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http://dx.doi.org/10.14775/ksmpe.2021.20.04.057

A Study on a Combined DMFC-Lithium Battery Hybrid System for a Forklift  

Ju, Yong-Soo (Department of Carbon Convergence Engineering, Jeonju University)
Lim, Dong-Jin (Department of Carbon Convergence Engineering, Jeonju University)
Kim, Hong-Gun (Department of Carbon Convergence Engineering, Jeonju University)
Kwac, Lee-Ku (Department of Carbon Convergence Engineering, Jeonju University)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.20, no.4, 2021 , pp. 57-65 More about this Journal
Abstract
This paper explains a DMFC-Lithium Battery hybrid system applied to a forklift. A conventional Lead Acid battery forklift has several problems: long charging times, short operation times, and frequent battery replacements. As a result, hydrogen-powered forklifts are replacing Lead acid battery-powered forklifts due to their shorter refueling time and longer operation times. However, in doing so, we are confronted with the problem of a high hydrogen refueling infrastructure. A Direct Methanol Fuel Cell (DMFC), on the other hand, is an eco-friendly generator that directly converts the chemical energy of methanol into electricity. In general, DMFC is regarded as a small power generator under kW power. In this paper, a DMFC-Battery hybrid system is applied to a 1.5 ton forklift by increasing the power output of the DMFC stack and utilizing the high charge-discharge characteristics of a lithium battery.
Keywords
Direct Methanol Fuel Cell; Lithium Battery; Hybrid System; Stack; Forklift;
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