Journal
CHEMSUSCHEM
Volume 13, Issue 6, Pages 1226-1254Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201902753
Keywords
energy storage; layered double hydroxides; layered compounds; nanostructures; supercapacitors
Funding
- MOE, Singapore Ministry of Education [MOE2018-T2-2-095]
- National Natural Science Foundation of China [51202054]
- China Scholarship Council [201808320091]
- Changshu Institute of Technology Research Project of China [XZ1627]
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High-performance supercapacitors have attracted great attention due to their high power, fast charging/discharging, long lifetime, and high safety. However, the generally low energy density and overall device performance of supercapacitors limit their applications. In recent years, the design of rational electrode materials has proven to be an effective pathway to improve the capacitive performances of supercapacitors. Layered double hydroxides (LDHs), have shown great potential in new-generation supercapacitors, due to their unique two-dimensional layered structures with a high surface area and tunable composition of the host layers and intercalation species. Herein, recent progress in LDH-based, LDH-derived, and composite-type electrode materials targeted for applications in supercapacitors, by tuning the chemical/metal composition, growth morphology, architectures, and device integration, is reviewed. The complicated relationships between the composition, morphology, structure, and capacitive performance are presented. A brief projection is given for the challenges and perspectives of LDHs for energy research.
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