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Paper Abstract and Keywords
Presentation 2020-03-05 13:25
Non-Negative Matirx Factrization for 2D-XAS Images of Lithium Ion Batteries
Hiroki Tanimoto (Tokyo Tech), Masaishiro Mizumaki (JASRI), Yoshiki Seno (Saga prefectural regional industry support center), Ichiro Akai (Kumamoto Univ.), Toru Aonishi (Tokyo Tech) NC2019-95
Abstract (in Japanese) (See Japanese page) 
(in English) Lithium ion batteries used in a wide variety of fields such as mobile devices and electric vehicles, and their performance demanded to be improved. Lithium ion batteries have a spatially non-uniform reaction during charging and discharging. The non-uniform spatial structure and its physical properties are not completly understood. Therefore, in this presentation, applying non-negative matrix factorization (NMF) to the Co-K edge 2D-XAS images of the lithium ion batteries, we will decompose the images into spatial components and their corresponding absorption spectra, and examine whether they can be physically interpreted.
Keyword (in Japanese) (See Japanese page) 
(in English) 2D-XAS / Non-Negative Matrix Factrization / k-means clustering / Imaging / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 453, NC2019-95, pp. 113-118, March 2020.
Paper # NC2019-95 
Date of Issue 2020-02-26 (NC) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NC2019-95

Conference Information
Committee NC MBE  
Conference Date 2020-03-04 - 2020-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Electro Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Neuro Computing, Medical Engineering, etc. 
Paper Information
Registration To NC 
Conference Code 2020-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Non-Negative Matirx Factrization for 2D-XAS Images of Lithium Ion Batteries 
Sub Title (in English)  
Keyword(1) 2D-XAS  
Keyword(2) Non-Negative Matrix Factrization  
Keyword(3) k-means clustering  
Keyword(4) Imaging  
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Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroki Tanimoto  
1st Author's Affiliation Tokyo Institite of Technology (Tokyo Tech)
2nd Author's Name Masaishiro Mizumaki  
2nd Author's Affiliation Japan Synchrotron Radiation Research Institute (JASRI)
3rd Author's Name Yoshiki Seno  
3rd Author's Affiliation Saga prefectural regional industry support center (Saga prefectural regional industry support center)
4th Author's Name Ichiro Akai  
4th Author's Affiliation Kumamoto University (Kumamoto Univ.)
5th Author's Name Toru Aonishi  
5th Author's Affiliation Tokyo Institite of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2020-03-05 13:25:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2019-95 
Volume (vol) vol.119 
Number (no) no.453 
Page pp.113-118 
#Pages
Date of Issue 2020-02-26 (NC) 


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