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zhubin0815木蟲 (小有名氣)
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[交流]
SOFC_審稿意見求助
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各位蟲友, 本人主要是做SOFC 陰極材料改性的,最近投了一篇nanoletters, 審稿人提到一個如下意見: Comment on the heat budget difference between reference and new process. This may be related to the cell stability. 因所投文章主要對比了普通陰極與浸漬改性后陰極的差異,實(shí)驗結(jié)果表明浸漬后陰極極大的提高了電池性能并具有很好的穩(wěn)定性。雖然對電池性能以及穩(wěn)定性都有測試,但是實(shí)在是沒有領(lǐng)會審稿人的這個意見。穩(wěn)定性測試過程與熱衡算無關(guān)啊。 請各位蟲友幫咱分析下。謝謝! |

鐵桿木蟲 (知名作家)
木蟲 (小有名氣)
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謝謝! 審稿人的具體意見如下:In this article, the authors present progress in improving interface properties via multistep sintering of nanometer sized electrolyte and cathode materials. The enhanced oxygen exchange rate is verified in both measured impedance and electrochemical performance. The power density is significantly higher using the reported fabrication process, achieving > 1 W/cm^2 at 700 deg C. This article can be a good fit to Nano Letter if the following questions are answered: 1. Can the authors extrapolate the exchange current densities (j0) using Tafel equation, and compare the activation energy of the exchange current densities of the reference and new process? Would the enhanced j0 be proportional to the TPB or surface area change? 2. Any available data on surface area, such as BET or mercury intrusion? Any before and after surface area comparison other than SEM? This can be a good complimentary data to the SEM microstructure analysis 3. Any evidence to the enhanced performance is mainly due to (narrow down the main cause) a. surface area enhancement b. higher TPB densities (similar to a) c. improved particle-to-particle contact d. lowering onset temperature of Mn4+ to Mn3+ e. combination of above 4. The performance is very stable at high temperature and high current density. Any speculation why this would be the case? It’s generally speculated that higher surface area will cause faster degradation in performance 5. Comment on the heat budget difference between reference and new process. This may be related to the cell stability 就是不太清楚第五個問題,用爐子加熱,工作溫度相同啊,熱收支會有什么影響呢? |

鐵桿木蟲 (知名作家)
木蟲 (小有名氣)

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