The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.
Toward Flexible Zinc‐Ion Hybrid Capacitors with Superhigh Energy Density and Ultralong Cycling Life: The Pivotal Role of ZnCl2 Salt‐Based Electrolytes
Abstract
Zinc ion hybrid capacitors (ZIHCs) are promising energy storage devices for emerging flexible electronics, but they still suffer from trade‐off in energy density and cycling life. Herein, we show that such a dilemma can be well‐addressed by deploying ZnCl 2 based electrolytes. Combining experimental studies and density functional theory (DFT) calculations, for the first time, we demonstrate an intriguing chloride ion (Cl−) facilitated desolvation mechanism in hydrated [ZnCl]+(H 2 O)n−1 (with n=1–6) clusters. Based on this mechanism, a water‐in‐salt type hydrogel electrolyte filled with ZnCl 2 was developed to concurrently improve the energy storage capacity of porous carbon materials and the reversibility of Zn metal electrode. The resulting ZIHCs deliver a battery‐level energy density up to 217 Wh kg−1 at a power density of 450 W kg−1, an unprecedented cycling life of 100 000 cycles, together with excellent low‐temperature adaptability and mechanical flexibility.
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Cites
Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer
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“Water-in-salt” electrolyte enables high-voltage aqueous lithium-ion chemistries
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Self-citationPhenomenological Theory of Ion Solvation. Effective Radii of Hydrated Ions
Nightingale, E. R. (1959) · The Journal of Physical Chemistry · doi:10.1021/j150579a011 · Cited by 3,505
Highly reversible zinc metal anode for aqueous batteries
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Self-citationEfficient storage mechanisms for building better supercapacitors
Salanne, M., Rotenberg, B., Naoi, K., Kaneko, K., Taberna, P.-L., Grey, C. P., Dunn, B., & Simon, P. (2016) · Nature Energy · doi:10.1038/nenergy.2016.70 · Cited by 2,181
Hybrid energy storage: the merging of battery and supercapacitor chemistries
Dubal, D. P., Ayyad, O., Ruiz, V., & Gómez-Romero, P. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00266k · Cited by 2,180
Energetic Zinc Ion Chemistry: The Rechargeable Zinc Ion Battery
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Towards flexible solid-state supercapacitors for smart and wearable electronics
Dubal, D. P., Chodankar, N. R., Kim, D.-H., & Gomez-Romero, P. (2018) · Chemical Society Reviews · doi:10.1039/c7cs00505a · Cited by 1,725
Extremely safe, high-rate and ultralong-life zinc-ion hybrid supercapacitors
Dong, L., Ma, X., Li, Y., Zhao, L., Liu, W., Cheng, J., Xu, C., Li, B., Yang, Q.-H., & Kang, F. (2018) · Energy Storage Materials · doi:10.1016/j.ensm.2018.01.003 · Cited by 820
A ZnCl2 water-in-salt electrolyte for a reversible Zn metal anode
Zhang, C., Holoubek, J., Wu, X., Daniyar, A., Zhu, L., Chen, C., Leonard, D. P., Rodríguez-Pérez, I. A., Jiang, J.-X., Fang, C., et al. (2018) · Chemical Communications · doi:10.1039/c8cc07730d · Cited by 748
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Metadata
- Authors
- Wang, C., Pei, Z., Meng, Q., Zhang, C., Sui, X., Yuan, Z., Wang, S., & Chen, Y.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2020-11-03
- Volume
- 60
- Issue
- 2
- Pages
- 990-997
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W3088566282
- Cited by
- 394
- References
- 38
- FWCI
- 32.45
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, C., Pei, Z., Meng, Q., Zhang, C., Sui, X., Yuan, Z., Wang, S., & Chen, Y. (2021). Toward Flexible Zinc‐Ion Hybrid Capacitors with Superhigh Energy Density and Ultralong Cycling Life: The Pivotal Role of ZnCl2 Salt‐Based Electrolytes. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202012030
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