Ionothermal Route to Phase-Pure RuB2 Catalysts for Efficient Oxygen Evolution and Water Splitting in Acid Media
原創(chuàng) Energist 能源學(xué)人 2020-08-17
1. 中國(guó)科學(xué)技術(shù)大學(xué)謝毅院士Chem. Soc. Rev.: 超薄2D光催化劑用于CO2光還原的基礎(chǔ)和挑戰(zhàn)
Xingchen Jiao, Kai Zheng, Liang Liang, Xiaodong Li, Yongfu Sun and Yi Xie. Fundamentals and challenges of ultrathin 2D photocatalysts in boosting CO2 photoreduction. Chem. Soc. Rev. 2020. DOI:10.1039/D0CS00332H
文章鏈接：
https://doi.org/10.1039/D0CS00332H
2. 武漢理工大學(xué)木士春教授ACS Energy Lett.：離子熱制備純相RuB2用于酸性介質(zhì)高效析氧和水裂解
開(kāi)發(fā)在酸性介質(zhì)中高效、穩(wěn)定的析氧反應(yīng)(OER)催化劑目前仍然是一個(gè)巨大的挑戰(zhàn)。在本文中，武漢理工大學(xué)木士春教授課題組首次報(bào)道了以氯化鉀和氯化鋰熔融鹽為溶劑合成出相純RuB2。在0.5 M硫酸介質(zhì)中，所制備出的RuB2作為OER催化劑僅需223 mV的過(guò)電位即可達(dá)到10 mA cm-2的電流密度，這是迄今報(bào)道的Ir/Ru基酸性O(shè)ER催化劑過(guò)電位的最小值。更重要的是，在酸性水裂解反應(yīng)中，RuB2表現(xiàn)出優(yōu)異的催化活性和穩(wěn)定性，它只需要1.525 V的電壓即可滿(mǎn)足10 mA cm-2的電流密度，比酸性電解質(zhì)中報(bào)道的大多數(shù)雙功能電催化劑都要高。通過(guò)理論計(jì)算結(jié)果進(jìn)一步證實(shí)，*OOH中間體的形成為速率決定步驟(RDS)，該步驟在RuB2催化劑上的勢(shì)壘較低，因此顯著提高了OER活性。此外，該工作代表了有重大意義的過(guò)渡金屬硼化物在酸性介質(zhì)中高效催化OER轉(zhuǎn)化的研究。
Ding Chen, Tingting Liu, Pengyan Wang, Jiahuan Zhao, Chengtian Zhang, Ruilin Cheng, Wenqiang Li, Pengxia Ji, Zonghua Pu, Shichun Mu. Ionothermal Route to Phase-Pure RuB2 Catalysts for Efficient Oxygen Evolution and Water Splitting in Acid Media. ACS Energy Lett. 2020.DOI:10.1021/acsenergylett.0c01384
文章鏈接：
https://doi.org/10.1021/acsenergylett.0c01384
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https://doi.org/10.1002/aenm.202001592
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文章鏈接：
https://doi.org/10.1002/aenm.202001561
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文章鏈接：
https://doi.org/10.1016/j.apcatb.2020.119419
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Ruixuan Qin, Kunlong Liu, Qingyuan Wu, Nanfeng Zheng. Surface Coordination Chemistry of Atomically Dispersed Metal Catalysts. Chem. Rev. 2020. DOI:10.1021/acs.chemrev.0c00094
文章鏈接：
https://doi.org/10.1021/acs.chemrev.0c00094
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文章鏈接：
https://doi.org/10.1039/C9CS00920E
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https://doi.org/10.1016/j.apcatb.2020.119434