期刊
JOURNAL OF POWER SOURCES
卷 459, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2020.227882
关键词
Silicon-graphite; Nickel-rich; NMC 811; Incremental capacity; Mechanistic model simulations; Battery degradation mapping
资金
- Spanish Ministry of Science and Innovation [TEC2016-80700-R, TIN2017-84804-R]
- FEDER [TEC2016-80700-R, TIN2017-84804-R]
- Principality of Asturias Government [FC-IDI/2018/000226]
- Santander Group under Grant Movilidad de excelencia para docentes e investigadores
- Fundacion General CSIC (Programa ComFuturo)
- State of Hawai'i [N00014-17-1-2206]
- Asia Pacific Research Initiative for Sustainable Energy Systems (APRISES) [N00014-17-1-2206]
- University of Hawai'i Material Science Consortium for Research and Education
Due to their high energy density, lithium-ion batteries with blended silicon-graphite (Si-Gr) anodes and nickel-rich (NMC) cathodes have been regarded as one of the most promising technologies for next-generation consumer electronics and electric vehicles. However, there are still several technical challenges to overcome for successful wide-spread adoption; in particular, deciphering the degradation phenomena remains complex and challenging, as the blended nature of the electrode creates a new paradigm, with the Si/Gr ratio likely changing with aging. Although ex-situ techniques have been used, a set of in-operando tools that enable diagnosis and prognosis on this technology has yet to be developed. Herein, we present a mechanistic investigation that generates a complete degradation mapping coupled with proposed aging features of interest, to attain accurate diagnosis and prognosis. The mechanistic model allows analyzing aging modes that display incubation periods as a potential prelude to thermodynamic plating, and the identification via incremental capacity of unique silicon features that change predictably as it degrades. A comprehensive look-up table summarizing key features is provided to provide support both to scientists and engineers on designing next-generation battery management systems for this technology.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据