Interface engineering of heterostructural quantum dots towards high-rate and long-life lithium-sulfur full batteries

Fei Ma; Xiaosong Xiong; Ziheng Zhang; Yu Wu; Daiqian Chen; Hesheng Yu; Yue Wang; Xinsheng Li; Wei Li; Jiarui He; Yuanfu Chen; Yuping Wu

doi:10.1016/j.nanoen.2024.110445

Interface engineering of heterostructural quantum dots towards high-rate and long-life lithium-sulfur full batteries

Fei Ma
, Xiaosong Xiong
, Ziheng Zhang
, Yu Wu
, Daiqian Chen
, Hesheng Yu
, Yue Wang
, Xinsheng Li
, Wei Li^*
, Jiarui He
, Yuanfu Chen^*
, Yuping Wu

^*Corresponding author for this work

University of Electronic Science and Technology of China
Southwest Jiaotong University
Southeast University, Nanjing
Wuhan University

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

29 Citations (Scopus)

Abstract

Despite being as next-generation energy storage systems with ultra-high theoretical energy density of 2600 Wh kg⁻¹, lithium-sulfur (Li-S) batteries face serious hurdles due to the sluggish redox kinetics in S cathodes and uncontrollable growth of dendrites in Li anodes. To simultaneously address such issues, herein, we present an interface engineering strategy to develop a dual-functional host for S cathode and Li anode, which is constructed by heterostructural WC-WN_0.67 quantum dots homogeneously embedded in N-doped graphene nanosheets (WC-WN_0.67@NG). As a result, the Li-S full batteries deliver a high reversible capacity of 704 mA h g⁻¹ even at a high rate of 4 C, and demonstrate a long-term cycling stability even at 2 C with a low degradation rate of 0.027 % over 1200 cycles. This work paves the way to facilitate the practical applications of Li-S batteries through interface engineering of dual-functional heterostructural quantum-dot host.

Original language	English
Article number	110445
Journal	Nano Energy
Volume	133
DOIs	https://doi.org/10.1016/j.nanoen.2024.110445
Publication status	Published - Jan 2025
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Dual-functional host
Li-S full batteries
Li-dendrite growth
Polysulfide shuttle
WC-WN heterostructure

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10.1016/j.nanoen.2024.110445

Cite this

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title = "Interface engineering of heterostructural quantum dots towards high-rate and long-life lithium-sulfur full batteries",

abstract = "Despite being as next-generation energy storage systems with ultra-high theoretical energy density of 2600 Wh kg−1, lithium-sulfur (Li-S) batteries face serious hurdles due to the sluggish redox kinetics in S cathodes and uncontrollable growth of dendrites in Li anodes. To simultaneously address such issues, herein, we present an interface engineering strategy to develop a dual-functional host for S cathode and Li anode, which is constructed by heterostructural WC-WN0.67 quantum dots homogeneously embedded in N-doped graphene nanosheets (WC-WN0.67@NG). As a result, the Li-S full batteries deliver a high reversible capacity of 704 mA h g−1 even at a high rate of 4 C, and demonstrate a long-term cycling stability even at 2 C with a low degradation rate of 0.027 \% over 1200 cycles. This work paves the way to facilitate the practical applications of Li-S batteries through interface engineering of dual-functional heterostructural quantum-dot host.",

keywords = "Dual-functional host, Li-S full batteries, Li-dendrite growth, Polysulfide shuttle, WC-WN heterostructure",

author = "Fei Ma and Xiaosong Xiong and Ziheng Zhang and Yu Wu and Daiqian Chen and Hesheng Yu and Yue Wang and Xinsheng Li and Wei Li and Jiarui He and Yuanfu Chen and Yuping Wu",

note = "Publisher Copyright: {\textcopyright} 2024 Elsevier Ltd",

year = "2025",

month = jan,

doi = "10.1016/j.nanoen.2024.110445",

language = "English",

volume = "133",

journal = "Nano Energy",

issn = "2211-2855",

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TY - JOUR

T1 - Interface engineering of heterostructural quantum dots towards high-rate and long-life lithium-sulfur full batteries

AU - Ma, Fei

AU - Xiong, Xiaosong

AU - Zhang, Ziheng

AU - Wu, Yu

AU - Chen, Daiqian

AU - Yu, Hesheng

AU - Wang, Yue

AU - Li, Xinsheng

AU - Li, Wei

AU - He, Jiarui

AU - Chen, Yuanfu

AU - Wu, Yuping

PY - 2025/1

Y1 - 2025/1

N2 - Despite being as next-generation energy storage systems with ultra-high theoretical energy density of 2600 Wh kg−1, lithium-sulfur (Li-S) batteries face serious hurdles due to the sluggish redox kinetics in S cathodes and uncontrollable growth of dendrites in Li anodes. To simultaneously address such issues, herein, we present an interface engineering strategy to develop a dual-functional host for S cathode and Li anode, which is constructed by heterostructural WC-WN0.67 quantum dots homogeneously embedded in N-doped graphene nanosheets (WC-WN0.67@NG). As a result, the Li-S full batteries deliver a high reversible capacity of 704 mA h g−1 even at a high rate of 4 C, and demonstrate a long-term cycling stability even at 2 C with a low degradation rate of 0.027 % over 1200 cycles. This work paves the way to facilitate the practical applications of Li-S batteries through interface engineering of dual-functional heterostructural quantum-dot host.

AB - Despite being as next-generation energy storage systems with ultra-high theoretical energy density of 2600 Wh kg−1, lithium-sulfur (Li-S) batteries face serious hurdles due to the sluggish redox kinetics in S cathodes and uncontrollable growth of dendrites in Li anodes. To simultaneously address such issues, herein, we present an interface engineering strategy to develop a dual-functional host for S cathode and Li anode, which is constructed by heterostructural WC-WN0.67 quantum dots homogeneously embedded in N-doped graphene nanosheets (WC-WN0.67@NG). As a result, the Li-S full batteries deliver a high reversible capacity of 704 mA h g−1 even at a high rate of 4 C, and demonstrate a long-term cycling stability even at 2 C with a low degradation rate of 0.027 % over 1200 cycles. This work paves the way to facilitate the practical applications of Li-S batteries through interface engineering of dual-functional heterostructural quantum-dot host.

KW - Dual-functional host

KW - Li-S full batteries

KW - Li-dendrite growth

KW - Polysulfide shuttle

KW - WC-WN heterostructure

UR - https://www.scopus.com/pages/publications/85208191761

U2 - 10.1016/j.nanoen.2024.110445

DO - 10.1016/j.nanoen.2024.110445

M3 - Article

AN - SCOPUS:85208191761

SN - 2211-2855

VL - 133

JO - Nano Energy

JF - Nano Energy

M1 - 110445

ER -

Interface engineering of heterostructural quantum dots towards high-rate and long-life lithium-sulfur full batteries

Abstract

UN SDGs

Keywords

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