Raza Ahsan, Manzoor Tareq, Iqbal Shaukat, Anwar Tauseef, Ashraf Adeel, Manzoor Habib Ullah
School of Systems and Technology, University of Management and Technology, Lahore 54000, Pakistan.
Energy Research Centre, COMSATS university Islamabad, Lahore 54000, Pakistan.
ACS Omega. 2024 Aug 7;9(33):35809-35820. doi: 10.1021/acsomega.4c04445. eCollection 2024 Aug 20.
The main implication of articulating electrolyte performance is studying the energy density, charging aspects, formation of precipitates, thermal fluctuations during charging-discharging, and safety of batteries against fire or spark. One of the most significant aspects is the ability to design colloidal electrolytes that can enhance the overall performance of batteries along with dealing with all internal problems within a battery system. Through this optimization progression, the general performance and efficiency of Li-ion batteries can be improved. This work is presented in the study of the boundary value problem for rheological properties of colloidal electrolytes as a fourth grade fluid for lithium ion (Li-ion) batteries down a vertical cylinder. They have exceptional characteristics, such as low volatility and high thermal stability. The practical usage of the exact flow is restricted, as it involves very complicated integrals. The nonlinear problem that arises is solved by Galerkin's finite element approach based on the weighted-residual formulation, which is used to find the approximate solutions of the fourth-grade problem. This approach utilizes a piecewise linear approximation using linear Lagrange polynomials. Convergence of the solutions, which briefly describes the flow characteristics, includes the effects of the emerging parameters. The results obtained after implementation are not restrictive to small values of the flow parameters. Numerical studies have shown the superior accuracy and lesser computational cost of this scheme in comparison to collocation, the homotopy analysis method, and the homotopy perturbation method. The impact of the relevant parameters is examined through graphical results after implementation of a number of iterations.
阐明电解质性能的主要意义在于研究能量密度、充电方面、沉淀物的形成、充放电过程中的热波动以及电池防火或防火花的安全性。最重要的方面之一是设计胶体电解质的能力，这种电解质既能提高电池的整体性能，又能解决电池系统内部的所有问题。通过这种优化过程，可以提高锂离子电池的一般性能和效率。这项工作体现在对作为锂离子电池垂直圆柱体内四级流体的胶体电解质流变特性的边值问题的研究中。它们具有诸如低挥发性和高热稳定性等特殊特性。精确流动的实际应用受到限制，因为它涉及非常复杂的积分。基于加权残差公式的伽辽金有限元方法解决了出现的非线性问题，该方法用于找到四级问题的近似解。这种方法利用线性拉格朗日多项式进行分段线性近似。简要描述流动特性的解的收敛性包括新出现参数的影响。实施后获得的结果并不局限于流动参数的小值。数值研究表明，与配置法、同伦分析法和同伦摄动法相比，该方案具有更高的精度和更低的计算成本。在进行多次迭代后，通过图形结果检验相关参数的影响。
