Preparation and phase change performance of Na2HPO4·12H2O@poly (lactic acid) capsules for thermal energy storage

Na Fan; Lang Chen; Guoyong Xie; Donghong Yin; Chak-Tong Au; Shuangfeng Yin

doi:10.1016/j.cjche.2018.05.017

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Preparation and phase change performance of Na₂HPO₄·12H₂O@poly (lactic acid) capsules for thermal energy storage

Materials and Product Engineering | Updated：2026-01-06

- Preparation and phase change performance of Na₂HPO₄·12H₂O@poly (lactic acid) capsules for thermal energy storage
- Preparation and phase change performance of Na₂HPO₄·12H₂O@poly (lactic acid) capsules for thermal energy storage
- 中国化学工程学报（英文版） 2019年27卷第3期页码：695-700
- Affiliations：
  
  1. 2 Hunan Tobacco Industry Co., Ltd.,Changsha,China,410019
  2. 3 College of Chemistry and Chemical Engineering, Hunan Institute of Engineering,Xiangtan,China,411104
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.05.017
  中图分类号：
- 纸质出版：2019
- Accepted：
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Na Fan, Lang Chen, Guoyong Xie, 等. Preparation and phase change performance of Na₂HPO₄·12H₂O@poly (lactic acid) capsules for thermal energy storage[J]. 中国化学工程学报（英文版）, 2019,27(3):695-700. DOI: 10.1016/j.cjche.2018.05.017.

HPO
Na Fan, Lang Chen, Guoyong Xie, 等. Preparation and phase change performance of Na₂HPO₄·12H₂O@poly (lactic acid) capsules for thermal energy storage[J]. 中国化学工程学报（英文版）, 2019,27(3):695-700. DOI: 10.1016/j.cjche.2018.05.017. DOI：

HPO DOI： 10.1016/j.cjche.2018.05.017.

摘要

Abstract

Micro-encapsulated phase-change materials (microPCMs) with Na

HPO

·12H

O encapsulated in poly(lactic acid) (PLA) shell were prepared by a solvent evaporation-precipitation method that involves the use of a coaxial needle. The effects of PLA concentration

stirring speed

injection rate of core and shell solutions

and polyvinyl alcohol (PVA) concentration on phase change properties were investigated. The thermal properties of microPCMs were characterized by differential scanning calorimetry (DSC). The capsules prepared under the optimal conditions are about 2 mm in diameter and show a latent heat of up to 122.2 J·g

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