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喲喲william木蟲 (小有名氣)
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[求助]
一小段英文翻譯,求助啊
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An in situ sulfur deposition route has been developed by the heterogeneous nucleation of sulfur onto conductive carbon black (Super P) from a solution-based reaction of sodium thiosulfate with hydrochloric acid. This facile synthesis method can produce high-purity sulfur–carbon composites for large-scale manufacturing. The sulfur–carbon composite thus produced exhibits discharge capacities of, respectively, 1116 mAh g−1 in the first cycle and 777 mAh g−1 after 50 cycles. Even after 50 cycles at a higher rate of C/4 (419 mA g−1), the reversible capacity is still 697 mAh g−1, which translates to a capacity retention of 82%. The excellent cycle performance of this sulfur–carbon composite can be attributed to the conductive carbon-wrapped sulfur network structure, which not only decreases the charge transfer resistance but also helps maintaining the integrity of the electrode structure during cycling. The carbon black matrix also plays a protective role as an adsorbent agent to keep the soluble polysulfides within the electrode structure, avoiding the unwanted shuttle effect during charging. We believe this facile in situ sulfur deposition route to obtain sulfur–carbon composites possessing good electrochemical performance could enhance the feasibility of practical Li–S batteries. 跪求大神準(zhǔn)確翻譯,用軟件翻譯的請(qǐng)繞行,謝謝。 ![]() ![]() |

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新蟲 (初入文壇)
| 一個(gè)已開發(fā)的原位硫沉降路線到導(dǎo)電炭黑硫異相成核作用(超級(jí)P )從基于溶液的硫代硫酸鈉反應(yīng)用鹽酸。這種簡便合成方法可以產(chǎn)生大規(guī)模制造高純度的硫 - 碳復(fù)合材料。這樣產(chǎn)生的硫 - 碳復(fù)合物展品放電的能力,分別為1116毫安時(shí)克-1在第一個(gè)周期,并777毫安的G- 1后50個(gè)周期。 50次循環(huán)后在更高的速度的C / 4 ( 419毫安克-1) ,可逆容量仍然是697毫安克-1 ,它轉(zhuǎn)換為一個(gè)82 %的容量保持率。南非荷蘭語阿爾巴尼亞語阿拉伯語白俄羅斯語保加利亞語加泰羅尼亞語中文(簡體)中文(繁體)克羅地亞語捷克語丹麥語荷蘭語愛沙尼亞語塔加路語芬蘭語法語加利西亞語德語希臘語希伯來語印地語匈牙利語冰島語印度尼西亞語愛爾蘭語意大利語日語韓語拉脫維亞語立陶宛語馬其頓語馬來語馬耳他語挪威語波斯語波蘭語葡萄牙語羅馬尼亞語俄語塞爾維亞語斯洛伐克語斯洛文尼亞語西班牙語斯瓦希里語瑞典語泰語土耳其語烏克蘭語越南語威爾士語意第緒語 優(yōu)異的循環(huán)該硫 - 碳復(fù)合物的性能可以歸因于導(dǎo)電性碳包裹的硫的網(wǎng)絡(luò)結(jié)構(gòu),其中不僅降低了電荷轉(zhuǎn)移電阻也有助于維持在循環(huán)過程中的電極結(jié)構(gòu)的完整性。 炭黑的矩陣也起到一定的保護(hù)作用,作為吸附劑的劑,以保持在電極內(nèi)的可溶性的多硫化物結(jié)構(gòu),避免了不必要的梭子在充電過程中的影響。我們相信這個(gè)淺顯的原位硫沉降路線獲得硫碳復(fù)合材料具有良好的電化學(xué)性能可增強(qiáng)實(shí)用的李- S電池的可行性。 |
木蟲 (著名寫手)

木蟲 (小有名氣)

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