Addionics hopes to transform electric vehicle sector with smart 3D batteries

Global electric vehicle (EV) sales may be on the rise, with Tesla leading the charge as the dominant player in the sector, but the EV market is still quite small, accounting for just 4.6% of the global automotive sector in 2020. The slow (but steady) growth is attributed to major challenges faced by the industry — primarily the costs, logistics, and size of rechargeable batteries.

As automakers make significant progress toward rolling out more EVs in the coming decade, a move that is expected to transform the transportation sector and hopefully make a dent in a rising climate crisis, car manufacturers and battery tech startups are working to make batteries more efficient, less cumbersome, less expensive, and last longer. (The EV battery recycling sector is a growing market in itself.)

Israeli startup Addionics, founded four years ago in Tel Aviv and London, has been looking to address the issue from a different perspective — not with chemistry, but with architecture. The company has designed smart 3D Electrodes that it says can improve battery performance, capacity, charging time, and lifetime.

“We are changing the architecture of the electrodes, not the chemistry,” Moshiel Biton, co-founder and CEO of Addionics, told The Times of Israel on Wednesday. In doing so, Addionics’ tech can enhance the performance of batteries no matter the type of battery chemistry. The company hopes to “integrate the solution into production lines and make it a core component of the manufacturing process,” Biton added.

Existing battery technologies are currently not fit to support a future of all-electric transportation, Biton explained, mainly because of energy storage. Addionics’ 3D structure design, made with AI algorithms and modeling, delivers high power and high energy by enabling greater loading of active materials, improving heat dissipation and the activation of cooling systems. Its current collector geometries address the thermal, energy density, and mechanical challenges that plague existing batteries, the company claims.

“The advantages and potential of 3D structures have been known for quite some time…but the problem is that no one has found a cost-effective scalable manufacturing solution to produce those metals – and this is exactly our core IP [intellectual property],” Biton explained. “We are able to produce and sell those at a low price that will correspond with the automotive expected prices, and even less than that. There are a few companies that are developing very expensive porous metals that can be used only in non-price-sensitive industries, such as military applications.”

By focusing on architecture and physics, Addionics is “betting on the entire race to make batteries more scalable and safer, not just on chemistry,” where competitors are currently pouring their energies, Biton said. “We are chemistry-agnostic so you can think of us as a complementary solution.”

The tech also addresses safety issues with existing batteries. “Any un-uniformity in the battery chemistry, components, manufacturing process etc, could cause issues in battery behavior and functionality. The un-uniformity can cause high temperatures and hotspots which may lead to battery degradation, failure, and shortcuts that might lead to explosions,” Biton explained.

Even seemingly normal use of a battery can be dangerous. “Using too high a current for fast charging, for example, can cause overheating of the battery,” he said.

Improving manufacturing processes, using high-quality materials, and better battery architecture that improves stability and heat dissipation will reduce to a minimum the risk of safety issues, Biton posited.

Addionics’ edge

Addionics is already working with OEMs (original equipment manufacturers) and Tier I companies on integrating its tech into existing assembly lines. This month, the company announced a new partnership with the Centre for Process Innovation (CPI), a British technology and innovation center, and the University of Warwick’s WMG, an academic department focused on knowledge transfer in engineering and tech, to cooperate on improvements in lithium-ion battery cell performance and manufacturing processes.

The collaboration is known as Project STELLAR (Smart Three-dimensional ELectrode Lithium-ion batteries with Automated Robotics) and is backed by Innovate UK, the government-funded innovation agency. It will focus on automating the fabrication of high-performance, automotive-grade batteries with Addionics’ 3D Smart Electrodes while reducing expenses, production timelines and battery cost, according to the announcement. CPI will help scale up the fabrication of the 3D Electrode designs using robotic systems, and manufacturing will be carried out by WMG.

“Strongly aligned with CPI’s vision for a cleaner environment, Addionics is developing the next generation of energy storage to support the creation of a sustainable energy system,” said Alfredo Ramos, managing director of CPI Enterprises, in a company statement. Addionics’ “revolutionary approach – focusing on physics, rather than just chemistry – promises to deliver a step-change in existing battery performance.”

An illustrative digital image of an electric car charging. (Photo: peterschreiber.media, iStock by Getty Images)

“The project will leverage the latest advancements in manufacturing automation and artificial intelligence to enable a more resilient battery supply for the UK and beyond,” Biton said in the announcement.

Biton’s connection to the UK runs deep. The idea behind Addionics came to him while he was completing his PhD in material science at Imperial College London seven years ago. At the time, exploding cellphone batteries were making international headlines, and he started researching the phenomenon. He then approached his PhD supervisors, Farid Tariq and Vladimir Yufit, and asked them to join him on a journey to deliver safer, better-made batteries.

From left: Dr. Moshiel Biton, CEO and co-founder, Nir Halup, VP R&D, Dr. Farid Tariq, CSO and co-founder, Dr. Vladimir Yufit, CTO and co-founder. (Photo: Addionics)

“They left their lucrative academic careers to do this with me,” Biton joked.

Tariq and Yufit remain in the UK where they lead Addionic’s local activities and serve as CSO (chief scientific officer) and CTO (chief technology officer), respectively.

Meanwhile, Biton moved back to Israel “to benefit from the local ecosystem.”

Electric vehicles and more

Addionics’ new partnership in the UK is one of several running projects the startup is part of, including one with Saint Gobain North America, a major materials manufacturer, to develop next-generation solid-state batteries for EVs.

These collaborations help Addionics industrialize the concept for its solution and take it forward, Biton told the Times of Israel.

But Addionics isn’t looking to become a battery factory, he emphasized. Its tech is purely a “drop-in solution” for existing and future manufacturers.

And not just automakers. Addionics’ rechargeable batteries have a host of applications including aviation and defense, consumer electronics, medical devices and renewable energy.

After all, “batteries are everywhere,” Biton noted.

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