期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 9, 期 3, 页码 1314-1352出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta09788h
关键词
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资金
- CSIR-New Delhi
- UGC
- DST (Department of Science and Technology) inspire fellowship
- DST [DST/TMD/HFC/2K18/60]
- institute OM [18-29-03/(31/19)-TTBD-CSIR-CECRI]
This article explores the advantages and challenges of layered double hydroxide (LDH) materials in the field of oxygen evolution reaction, discussing various strategies to overcome the inherent drawbacks of LDHs.
In the last few decades, layered double hydroxide (LDH) based materials have been given a lot of attention to the researchers due to significant advances in enabling efficient oxygen evolution. Their exceptional layered structure, sole electronic structure, and high specific surface area, makes them to show good OER catalytic performance. The catalytic performances of LDHs are largely governed by their composition, morphology, and intercalated anions, which can be produced via exfoliation processes and different synthetic methods. Although LDH materials have enormous advantages in energy-related applications, there are still some inherent drawbacks in the OER process that need to be overcome for long-term usage. These drawbacks in the internal properties of LDHs are attributed to their low electrical conductivity and structural collapse, particularly during the exfoliation process, making the OER kinetics unpredictable. To overcome these drawbacks, researchers have developed many strategies recently, and these are (i) nano-structuring; (ii) the addition of cations; (iii) anion exchange; (iv) the synthesis of materials with conductive supports; and (v) vacancy creation. Hence, this review ultimately focuses on how to overcome the extensive issues faced by LDHs in terms of synthetic and exfoliation methods and discusses various strategies developed in recent years in the field of the electrocatalytic water-based oxygen evolution reaction.
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