What is it about?
We have shown for the first time that the surface structure of high-voltage LNMO particle, the size and morphology of the LNMO particles will greatly change the reaction propagation within single LNMO particles.
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Why is it important?
Visualization of reaction pathway inside the real battery electrodes will resolve many uncertainties about the reaction mechanism, battery degradation et al but the available techniques are rare. This is the first paper to demonstrate that synchrotron based STXM can do this job very well.
Perspectives
The reported "unexpected" phase behavior within the real composite electrodes in this paper just remind us that there are many unexpected things in research and this is why we are so enjoying as a researcher.
jigang zhou
Canadian Light Source Inc
Read the Original
This page is a summary of: Unexpected phase separation in Li1−xNi0.5Mn1.5O4 within a porous composite electrode, Chemical Communications, January 2018, Royal Society of Chemistry,
DOI: 10.1039/c8cc01866a.
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Resources
ResearcherID
advanced characterization of material for sustainable energy ( 10 years on site XANES, SR-XPS, STXM and PEEM experience) and electrochemical engineering (20 yesrs hands on battery R&D and field work experience) . Work with world-class companies and research groups at Chevron,Stanford, MIT, NRC,and National labs to provide fundamental understanding on materials for achieving a rational design of better performanced Li-air battery, Li ion battery, fuel cell and higher efficient solar fuel devices. Reaerch interests: 1) develope the characterization methodology in understanding the chemical bonding in hybrid nanomaterials and its evolution when being used in battery, fuel cell, and water splitting;2) apply the deep fundamental understing of materials and their behaviour in energy storge for rational design of future generation high performance materials.
ResearcherID
advanced characterization of material for sustainable energy ( 10 years on site XANES, SR-XPS, STXM and PEEM experience) and electrochemical engineering (20 yesrs hands on battery R&D and field work experience) . Work with world-class companies and research groups at Chevron,Stanford, MIT, NRC,and National labs to provide fundamental understanding on materials for achieving a rational design of better performanced Li-air battery, Li ion battery, fuel cell and higher efficient solar fuel devices. Reaerch interests: 1) develope the characterization methodology in understanding the chemical bonding in hybrid nanomaterials and its evolution when being used in battery, fuel cell, and water splitting;2) apply the deep fundamental understing of materials and their behaviour in energy storge for rational design of future generation high performance materials.
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