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基于阴离子工程的能量Cu (II) 基复合体,以平衡高能量和低灵敏度
Chao Zhang1, Shaoqun Li1,2, Tingwei Wang1,3
1State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing 100081, China.
Inorganic chemistry
|October 22, 2025
概括
研究人员通过调节离子来开发基于铜的新型能量复合物,以平衡激光敏感原始爆炸物 (LSPEs) 的能量释放和安全性. 双离子系统在低机械灵敏度下实现了高能输出,为先进爆炸物提供了新的设计策略.
科学领域:
- 材料科学 材料科学 材料科学
- 化学 化学 化学
- 能量材料 能量材料
背景情况:
- 激光敏感原始爆炸物 (LSPEs) 需要在释放能量效率和机械安全之间保持平衡,这是一种阻碍实际应用的挑战.
- 现有的LSPEs往往会损害性能安全或反之,需要创新的分子设计策略.
- 阳离子调节是一种有前途的方法来调整能量材料的特性.
研究的目的:
- 开发基于铜的新型能源复合物,具有更好的安全性和性能特性.
- 调查不同离子 (酸盐和酸盐) 对LSPEs性能的协同作用.
- 为设计下一代LSPEs建立定量结构-财产关系.
主要方法:
- 合成了三种新的基于铜 (II) 的能量复合物,使用质子化氨-4-碳水化合物 ([HPDCA]+) 和酸盐/酸盐离子.
- 包括FT-IR,单晶XRD,PXRD和SEM/EDS在内的全面表征.
- 量子化学计算以阐明阴离子介导的协同作用,并建立结构-属性关系.
主要成果:
- 成功合成了三种双结构铜 (II) 复合物:Cu (HPDCA) 2 (H2O) 3 (NO3) 4 (ECC-1),Cu (HPDCA) 2 (ClO4) 4 (ECC-2),以及Cu (HPDCA) 2 (NO3) 2 (ClO4) 2 (ECC-3).
- 双离子系统 (ECC-3) 在高能量输出 (爆炸速度:7330 m s-1) 和低机械灵敏度 (摩擦灵敏度:18 N) 之间取得了平衡.
- 建立了一个定量结构-属性关系,将离子配置,协调键强度,键密度,分解动力学和灵敏度值联系起来.
结论:
- 离子协同调节是一种有效的策略,用于平衡LSPEs中的能量释放效率和机械安全.
- ECC-3中的双离子系统实现了功能分离,酸盐离子增强了稳定性,酸盐离子优化了能量释放.
- 这项工作提供了一种新的分子设计策略,用于开发更安全,高性能的下一代LSPEs.
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