通过从数据中学习,加速设计高能量密度碳化合物燃料
Linyuan Wen1,2,3, Shiqun Shan4, Weipeng Lai1
1State Key Laboratory of Fluorine & Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute, Xi'an 710065, China.
Molecules (Basel, Switzerland)
|November 14, 2023
概括
研究人员通过分析分子结构,确定了新型高能量密度碳化合物 (HEDH) 燃料. ZD-6证明了优越的燃料性能和与现有基准相比较的合成复杂性,加速了HEDH燃料的开发.
科学领域:
- 计算化学和材料科学.
- 专注于碳化合物燃料设计和财产预测.
背景情况:
- 开发高能量密度碳化合物 (HEDH) 燃料对于先进的应用至关重要.
- 现有的燃料分子往往在能量密度,稳定性和可合成性之间进行权衡.
研究的目的:
- 通过使用数据驱动的设计策略,识别新的HEDH燃料候选者.
- 为优化燃料性能建立结构属性关系.
主要方法:
- 在ZINC20数据库中利用最大的亚结构搜索来识别关键的分子碎片.
- 在物业评估中采用集团贡献方法和密度函数理论 (DFT).
- 使用基于神经网络的模型 (SCScore) 评估合成复杂性.
主要成果:
- 设计和评估了20种新型燃料分子 (ZD-1至ZD-20).
- ZD-6表现出极好的性能,包括高体积净燃烧热量,高特异冲动,低点和可接受的闪点.
- ZD-6的合成复杂性与基准分子syntin. syntin. 的复杂性相当.
结论:
- ZD-6是下一代HEDH燃料的有希望的候选者.
- 数据驱动的方法显著提高了对燃料设计中的结构性能关系的理解.
- 这种方法加速了新能源材料的发现和开发.
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