셀레늄을 활용한 니켈철 (옥시)수산화물의 격자 산소 활성화

조승환; 손정인; Seunghwan Jo; Jung Inn Sohn

Korean Journal of Materials Research, Vol.32, No.8, 339-344, August, 2022

DOI10.3740/MRSK.2022.32.8.339 Export Citation

셀레늄을 활용한 니켈철 (옥시)수산화물의 격자 산소 활성화

Lattice Oxygen Activation in NiFe (Oxy)hydroxide using Se

조승환, 손정인^†

동국대학교 물리반도체과학부

Seunghwan Jo, and Jung Inn Sohn^†

Division of Physics and Semiconductor Science, Dongguk University, Seoul 04620, Republic of Korea

E-mail:

The lattice oxygen mechanism (LOM) is considered one of the promising approaches to overcome the sluggish oxygen evolution reaction (OER), bypassing -OOH* coordination with a high energetic barrier. Activated lattice oxygen can participate in the OER as a reactant and enables O*-O* coupling for direct O2 formation. However, such reaction kinetics inevitably include the generation of oxygen vacancies, which leads to structural degradation, and eventually shortens the lifetime of catalysts. Here, we demonstrate that Se incorporation significantly enhances OER performance and the stability of NiFe (oxy)hydroxide (NiFe) which follows the LOM pathway. In Se introduced NiFe (NiFeSe), Se forms not only metal-Se bonding but also Se-oxygen bonding by replacing oxygen sites and metal sites, respectively. As a result, transition metals show reduced valence states while oxygen shows less reduced valence states (O-/O2 2-) which is a clear evidence of lattice oxygen activation. By virtue of its electronic structure modulation, NiFeSe shows enhanced OER activity and long-term stability with robust active lattice oxygen compared to NiFe.

Keywords:electrocatalysts;lattice oxygen mechanism;oxygen evolution reaction;chalcogen;transition metal(oxy)hydroxide

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[1] Luo Y, Zhang Z, Chhowalla M, Liu B, Adv. Mater., 34, 2108133 (2022)

[2] Chatenet M, Pollet BG, Dekel DR, Dionigi F, Deseure J, Millet P, Braatz RD, Bazant MZ, Chem. Soc. Rev., 51, 4583 (2022)

[3] Xie X, Du L, Yan L, Park S, Qiu Y, Sokolowski J, Wang W, Shao Y, Adv. Funct. Mater., 32, 2110036 (2022)

[4] Man IC, Su HY, Vallejo FC, Hansen HA, Martinez JI, Inoglu NG, Kitchin J, Jaramillo TF, Norskov JK, Rossmeisl J, ChemCatChem, 3, 1159 (2011)

[5] Koper MTM, Chem. Sci., 4, 2710 (2013)

[6] Grimaud A, Morales OD, Han B, Hong WT, Lee YL, Giordano L, Stoerzinger KA, Koper MTM, Horn YS, Nat. Chem., 9, 457 (2017)

[7] Pan Y, Xu X, Zhong Y, Ge L, Chen Y, Veder JPM, Guan D, O’Hayre R, Li M, Wang G, Wang H, Zhou W, Shao Z, Nat. Commun., 11, 2002 (2020)

[8] Jo S, Lee KB, Sohn JI, ACS Sustain. Chem. Eng., 9, 14911 (2021)

[9] Wang X, Pawar G, Li Y, Ren X, Zhang M, Lu B, Banerjee A, Dufek EJ, Zhang JG, Xiao J, Liu J, Meng YS, Liaw B, Nat. Mater., 19, 1339 (2020)

[10] Asnavandi M, Yin Y, Li Y, Sun C, Zhao C, ACS Energy Lett., 3, 1515 (2018)

[11] Abramovich S, Dutta D, Rizza C, Santoro S, Aquino M, Cupolillo A, Occhiuzzi J, Russa MFL, Ghosh B, Farias D, Locatelli A, Small, 18, 2201473 (2022)

[12] Chang K, Tran DT, Wang J, Kim NH, Lee JH, J. Mater. Chem. A, 10, 3102 (2022)

[13] Huang ZF, Song J, Du Y, Xi S, Dou S, Nsanzimana JMV, Wang C, Xu ZJ, Wang X, Nat. Energy, 4, 329 (2019)

[14] McCrory CCL, Jung S, Peters JC, Jaramillo TF, J. Am. Chem. Soc., 135, 16977 (2013)

[15] Zhang B, Wang L, Cao Z, Kozlov SM, Arquer FPG, Dinh CT, Li J, Wang Z, Zheng X, Zhang L, Wen Y, Vonznyy O, Comin R, Luna PD, Nat. Catal., 3, 985 (2020)