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Updated: Jul 27, 2026

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在高压电极LixNi0.5Mn1.5O4中的结构相变的实体空间成像

Yifei Sun1, Sunny Hy2, Nelson Hua3,4

  • 1Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA.

Nature communications
|December 31, 2024
PubMed
概括

电池电极中的不连续相位转换是性能的关键. 操作布拉格连贯衍射成像 (BCDI) 揭示了富相如何在循环过程中在LixNi0.5Mn1.5O4颗粒中核和生长.

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相关概念视频

The Electrical Double Layer01:30

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...