Diagnosing current distributions in batteries with magnetic resonance imaging
Journal of Magnetic Resonance, ISSN: 1090-7807, Vol: 309, Page: 106601
2019
- 32Citations
- 37Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations32
- Citation Indexes31
- 31
- CrossRef8
- Patent Family Citations1
- Patent Families1
- Captures37
- Readers37
- 37
Article Description
Batteries and their defects are notoriously difficult to analyze non-destructively, and consequently, many defects and failures remain little noticed and characterized until they cause grave damage. The measurement of the current density distributions inside a battery could reveal information about deviations from ideal cell behavior, and could thus provide early signs of deterioration or failures. Here, we describe methodology for fast nondestructive assessment and visualization of the effects of current distributions inside Li-ion pouch cells. The technique, based on magnetic resonance imaging (MRI), allows measuring magnetic field maps during charging/discharging. Marked changes in the distributions are observed as a function of the state of charge, and also upon sustaining damage. In particular, it is shown that nonlinearities and asymmetries of current distributions could be mapped at different charge states. Furthermore, hotspots of current flow are also shown to correlate with hotspots in charge storage. This technique could potentially be of great utility in diagnosing the health of cells and their behavior under different charging or environmental conditions.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S109078071930240X; http://dx.doi.org/10.1016/j.jmr.2019.106601; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85072665420&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/31574355; https://linkinghub.elsevier.com/retrieve/pii/S109078071930240X; https://dx.doi.org/10.1016/j.jmr.2019.106601
Elsevier BV
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