Nissan develops new methodology to extend the driving range of zero-emission electric vehicles


Nissan Zero Emission vehicle (2)

With a mission to explore a wide range of energy sources for future automobiles, Nissan Motor Co., Ltd. and Nissan Arc Ltd., together have co-developed a new atomic analysis methodology. This new tech is claimed to be useful in pumping up the performance of lithium-ion batteries. the research was also supported by Tohoku University, the National Institute for Materials Science (NIMS), the Japan Synchrotron Radiation Research Institute (JASRI), and Japan Science and Technology Agency (JST). The new methodology will provide efficiency by extending the driving range of zero-emission electric vehicles.

Nissan Zero Emission vehicle (3)

The research comprised of the following :

  • The structure of amorphous silicon monoxide (SiO) was analyzed
  • SiO is widely seen as key to boosting next-generation lithium-ion battery (Li-ion) capacity.
  • Silicon (Si) is capable of holding greater amounts of lithium, compared with common carbon-based materials
  •  In crystalline form possesses a structure that deteriorates during charging cycles, ultimately impacting performance. However, amorphous SiO is resistant to such deterioration.
  • The new methodology provides an accurate understanding of the amorphous structure of SiO, based on a combination of structural analyses and computer simulations.
  • The atomic structure of SiO was thought to be inhomogeneous, making its precise atomic arrangements the subject of debate.
  • The new findings show that its structure allows the storage of a larger number of Li-ions, in turn leading to better battery performance.

Nissan Zero Emission vehicle (1)

On the new breakthrough, Takao Asami, Senior Vice President of Nissan Motor Co., Ltd. and President of Nissan Arc Ltd. Said that the invention of the new analysis method is essential to further develop the next generation of high-capacity lithium-ion batteries. It will certainly become one of their company’s core technologies. The utilization of the new analysis method in their future R&D will surely contribute to extending the cruising range of future zero-emission vehicles.

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