| 2 | 1/1 | 返回列表 |
| 查看: 582 | 回復(fù): 1 | |||
zhangtianwen銀蟲 (小有名氣)
|
[求助]
求該領(lǐng)域大神翻譯一篇關(guān)于石墨烯論文的摘要。。。! 已有1人參與
|
|
Supercapacitors, also called ultracapacitors or electrochemical capacitors, store electrical charge on high-surface-area conducting materials. Their widespread use is limited by their low energy storage density and relatively high effective series resistance. Using chemical activation of exfoliated graphite oxide, we synthesized a porous carbon with a Brunauer-Emmett-Teller surface area of up to 3100 square meters per gram, a high electrical conductivity, and a low oxygen and hydrogen content. This sp2-bonded carbon has a continuous three-dimensional network of highly curved, atom-thick walls that form primarily 0.6- to 5-nanometer-width pores. Two-electrode supercapacitor cells constructed with this carbon yielded high values of gravimetric capacitance and energy density with organic and ionic liquid electrolytes. The processes used to make this carbon are readily scalable to industrial levels. 十萬火急,急,謝謝! |
銅蟲 (小有名氣)
| 超級電容器,又被稱作電化學(xué)電容器,將電荷儲存在高比表面積的導(dǎo)電材料中。材料的低能量密度和相對較高的內(nèi)阻限制了其廣泛應(yīng)用。通過化學(xué)活化剝離的氧化石墨,我么合成了一種高性能的多孔碳材料,該材料BET高達3100M2/g,具有高電導(dǎo)率和低含氧、含氫量。這種通過sp2雜化連接起來的碳材料片層只有單原子厚度且高度卷曲,孔徑只有0.6-5nm,具有連續(xù)的三維網(wǎng)狀結(jié)構(gòu)。將此材料組裝成雙電極體系電容器進行電化學(xué)測試,有機體系和無機體系都得到較高的質(zhì)量比電容和能量密度。而用于制備此碳材料的工藝也可以大規(guī)模工業(yè)化使用。 |
| 2 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 291求調(diào)劑 +7 | hhhhxn.. 2026-03-23 | 7/350 |
|
|---|---|---|---|---|
|
[考研] 一志愿南航材料專317分求調(diào)劑 +3 | 炸呀炸呀炸薯條 2026-03-23 | 3/150 |
|
|
[考研] 085600材料與化工調(diào)劑 +6 | A-哆啦Z夢 2026-03-23 | 11/550 |
|
|
[論文投稿] 急發(fā)核心期刊論文 +3 | 賢達問津 2026-03-23 | 5/250 |
|
|
[考研] 一志愿中南大學(xué)化學(xué)學(xué)碩0703總分337求調(diào)劑 +4 | niko- 2026-03-22 | 4/200 |
|
|
[考研] 317求調(diào)劑 +12 | 申子申申 2026-03-19 | 18/900 |
|
|
[考研] 315分,誠求調(diào)劑,材料與化工085600 +3 | 13756423260 2026-03-22 | 3/150 |
|
|
[考研] 354求調(diào)劑 +7 | Tyoumou 2026-03-18 | 10/500 |
|
|
[考研] 求調(diào)劑 +4 | 要好好無聊 2026-03-21 | 4/200 |
|
|
[考研] 求調(diào)劑 +3 | 13341 2026-03-20 | 3/150 |
|
|
[考研] 299求調(diào)劑 +4 | 某某某某位 2026-03-21 | 4/200 |
|
|
[考研] 求調(diào)劑 +3 | .m.. 2026-03-21 | 4/200 |
|
|
[考研] 303求調(diào)劑 +5 | 睿08 2026-03-17 | 7/350 |
|
|
[考研] 一志愿 西北大學(xué) ,070300化學(xué)學(xué)碩,總分287,雙非一本,求調(diào)劑。 +3 | 晨昏線與星海 2026-03-18 | 3/150 |
|
|
[考研] 南京大學(xué)化學(xué)376求調(diào)劑 +3 | hisfailed 2026-03-19 | 6/300 |
|
|
[考研] 288求調(diào)劑 +16 | 于海海海海 2026-03-19 | 16/800 |
|
|
[考研] 中南大學(xué)化學(xué)學(xué)碩337求調(diào)劑 +3 | niko- 2026-03-19 | 6/300 |
|
|
[考研] 求調(diào)劑 +3 | @taotao 2026-03-20 | 3/150 |
|
|
[考博] 申博26年 +3 | 八6八68 2026-03-19 | 3/150 |
|
|
[考研] 材料工程專碩調(diào)劑 +5 | 204818@lcx 2026-03-17 | 6/300 |
|