鋰離子電池由於其優異的循環效率和相當高的能量密度，在任何電子設備的發展和成功中起著至關重要的作用。 然而，在研究上仍然存在許多困難，例如，理解並改善導致電池功率和比容量衰减的降解過程，以及修改和表徵新的化合物，用於改善電化學特性、减少有害物質和降低成本。 在這種情況下，電池單元測試是檢查鋰離子電池效能的基本且相當重要的技術。
第一部分探討了雙馬來酰亞胺 (BMI)/巴比妥酸 (BTA) [2/1 (mol/mol)]添加劑加入Jeffamine®(BJB)後對鋰離子電池的影響。將不同的添加量的BJB添加劑(1%、1.2% 和1.5%相對於正極活性材料)加入正極活性材料中(LiNi0.8Co0.1Mn0.1O2 (LNCM811))，評估鋰傳輸過程的動力學。為了評估這些添加劑對電池性能的影響，在本論文中還分析了常溫（25 ℃）和不同C倍率下的充放電測試；循環伏安法（CV）；電化學阻抗譜 (EIS) 以及擴散係數的計算、EIS 模型擬合和高溫 (55oC) 下的儲存穩定性結果。因此，低負載重量的 LNCM811 與 1% 的 BJB 2/1/1 (mol/mol/mol) 的組合顯示出比其他百分比的添加劑、Benchmark (BMI/BTA 2/1 mol/mol)和沒有添加劑(Blank)樣品更好的電化學性能。
此外，第二部分將提供在NMP和BTA 存在下，BMI 與 Jeffamine 的非等溫聚合動力學的定量信息。具體而言，該數據通過差示掃描量熱法（DSC）和凝膠滲透色譜法（GPC）檢查。無模型和模型擬合方法均用於證明等轉化活化能（Eα）和指前因子（Aα），平均分別為74.4 kJ mol-1和1.32x1011 min-1；反應模型為 f(α) = 2.401(1-α)[-ln(1-α)]1.401/2.401。另一方面，當α介於0.1和0.9之間時，Eα從大約 84 kJ/mol 逐漸降低到超過 65 kJ/mol。

Lithium-ion batteries play a crucial part in the evolution and success of any electrical gadgets due to their potential cycling efficiency, and their fairly high energy ability. However, there are still numerous research hurdles existing, for instance, comprehending and limiting the degradation processes that cause the batteries power and specific capacity decay, as well as modifying and characterizing new formula for improving the electrochemistry characteristics, harmful mitigation, and costs reduction. In this scenario, battery cell testing is not only a basic but also extremely significant technique to inspect the lithium-ion batteries performance.
In the first part, the effects on lithium-ion battery of N,N’-bismaleimide-4,4’-diphenylmethane (BMI)/barbituric acid (BTA) [2/1 (mol/mol)] with the presence and absence of Jeffamine® (BJB) were applied. Simultaneously, the different additive amounts compare to the active material – LiNi0.8Co0.1Mn0.1O2, (LNCM811), which are 1% - 1.2% and 1.5%, were used to assess the dynamics of the lithium transport procedure. To evaluate the effect of these additives on the battery performance, the thesis also analyzes charge and discharge tests at normal temperature (25oC), high temperature (55oC), and at different C-rates; cyclic voltammetry (CV); electrochemical impedance spectroscopy (EIS) as well as the calculation in diffusion coefficience, EIS model fitting and the storage stability at high temperature (55oC) results. Consequently, the combination of LNCM811 at low loading weight with 1% of BJB 2/1/1 (mol/mol/mol) shows better electrochemical properties than the other percentages of additive, Benchmark (BMI/BTA 2/1 mol/mol) and the one without additive (blank).
In addition, the second part will provide quantitative information on the kinetics of non-isothermal polymerization of BMI with Jeffamine in the existence of N-Methyl-2-pyrrolidone (NMP) and BTA. Specifically, this data is inspected by the differential scanning calorimetry (DSC) and gel permeation chromatography (GPC). Both model-free and model-fitting methods were used to demonstrate the isoconversional activation energy (E_α) and pre-exponential factor (A_α) , which are 74.4 kJ.mol-1 and 1.32x1011 min-1 on average, respectively; and the reaction model is f(α) = 2.401 (1- α)[-ln〖(1-α)]〗^(1.401/2.401). On the other hand, E_α gradually decreases from around 84 kJ/mol to over 65 kJ/mol when α ranges between 0.1 and 0.9.

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