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Design a small scale energy storage system for renewable energy

Currie, Stephen (2016). Design a small scale energy storage system for renewable energy. Bachelor of Engineering (4th Year Project) Thesis, Charles Darwin University.

Document type: Thesis
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Author Currie, Stephen
Title Design a small scale energy storage system for renewable energy
Institution Charles Darwin University
Publication Date 2016-05
Thesis Type Bachelor of Engineering (4th Year Project)
Supervisor Singh, Jai
0913 - Mechanical Engineering
Abstract The objective of this thesis was to study and evaluate existing energy storage systems with the intent to design a system capable of providing the energy storage requirements of a single household. It is assumed that renewable energy will continue to grow as a power generation option with solar photovoltaic generation providing the current major growth in Australia. Many householders have taken advantage of government incentives to install systems at subsided costs. To provide these people with the full benefit of their system it makes economic sense to store and use all electricity produced onsite.

One likely technology is a flow battery that stores energy in a reversible chemical reaction known as redox meaning reduction-oxidization. The technology is not new and has had recognition since the mid 1980’s when a group of scientists at UNSW discovered a viable redox pair that successfully demonstrated undiminished discharge /recharge cycles repeatedly. The technology never went into commercial domestic production at that time as it was very expensive.

The battery mechanics are relatively simple but the redox chemicals are prohibitively expensive although much research is continuing to remedy this. In this project a review of all possible redox pairs was conducted to assess and find an economical option.

The most promising redox pair was then tested using a prototype flow cell designed specifically to evaluate the suitability of the materials for further research. This design has been constructed from inexpensive components readily available and incorporates knowledge acquired from previous research in this field.
Keyword energy storage
electrochemical energy
renewable energy
flow battery
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Created: Wed, 20 Jul 2016, 12:01:58 CST by Jessie Ng