Energy storage properties of MnCl2-CaCl2-NH3 resorption temperature-lifting system

ZHU Fangqi; JIANG Long; WANG Liwei; WANG Ruzhu

doi:10.11949/j.issn.0438-1157.20151212

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Energy storage properties of MnCl₂-CaCl₂-NH₃ resorption temperature-lifting system

更新时间：2025-12-10

- Energy storage properties of MnCl₂-CaCl₂-NH₃ resorption temperature-lifting system
- CIESC Journal Issue 4, Pages: 1453-1458(2016)
- 作者机构：
  
  上海交通大学机械与动力工程学院,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151212
  CLC： K172
- Online First：05 April 2016，
  
  Published：05 April 2016
- 稿件说明：
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ZHU Fangqi, JIANG Long, WANG Liwei, et al. Energy storage properties of MnCl₂-CaCl₂-NH₃ resorption temperature-lifting system[J]. CIESC Journal, 2016, (4): 1453-1458. DOI: 10.11949/j.issn.0438-1157.20151212.
DOI：

ZHU Fangqi, JIANG Long, WANG Liwei, et al. Energy storage properties of MnCl₂-CaCl₂-NH₃ resorption temperature-lifting system[J]. CIESC Journal, 2016, (4): 1453-1458. DOI: 10.11949/j.issn.0438-1157.20151212. DOI：

摘要

吸附储热因其储热密度高、储热周期长、工作模式灵活而备受关注。基于热化学变温再吸附原理

构建了低品位热能温度提升实验系统

并采用吸附工质对MnCl2-CaCl2-NH3对其升温储能特性进行了理论分析和实验研究。结果表明在储热、释热温度分别为135℃和140℃的条件下

最大储热密度和最大潜热显热比分别为614 kJ·kg-1、0.418。在储热、释热温度分别为125℃和130℃的条件下

最大储热效率为28.57%。实验验证了热化学温度提升系统的可行性。

Abstract

The sorption thermal energy storage has drawn burgeoning attention due to the high energy storage density

long-term heat storage capability and flexible operating modes. A novel thermochemical temperature-lifting system is established for the integrated energy storage and energy upgrade of low-grade thermal energy based on thermochemical temperature-lifting resorption technology. The resorption working pair MnCl2-CaCl2-NH3 is selected to investigate the performance of the energy storage cycle theoretically and experimentally. Results indicate that the highest thermal storage density and latent/sensible heat ratio are 614 kJ·kg-1 and 0.418 when the heat charging and discharging temperature are 135℃ and 140℃

respectively. The highest heat storage efficiency is 28.57% when the heat charging and discharging temperature are 125℃ and 130℃. The experiments verify the feasibility of the system for utilizing the low-grade thermal energy.

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