2019
DOI: 10.1002/er.4833
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Template‐free synthesis of novel hollow carbon nanospheres with dual active sites as catalyst for fuel cell cathode to improve oxygen reduction reaction performances

Abstract: Summary A new template‐free controlled method is reported herein to prepare the novel hollow carbon nanospheres with dual active sites of FeN4 and FeC3 by in situ growth reaction on graphene nanosheets, labeled as HCN‐FNFCG. As‐prepared HCN‐FNFCG nanomaterials possess hierarchically porous FeN4/FeC3 shells with structures of microporous, mesoporous, and macroporous properties. Moreover, the hierarchically porous HCN‐FNFCG nanomaterials with dual active sites of FeN4 and FeC3 have not been reported before. The … Show more

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Cited by 6 publications
(9 citation statements)
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References 58 publications
(164 reference statements)
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“…5,6 However, the oxygen reduction reaction (ORR) at cathode is more complicated and pivotal in achieving the better fuel cell performance, so ORR catalysts are decisive in the development and widespread commercialization of PEMFCs. [7][8][9] Fabricating the highly active, low-platinum and durable ORR catalyst is one of the most effective way for the improvement of fuel cells performance. 10,11 Continuously, platinum blossoms out to be the most practical catalyst for ORR catalysis in the real application of PEMFC.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…5,6 However, the oxygen reduction reaction (ORR) at cathode is more complicated and pivotal in achieving the better fuel cell performance, so ORR catalysts are decisive in the development and widespread commercialization of PEMFCs. [7][8][9] Fabricating the highly active, low-platinum and durable ORR catalyst is one of the most effective way for the improvement of fuel cells performance. 10,11 Continuously, platinum blossoms out to be the most practical catalyst for ORR catalysis in the real application of PEMFC.…”
Section: Introductionmentioning
confidence: 99%
“…As an efficient energy conversion devices, the operating principle of PEMFC is typically made up of two fundamental electrochemical processes on each side of the polymer electrolyte membrane electrodes . However, the oxygen reduction reaction (ORR) at cathode is more complicated and pivotal in achieving the better fuel cell performance, so ORR catalysts are decisive in the development and widespread commercialization of PEMFCs . Fabricating the highly active, low‐platinum and durable ORR catalyst is one of the most effective way for the improvement of fuel cells performance …”
Section: Introductionmentioning
confidence: 99%
“…[26][27][28][29][30] In a few reports, POMs with carbonaceous materials have been shown to be effective for ORR [31][32][33][34][35] ; while in others, several new noble-metal free composites have been studied. 6,[36][37][38][39][40][41][42] However, still the use of POM based composites as a noble-metal free electrocatalysts particularly for ORR needs to be explored.…”
Section: Introductionmentioning
confidence: 99%
“…At present, FCs are hard to industrialize mainly because of their poor performance, short life, and high cost 6 . Research on the catalyst‐layer in FCs would play a significant role in solving the abovementioned problems 7‐9 . The maximum output power of the FCs can be increased by optimizing the catalytic reaction 10 .…”
Section: Introductionmentioning
confidence: 99%