方向4:锂电池电极材料

锂离子电池目前已广泛应用于人们的生产生活中,并促使手机、笔记本电脑、数码相机等技术得到高速发展。此外,随着电动汽车行业的迅猛发展,锂离子电池在动力储能电源方面的应用占比也逐年增加。锂离子电池主要依靠锂离子在正极和负极之间移动来工作。在充放电过程中,锂离子在两个电极之间往返嵌入和脱嵌:充电时,锂离子从正极脱嵌,经过电解质嵌入负极,负极处于富锂状态;放电时则相反。锂离子电极材料应满足以下三个条件:一是充放电过程中,材料与电解质有较好的电化学相容性,且在全充电状态下保持电化学稳定性;二是具有较好的电极过程动力学性能;三是具有锂离子嵌入脱出的完全可逆性能。我们主要针对锂离子电池电极材料(富锂锰、无钴高镍、生物炭等)进行研究。

锂离子电池的工作原理示意图

代表性成果:

一、学术论文

[1] Weifeng Deng, Liang Chen*, Xijun Wei, Xin Tang, Kaibo Zhang, Jinhan Teng, Jing Li, Qin Chen, Huimin Zhang, Hao Duan, Hao Li, Jinchao Li*, Yaping Zhang*. Waste biomass-derived hard carbon: Synergistic of ultra-microporous structure and N/S doping for enhanced sodium storage performance, Journal of Energy Storage 174 (2026) 123163.

[2] Weifeng Deng, Liang Chen*, Hao Li, Xin Tang, Kaibo Zhang, Jinhan Teng, Jing Li, Qin Chen, Huimin Zhang, Hao Duan, Jinchao Li*, Yaping Zhang*. Waste banana bract-derived porous carbon as anode for lithium/sodium-ion batteries with hybrid adsorption-pore filling/insertion mechanism, Journal of Power Sources 654 (2025) 237813.

[3] Jinchao Li, Weifeng Deng, Hao Li, Liang Chen*, Yaping Zhang*, Jing Li, Yingze Song, Hao Duan. Biomass-derived N-P double-doped porous carbon spheres and their lithium storage mechanism, International Journal of Hydrogen Energy 56 (2024) 828-836.

[4] Hao Li, Huan Luo, Jinhan Teng, Shengxu Yuan, Jinchao Li*, Yaping Zhang*, Hao Duan, Jing Li. Lotus root-derived porous carbon as an anode material for lithium-ion batteries, Chemistry Select 33 (2022) e202202413.

[5] Huan Luo, Hao Li, Shengxu Yuan, Jinchao Li*, Yaping Zhang*, Hao Duan, Jing Li. Enhanced electrochemical performance of Li-rich manganese layered oxide Li1.2Mn0.54Ni0.13Co0.13O2 by surface modification with Al2O3-ZrO2 for lithium-ion battery, Journal of Materials Science: Materials in Electronics 33 (2022) 20518-20531.

[6] Zeheng Li, Yaping Zhang*, Tiefeng Liu, Xuehui Gao, Siyuan Li, Min Ling*, Chengdu Liang, Junchao Zheng*, Zhan Lin*. Silicon anode with high initial coulombic efficiency by modulated trifunctional binder for high-areal-capacity lithium-ion batteries, Advanced Energy Materials 10 (2020) 1903110.

二、发明专利

[1] 张亚萍,李劲超,李豪,罗欢,袁盛旭,段浩,罗钢,杨志刚. 一种分级多孔生物质碳材料的制备方法及储能应用,ZL 202210514949.8

[2] 张亚萍,李劲超,罗欢,李豪,袁盛旭,段浩,罗钢,杨志刚. Al2O3-ZrO2包覆的富锂锰基正极材料及其制备方法,ZL 202111581622.4

[3] 张亚萍,李劲超,李豪,邓伟峰,袁盛旭,李晶,段浩. 一种生物质碳微球材料的制备方法及应用,ZL 202310298638.7

资助项目:

射洪市经济技术开发区管委会项目(No. 21zh0226)

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