the study of catalytic activity and reaction mechanism for the electrochemical reduction of co2 on nanostructured cu electrode and nano--cu oxides论文

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1、奔霉夫学DONGHUAUNIVERSITY硕士研究生学位论文学校代码：10255学号：2111199ThestudyofcatalyticactivityandreactionmechanismfortheelectrochemicalreductionofC02onnanostructuredCuelectro电andnano-Cuoxides答辩日期：2Q!垒生!且!§目东华大学学位论文原创性声明本人郑重声明：我恪守学术道德，崇尚严谨学风。所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已明确注明和引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写过的

2、作品及成果的内容。论文为本人亲自撰写，我对所写的内容负责，并完全意识到本声明的法律结果由本人承担。靴敝储擀：撕日期：>口7争年2月>g日东华大学学位论文版权使用授权书学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅或借阅。本人授权东华大学可以将本学位论文的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。本学位论文属于保密口，在——年解密后适用本版权书。不保密Z学位论文作者签名：辑指导教师硌日期：如脚年≥月遐日日期：力坼年二哳苞健＼～⑧赫。．熊眠⋯咖胁蜥m啪曲nme蝴蛐

3、⋯electrochemicalreductionofC02onnanostructuredCuelectrodeandnano—CuoxidesThestudyofcatalyticactivityandreactionmechanismfortheelectrochemicalreductionofC02onnanostructure．dCuelectrodeandnano．CUoxidesABSTRACTExtraemissionofcarbondioxide(C02)intotheatmosphere，inducedbyhumanindustrialactivities，hasbee

4、nconsideredoneoftheprimarycausesinpossibleglobalwarmingduetothegreenhouseeffect，andalsobecominganincreasingconceminrecentyears．Toaddressthisissue，usingelectrochemicalreductiontoconvertC02tolowcarbonfuels(methane，methanol，formicacid，andethylene)representsavalue-addedapproachtothesimultaneousgenerati

5、onofalternativefuelsandenvironmentalremediationofcarbonemissionsfromthecontinueduseofconventionalfuels．Actually,itseemsthattheelectrochemicalreductionofC02wouldbeanidealenergystoragestrategyinconvertingundesiredC02intousefulfuelsusingelectricityfromrenewableSOl／Icessuch嬲hydro-electrical，solar,wind，

6、tidal／wave，andocean—thermalenergyHowever,becauseoftheslowelectrodekineticsofC02electroreduction，largenegativeoverpotentialisrequiredwhichnotonlycauseslowenergyeffnciencybutalsoinduceshighhydrogenevolutionatsuchnegativeelectrodepotentials．Therefore，effectiveelectrocatalystsarehi曲lydesiredinordertore

7、duceoverpotentialsAneffectiveelectrocatalystshouldbeprocessthefollowingthreeimportantfactors，i．e．，activity,stabilityandtheproductselectivity．Inthisregard，thecopperanditsoxideshavebeenreportedastheuniquemeta