A nickel coordination polymer derived from 1,2,4,5-tetraaminobenzene for fast and stable potassium battery anodes

Roman R. Kapaev; Ivan S. Zhidkov; Ernst Z. Kurmaev; Keith J. Stevenson; Pavel A. Troshin

doi:10.1039/c9cc07748k

A nickel coordination polymer derived from 1,2,4,5-tetraaminobenzene for fast and stable potassium battery anodes

Roman R. Kapaev, Ivan S. Zhidkov, Ernst Z. Kurmaev, Keith J. Stevenson, Pavel A. Troshin

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

We report the application of a Ni-based coordination polymer derived from 1,2,4,5-tetraaminobenzene (P1) as a fast and stable potassium battery anode. In a voltage range of 0.5-2.0 V vs. K⁺/K, a reversible capacity of 220 mA h g^-1 was obtained at 0.1 A g^-1. Even with a relatively high electrode loading of 5.0 mg cm^-2 and only 10 wt% carbon additive, 118 mA h g^-1 was still retained at 1 A g^-1. For thinner electrodes with 30 wt% carbon, a capacity of up to 104 mA h g^-1 was observed at 10 A g^-1 (charging in ∼40 seconds). An areal capacity of up to 2.73 mA h cm^-2 was demonstrated. The capacity fade at 1 A g^-1 was only 4.4% after 200 cycles. Structure transformations of P1 during charge/discharge were studied using X-ray photoelectron spectroscopy and in situ X-ray diffraction.

Original language	English
Pages (from-to)	1541-1544
Number of pages	4
Journal	Chemical Communications
Volume	56
Issue number	10
DOIs	https://doi.org/10.1039/c9cc07748k
State	Published - 4 Feb 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2020 The Royal Society of Chemistry.

Funding

The synthesis and characterization were financially supported by the Russian Science Foundation, project 16-13-00111. P. A. T. acknowledges the support from the Russian Ministry of Science and Education, project 0089-2019-0010. XPS measurements were supported by the Ministry of Education and Science of Russia (Act 211, Agreement No. 02.A03.21.0006 and Theme ‘‘Electron’’ No. AAAA-A18-118020190098-5).

Funders	Funder number
Ministry of Education and Science of the Russian Federation	0089-2019-0010
Russian Science Foundation	16-13-00111

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abstract = "We report the application of a Ni-based coordination polymer derived from 1,2,4,5-tetraaminobenzene (P1) as a fast and stable potassium battery anode. In a voltage range of 0.5-2.0 V vs. K+/K, a reversible capacity of 220 mA h g-1 was obtained at 0.1 A g-1. Even with a relatively high electrode loading of 5.0 mg cm-2 and only 10 wt% carbon additive, 118 mA h g-1 was still retained at 1 A g-1. For thinner electrodes with 30 wt% carbon, a capacity of up to 104 mA h g-1 was observed at 10 A g-1 (charging in ∼40 seconds). An areal capacity of up to 2.73 mA h cm-2 was demonstrated. The capacity fade at 1 A g-1 was only 4.4% after 200 cycles. Structure transformations of P1 during charge/discharge were studied using X-ray photoelectron spectroscopy and in situ X-ray diffraction.",

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AU - Stevenson, Keith J.

AU - Troshin, Pavel A.

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AB - We report the application of a Ni-based coordination polymer derived from 1,2,4,5-tetraaminobenzene (P1) as a fast and stable potassium battery anode. In a voltage range of 0.5-2.0 V vs. K+/K, a reversible capacity of 220 mA h g-1 was obtained at 0.1 A g-1. Even with a relatively high electrode loading of 5.0 mg cm-2 and only 10 wt% carbon additive, 118 mA h g-1 was still retained at 1 A g-1. For thinner electrodes with 30 wt% carbon, a capacity of up to 104 mA h g-1 was observed at 10 A g-1 (charging in ∼40 seconds). An areal capacity of up to 2.73 mA h cm-2 was demonstrated. The capacity fade at 1 A g-1 was only 4.4% after 200 cycles. Structure transformations of P1 during charge/discharge were studied using X-ray photoelectron spectroscopy and in situ X-ray diffraction.

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A nickel coordination polymer derived from 1,2,4,5-tetraaminobenzene for fast and stable potassium battery anodes

Abstract

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