Research of Hybrid System with Combined PEMFC and Secondary Battery

• Main Authors: LIN, JIH-HAN, 林金漢
• Other Authors: KUO, CHUN-HSIEN
• Format: Others
• Language: zh-TW
• Published: 2017
• Online Access: http://ndltd.ncl.edu.tw/handle/jputra

碩士 === 國立高雄應用科技大學 === 模具系碩士在職專班 === 105 === To solve the greenhouse effect and energy reduction, the energy saving and carbon reduction is the direction of development for all countries. According to the IEA annual report in the 2016, the carbon emission from transportation is 2nd place, or 29%, annual global. If we can change the carbon fuel to the green energy (like hydrogen fuel) for transportation in the future, we can low carbon emission and partly solve the energy crisis. At the same time, the greenhouse effect can be improved. This research finish a set of Hybrid Power Control System that the fuel cell is main power output lithium battery is complemented. This control system regards I2C as the structure to combine 3 Arduino UNO boards as mainly control component. It can provide two functions, one is low power load another is middle/high power load. If the power load output reaches under 8A condition, main power supply by the fuel cell and lithium battery is recharged at this stage. If the power load output reached around 8~45A condition, this control system connects lithium battery in parallel to assist and share the fuel cell load output at this stage. The experimental result will show the data of efficiency & consumed hydrogen quantity for Hybrid Power System and Pure Fuel Cell System. No matter on efficiency, hydrogen consumed quantity and maximum power output, the Hybrid Power System has apparent improvement compared with Pure Fuel Cell System. The result show quantity of consumed hydrogen can save by 8.2% at lower power load condition and at least 43% at middle/high power load condition. Maximum power load condition can reach 45A/2.2kW and transient 35A.However, in order to improve the endurance of the battery must follow the experiment of high efficiency recharged to limit the Maximum power output at low load condition. Then Pure Fuel Cell System can be recharged the lithium battery by 8.1A with Maximum efficiency. To sum up, this model of Hybrid Power System can increase efficiency, endurance and practicability of the fuel cell effectively and expect to prove practicability and reliability with real product under this structure in the future.