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Open AccessArticle

Blockchain IoT for Smart Electric Vehicles Battery Management

Faculty of Electronics, Telecommunications and Information Technology, Politehnica University of Bucharest, 061071 Bucharest, Romania
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Sustainability 2020, 12(10), 3984;
Received: 9 April 2020 / Revised: 8 May 2020 / Accepted: 12 May 2020 / Published: 13 May 2020
Electric Vehicles (EVs) have generated a lot of interest in recent years, due to the advances in battery life and low pollution. Similarly, the expansion of the Internet of Things (IoT) allowed more and more devices to be interconnected. One major problem EVs face today is the limited range of the battery and the limited number of charging or battery swapping stations. A solution is to not only build the necessary infrastructure, but also to be able to correctly estimate the remaining power using an efficient battery management system (BMS). For some EVs, battery swapping can also be an option, either at registered stations, or even directly from other EV drivers. Thus, a network of EV information is required, so that a successful battery charge or swap can be made available for drivers. In this paper two blockchain implementations for an EV BMS are presented, using blockchain as the network and data layer of the application. The first implementation uses Ethereum as the blockchain framework for developing smart contracts, while the second uses a directed acyclic graph (DAG), on top of the IOTA tangle. The two approaches are implemented and compared, demonstrating that both platforms can provide a viable solution for an efficient, semi-decentralized, data-driven BMS. View Full-Text
Keywords: blockchain; battery management; electric vehicle; state of charge estimation; Internet of Things; smart contract; Ethereum; IOTA blockchain; battery management; electric vehicle; state of charge estimation; Internet of Things; smart contract; Ethereum; IOTA
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Florea, B.C.; Taralunga, D.D. Blockchain IoT for Smart Electric Vehicles Battery Management. Sustainability 2020, 12, 3984.

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