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Institut Teknologi Sepuluh Nopember (ITS) successfully conducted a trial application of the first-generation prototype of the ITS Al-Air Battery on a motorbike at the ITS Research Centre Building. This achievement, supported by Pertamina and the ITS Kedaireka Matching Fund, marks a pivotal step towards accelerating the use of Battery-Based Electric Vehicles (KLBB) in Indonesia.
Prof Dr Ir Heru Setyawan MEng, the head of the research team, described the metal-air battery in his research as a metal fuel engine that utilises aluminium.
This technology promises to expedite Indonesia’s energy and technological independence. One of the key advantages of these metal-air batteries is their ability to prevent dendrites or lithium metal crystallisation, a common issue in batteries that can lead to critical problems. The collaboration between Prof Heru and undergraduate (S1), master (S2), and doctoral (S3) students from the ITS Chemical Engineering Department underscores the interdisciplinary nature of this research effort.
The research team’s innovative approach involved the electrodeposition of a Zn and Mn metal alloy to address dendrite formation. The specially designed air battery features a slim and three-dimensional surface, enabling the uniform extraction of aluminium ions and resulting in a longer battery life, lasting up to 140 hours. Additionally, the battery is environmentally friendly, using an aqueous electrolyte with the addition of Sodium Chloride (NaCl) salt, a common household item that poses no harm to humans. Furthermore, concerns such as leakage and thermal runaway are mitigated, making the battery a safe and sustainable choice.
Despite the substantial electrical current requirements for motorbikes, Indonesia’s abundant aluminium resources have motivated the ITS research team to adopt this battery for KLBB. Moreover, aluminium batteries are more cost-effective than lithium-ion batteries, making them a viable option for widespread adoption.
The development of the ITS Al-Air Battery has been ongoing since 2013. However, the battery still requires further development to become a viable option for KLBB. Currently, the battery is primary, meaning it can only be disposed of after use. Plans include developing a secondary battery, making it rechargeable, and reducing its size for easier integration into vehicles.
Bambang Pramujati, ST MScEng PhD, ITS Vice Rector IV for Research, Innovation, Cooperation, and Alumni, expressed his appreciation for the support from Pertamina and Kedaireka, highlighting the importance of industry collaboration in advancing KLBB development. He emphasised the potential of the ITS Al-Air Battery to contribute to Indonesia’s energy independence and expressed hope for further advancements in this field.
In conclusion, the ITS Al-Air Battery represents a significant leap forward in battery technology, with the potential to revolutionise the use of Battery-Based Electric Vehicles in Indonesia. With ongoing research and industry collaboration, ITS aims to further refine this technology, paving the way for a more sustainable and energy-independent future.
This innovative breakthrough in battery technology underscores the importance of research and development in advancing Indonesia’s digital economy. As the country strives to achieve energy independence and reduce its reliance on fossil fuels, initiatives like the ITS Al-Air Battery play a crucial role in driving technological innovation and sustainable development.
The successful trial of the ITS Al-Air Battery on a motorcycle demonstrates the feasibility and potential of this technology for powering electric vehicles. The ability to prevent dendrite formation and ensure a longer battery life addresses key challenges in battery technology, making it a promising solution for Indonesia’s transportation sector.
Furthermore, the environmentally friendly nature of the battery, using an aqueous electrolyte and common household salt, highlights its potential for widespread adoption without posing harm to humans or the environment. This aspect aligns with global efforts to transition towards cleaner and more sustainable energy sources.
The collaboration between Prof Heru and students from the ITS Chemical Engineering Department also highlights the importance of interdisciplinary research in tackling complex challenges. By combining expertise from various fields, the research team was able to develop a novel solution that could have far-reaching impacts on Indonesia’s energy landscape.
Looking ahead, the development of a secondary battery that is rechargeable and smaller in size will further enhance the usability and practicality of the ITS Al-Air Battery for electric vehicles. This, coupled with the ongoing support from industry partners like Pertamina and Kedaireka, bodes well for the future commercialisation and implementation of this technology.
In conclusion, the trial application of the ITS Al-Air Battery represents a significant milestone in Indonesia’s quest for energy independence and technological advancement. With continued research and collaboration, innovations like this battery have the potential to reshape the country’s energy landscape and contribute to a more sustainable future.
