A criterion combined of bulk and surface lithium storage to predict the capacity of porous carbon lithium‑ion battery anodes: lithium‑ion battery anode capacity prediction
(주)코리아스칼라
- 최초 등록일
- 2023.05.08
- 최종 저작일
- 2021.10
- 6페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 31권 / 5호
ㆍ저자명 : Majid Shaker, Ali Asghar Sadeghi Ghazvini, Faisal Raza Qureshi, Reza Riahifar
목차
Abstract
1 Introduction
2 Model setup
2.1 Graphite
2.2 Disordered carbons
2.3 Surface capacity
2.4 Total capacity
3 Model verification
4 Conclusions
Acknowledgements
References
영어 초록
The high level of lithium storage in synthetic porous carbons has necessitated the development of accurate models for estimating the specific capacity of carbon-based lithium-ion battery (LIB) anodes. To date, various models have been developed to estimate the storage capacity of lithium in carbonaceous materials. However, these models are complex and do not take into account the effect of porosity in their estimations. In this paper, a novel model is proposed to predict the specific capacity of porous carbon LIB anodes. For this purpose, a new factor is introduced, which is called normalized surface area. Considering this factor, the contribution of surface lithium storage can be added to the lithium stored in the bulk to have a better prediction. The novel model proposed in this study is able to estimate the lithium storage capacity of LIB anodes based on the porosity of porous carbons for the first time. Benefiting porosity value (specific surface area) makes the predictions quick, facile, and sensible for the scientists and experts designing LIBs using porous carbon anodes. The predicted capacities were compared with that of the literature reported by experimental works. The remarkable consistency of the measured and predicted capacities of the LIB anodes also confirms the validity of the approach and its reliability for further predictions.
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