N、P/RC@Pb复合材料在铅碳电池负极中的应用

doi:10.11896/cldb.23030049

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Abstract To ameliorate the problems of uneven Pb-carbon mixing and anode hydrogen precipitation, N, P-doped carbon materials compounded with Pb(N, P/RC@Pb) were prepared with D418 macroporous chelated phosphate resin as the carbon source. The materials were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM), and the negative plates and lead-carbon batteries with N, P/RC@Pb composites added were investigated. The results show that Pb is uniformly distributed on the surface of the resin carbon and is tightly bound to the resin carbon in the form of Pb complexes. Linear voltammetry (LSV) tests showed that the addition of N, P/RC@Pb effectively suppressed the hydrogen precipitation reaction (HER), with the 1% N, P/RC@Pb electrode plate having the smallest hydrogen precipitation current (-0.087 A/cm²) at -0.46 V, closer to the blank group (-0.053 A/cm²). In battery cycling tests, the addition of 1wt% N, P/RC@Pb simulated battery life of 1 834 and the blank battery life of 837. In the capacity test, the N, P/RC@Pb battery has a capacity of 240.9 mAh, while the blank battery is only 157.8 mAh, an improvement of 53%. N, P/RC@Pb composites are simple and low-cost to prepare, improve the problem of uneven mixing of lead and carbon, effectively inhibit the hydrogen precipitation reaction on carbon, and have potential applications in lead-carbon batteries.

Key words： high-rate partial state of charge(HRPSoC) lead-carbon battery porous carbon material hydrogen evolution reaction(HER)

Published: 10 October 2024 Online: 2024-10-23

CLC number:

TM912

Fund:Natural Science Research Project of Colleges and Universities in Anhui Province (KJ2018ZD049).

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	Articles by authors
	XIE Fazhi
	ZHANG Meng
	ZHANG Daode
	YANG Shaohua
	SONG Hengshuai
	MA Yujia
	FANG Liang
	SHAO Yonggang

Cite this article:

XIE Fazhi,ZHANG Meng,ZHANG Daode, et al. Application of N, P/RC@Pb Composites to the Negative Electrode of Lead-Carbon Battery[J]. Materials Reports, 2024, 38(19): 23030049-9.

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http://www.mater-rep.com/EN/10.11896/cldb.23030049 OR http://www.mater-rep.com/EN/Y2024/V38/I19/23030049

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