Qiangqiang Qiao

Zhejiang University of Technology

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Yujing Liu

Zhejiang University of Technology

Jianmin Luo

Zhejiang University of Technology

Yao Wang

Zhejiang University of Technology

Huadong Yuan

Zhejiang University of Technology

Ke Yue

Zhejiang University of Technology

Jianwei Nai

Zhejiang University of Technology

Jiale Zheng

Zhejiang University of Technology

Cong Ma

Zhejiang University of Technology

Juxin Yue

Zhejiang University of Technology

Xinyong Tao

Zhejiang University of Technology

Cooperative Institutions

Zhejiang University of Technology

Hangzhou Xixi hospital

Hangzhou Academy of Agricultural Sciences

Zhejiang University

Ministry of Education of the People's Republic of China

State Council of the People's Republic of China

Shanghai Jiao Tong University

Tsinghua University

Chinese Academy of Sciences

University of Chinese Academy of Sciences

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Ordering Sulfonic Groups Facilitate a Li₃N‐Enriched Interphase via Directing the Decomposition of LiNO₃

Advanced Functional Materials (2024)

Cong Ma Qiangqiang Qiao Ke Yue Juxin Yue Xiaohan Cai

Abstract The practical application of high‐energy lithium (Li) metal anodes is plagued by the severe issues of interfacial instability. The Li 3 N originated from the decomposition of LiNO 3 is believed to endow the solid electrolyte interphase (SEI) with high stability and ionic conductivity. However, the precise control on the decomposition of LiNO 3 is still challenging due to the sophisticated reaction pathways and high energy barriers. In this study, a self‐assembled monolayers (SAMs) with densely packed and long‐range ordered sulfonic acid groups on an alumina‐coated separator are designed. By providing a strong dipole moment, this SAMs efficiently facilitate the rapid and deep decomposition of LiNO 3 , leading to the formation of an SEI rich in Li 3 N nanocrystals. Notably, under the stringent conditions of 5 mA cm −2 and 5 mAh cm −2 , the Li/Li symmetric cell is still able to cycle stably for 1000 h under the stable nitrided interface induced by the SAMs. Consequently, the application scenarios of SAMs technology in precisely controlling electrolyte decomposition processes are successfully expanded to stabilize the interphase of metallic Li anode with high energy‐density.

Interphase

10.1002/adfm.202406479

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π–π Stacked Nigrosine@Carbon Nanotube Nanocomposite as an All-in-One Additive for High Energy Flexible Batteries

ACS Nano (2024)

Zhihao Xing Shihui Zou Cong Ma Qiangqiang Qiao Xiaohan Cai

The pursuit of high energy density in lithium batteries has driven the development of efficient electrodes with low levels of inactive components. Herein, a facile approach involving the use of π-π stacked nigrosine@carbon nanotube nanocomposites as an all-in-one additive for a LiFePO

Carbon fibers

10.1021/acsnano.4c04624

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In Situ Self‐Polymerization of Thioctic Acid Enabled Interphase Engineering Towards High‐Performance Lithium–Sulfur Battery

Advanced Energy Materials (2024)

Liujian Wang Ke Yue Qiangqiang Qiao Zihao Zhao Yanyan Xu

Abstract Lithium–sulfur (Li–S) batteries possess high theoretical energy density, whereas the shuttle effect of polysulfides and the uncontrollable lithium (Li) dendrites seriously reduce the reversible capacity and cycling lifespan. Constructing an interphase to address the issues in both the cathode and anode simultaneously is significant but still challenging. In this study, a strategy of functionalizing commercial polypropylene (PP) separators is proposed by in situ poly(thioctic acid) (PTA) polymerization. Compared with the conventional separator modifications, the ring‐opening polymerization methodology initiated by heat is more facile and environment‐friendly without changing the nanostructures among the porous separators. On the cathode side, the PTA‐coated separator (PTA‐PP) blocks the shuttle of polysulfides through the electrostatic interaction. On the anode side, the PTA‐coated generates a lithium fluoride (LiF)‐rich solid electrolyte interface (SEI), identified by cryo‐transmission electron microscopy (cryo‐TEM), to accelerate the Li + diffusion and inhibit the growth of Li dendrites. Due to the interphases constructed by the PTA‐PP separator, the Li–S cells exhibit excellent long‐term cycling in which the capacity retention rate is more than 76% after 700 cycles at 0.5 C. The in situ elaborate modification strategy may provide insights into the high‐performance separator design to promote the potentially large‐scale applications of Li–S batteries.

Thioctic Acid

Interphase

In situ polymerization

Lithium–sulfur battery

10.1002/aenm.202402617

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High-voltage electrosynthesis of organic-inorganic hybrid with ultrahigh fluorine content toward fast Li-ion transport

Science Advances (2024)

Gongxun Lu Qiangqiang Qiao Mengtian Zhang Jinsen Zhang Shuai Li

Hybrid materials with a rational organic-inorganic configuration can offer multifunctionality and superior properties. This principle is crucial but challenging to be applied in designing the solid electrolyte interphase (SEI) on lithium metal anodes (LMAs), as it substantially affects Li

Electrosynthesis

Fluorine

Inorganic ions

10.1126/sciadv.ado7348

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Citations (9)