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titant金蟲 (正式寫手)
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[求助]
SOFC陰極測(cè)試兩電極和三電極有何區(qū)別?
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SOFC陰極測(cè)試兩電極和三電極有何區(qū)別? 審稿人提的意見,不知道怎樣才能回答的準(zhǔn)確。 The authors use an asymmetric cell with porous Pt (from paste) as counter electrode. The reference electrode is a Pt wire placed on the side of the working electrode. There has been significant debate in literature on the problems with this setup. The authors should provide a drawing of the actual cell arrangement and provide evidence that this geometry does not suffer from imbalance between reference and working electrode. That is the ASR for the Pt electrode should be significantly smaller than the ASR of the electrode. It would have been better when part of the study (under zero bias) was done in a symmetrical cell. 希望高人寫出怎樣回答,示意圖意見畫完,只是回答后面的問題就行,回答不錯(cuò)的話,追加50幣。謝謝 |
金蟲 (正式寫手)
木蟲 (小有名氣)
| 不知道你是怎么測(cè)試的,如果只是測(cè)試OCV條件下的Rp,reviewer說的不錯(cuò),對(duì)稱電池就足夠了,而且數(shù)據(jù)非常reliable。對(duì)于三電極測(cè)試,一般是用在加偏壓(bias)測(cè)試,目的是為了排除對(duì)電極在極化條件下對(duì)最后獲得的阻抗譜的影響。在固體電化學(xué)的三電極測(cè)試中,參比電極的放置對(duì)最后的測(cè)試結(jié)果影響很大。正如reviewer所說,這在文獻(xiàn)里面有很多討論也有很多爭(zhēng)議。我想你最好提供一組對(duì)稱電池的測(cè)試結(jié)果。這個(gè)應(yīng)該比三電極制備容易得多。 |
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