LixFePO4におけるリチウムイオンの拡散経路

書誌事項

タイトル別名
  • Experimental Visualization of Lithium Diffusion in LixFePO4
  • Li x FePO4 ニ オケル リチウム イオン ノ カクサン ケイロ

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説明

The lithium ion battery is the most advanced energy storage system, but the application has been limited to portable electronics devices due to cost and safety issues. State-of-the-art LiFePO4 technology has now opened the door for lithium ion batteries to get into the large scale application as plug-in hybrid vehicles. Geometric information on the lithium diffusion is essential to understand the facile electrode reaction of LixFePO4(0 < x < 1), but the previous approach has been limited to the computational prediction. Here, combining high-temperature powder neutron diffraction and the maximum entropy method, lithium distribution along [010] direction was clearly visualized.

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