卤元素调控螺芴聚酰亚胺高温储能性能

彭家俊; 何光虎; 罗行; 张斗

doi:10.14028/j.cnki.1003-3726.2026.25.376

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卤元素调控螺芴聚酰亚胺高温储能性能

研究论文 | 更新时间：2026-03-21

- 卤元素调控螺芴聚酰亚胺高温储能性能
  增强出版
- Regulating High Temperature Energy Storage Performance of Spirofluorene Polyimides by Halogens
- 高分子通报 2026年39卷第4期页码：631-642
- 作者机构：
  
  中南大学粉末冶金全国重点实验室　长沙 410083
- 作者简介：
  
  hangluo@csu.edu.cn
- 基金信息：
  
  国家自然科学基金(52172265;52002404)
- DOI：10.14028/j.cnki.1003-3726.2026.25.376
  中图分类号：
- 收稿：2025-12-25，
  
  录用：2026-01-22，
  
  网络首发：2026-03-09，
  
  纸质出版：2026-04-20
- 稿件说明：
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彭家俊, 何光虎, 罗行, 张斗. 卤元素调控螺芴聚酰亚胺高温储能性能. 高分子通报, 2026, 39(4), 631–642.

Peng, J. J.; He, G. H.; Luo, H.; Zhang, D. Regulating high temperature energy storage performance of spirofluorene polyimides by halogens. Polym. Bull. (in Chinese), 2026, 39(4), 631–642.
彭家俊, 何光虎, 罗行, 张斗. 卤元素调控螺芴聚酰亚胺高温储能性能. 高分子通报, 2026, 39(4), 631–642. DOI： 10.14028/j.cnki.1003-3726.2026.25.376.

Peng, J. J.; He, G. H.; Luo, H.; Zhang, D. Regulating high temperature energy storage performance of spirofluorene polyimides by halogens. Polym. Bull. (in Chinese), 2026, 39(4), 631–642. DOI： 10.14028/j.cnki.1003-3726.2026.25.376.

摘要

螺芴聚酰亚胺(spirofluorene polyimide，SFPI)是一类具备大体积刚性螺芴结构的聚酰亚胺(polyimide，PI)，通常拥有较高的玻璃化转变温度(

350 ℃)以及扭曲结构，具备在高温极端环境下开展储能应用的潜力。本研究以SFPI为化学改性基体，除了引入典型卤素改性氟代之外，还对其他卤素(Cl、Br)的取代进行了研究，这也是目前高温电介质聚合物研究较少的方向。通过化学亚胺化法制备得到3种卤代螺芴聚酰亚胺：FFPI(氟取代)、CFPI(氯取代)、BFPI(溴取代)。在150 ℃和储能效率(

)

90%的条件下，其中BFPI的储能密度最高，为

=4.54 J/cm

，相比SFPI(同条件下储能密度

=2.07 J/cm

)提升了100%以上。这表明除了氟代以外，其他卤元素取代也是提升聚合物在高温下储能性能的有效途径。

Abstract

Spirofluorene polyimide (SFPI) is a type of polyimide (PI) with a large-volume rigid spirofluorene structure. It typically exhibits a high glass transition temperature (

350 ℃) and twisted structure

which suggests its potential applicability in extreme environments. In this study

SFPI was employed as the matrix for chemical modification; besides the typical halogen modification of fluorination

substitutions with other halogens (Cl

Br) were also investigated

a research direction that is currently scarce in the field of high-temperature dielectric polymers. In this study

three halogenated SFPIs were synthesized via a one-step chemical polymerization method

namely FFPI (fluorine-substituted)

CFPI (chlorine-substituted)

and BFPI (bromine-substituted). Ultimately

at 150 ℃ and with an energy storage efficiency (

)

90%

BFPI achieved a maximum energy storage density of 4.54 J/cm

which represents an increase of more than 100% compared with SFPI (whose energy storage density was 2.07 J/cm

under the same conditions). This indicates that besides fluorination

substitution with other halogen elements is also an effective approach to enhance the high temperature energy storage performance of polymers.

关键词

Keywords

references

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