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Making anodes for super-fast charging batteries

By Mary Page Bailey |

A new process for producing lithium titanate oxide (LTO) anode materials could lead to smaller batteries with ultrafast recharging. LTO offers a significantly higher surface area than graphite anode materials, which enables rapid electron transit and, ultimately, much faster recharging of batteries. In addition to fast charging, LTO materials are also said to enhance overall battery life and reduce risks for battery overheating. Neometals Ltd. (West Perth, Australia; www.neometals.com) is developing a production process for novel LTO nanotubes with extremely high surface area. The process is based on Neometals’ method for producing sodium titanate nanotubes, which the company uses as an adsorption media in its technology to extract lithium directly from brine. Neometals has run tests on the LTO anode materials over 100 cycles (425 h) at a facility in the U.S., and plans are in place to scale up these tests for 500 cycles using materials from Netometals’ Barrambie Titanium and Mount Marion Lithium Projects. When compared to commercially available LTO anodes, the LTO nanotube materials exhibited better electrochemical performance and capacity. The large surface area provides many benefits for electric-car batteries, including a…
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