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Failure analysis is carried out in an irregular way because failure occurred in different situations with different phenomena. Experiences are usually needed to do failure analysis. When a new failure case occurs, it is difficult to make an effective scheme to implement the failure analysis without experiences. To solve this problem, an analysis method based on reliability physics is proposed in this...
A multi-physics model is developed based on P2D model, including the electrochemical part, thermal part and the temperature distribution. It can simulate the physical and chemical phenomena from the scale of the active particles to the scale of whole battery. The charging optimization is also investigated, two internal characteristics, which can only be calculated by the proposed model, are treated...
In this article, Li+ initial inserted rate and stoichiometric window of electrode materials in Li-ion batteries are identified using Multi-Objective Genetic Algorithm (MOGA). The article is motivated by the problem of fitting both the OCP model and incremental capacity analysis (ICA) curve, which comes from OCP curve and has higher parameter sensitivity, of batteries to those experimental data. A...
Impedance model contains a lot of information that can indicate performance of battery. Therefore, establishment of accurate impedance model is very important. In this paper, impedance model of Li-ion battery is examined by electrochemical mechanisms analysis and experimental measurement. The basis for the form of the model has been linked to internal processes of the battery and validated using experimental...
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