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- W3186289277 abstract "This study presents a novel and highly efficient CeO2-based type of additives to improve the performance of PEM fuel cells. Cerium(IV) oxide (CeO2) nanorods and CeO2 nanorod decorated nitrogen-doped reduced graphene oxide (NrGO) (CeO2/NrGO) were synthesized and utilized to enhance the ORR performance of PEMFCs. With a low energy transition between Ce+3 to Ce+4 and its high catalytic activity, CeO2 could promote O2 reduction. The structural properties of CeO2 nanorods and the CeO2/NrGO composite were investigated using XRD, RAMAN, SEM, TEM, TGA, BET, and XPS. The synthesized CeO2 nanorods and CeO2/NrGO composite were mixed with a low platinum loading (0.09 mgPt.cm−1), and ex-situ electrochemical characterizations were performed (CV and LSV) to evaluate their catalytic activities. Fuel cell performance tests and in-situ impedance analyses were also conducted to confirm the electrochemical results. Compared to commercial Pt/C-based MEA (269 mW.cm−2), the addition of both CeO2 nanorods (382 mW.cm−2) and CeO2/NrGO (389 mW.cm−2) to the catalyst layer showed a significant enhancement in fuel cell performance, due to the unique oxygen buffer ability of the synthesized additives." @default.
- W3186289277 created "2021-08-02" @default.
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- W3186289277 date "2021-09-01" @default.
- W3186289277 modified "2023-09-23" @default.
- W3186289277 title "CeO2 nanorod decorated NrGO additives for boosting PEMFC performance" @default.
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- W3186289277 doi "https://doi.org/10.1016/j.ijhydene.2021.06.235" @default.
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