The Energy Research Centre of the Netherlands (ECN) has developed a new lithium-ion battery energy storage technology, which is said to increase the storage capacity of rechargeable batteries by 50%.
In order to commercialize this new invention, ECN also established a startup company-LeydenJarTechnologies.
This technology uses pure silicon anodes instead of graphite anodes traditionally used in lithium-ion batteries, thereby increasing the component storage capacity of lithium-ion batteries by 10 times and the storage capacity of the entire battery by 50%. However, the problem with the use of silicon crystals is that when the battery is charged, it will expand, which increases the size of the component by three times, which may make the silicon layer brittle and cause the battery material to crack.
ECN uses plasma-based nanotechnology to arrange silicon pillars on copper foil to create enough space for possible expansion and keep the battery stable. For commercial applications, this silicon layer will eventually be as thin as 10 microns, which is almost 10 times thinner than a piece of paper.
ECN researcher Wim Soppe has been exploring this material since he started developing thin-film solar cells 12 years ago. He said, "For solar cells, this material is not stable, but we found that this technology has great potential for lithium-ion batteries."
SjoerdWittkampf, ECN's technology transfer manager, said that the world has invested heavily in research and hopes to further improve lithium-ion batteries. "In this regard, major breakthroughs are announced almost every few weeks. These new discoveries usually focus on materials that can only be produced on a small scale in a laboratory environment."
"The reason why ECN's development results are so promising is that the technology for mass production of this material is close at hand, because it is similar to the current production process for solar cells. We believe that this will help We bring unique advantages. After the establishment of LeydenJarTechnologies, we will transfer this technology and finally bring it to the market, seeking the best fit between the battery industry and venture capitalists (VC).
LeydenJarTechnologies co-founder ChrisTIanRood said, "Due to the widespread use of lithium-ion batteries, the newly established company will focus on three important market areas, namely electric vehicles (EV), consumer electronics, and renewable energy storage."
"The goal is to supply technology for large battery manufacturers. In the future demonstration plant, we hope to produce silicon anodes for the first batch of customers and demonstrate the competitiveness of this technology in mass production."
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