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TasmanIon

New Zealand startup commercialising rechargeable aluminium-ion battery technology for grid storage and portable applications.

Last updated September 29, 2026

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Overview

TasmanIon is a New Zealand startup developing rechargeable aluminium-ion battery technology, positioned for grid storage and portable applications. The company was developed by researchers from Victoria University of Wellington and is led by co-founder and CEO Dr Shalini Divya. Its stated mission is to commercialise a battery chemistry that is safer, more sustainable, more cost-effective and more scalable than incumbent technologies, and to contribute to what it calls the sustainable energy revolution. The core of TasmanIon's proposition is its materials choice. Its cells use aluminium, described by the company as the most abundant metal in the Earth's crust, and avoid critical metals that it says have an unethical mining profile and an unstable supply chain. The electrolyte is non-flammable, which the company presents as particularly suited to stationary storage, an application tightly regulated with safety and cost as critical design parameters. TasmanIon also states that its cells can be fabricated using the same production infrastructure used in lithium-ion manufacturing, which it argues overcomes scalability challenges associated with other new battery chemistries. Its patented cathode material is used in a range of other applications, has a well-known supply profile and is abundant, making it less susceptible to metal price volatility. The company claims its unique materials enable a much higher energy density compared with other batteries used in stationary storage. TasmanIon presents itself as a startup at the forefront of commercialising rechargeable aluminium-ion batteries, offering a safer and more affordable alternative for energy storage. Its public messaging emphasises five themes: cost-effective solutions, enhanced safety, scalable applications, high performance, and a sustainable future built on responsible materials. The company's team includes Dr Shalini Divya as co-founder and CEO, May Low as Operations Manager, Jonathan Harris as Research Technician, and Dr Sagar Mothkuri as Senior Researcher. As a young venture, TasmanIon operates in the emerging field of post-lithium battery chemistries, where aluminium-ion concepts are being explored for stationary storage because of aluminium's abundance, low cost and the potential for non-flammable electrolytes. The company's focus on leveraging existing lithium-ion production infrastructure is a notable part of its commercialisation strategy, as it aims to reduce the barriers to scaling a new chemistry. TasmanIon is based in New Zealand and its activities to date centre on technology development and commercialisation rather than large-scale manufacturing.

History

TasmanIon is a New Zealand startup company developing rechargeable aluminium-ion battery technology. The venture was developed by researchers from Victoria University of Wellington, and it describes itself as a startup at the forefront of commercialising rechargeable aluminium-ion batteries. Its co-founder and CEO is Dr Shalini Divya, who leads a small team that also includes Operations Manager May Low, Research Technician Jonathan Harris and Senior Researcher Dr Sagar Mothkuri. The company's formation reflects a broader international research push into post-lithium battery chemistries, in which aluminium-ion concepts are explored for stationary storage because aluminium is abundant, relatively inexpensive and can support non-flammable electrolyte designs. TasmanIon's stated approach is to build on these advantages while addressing the scalability problem that has hindered other new chemistries: it says its cells can be fabricated using the same production infrastructure used in lithium-ion technology. TasmanIon's technology centres on a patented cathode material that the company says is used in a range of other applications, has a well-known supply profile and is abundant, making it less susceptible to metal price volatility. Its cells use aluminium, which it describes as the most abundant metal in the Earth's crust, and avoid critical metals that it says have an unethical mining profile and an unstable supply chain. The electrolyte is non-flammable, which the company presents as particularly suited to stationary storage, an application tightly regulated with safety and cost as critical design parameters. TasmanIon also claims that its unique materials enable a much higher energy density compared with other batteries used in stationary storage. The company positions its batteries for grid storage and portable applications, aiming to offer a high-performing cell that is safer, sustainable, cost-effective and scalable. Its public messaging frames the venture as part of a sustainable energy revolution, with five recurring themes: cost-effective solutions, enhanced safety, scalable applications, high performance, and a sustainable future based on responsible materials. As of the available public information, TasmanIon remains a privately held early-stage company based in New Zealand, focused on technology development and commercialisation rather than large-scale manufacturing.

  • TasmanIon is founded as a New Zealand startup by researchers from Victoria University of Wellington.

  • Dr Shalini Divya serves as Co-Founder & CEO, leading the company's commercialisation of aluminium-ion batteries.

Products and positioning

Safe, sustainable, cost-effective and scalable aluminium-ion batteries for grid storage and portable applications.

  • Rechargeable aluminium-ion battery cells

    Cells using aluminium and a non-flammable electrolyte, designed for grid storage and portable applications.

  • Patented cathode material

    A cathode material used in a range of other applications, with a well-known supply profile and abundant availability.

Sources3 sources

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