Battery boffins are buzzing about silicon anodes, which could store up to 10 times more energy than today’s anodes. The catch is that silicon particles tend to swell and crack during cycling, and to react with the electrolyte in unwanted ways. Now a team from Stanford University and the Department of Energy’s SLAC National Accelerator… Read more »
Search Results Found For: "silicon anode"
Paraclete Energy finds a way to make silicon anodes with good cycling performance
Silicon’s high theoretical charge capacity has inspired a tremendous amount of research into the possibility of using it to replace at least part of the graphite in lithium-ion battery anodes. However, Si presents major technical challenges. It can undergo a volume change of up to 300% during charging and discharging, limiting cycle life. Michigan-based Paraclete… Read more »
Tesla tweaks its battery chemistry: a closer look at silicon anode development
In mid-July, Tesla Motors made a trio of Model S update announcements. The new options included a 70 kWh rear-wheel-drive base model, an upgrade for the high-end battery pack from 85 to 90 kWh (providing about a 6% increase in range), and Ludicrous mode, which offers a 10% improvement in the car’s 0 to 60… Read more »
OneD and Koch Modular partner to produce silicon-graphite anode materials for EV batteries
OneD Battery Sciences, a nanotechnology startup, and Koch Modular Process Systems, a process engineering design and modular construction company, have announced a strategic partnership to mass-produce silicon-graphite anode materials for EVs. Koch Modular’s silane gas manufacturing expertise and OneD’s SINANODE technology transform silane into nano-silicon in EV cell-qualified graphite anodes. This partnership will process and… Read more »
Alkegen launches commercial production of new silicon battery anode material
Specialty materials developer Alkegen has begun commercial production of SiFAB, its new silicon fiber anode material, at its manufacturing facility in New Carlisle, Indiana. Large-scale production of the product, says Alkegen CEO John Dandolph, is intended “to meet growing demand from customers across a wide range of industries, including EVs, renewable energy storage and consumer… Read more »
New drop-in-replacement nanocomposite silicon-based anode powder enables 20% more Li-ion energy density
As we begin the transition from fossil fuel dependency to clean and renewable-based energy, the world needs proven, dependable and tangible examples of sustainable products. In this session, Kurt Kelty, Sila’s VP of Commercialization, will discuss how innovative drop-in-replacement nanocomposite, silicon-based anode powder enables up to 20% more energy density today over state-of-the-art lithium-ion cells with… Read more »
NEO announces plans to integrate recycled silicon into anode materials
NEO, a developer of silicon anode materials, reports that it has signed an MOU with an undisclosed Asia-based producer of high-purity silicon powder derived by recycling silicon by-product waste from solar photovoltaic cell and semiconductor manufacturing. The purpose, says NEO, is to significantly enhance price competitiveness of silicon anode materials for EV batteries by integrating… Read more »
Researchers find less than 1% volume expansion in pouch cells with E-magy’s silicon-dominant anodes
Researchers from the German research institute ZSW and the Dutch battery company E-magy have studied cell expansion in lithium-ion pouch cells with silicon-dominant anodes. The research assessed volume expansion in cells with NMC cathodes and E-magy’s nano-porous silicon anodes through 100 cycles. “E-magy has developed a nano-porous silicon which absorbs the expansion in the nano… Read more »
Farasis and Group14 say their silicon-carbon anode delivers 330 Wh/kg
Farasis Energy and Group14 Technologies have developed a new silicon-based anode for an EV-scale battery. In cells built and tested by Farasis using Group14’s silicon-carbon anode material SCC55, the company says it can reach a specific energy of 330 Wh/kg (750 Wh/L energy density) in typical automotive cells, and deliver more than 1,000 charge-discharge cycles…. Read more »