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山东大学王建军教授课题组《Adv. Sci.》:磷掺杂优化硒化铁镍中铁的电子结构提升其碱性电催化析氧性能
2021-07-30 来源:中国聚合物网 点击
关键词:双金属催化剂

(RuO2/IrO2)NiFeOER


Advanced ScienceHighly Efficient Oxygen Evolution Reaction Enabled by Phosphorus Doping of the Fe Electronic Structure in IronNickel Selenide Nanosheets


1. (a) PNi0.75Fe0.25Se2(b) X线(c) Ni0.75Fe0.25Se2SEMP-Ni0.75Fe0.25Se2 (d) SEM, (e) TEM, (f) HRTEM (g) mapping


P-Ni0.75Fe0.25Se21XRDSEMTEMPNi0.75Fe0.25Se2PNi0.75Fe0.25Se2( 1g)PNi0.75Fe0.25Se2(1b1f)Ni0.75Fe0.25Se2(1c-e)Fe( 1a)OER

2. P-Ni0.75Fe0.25Se2Ni0.75Fe0.25Se2XPS(a) P 2p, (b) Fe 2p, (c) Mo?ssbauer

(d-e) XANES : d) Ni K-edge, e) Fe K-edge.


PNi0.75Fe0.25Se2(2)P 2p XPSNi0.75Fe0.25Se2(2a)Fe XPSMo?ssbauerFe K-edge XANES PFe(2b-c2e)PNi0.75Fe0.25Se2Ni K-edge XANESPNi(2d)

3. (a) LSV线 (b) (c) (d) TOF (e)(f)

P-Ni0.75Fe0.25Se2(3)P-Ni0.75Fe0.25Se21 M KOH10 mA cm-2185 mV27.2 mV dec-1(3a-b)P-Ni0.75Fe0.25Se2500 mVTOF328.19 A g-10.18 s-1(3c-d)100 mA cm-2120 h (3e)~100% (3f)

4. (a) ECSA-LSV线(b) (c) EIS(d) (e) O2-TPD (f)


P-Ni0.75Fe0.25Se2PLSVP(4a)POER(4b-d)O2-TPDPOER



ULEMPA西ICFO10J. Am. Chem. Soc.Advanced MaterialNPG Asia Mater. J. Mater. Chem. ASmall502000J. Am. Chem. Soc.SmallNature ChinaChem. Rev.广FP7


Highly Efficient Oxygen Evolution Reaction enabled by Phosphorus Doping of the Fe Electronic Structure in IronNickel Selenide Nanosheets

https://onlinelibrary.wiley.com/doi/10.1002/advs.202101775

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