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baisong新蟲(chóng) (小有名氣)
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[求助]
請(qǐng)將下列中文摘要翻譯成英文（350字）
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| 燃料電池(FC)的電極催化劑密切影響電池的性能指標(biāo)，開(kāi)發(fā)高效、廉價(jià)、抗毒的催化劑是發(fā)展高性?xún)r(jià)比FC的關(guān)鍵。本項(xiàng)目以性能優(yōu)異的石墨烯替代炭黑作為催化劑載體，以FC用石墨烯負(fù)載非鉑催化劑 (GENPC) 為研究對(duì)象，運(yùn)用各種化學(xué)方法設(shè)計(jì)合成新型的GENPC；系統(tǒng)研究石墨烯基復(fù)合結(jié)構(gòu)中無(wú)機(jī)納米晶尺寸、形狀控制合成的特點(diǎn)和規(guī)律，探尋影響納米晶在石墨烯片上均勻分布的關(guān)鍵因素，為實(shí)現(xiàn)可控合成提供實(shí)驗(yàn)基礎(chǔ)。同時(shí)，探索集成電極的制備方法，嘗試實(shí)現(xiàn)GENPC與電極的一體化制作。在此基礎(chǔ)上用電化學(xué)方法研究GENPC對(duì)氧氣還原、甲醇氧化的催化作用，探討催化劑粒子的組成、狀態(tài)及石墨烯還原程度、表面官能團(tuán)、摻雜等對(duì)催化性能的影響；利用密度泛函理論研究GENPC的能帶結(jié)構(gòu)，探尋催化活性組分與石墨烯間的協(xié)同作用機(jī)制；揭示石墨烯載體影響催化活性的機(jī)理，為石墨烯載體的實(shí)際應(yīng)用和高性能FC非鉑催化劑的研發(fā)奠定實(shí)驗(yàn)和理論基礎(chǔ) |
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wyky2007136
金蟲(chóng) (小有名氣)
- 翻譯EPI: 29
- 應(yīng)助: 0 (幼兒園)
- 金幣: 952.8
- 散金: 200
- 紅花: 1
- 帖子: 124
- 在線(xiàn): 34.6小時(shí)
- 蟲(chóng)號(hào): 1554009
- 注冊(cè): 2011-12-28
- 性別: MM
- 專(zhuān)業(yè): 外國(guó)語(yǔ)言
【答案】應(yīng)助回帖
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忽然有事情,先翻譯一半 The electrode catalyst for fuel cell (FC) greatly affects the performance of the cell, thus the development of efficient, inexpensive and anti-poisoning catalysts is the key to the development of FC with high performance-cost ratio. In the project, graphene with excellent performance was used to substitute for carbon black to be used as a catalyst carrier, a graphene-supported non-platinum catalyst (GENPC) for FC was selected as a research object, and novel GENPC was designed and synthesized by using various chemical methods; and the characteristics and laws on controlling synthesis of the size and shape of inorganic nano-crystals in the graphene-based composite structure were systematically researched, and the key factor affecting the uniform distribution of the nano-crystals on graphene sheets was explored, thereby providing the experimental basis for the realization of the controllable synthesis. |
2樓2012-02-17 17:04:29
wyky2007136
金蟲(chóng) (小有名氣)
- 翻譯EPI: 29
- 應(yīng)助: 0 (幼兒園)
- 金幣: 952.8
- 散金: 200
- 紅花: 1
- 帖子: 124
- 在線(xiàn): 34.6小時(shí)
- 蟲(chóng)號(hào): 1554009
- 注冊(cè): 2011-12-28
- 性別: MM
- 專(zhuān)業(yè): 外國(guó)語(yǔ)言
【答案】應(yīng)助回帖
baisong(金幣+30, 翻譯EPI+1): ★★★★★最佳答案 非常感謝 2012-02-18 09:35:20
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由于時(shí)間倉(cāng)促, 請(qǐng)作者再仔細(xì)斟酌. At the same time, the preparation method of integrated electrodes was explored, and the integrated manufacture of the GENPC and electrodes was achieved. On the basis, the catalysis of the GENPC on oxygen reduction and methanol oxidation was researched through an electrochemical method; the influence of the composition and state of the catalyst particles as well as reduction degree, surface functional groups, doping and the like of graphene on the catalytic performance was investigated; energy band structure of the GENPC was researched by using a density functional theory, thereby exploring the synergy mechanism between the catalytic active component and graphene; and the mechanism of the influence of the graphene carrier on the catalytic activity was revealed, thereby laying experimental and theoretical basis for practical applications of the graphene carrier and the research and development of high-performance non-platinum catalysts for FC. |
3樓2012-02-17 18:26:24
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