Abstract
Our previous work suggested that more carboxylate groups might lead to higher energy density for metal-organic frameworks. In this study, we synthesized a layered metal-organic framework (MOF) Ni-BHC by use of 1,2,3,4,5,6-benzenehexacarboxylic acid. After evacuation by thermal treatment, this MOF was employed as an anode for lithium storage. For its rich lithiation sites as well as layered fast-kinetics structure, it delivers a superior reversible capacity of 1261.3 mA h g-1 at 100 mA g-1, far exceeding the performance of previously reported MOF-based anode materials. Density functional theory calculation and O soft X-ray absorption spectroscopy suggest that the luxuriant carboxylate-metal units play an important part in the electrochemical process.
| Original language | English |
|---|---|
| Pages (from-to) | 3126-3132 |
| Number of pages | 7 |
| Journal | Inorganic Chemistry |
| Volume | 57 |
| Issue number | 6 |
| DOIs | |
| State | Published - 19 Mar 2018 |
| Externally published | Yes |
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