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dc.contributor.authorWang, Changhong
dc.contributor.authorWang, Yun
dc.contributor.authorYang, Hongchao
dc.contributor.authorZhang, Yejun
dc.contributor.authorZhao, Huijun
dc.contributor.authorWang, Qiangbin
dc.date.accessioned2019-06-19T13:10:52Z
dc.date.available2019-06-19T13:10:52Z
dc.date.issued2018
dc.identifier.issn1613-6810
dc.identifier.doi10.1002/smll.201802895
dc.identifier.urihttp://hdl.handle.net/10072/382152
dc.description.abstractEstablishing a correlation between the crystal structure and electrocatalytic activity is crucial to the rational design of high performance electrocatalysts. In this work, taking the widely investigated nickel (Ni) based nonprecious oxygen evolution reaction (OER) catalyst as an example, for the first time, it is reported that the crystal structure plays a critical role in determining the OER performance. Similar‐sized nickel nanoparticles but in different hexagonal close‐packed phase and face‐centered cubic phase coated with N‐doped carbon shells, noted as hcp‐Ni@NC and fcc‐Ni@NC, are successfully prepared, respectively, in which the N‐coated carbon shell structures were also similar. Surprisingly, a dramatically enhanced OER performance of hcp‐Ni@NC in comparison with fcc‐Ni@NC is observed. The hcp‐Ni@NC only requires 305 mV overpotential to achieve the current density of 10 mA cm−2, which is 55 mV lower than that of fcc‐Ni@NC, which can be ascribed to the influence of nickel crystal phase on the electron structure of N‐doped carbon shell. This finding will bring new thinking toward the rational design of high performance non‐noble metal electrocatalysts.
dc.description.peerreviewedYes
dc.languageEnglish
dc.publisherJohn Wiley & Sons
dc.publisher.placeGermany
dc.relation.ispartofchapter1802895
dc.relation.ispartofpagefrom1
dc.relation.ispartofpageto7
dc.relation.ispartofissue40
dc.relation.ispartofjournalSmall
dc.relation.ispartofvolume14
dc.subject.fieldofresearchEnvironmental Sciences not elsewhere classified
dc.subject.fieldofresearchcode059999
dc.subject.keywordsCrystal structure
dc.subject.keywordsElectrocatalysis
dc.subject.keywordsNickel
dc.subject.keywordsOxygen evolution reaction
dc.titleRevealing the Role of Electrocatalyst Crystal Structure on Oxygen Evolution Reaction with Nickel as an Example
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorZhao, Huijun
gro.griffith.authorWang, Yun


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