Inorganic phase change energy storage material

An energy storage material and inorganic phase change technology, applied in the field of energy storage materials, can solve the problems of energy storage system energy storage density reduction, etc., and achieve the effects of large thermal conductivity, good crystallinity, and large volume heat storage density
CN102604599AInactive Publication Date: 2012-07-25SHANGHAI XUNENG NEW ENERGY TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHANGHAI XUNENG NEW ENERGY TECH
Publication Date
2012-07-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the technical field of energy storage material, in particular to inorganic phase change energy storage material. The material comprises the following components by mass: 70 to 99.5 % of energy storage material, 0.25-20 % of nucleating agent, 0.1-15 % of modifying agent and 0.1-15 % of water. The bases hydrate or crystalline hydrous salt, especially the bases hydrate is adopted as energy storage material; the nucleating agent adopts carbonate; and the modifying agent is dispersant. According to the inorganic phase change energy storage material, by selecting proper nucleating agent and the ration of the nucleating agent, material phase separation can be effectively solved, especially the phase change energy storage material prepared by adding the dispersant into a system has good cycling stability, and simultaneously the potential heat value does not change after circulation for thousands of times.
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Description

technical field

[0001] The invention relates to the technical field of energy storage materials, in particular to an inorganic phase change energy storage material. Background technique

[0002] Research on energy storage is a strategic topic of energy security and sustainable development, in which heat storage and application are closely related to international people's livelihood. Energy storage technology, especially phase change energy storage technology, is an important technology to rationally and effectively utilize existing energy, optimize the use of renewable energy, and improve energy utilization efficiency. It has been a very active research direction in the field of energy conservation in the world in the past 20 years.

[0003] Using the phase transition of materials to store energy and realize energy storage and utilization is an effective way to alleviate the mismatch between energy supply and demand in terms of time, intensity and location. That is, the us...

Claims

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