Contradictory role of reactive oxygen species in dissolution-dependent activity of Pb-based anodes in acidic electrooxidation
文献情報
Feilong Zhang
The dilemma of activity and stability limits the application of metal-based anodes in electrooxidation, especially in concentrated acid media, and thus causes the emission of hazardous wastewater and waste. Herein, a strong correlation is first reported between activity and Pb2+ dissolution of Pb-based anodes in acidic-electrooxidation. This complex relationship lies in the contradictory role of reactive oxygen species (ROS, SO4−* and OH*). Although the evolution of ROS is a crucial step for Pb passivation and oxygen evolution, the elimination of ROS results in exposure and dissolution of Pb2+. Moreover, oxygen evolution is hindered due to the mismatch of ROS energy bonding. Based on these discoveries, a simple, competitive and sustainable strategy is proposed for changing the ROS evolution environment by precoating MnO2 on Pb-based anodes. Pb-based MnO2 anodes (PMAs) with different ROS evolution environments present ultra-low Pb2+ dissolution (reduced by ∼95%) and enhanced oxygen evolution performance because of the uniform energy bonding distribution. These findings have conclusively confirmed ROS behaviour control as the criterion for alleviating dissolution-dependent activity of metal-based anodes for extensive electrooxidation.
関連文献
Charge doping and electric field tunable ferromagnetism and Curie temperature of the MnS2 monolayer
Jing Xie, Dongni Wu, Yangfang Liao, Xiaolong Cao, Shiyou Zhou
DOI: 10.1039/D3CP04382G
A nanoscale surface engineered magneto-mechano-triboelectric nanogenerator enabled by reliable pattern replication for self-powered IoT devices
Srinivas Pattipaka, Tae Wan Park, Young Min Bae, Yujin Na, Kyeongwoon Chung, Kwi-Il Park, Jungho Ryu, Woon Ik Park, Geon-Tae Hwang
DOI: 10.1039/D3SE01206A
Observation of the possible magnetic correction above the Curie temperature in Cr2Si2Te6 single crystals
Yan Sun, Zhongzhu Jiang, Yang Li, Lanxin Liu, Hui Liang, Yiyan Wang, Dandan Wu, Na Li, Ying Zhou, Qiuju Li, Xiaoyu Yue, Wei Tong, Xuan Luo, Jianghe Lan, Xuefeng Sun
DOI: 10.1039/D3CP03854H
The controlled engineering of surface oxygen defects on Bi2Zr2O7 compounds for catalytic soot combustion by adjusting the preparation methods
Shijing Zhang, Xiaohui Feng, Zekai Xu, Yuting Li, Ping Wang, Jiating Shen, Junwei Xu, Xianglan Xu, Xiuzhong Fang, Xiang Wang
DOI: 10.1039/D3CP04104B
Exploring the potential of cobalt hydroxide and its derivatives as a cost-effective and abundant alternative to noble metal electrocatalysts in oxygen evolution reactions: a review
Umair Shamraiz, Abdul Majeed, Bareera Raza, Noor ul Ain, Amin Badshah
DOI: 10.1039/D3SE00942D
A study on the Si1−xGex gradual buffer layer of III–V/Si multi-junction solar cells based on first-principles calculations
Qian Wang, Yu Zhuang, Abuduwayiti Aierken, Qiaogang Song, Qin Zhang, Youbo Dou, Qiuli Zhang, Shuyi Zhang
DOI: 10.1039/D3CP05309A
Green–Kubo expressions for transport coefficients from dissipative particle dynamics simulations revisited
D. C. Malaspina, J. P. Larentzos, J. K. Brennan, A. D. Mackie, J. Bonet Avalos
DOI: 10.1039/D3CP03791F
こちらもおすすめ
2-メトキシ-4-(メチルスルフィニル)アミンの主な用途は何ですか?
2-メトキシ-4-(メチルスルフィニル)アミンは、主に医薬品および農薬の製造に使用されます。また、合成化学の一部として研究用材料としても利用されます。
4,6-二氯-N-甲基ピラミジンアミンの代替品はありますか?
代替品としては、4,6-二クロロピラミジンアミンや他のピラミジン系化合物が考えられます。ただし、目的と用途によって最適な代替品は異なります。
6-氯-4-甲基-1H-吲哚を含む廃棄物はどのように処理すべきですか?
6-氯-4-甲基-1H-吲哚の廃棄物は、適切な容器に収集し、密閉して保管します。温度は常温、湿度は低く、直射日光を避けて保管することを推奨します。廃棄処理は専門...
2-フローユロ-4-(トリフルオロメチル)ベンゾイドについて「に適用される法規ガイドラインは何ですか」
2-フローユロ-4-(トリフルオロメチル)ベンゾイドのCAS番号は207974-08-1です。この化合物はGHS分類で毒性物質と有害な反応物質として分類されます...
4-ニトロフェニルN-[(ベンゼルオキシルカーボンイル]グリシングリシングリシン酸はどのように保存すればよいですか?
4-ニトロフェニルN-[(ベンゼルオキシルカーボンイル]グリシングリシングリシン酸は、室温で暗所に保管し、乾燥した環境で保存することを推奨します。容器は密閉性の...
イソデスロラタドリンの代替品はありますか?
イソデスロラタドリンの代替品としては、デスロラタドリンや他の抗ヒスタミン薬が挙げられます。具体的には、デスロラタドリン、ラセカミド、フェルタドリンなどが、症状や...
5-甲氧基-1,2,3,4-四氢异喹啉盐酸盐はどのように合成されますか?
5-甲氧基-1,2,3,4-四氢异喹啉盐酸盐の一般的な合成方法は、メタノール中で5-メトキシ-1,2,3,4-四ヒュドロイソキシンを塩酸で塩化します。この反応で...
4-アミノ-5-メトキシ-2-トルエンサルホニック酸についての法規ガイドラインは何ですか?
CAS番号6471-78-9の4-アミノ-5-メトキシ-2-トルエンサルホニック酸は、GHS分類では corrosive(腐食性)と識別されます。EUのREAC...
甲基孕酮を取り扱う際の実験室安全事項は何ですか?
甲基孕酮の取り扱いは、PPE(個人保護具)の使用が必要な重要な安全事項を伴います。防塵マスク、ゴーグル、手袋を着用することが推奨されます。ドラフトチャンバーを使...
掲載誌
Journal of Materials Chemistry A

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment











![tert-Butyl 6-chloro-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate structure tert-Butyl 6-chloro-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate structure](https://static.chemtradehub.com/structs/101/1011482-37-3-88a5.webp)


