Battery manufacturer Amprius Technologies is on a mission to reduce EV charging times. The company’s Amprius Extreme Fast Charge feature is enabled by its proprietary Si-Nanowire anode, which is thinner and lighter than conventional graphite anodes, and has much higher conductivity due to the high electrical continuity between silicon and the current collector. The Si-Nanowire… Read more »
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OneD unveils new silicon-based battery technology
OneD Battery Sciences has introduced SINANODE, a technology to power the next generation of silicon-based EV batteries. The SINANODE process fuses silicon nanowires onto commercial graphite powders, which the company says triples the energy density of the anode while cutting its cost per kWh in half. The higher energy density increases battery range while nanowires… Read more »
Silicon anode nanostructure could increase battery capacity and lifespan
Image caption: In the first stage, the silicon film exists as a rigid but wobbly columnar structure. In the second stage, the columns touch at the top, forming a vaulted structure, which is strong due to arch action. In the third stage, further deposition of silicon atoms results in a sponge-like structure. The red dashed… Read more »
Sila Nanotechnologies raises $590 million in funding
Sila Nanotechnologies, a maker of battery materials, announced that it raised $590 million in Series F funding at a $3.3 billion post-money valuation. The new funding comes as the first Sila Nano-powered batteries prepare to ship in consumer devices and the company scales up production. Sila Nano will use the funds to develop a new… Read more »
Xtalic develops new nanostructured alloys for EV applications
Nanostructure specialist Xtalic has created new nanostructured metal alloys and coatings for EV applications, including: • Extending the life of charging connectors • Producing stable components for high-temperature environments • Lightweighting • Improving corrosion resistance Equipped with Xtalic’s nanostructured allows, XTRONIC and LUNA, charging connectors achieve more than 10,000 charge cycles in real-world conditions, according… Read more »
Tokyo researchers improve battery performance with nanodots
Researchers from the Tokyo Institute of Technology and Okayama University have demonstrated a way to improve the performance of lithium-ion batteries by coating the LiCoO2 cathode in BaTiO3 nanodots. The research could lead to EV batteries that charge quicker and last longer. The researchers fabricated three LiCoO2 cathodes: one bare, one coated with a planar… Read more »
ELANTAS increases electric motor longevity with nanoparticle-infused insulation
Protecting against dielectric fatigue Like the engines in conventional vehicles, the electric motors in EVs are designed for longevity, but every device will wear out eventually. While motors have many fewer moving parts than ICEs, they are under considerable electrical and mechanical stress. A properly designed electric motor should have a useful life that far… Read more »
VW invests $10 million in battery start-up Forge Nano
Volkswagen is investing $10 million in Colorado-based startup Forge Nano, which is researching a material coating technology that could improve the performance of battery materials. Volkswagen will provide support for industrial trials of this technology. Forge Nano is headquartered in Louisville, Colorado, and is researching processes for scaling atomic layer deposition (ALD) to create new… Read more »
Amprius’s silicon nanowire batteries power the Zephyr S HAPS solar aircraft
Battery manufacturer Amprius is supplying lithium-ion cells to Airbus’s Zephyr program. Using Amprius’s cells, which contain a 100% silicon anode, the Zephyr S solar-powered unmanned aerial vehicle (UAV) recently flew more than 25 days, setting a new record for stratospheric flight. The Zephyr S is a high-altitude pseudo-satellite (HAPS), which combines the persistence of a… Read more »
NanoGraf’s graphene-wrapped silicon anode is designed to boost both energy and power density
SiNode Systems, a Chicago-based materials developer, and JNC, a Tokyo-based specialty chemical manufacturer, have announced the formation of NanoGraf, a joint venture focused on commercializing materials for the Li-ion battery industry. Via the new JV, NanoGraf will gain production facilities in Japan, expanded global distribution channels, over 50 patents, and two research facilities. NanoGraf’s technology… Read more »