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Breakthrough additive technology for improving the performance of high-power lithium ion batteries

Published online by Cambridge University Press:  01 November 2011

Fu-Ming Wang ,
Chin-Shu Cheng  and
John Rick
Fu-Ming Wang*
Affiliation:
Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; Sustainable Energy Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Chin-Shu Cheng
Affiliation:
Materials and Chemical Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu 31040, Taiwan
John Rick
Affiliation:
Sustainable Energy Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
*
Address all correspondence to Fu-Ming Wang atmccabe@mail.ntust.edu.tw
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Abstract

We report a breakthrough in the field of electrolyte additives for use in lithium ion batteries. Batteries containing maleimide (0.1 wt%) as an electrolyte additive absorbed moisture (H2O) from a high-humidity atmosphere. When compared with batteries without the maleimide and absorbed moisture, the capacity of batteries with the “binary additive” showed improvements of 7.4% and 5.2% in a 0.1C/0.1C cycle test, and 394% and 174% in high-power 3C rate tests conducted at room temperature and 55 °C, respectively. Thus, this innovative additive formation can effectively reduce the requirement for anhydrous conditions during the fabrication and operation of lithium ion batteries.

Type
Rapid Communications
Information
MRS Communications , Volume 2 , Issue 1 , March 2012 , pp. 5 - 7
Copyright
Copyright © Materials Research Society 2011

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