电石渣混合碳化玉米纤维复合相变储热材料制备与性能研究

李萌; 熊亚选; 闫京; 尹美超; 苏娅楠; 吴玉庭; 丁玉龙

doi:10.19666/j.rlfd.202507130

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电石渣混合碳化玉米纤维复合相变储热材料制备与性能研究

热力发电 2026年55卷第2期页码：1-12

储能材料、装置及系统 | 更新时间：2026-08-07

- 电石渣混合碳化玉米纤维复合相变储热材料制备与性能研究
- 电石渣混合碳化玉米纤维复合相变储热材料制备与性能研究
- 作者机构：
  
  1. 北京建筑大学供热供燃气通风及空调工程北京市重点实验室
  2. 北京天岳恒房屋经营管理有限公司
  3. 北京工业大学传热与能源利用北京市重点实验室
  4. 伯明翰大学伯明翰储能中心
- 作者简介：
- 基金信息：
  
  国家重点研发计划项目（2022YFB2405202）;北京市教委科技一般项目（KM202210005016）~~
- DOI：10.19666/j.rlfd.202507130
  中图分类号： TB34
- 纸质出版：2026
- 稿件说明：
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[1]李萌,熊亚选,闫京,等.电石渣混合碳化玉米纤维复合相变储热材料制备与性能研究[J].热力发电,2026,55(02):1-12.
[1]李萌,熊亚选,闫京,等.电石渣混合碳化玉米纤维复合相变储热材料制备与性能研究[J].热力发电,2026,55(02):1-12. DOI： 10.19666/j.rlfd.202507130.

DOI：10.19666/j.rlfd.202507130.

摘要

【目的】为充分挖掘电石渣和玉米芯在资源化利用方面的巨大潜力，以满足固废资源化与低碳储能需求。【方法】以工业固废电石渣与农业固废碳化玉米纤维为二元骨架材料，石蜡为相变介质，采用真空浸渍工艺制备复合相变储热材料并优化工艺参数。【结果】结果发现：该材料在电石渣/碳化玉米纤维质量比5:5时封装性能最佳，经600次热循环后仍保持结构稳定；样品SC-5的熔融与凝固潜热可达34.90、36.35 J/g，导热系数0.484 W/(m·K)，表明其兼具良好的热稳定性与化学相容性；微观分析发现骨架材料形成致密多孔结构，可有效抑制石蜡渗漏；循环后的材料无新化学键生成，元素分布均匀。【结论】该研究为工农固废协同资源化提供了新路径，在建筑节能、工业余热回收及电子温控领域具有应用潜力。

Abstract

[Objective] To fully dig the enormous potential of carbide slag and corn cob in resource utilization

thus to meet the demands of colid waste recycling and low-carbon energy storage. [Methods] A novel composite phasechange thermal energy storage material was prepared using industrial solid waste carbide slag and agricultural solid waste carbonized corn fiber as the binary skeleton material

and with paraffin as the phase-change medium. The composites were synthesized via vacuum impregnation

and process parameters were optimized. [Results] The results showed that the material exhibited optimal encapsulation performance at a carbide slag-to-carbonized corn fiber mass ratio of 5:5

maintaining structural stability after 600 thermal cycles. The optimal sample SC-5 achieved melting and solidification latent heats of 34.90 and 36.35 J/g

respectively

with a thermal conductivity of 0.484 W/(m·K)

indicating good thermal stability and chemical compatibility. Microstructural analysis revealed that the skeleton materials formed a dense microporous structure

effectively mitigating paraffin leakage. Post-cycling material analysis indicated no new chemical bonds and maintained elemental homogeneity. [Conclusion] This work provides a novel pathway for synergistic valorization of industrial and agricultural solid wastes

demonstrating significant application potential in building energy conservation

industrial waste heat recovery

and thermal management of electronics.

关键词

Keywords

references

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