Why lithium-ion battery technology maintains such dominance

Despite the emergence of new storage technologies, lithium-ion batteries retain a dominant position thanks to industrial leadership, improved performance and a high geographic concentration of production capacity.

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Between 2010 and 2024, global battery demand increased more than forty-fold, driven mainly by the growth of electric vehicles. At the same time, average battery prices dropped by over 90%. In 2024, the global battery market was worth around $130bn, exceeding the combined net oil imports of Germany, France and Italy. This shift also transformed the structure of demand: electric vehicle batteries now account for approximately 75%, far ahead of portable electronics, which have fallen to 5%.

A dominance rooted in two main chemistries

The electric vehicle battery market is currently dominated by two types of chemistries: lithium iron phosphate (LFP) and lithium nickel manganese cobalt oxide (NMC), each accounting for about half of the market. LFP is rapidly growing due to its lower cost and longer lifespan, particularly in stationary storage systems. However, supply chains for both chemistries remain highly concentrated in Asia, especially China, raising concerns around supply security and resilience.

Despite these risks, innovation in alternative technologies has not yet broken this dominance. Advances in sodium-ion batteries, for example, have led to early commercial applications in China since 2023, but this technology remains cost-effective only in the context of high lithium prices or with significant improvements in energy density.

Promising innovations constrained by industrialisation

Solid-state batteries, which offer potential for longer range and better safety, have attracted major investments, but production remains limited. BYD plans to launch commercially in 2027, with mass production expected by 2030. Toyota and Samsung have announced similar timelines. However, these technologies are still in the prototype phase, and integrating them into large-scale vehicles remains uncertain.

Lithium-sulphur batteries are being explored for specialised applications, particularly in the defence sector. They offer higher energy density per kilogram but require more space for the same energy capacity, limiting their appeal for conventional electric vehicles.

Technological lock-in persists at the production level

The vast majority of battery production capacity planned by 2030 remains focused on lithium-ion technology, with 95% of projects aligned with this chemistry. In comparison, solid-state batteries represent only about 1% of planned capacity, and sodium-ion about 4%. Moreover, 80% of these alternative projects are located in China, limiting their global reach.

Industrial data highlights the lead taken by established manufacturers. In 2024, Chinese firm CATL invested over $2.5bn in research and development, employing more than 20,000 researchers. Meanwhile, fundraising for battery start-ups fell from more than $7bn in 2021 to around $2bn in 2024, making it harder for new players to enter the market.

Targeted opportunities in high-value segments

Even if emerging technologies are expected to capture only a limited share of the market by 2030, the sector’s rapid growth provides room for manoeuvre. Premium segments, where customers seek high performance and range, may allow new entrants to position themselves by capitalising on higher margins.

The ability to scale up quickly, manage supply chains and build a skilled workforce will remain decisive. Actors capable of transferring these capabilities to new chemistries will have a greater chance of competing with lithium-ion leaders. For now, current dominance depends as much on technology as on the industrial ecosystem built around it.

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Daiwa Energy & Infrastructure has launched a 38MW grid-scale battery system in Chitose, aiming for commissioning in 2027, as part of its deployment of high-voltage storage assets across Japan.
Menlo Digital has started construction on its MD-DC1 data centre in Herndon, marking a key step in its national development programme exceeding 1.8 GW.
Finnish energy company Vantaan Energia has selected Elisa Industriq’s Gridle service to operate its new energy storage system in Rekola, supporting national grid flexibility.
US-based Eos Energy will supply up to 750 MWh of zinc-based storage systems to MN8 Energy, targeting high-demand projects such as data centres and industrial facilities.
Eos Energy and Talen Energy partner to develop multiple energy storage projects in Pennsylvania to meet rising electricity demand driven by AI and cloud computing growth.
NEO Battery Materials will supply high energy density batteries to a South Korean industrial robotics company under a $2.5M CAD order and joint development agreement over two years.
US-based battery storage developer Bimergen Energy has appointed Cole Johnson and Robert Brilon as co-CEOs to execute a large-scale industrial plan backed by $250 mn in recent funding.
Trina Storage has introduced its new Elementa 3 energy storage system, engineered for the Gulf’s extreme conditions and aimed at boosting energy density while lowering operating costs.
Japanese company Sun Village has connected its first energy storage facility to the grid and formalised a strategic partnership with Marubeni Power Retail to operate the asset on electricity markets.
Lightshift Energy has secured $75mn in funding from KeyBanc to support six operational projects and launch ten more, in response to rising demand for electric storage on the US East Coast.
Austrian battery optimisation specialist enspired enters Japan in partnership with Banpu NEXT, backed by a Series B extension to over €40mn.
Ameresco has completed a 50 MW battery storage system to support Nucor’s expansion in Arizona, marking one of the largest behind-the-meter industrial projects in the United States.
Rondo Energy has launched commercial operations of the world’s largest industrial heat battery, delivering 24-hour steam from off-grid solar power.
SUNOTEC expands in the Bulgarian market with seven projects combining battery and solar, totalling 763 MWh of storage and 115 MWp of photovoltaic capacity.
Danish fund Copenhagen Infrastructure IV transfers half of its stake in the UK-based Coalburn 2 project to AIP Management, strengthening AIP's energy storage portfolio in the United Kingdom.
Lyten has completed the acquisition of the Northvolt Dwa site in Poland, Europe’s largest energy storage system factory, and plans to deliver its first commercial units before the end of 2025.
SNG Holdings launched trial operations of a 2MW/6MWh energy storage facility in Gotemba, backed by Digital Grid and PHOTON, ahead of commercial commissioning scheduled for November.
The Winchester project will combine 160 MW of storage with two 80 MW solar plants in Cochise County, with delivery expected in early 2027.
Greenflash Infrastructure has acquired a 200 MW standalone storage project in Texas, marking a strategic asset transfer aimed at reinforcing local grid reliability.

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