Battery manufacturer
Appears in 8 stories · Last updated Nov 8, 2026
Reported largest investor in the round
DeepSeek reportedly raised about $15 billion in October 2026, one of the largest venture rounds ever for a Chinese company. The Hangzhou lab has spent the year arguing that AI can be cheaper to run.
Updated 3 days ago
World's largest battery maker
Samsung SDI's StarPlus Energy plant in Kokomo, Indiana, began mass-producing lithium iron phosphate cells for grid storage in October. Finished battery boxes are due to customers in December, and the company has booked more than 60 gigawatt-hours of US storage orders this year.
Updated Nov 3
As of August 2026: Filed sulfide solid-state patent in March 2026; targeting small-scale production by 2027
A June 2026 investigation backed by more than 20 independent battery experts concluded that Donut Lab's claimed solid-state battery is a conventional lithium-ion cell. Voltage curves at 3.7–3.8V at 50% state of charge and graphite anode expansion signatures matched NMC lithium-ion chemistry — not the sodium-ion solid-state design Donut Lab announced at CES.
Updated Aug 1
As of May 2026: World's largest battery maker; already mass-producing sodium-ion cells
Every rechargeable battery in every electric car carries this vulnerability: if something goes wrong — a puncture, defect, or short circuit — temperatures spike and trigger thermal runaway, a self-feeding chain reaction producing toxic smoke, fire, and sometimes explosions. A team at the Chinese Academy of Sciences published in Nature Energy results on a sodium-ion battery with an electrolyte that automatically solidifies into a physical barrier when heat exceeds 150 degrees Celsius, cutting off thermal runaway before it starts. The battery survived nail-puncture and 300-degree-Celsius oven tests without smoke, fire, or explosion, a first for large-format sodium-ion cells.
Updated May 31
As of May 2026: World's largest battery maker; pursuing its own next-generation battery technologies
The lithium-ion cells in most electric vehicles store about 250 to 300 watt-hours per kilogram. A team from Nankai University and the Shanghai Academy of Spaceflight Technology — which builds Long March rockets and spacecraft power systems — has published results in Nature. The new fluorinated hydrocarbon electrolyte pushes lithium metal batteries to 700 Wh/kg at room temperature and nearly 400 Wh/kg at minus 50 degrees Celsius.
Updated May 30
As of May 2026: Partnering with Quinbrook on eight-hour duration storage
When Tesla built a 100-megawatt battery in South Australia in 2017, it was the world's largest. Eight years later, Australia has become the third-largest grid battery market globally, adding 8.6 gigawatt-hours of storage in 2025 alone—a tripling from the previous year. The country now has nearly 100 grid-forming battery projects in its development pipeline.
Updated May 29
As of May 2026: Launching mass production of sodium-ion batteries in 2026
MIT Technology Review dropped its 25th annual list of breakthrough technologies on January 12, 2026—250 predictions over a quarter century. This year's ten picks span sodium-ion batteries poised to power the next generation of cheap EVs, generative AI that's rewriting how software gets built, and personalized CRISPR treatments custom-made for individual babies.
Updated May 20
As of May 2026: World's largest EV battery manufacturer
On December 29, University of Chicago and Argonne National Laboratory researchers published findings in Nature Nanotechnology that flip battery science on its head. Single-crystal lithium-ion batteries, designed to avoid the grain-boundary cracking that plagued older batteries, are failing anyway — for the exact opposite reason scientists expected.
Updated May 18
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