, chief scientist Wu Kai said the new battery will be launched next year – four years after the release of CATL''s first sodium-ion battery in 2021. The first generation had an energy density of 160 Wh/kg, while the next one is expected to exceed 200 Wh/kg.
Stockholm, Sweden – Northvolt today announced a state-of-the-art sodium-ion battery, developed for the expansion of cost-efficient and sustainable energy storage systems worldwide. The cell has been validated for a best-in-class energy density of over 160 watt-hours per kilogram at the company''s R&D and industrialization campus, Northvolt
Following a breakthrough in technology, Northvolt is proud to add sodium-ion to its cell portfolio, enabling the expansion of cost-efficient and sustainable energy storage systems worldwide.
Stockholm, Sweden – Northvolt today announced a state-of-the-art sodium-ion battery, developed for the expansion of cost-efficient and sustainable energy storage systems worldwide. The cell has been validated for a best-in-class energy density of over 160 watt-hours per kilogram at the company''s R&D and industrialization campus, Northvolt Labs, in Västerås, Sweden.
Northvolt''s validated cell is more safe, cost-effective, and sustainable than conventional nickel, manganese and cobalt (NMC) or iron phosphate (LFP) chemistries and is produced with minerals such as iron and sodium that are abundant on global markets. It is based on a hard carbon anode and a Prussian White-based cathode, and is free from lithium, nickel, cobalt and graphite. Leveraging a breakthrough in battery design and manufacturing, Northvolt plans to be the first to industrialize Prussian White-based batteries and bring them to commercial markets.
Peter Carlsson, CEO and Co-Founder of Northvolt, comments: "The world has put high hopes on sodium-ion, and I''m very pleased to say that we''ve developed a technology that will enable its widespread deployment to accelerate the energy transition. It''s an important milestone for Northvolt''s market proposition, but battery technology like this is also crucial to reach global sustainability goals, by making electrification more cost-efficient, sustainable and accessible worldwide."
The sodium-ion technology, which has been developed together with research partner Altris, is intended to provide the foundation for Northvolt''s next-generation energy storage solutions. The low cost and safety at high temperatures make the technology especially attractive for energy storage solutions in upcoming markets including India, the Middle East and Africa.
Additionally, the technology can be produced with locally sourced materials, providing a unique pathway for developing new regional battery manufacturing capacity entirely independent of traditional battery value chains.
Northvolt''s first generation of sodium-ion cell is designed primarily for energy storage, with subsequent generations delivering higher energy density opening opportunities to enable cost-efficient electric mobility solutions. It represents an ideal complement to Northvolt''s product portfolio consisting of premium lithium-ion battery cells tailored for automotive customers, and energy-dense lithium-metal battery technology under development for aviation and high-performance vehicles at Cuberg, a Northvolt company based in San Leandro, USA.
Peter Carlsson concludes: "Our sodium-ion technology delivers the performance required to enable energy storage with longer duration than alternative battery chemistries, at a lower cost, thereby opening new pathways to deploying renewable power generation. The potential of sodium-ion in this market alone will make a tremendous impact in the drive towards global electrification."
Northvolt was established in 2016 in Stockholm, Sweden. Pioneering a sustainable model for battery manufacturing, the company has received $55 billion in orders from key customers, including BMW, Fluence, Scania, Volvo Cars and Volkswagen Group. The company is currently delivering batteries from its first gigafactory Northvolt Ett, in Skellefteå, Sweden and from its R&D and industrialization campus Northvolt Labs, in Västerås, Sweden, supported by over 5,000 employees in Sweden, Germany, Norway, Poland, Portugal, the US and Canada.
Northvolt is using a material called Prussian White for its sodium-ion cathode.
For the anode, Northvolt will use a biobased hard carbon.
Northvolt''s sodium-ion team working at Northvolt Labs.
Gigafactory company Northvolt and sodium-ion battery technology firm Altris have together revealed a battery with an energy density of 160 Wh/kg, designed for energy storage systems.
The firms revealed the battery’s energy density today (21 November) following a research partnership and Northvolt’s investment in Altris in May 2022.
Sodium-ion battery technology is widely seen to be the most commercially mature electrochemical-based alternative to lithium-ion. For comparison, lithium-ion technology generally has a Wh/kg energy density of between 120 and 260, according to the International Energy Agency (IEA) in its Global EV Outlook 2023.
The firms said the battery they have developed together will provide the foundation for Northvolt’s next-generation energy storage solutions. Executives from the firm discussed its approach to the energy storage market with Energy-Storage.news in a recent interview.
Its low cost and safety at high temperatures make it especially attractive for deployment in “upcoming markets” including India, the Middle East and Africa, it added.
Altris is currently series B financing to scale up giga-scale manufacturing of its patented cathode material, Altris Prussian White.
Northvolt CEO Peter Carlsson commented: "Our sodium-ion technology delivers the performance required to enable energy storage with longer duration than alternative battery chemistries, at a lower cost, thereby opening new pathways to deploying renewable power generation. The potential of sodium-ion in this market alone will make a tremendous impact in the drive towards global electrification."
The news comes as Europe’s lithium-ion manufacturing industry grapples with the ramifications of the US’ generous subsidies for clean energy manufacturing, including batteries. Northvolt’s Norwegian peer Freyr Battery recently decided to pause further investments in Europe and ‘only scale in the US’ until Europe comes up with a policy response, CEO Birger Steen discussed in an interview with us published last week (Premium access).
Energy-Storage.news'' publisher Solar Media will host the 9th annual Energy Storage Summit EU in London, 21-22 February 2024. This year it is moving to a larger venue, bringing together Europe''s leading investors, policymakers, developers, utilities, energy buyers and service providers all in one place. Visit the official site for more info.
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The data supporting the findings of this study are available within the article and its Supplementary Information files.
This work was supported by the National Natural Science Foundation (NSFC) of China (51725206, 52122214 and 52072403), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA21070500), the Youth Innovation Promotion Association of the Chinese Academy of Sciences (2020006) and Beijing Municipal Natural Science Foundation (2212022).
Y.-S.H. conceived and designed this work; Yuqi L. prepared the materials and carried out the electrochemical measurements and calculations; Yuqi L., Q.Z. and Yu L. assembled the pouch cells and cylindrical cells. Yuqi L., S.W., F.D., J.L. and X.Z. carried out the ex situ or in situ characterizations and analysis; Yuqi L., Yaxiang L. and Y.-S.H. wrote the manuscript; all the authors participated in the discussion to improve the paper and made revisions of the whole manuscript.
X.W. and H.L. are employed at Tianmu Lake Institute of Advanced Energy Storage Technologies. Q.Z., X.Q. and Y.-S.H. are employed at HiNa Battery Technology Co., Ltd.
Nature Energy thanks Naoaki Yabuuchi and the other, anonymous, reviewer(s) for their contribution to the peer review of this work.
Publisher''s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Supplementary Figs. 1–30.
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