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Stabilizing Interface pH by N‐Modified Graphdiyne for Dendrite‐Free and High‐Rate Aqueous Zn‐Ion Batteries
Abstract
Zn dendrite issue was intensively studied via tuning zinc ion flux. pH change seriously influences dendrite formation, while its importance has not been revealed. Here, we construct a N‐modification graphdiyne interface (NGI) to stabilize pH by mediating hydrated zinc ion desolvation. Operando pH detection reveals pH stabilization by NGI. This works with pores in NGI to achieve dendrite‐free Zn deposition and an increased symmetric cell lifespan by 116 times. Experimental and theoretical results owe pH stabilization to desolvation with a reduced activation energy achieved by electron transfer from solvation sheath to N atom. The efficient desolvation ensures that electron directly transfers from substrate to Zn 2+ (rather than the coordinated H 2 O), avoiding O−H bond splitting. Hence, Zn‐V 6 O 13 battery achieves a long lifespan at 20.65 mA cm−2 and 1.07 mAh cm−2. This work reveals the significance of interface pH and provides a new approach to address Zn dendrite issue.
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Cites
Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution
Xue, Y., Huang, B., Yi, Y., Guo, Y., Zuo, Z., Li, Y., Jia, Z., Liu, H., & Li, Y. (2018) · Nature Communications · doi:10.1038/s41467-018-03896-4 · Cited by 1,011
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Cited by
Two-Dimensional Carbon Graphdiyne: Advances in Fundamental and Application Research
Zheng, X., Chen, S., Li, J., Wu, H., Zhang, C., Zhang, D., Chen, X., Gao, Y., He, F., Hui, L., et al. (2023) · ACS Nano · doi:10.1021/acsnano.3c03849 · Cited by 283
Self-citationA new carbon allotrope: Graphdiyne
Zheng, Z., Xue, Y., & Li, Y. (2022) · Trends in Chemistry · doi:10.1016/j.trechm.2022.05.006 · Cited by 73
Self-citationHalogen Tailoring of Platinum Electrocatalyst with High CO Tolerance for Methanol Oxidation Reaction
Hui, L., Yan, D., Zhang, X., Wu, H., Li, J., & Li, Y. (2024) · Angewandte Chemie International Edition · doi:10.1002/anie.202410413 · Cited by 56
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Metadata
- Authors
- Yang, Q., Li, L., Hussain, T., Wang, D., Hui, L., Guo, Y., Liang, G., Li, X., Chen, Z., Huang, Z., Li, Y., Xue, Y., Zuo, Z., Qiu, J., Li, Y., & Zhi, C.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2021-12-20
- Volume
- 61
- Issue
- 6
- Pages
- e202112304-e202112304
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W3213139907
- Cited by
- 210
- References
- 1
- FWCI
- 12.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, Q., Li, L., Hussain, T., Wang, D., Hui, L., Guo, Y., Liang, G., Li, X., Chen, Z., Huang, Z., Li, Y., Xue, Y., Zuo, Z., Qiu, J., Li, Y., & Zhi, C. (2022). Stabilizing Interface pH by N‐Modified Graphdiyne for Dendrite‐Free and High‐Rate Aqueous Zn‐Ion Batteries. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202112304
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