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 Thermal coupling of an open-cathode proton exchange membrane fuel cell with metal hydride canisters: An experimental study
Tác giả hoặc Nhóm tác giả: Reza Omrani, Huy Quoc Nguyen, Bahman Shabani
Nơi đăng: International Journal of Hydrogen Energy; Số: 45;Từ->đến trang: 28940-28950;Năm: 2020
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
In this paper, the impacts of utilising the heat generated by a 2.5-kW open-cathode proton exchange membrane fuel cell (PEMFC) on enhancing the hydrogen release rate of nine 800 NL AB5 metal hydride (MH) canisters were experimentally investigated. Thermal coupling of MH canisters with PEMFC offers a potential to improve the hydrogen discharge rate of MH canisters by utilising its waste heat. However, the added complexity for implementing this idea remains to be a barrier. Open-cathode fuel cells with hot air exiting the cathode side offer an opportunity to simplify its thermal coupling arrangement with MH canisters. The set-up was designed with minimum added parts with just a ducting system to direct the hot exit air from the fuel cell passing over the MH canisters. The experimental results showed that the heat required by the MH canisters to supply enough hydrogen to the fuel cell at 500 W, 1000 W and …
ABSTRACT
In this paper, the impacts of utilising the heat generated by a 2.5-kW open-cathode proton exchange membrane fuel cell (PEMFC) on enhancing the hydrogen release rate of nine 800 NL AB5 metal hydride (MH) canisters were experimentally investigated. Thermal coupling of MH canisters with PEMFC offers a potential to improve the hydrogen discharge rate of MH canisters by utilising its waste heat. However, the added complexity for implementing this idea remains to be a barrier. Open-cathode fuel cells with hot air exiting the cathode side offer an opportunity to simplify its thermal coupling arrangement with MH canisters. The set-up was designed with minimum added parts with just a ducting system to direct the hot exit air from the fuel cell passing over the MH canisters. The experimental results showed that the heat required by the MH canisters to supply enough hydrogen to the fuel cell at 500 W, 1000 W and …
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