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학술지 A New Perspective on the Advanced Microblade Cutting Method for Reliable Adhesion Measurement of Composite Electrodes
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저자
송지훈, 신동옥, 변승우, 노영준, 박철, 송주혜, 최재철, 이홍경, 권태순, 이영기, 유명현, 이용민
발행일
202205
출처
Journal of Electrochemical Science and Technology, v.13 no.2, pp.227-236
ISSN
2093-8551
출판사
한국전기화학회
DOI
https://dx.doi.org/10.33961/jecst.2021.00976
협약과제
22ZB1200, ICT 소재·부품·장비 자립기술 및 도전기술 개발, 황치선
초록
The microblade cutting method, so-called SAICAS, is widely used to quantify the adhesion of battery composite electrodes at different depths. However, as the electrode thickness or loading increases, the reliability of adhesion values measured by the conventional method is being called into question more frequently. Thus, herein, a few underestimated parameters, such as friction, deformation energy, side-area effect, and actual peeing area, are carefully revisited with ultrathick composite electrodes of 135 쨉m (6 mAh cm-2). Among them, the existence of side areas and the change in actual peeling area are found to have a significant influence on measured horizontal forces. Thus, especially for ultrahigh electrodes, we can devise a new SAICAS measurement standard: 1) the side-area should be precut and 2) the same actual peeling area must be secured for obtaining reliable adhesion at different depths. This guideline will practically help design more robust composite electrodes for high-energy-density batteries.
KSP 제안 키워드
Adhesion measurement, Area effect, Composite Electrode, Conventional methods, Cutting method, Deformation energy, Different depths, Electrode thickness, High energy density, Measurement standard, horizontal forces
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저작자 표시 - 비영리 (CC BY NC)