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学者姓名：张红
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Abstract ：
The commercial application of flexible lithium-sulfur batteries is severely hindered by poor conductivity, low active material loading, polysulfide shuttle effects, and sluggish redox kinetics. Herein, we developed a unique three-dimensional (3D) conductive network framework decorated with NiCo bimetallic particles. The 3D porous carbon conductive network skeleton formed by crosslinked carbon nanotubes effectively mitigates the volume expansion of sulfur and accommodates abundant active materials for high discharge capacity. Meanwhile, the NiCo bimetallic combines the catalytic role of Ni in sulfur reduction and Co in sulfur oxidation to achieve improved kinetics of the entire conversion of sulfur. Most importantly, the sulfur host synergizes the conducting CNTs and catalytically active bimetallic, increasing conductance and accelerating reaction kinetics, resulting in a significant improvement in rate performance. Consequently, the cells equipped with NiCo@CNT-S cathode exhibit a low-capacity decay rate of only 0.07% per cycle over 400 cycles at 1C, and an ultra-high initial specific capacity of 1030 mAh g- 1 at a high rate of 5C. Notably, the pouch cell assembled with the NiCo@CNT-S could deliver a high areal discharge capacity of 8.2 mAh cm- 2 at 0.1C, with a sulfur loading of 7.1 mg cm-2 and an E/S ratio of 7.1 mu L mg-1. This work provides novel structural design and mechanism insights for the practical application of flexible lithium-sulfur batteries.
Keyword ：
Bimetal Bimetal Carbon nanotubes Carbon nanotubes Li-S batteries Li-S batteries Lithium polysulfides Lithium polysulfides Rate performance Rate performance
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| GB/T 7714 | Liao, Shuyu , Xie, Yonghui , Zheng, Wenrui et al. Enhancing rate performance in lithium-sulfur batteries via synergistic bidirectional catalysis and improved conductivity [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 506 . |
| MLA | Liao, Shuyu et al. "Enhancing rate performance in lithium-sulfur batteries via synergistic bidirectional catalysis and improved conductivity" . | CHEMICAL ENGINEERING JOURNAL 506 (2025) . |
| APA | Liao, Shuyu , Xie, Yonghui , Zheng, Wenrui , Huang, Zewei , Zhang, Hong , Luo, Zhong-Zhen et al. Enhancing rate performance in lithium-sulfur batteries via synergistic bidirectional catalysis and improved conductivity . | CHEMICAL ENGINEERING JOURNAL , 2025 , 506 . |
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Inorganic solid electrolyte-based all-solid-state lithium-sulfur batteries (ASSLSBs) have garnered significant attention due to their inherent safety and higher energy density, making them a promising candidate for the upcoming lithium batteries. However, employing sulfur as the active material in all-solid-state composite cathodes introduces two critical challenges: sluggish electrochemical reaction kinetics and insufficient solid-solid contact between the sulfur, conductive additive, and solid electrolyte phases. These issues directly impact battery performance and hinder the commercialization of ASSLSBs. In this comprehensive review, the underlying causes of these issues are first discussed to gain a fundamental understanding of potential improvement directions. Subsequently, we summarize the recent progress in enhancing sulfur reaction kinetics and optimizing solid-solid contact. The fundamental principles, fabrication techniques, and resultant performance enhancement of diverse strategies are systematically categorized, summarized, and evaluated. Finally, the challenges and future outlook of advanced ASSLSB cathode research are discussed at the end of this review. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic): (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic),(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)-(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)-(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic),(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic),(sic)(sic) (sic)(sic)(sic). (sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic).
Keyword ：
all-solid-state lithium-sulfur batteries all-solid-state lithium-sulfur batteries cathode modifications cathode modifications inorganic solid-state electrolytes inorganic solid-state electrolytes sulfur cathodes sulfur cathodes
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| GB/T 7714 | Huang, Zewei , Deng, Liying , Li, Wangyang et al. Towards high performance inorganic all-solid-state lithium-sulfur batteries: strategies for enhancing reaction kinetics and solid-solid contact [J]. | SCIENCE CHINA-MATERIALS , 2025 , 68 (5) : 1530-1541 . |
| MLA | Huang, Zewei et al. "Towards high performance inorganic all-solid-state lithium-sulfur batteries: strategies for enhancing reaction kinetics and solid-solid contact" . | SCIENCE CHINA-MATERIALS 68 . 5 (2025) : 1530-1541 . |
| APA | Huang, Zewei , Deng, Liying , Li, Wangyang , Zhang, Jie , Liao, Shuyu , Zhang, Hong et al. Towards high performance inorganic all-solid-state lithium-sulfur batteries: strategies for enhancing reaction kinetics and solid-solid contact . | SCIENCE CHINA-MATERIALS , 2025 , 68 (5) , 1530-1541 . |
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Lithium metal, distinguished by its low reduction potential and high theoretical capacity, is regarded as the optimal choice for the next generation of anode materials. However, the uneven deposition behavior of lithium metal anodes (LMAs) and their infinite volume change during repeated cycling significantly restrict their commercialization applications. Herein, a lithiophilic ZnCo2O4 nanowire-decorated three-dimensional conductive framework (ZCO@CP) was prepared by a simple hydrothermal annealing method and employed as a multifunctional interlayer for hyperstable LMAs. As a Li+ redistributor and lithiophilic host, the ZCO@CP interlayer can effectively reduce the nucleation barrier and enhance the rate of Li deposition. As a result, ZCO@CP-Li symmetric cells demonstrate superior long-term stability of Li plating/stripping over 1100 cycles at a high current density of 40 mA cm-2 and a high areal capacity of 10 mA h cm-2. Furthermore, ZCO@CP-Li//LFP full cells exhibit a high discharge capacity of 131.8 mA h g-1 after 200 cycles at 1 C, demonstrating excellent cycling stability. This work lays a foundation for the development of practical LMAs capable of operating at high current densities and large areal capacities.
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| GB/T 7714 | Yang, Tengjun , Zheng, Wenrui , Xie, Yonghui et al. A lithiophilic bimetallic oxide interlayer enabling high-rate and dendrite-free lithium metal anodes [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2025 , 13 (21) : 15673-15679 . |
| MLA | Yang, Tengjun et al. "A lithiophilic bimetallic oxide interlayer enabling high-rate and dendrite-free lithium metal anodes" . | JOURNAL OF MATERIALS CHEMISTRY A 13 . 21 (2025) : 15673-15679 . |
| APA | Yang, Tengjun , Zheng, Wenrui , Xie, Yonghui , Zhang, Hong , Zhang, Caixia , Luo, Zhong-Zhen et al. A lithiophilic bimetallic oxide interlayer enabling high-rate and dendrite-free lithium metal anodes . | JOURNAL OF MATERIALS CHEMISTRY A , 2025 , 13 (21) , 15673-15679 . |
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The development of sulfur host materials with high catalytic activity to tackle the shuttling effect of polysulfides and their slow conversion kinetics is a prospective strategy for improving the performance of lithium-sulfur batteries. However, it may result in excessively thick Li2S films that cover the entire electrode structure, consequently weakening the functionalization effect of the sulfur host. Herein, we developed a hierarchical structured sulfur host material composed of a three-dimensional composite conductive network of carbon nanotubes and Ni nanoparticles, along with Ni0.85Se nanosheets grown on its surface. The synergistic effects of hierarchical structure and conductive network accelerate the electron and ion transport, mitigate the volume expansion during lithiation, enhance the conversion kinetics of polysulfides, and importantly prevent the agglomeration of thick Li2S films, which results in a significant improvement in the electrochemical performance of the sulfur cathode. The developed CC@CNT/Ni-Ni0.85Se-S exhibits excellent rate performance and long-term stability, achieving a discharge-specific capacity of 965 mA h g-1 at 3 C and maintaining a discharge-specific capacity of 789 mA h g-1 even after 300 cycles at 1 C. Notably, the capacity retention rate is as high as 92.9% for 100 cycles at 0.1 C, even with a high sulfur loading of 4.0 mg mg-2. This work not only effectively mitigates the agglomeration of Li2S film but also offers a novel design approach for the practical application of high-energy-density lithium-sulfur batteries. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)Li2S(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)Ni0.85Se(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)Li2S(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)CC@CNT/Ni-Ni0.85Se-S(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)3 C(sic)(sic)(sic)(sic)(sic)(sic)965 mA h g-1(sic)(sic) (sic)(sic)(sic)(sic), (sic)(sic)1 C(sic)(sic)(sic)(sic)(sic)300(sic)(sic)(sic)(sic)(sic)(sic)(sic)789 mA h g-1(sic)(sic)(sic) (sic)(sic)(sic). (sic)(sic), (sic)(sic)(sic)4.0 mg cm-2(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)0.1 C(sic)(sic) (sic)100(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)92.9%. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)Li2S(sic) (sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic).
Keyword ：
carbon nanotube carbon nanotube catalysis catalysis hierarchical structure hierarchical structure lithium polysulfides lithium polysulfides lithium-sulfur batteries lithium-sulfur batteries metal selenide metal selenide
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| GB/T 7714 | Xie, Yonghui , Wu, Fan , Zheng, Wenrui et al. Mitigating Li2S agglomeration in lithium-sulfur batteries with hierarchically structured CNT/Ni-Ni0.85Se sulfur hosts [J]. | SCIENCE CHINA-MATERIALS , 2025 , 68 (4) : 1100-1108 . |
| MLA | Xie, Yonghui et al. "Mitigating Li2S agglomeration in lithium-sulfur batteries with hierarchically structured CNT/Ni-Ni0.85Se sulfur hosts" . | SCIENCE CHINA-MATERIALS 68 . 4 (2025) : 1100-1108 . |
| APA | Xie, Yonghui , Wu, Fan , Zheng, Wenrui , Zheng, Hong , Wang, Xinghui . Mitigating Li2S agglomeration in lithium-sulfur batteries with hierarchically structured CNT/Ni-Ni0.85Se sulfur hosts . | SCIENCE CHINA-MATERIALS , 2025 , 68 (4) , 1100-1108 . |
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Lithium metal is a promising anode material for high-energy-density batteries due to its exceptionally high theoretical capacity. However, challenges such as non-uniform deposition of lithium during charge/discharge cycling, which leads to the growth of lithium dendrites, impede the commercialization of lithium-metal anodes. Herein, we developed a lithophilic NiCo2O4 (NCO) nanoneedle-modified carbonized cotton napkin (CCN) to serve as a low-cost and lightweight interlayer for lithium metal anodes. The three-dimensional carbon network provides superior electronic and ionic conductivity, while the high lithiophilicity of NCO effectively reduces the nucleation overpotential of lithium and suppresses dendrite formation. Consequently, the NCO@CCN-Li symmetric cell demonstrates a stable cycling performance of 700 h at 20 mA cm- 2/10 mAh cm- 2 and maintains a stable cycle for 350 h even when the current density is increased to 40 mA cm- 2. Furthermore, the full cell paired with the LiFePO4 cathode (10.5 mg cm- 2) retains a discharge specific capacity of 134.5 mAh g- 1 after 200 cycles, with a capacity retention rate of 99.6 % and a coulombic efficiency of 99.7 %. This work provides valuable insights for the development of high-energy-density lithium-metal batteries.
Keyword ：
Bimetallic oxide Bimetallic oxide Carbon material Carbon material Lithiophilic interlayer Lithiophilic interlayer Lithium dendrites Lithium dendrites Lithium-metal batteries Lithium-metal batteries
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| GB/T 7714 | Lin, Jiaojuan , Xie, Yonghui , Yang, Tengjun et al. Development of a lithophilic NiCo2O4 nanoneedle-modified carbon cotton napkin interlayer for high-energy-density lithium metal anodes [J]. | JOURNAL OF POWER SOURCES , 2025 , 645 . |
| MLA | Lin, Jiaojuan et al. "Development of a lithophilic NiCo2O4 nanoneedle-modified carbon cotton napkin interlayer for high-energy-density lithium metal anodes" . | JOURNAL OF POWER SOURCES 645 (2025) . |
| APA | Lin, Jiaojuan , Xie, Yonghui , Yang, Tengjun , Zheng, Wenrui , Huang, Zewei , Zhang, Hong et al. Development of a lithophilic NiCo2O4 nanoneedle-modified carbon cotton napkin interlayer for high-energy-density lithium metal anodes . | JOURNAL OF POWER SOURCES , 2025 , 645 . |
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The poor conductivity of sulfur, non-uniform Li2S deposition, polysulfide shuttle effect, and slow reaction kinetics severely hinder the commercialization of flexible lithium-sulfur batteries. Herein, a unique flexible selfsupporting sulfur host featuring a dual-carbon layer hierarchical structure is developed, which possesses the following roles: 1) the inner three-dimensional carbon nanotube conductive network promotes electron and ion transport, alleviates sulfur volume expansion, and physically confines active materials; 2) the outer carbon layer modified with CoSe2 nanoparticles functions as a chemical adsorption carrier and electrocatalyst, effectively anchoring polysulfide and enhancing their conversion kinetics. The innovative design of the dual-carbon layer hierarchical structure and the "confinement-adsorption-catalysis" synergistic effect enable uniform Li2S deposition and significant enhancement of sulfur cathode electrochemical performance. Consequently, DC/CoSe2-S exhibited a low capacity decay rate of 0.07% per cycle over 400 cycles at 1C, with an average Coulombic efficiency of 99.3%. Notably, DC/CoSe2-S maintained a capacity retention of 98.4% at 0.1C for 100 cycles with a high sulfur loading of 4.0 mg cm- 2 (Electrolyte/Sulfur = 10 mu L mg- 1). Furthermore, the constructed pouch cells (Sulfur loading = 4.0 mg cm- 2, Electrolyte/Sulfur = 8.6 mu L mg-1) also operated stably for 50 cycles, demonstrating the promising potential for practical applications. This work provides new insights into the design of high-performance flexible lithium-sulfur batteries.
Keyword ：
Catalysis Catalysis Dual-carbon layer Dual-carbon layer Flexible lithium-sulfur batteries Flexible lithium-sulfur batteries Hierarchical structure Hierarchical structure Metal selenide Metal selenide
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| GB/T 7714 | Xie, Yonghui , Liao, Shuyu , Zheng, Wenrui et al. Dual-carbon layer hierarchical structured sulfur host for efficient Li2S storage and conversion in high-performance flexible lithium-sulfur batteries [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 519 . |
| MLA | Xie, Yonghui et al. "Dual-carbon layer hierarchical structured sulfur host for efficient Li2S storage and conversion in high-performance flexible lithium-sulfur batteries" . | CHEMICAL ENGINEERING JOURNAL 519 (2025) . |
| APA | Xie, Yonghui , Liao, Shuyu , Zheng, Wenrui , Zhang, Hong , Wang, Xinghui . Dual-carbon layer hierarchical structured sulfur host for efficient Li2S storage and conversion in high-performance flexible lithium-sulfur batteries . | CHEMICAL ENGINEERING JOURNAL , 2025 , 519 . |
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Along with the constantly evolving functional microsystems toward more diversification, the more rigorous design deliberation of pursuing higher mass-loading of electrode materials and low-temperature fabrication compatibility have imposed unprecedented demand on integrable all-solid-state thin-film microbatteries. While the classic thin-film intercalation cathode prepared by vacuum-based techniques inevitably encountered a post-annealing process, tape-casting technologies hold great merits both in terms of high-mass loading and low-temperature processing. In this work, a novel microbattery configuration is developed by the combination of traditional tape-casting thick electrodes and sputtered inorganic thin-film solid electrolytes (similar to 3 mu m lithium phosphorus oxynitride). Enabled by physically pressed or vapor-deposited Li as an anode, solid-state batteries with tape-casted LiFePO4 electrodes exhibit outstanding cyclability and stability. To meet integration requirements, LiFePO4/LiPON/Si microbatteries were successfully fabricated at low temperatures and found to achieve a wide operating temperature range. This novel configuration has good prospects in promoting the thin-film microbattery enabling a paradigm shift and satisfying diversified requirements.
Keyword ：
all-solid-state batteries all-solid-state batteries lithium phosphorus oxynitride lithium phosphorus oxynitride on-chip integration on-chip integration silicon anodes silicon anodes tape-casting electrodes tape-casting electrodes
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| GB/T 7714 | Ke, Bingyuan , Zhang, Congcong , Cheng, Shoulin et al. Tape-casting electrode architecture permits low-temperature manufacturing of all-solid-state thin-film microbatteries [J]. | INTERDISCIPLINARY MATERIALS , 2024 , 3 (4) : 621-631 . |
| MLA | Ke, Bingyuan et al. "Tape-casting electrode architecture permits low-temperature manufacturing of all-solid-state thin-film microbatteries" . | INTERDISCIPLINARY MATERIALS 3 . 4 (2024) : 621-631 . |
| APA | Ke, Bingyuan , Zhang, Congcong , Cheng, Shoulin , Li, Wangyang , Deng, Renming , Zhang, Hong et al. Tape-casting electrode architecture permits low-temperature manufacturing of all-solid-state thin-film microbatteries . | INTERDISCIPLINARY MATERIALS , 2024 , 3 (4) , 621-631 . |
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LiNi_(0.8)Co_(0.1)Mn_(0.1)O_2(NCM 811),具有高比容量、价格低廉以及环境友好等优点在固态电池领域已有较多学者研究。然而，较厚的固态电解质(>20μm)影响了其能量密度。作为一种常见的薄膜固态电解质，锂磷氧氮(LiPON)在薄膜固态电池领域受到普遍的关注。目前，尚未有研究将涂布的NCM 811与LiPON薄膜型电解质组合的固态电池。本工作以商业单面辊压NCM 811为阴极，结合磁控溅射LiPON电解质薄膜，Li箔为阳极成功制备全固态锂电池。循环测试结果表明，NCM 811/LiPON/Li箔全固态锂电池在15μA cm~(-2)电流密度下循环60圈后仍有54.85μAh cm~(-2)的面积比容量。且表现出优异的循环稳定性和倍率性能。此工作证明NCM 811阴极与LiPON电解质薄膜结合的全固态电池的制备是可行的，为NCM 811全固态电池的开发提供了一种新思路。
Keyword ：
LiPON LiPON NCM 811 NCM 811 全固态锂电池 全固态锂电池
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| GB/T 7714 | 张聪聪 , 柯秉渊 , 张红 et al. NCM 811/LiPON全固态锂电池的制备与性能研究 [J]. | 功能材料与器件学报 , 2023 , 29 (02) : 112-116 . |
| MLA | 张聪聪 et al. "NCM 811/LiPON全固态锂电池的制备与性能研究" . | 功能材料与器件学报 29 . 02 (2023) : 112-116 . |
| APA | 张聪聪 , 柯秉渊 , 张红 , 王星辉 . NCM 811/LiPON全固态锂电池的制备与性能研究 . | 功能材料与器件学报 , 2023 , 29 (02) , 112-116 . |
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With the exceptional merits of high energy density, low cost, and environmental friendliness, lithium-sulfur batteries are considered to be one of the most promising next-generation flexible rechargeable batteries. How-ever, the notorious "shuttle effect " has seriously hindered their practical applications. Herein, a strategy for designing multi-functional bilayer carbon structures is proposed, specifically, by employing a micrometer-thick graphene nanoflowers (GF) layer to encapsulate a micrometer-scale hybrid network skeleton composed of metallic Co and carbon nanotubes (CNT) as a flexible sulfur cathode host (Co/CNT@GF). Beneficial from the merits of chemical adsorption, electrocatalysis and volume expansion mitigation from the internal skeleton as well as the micrometer-level physical domain confinement by the external GF layer, the developed host could chemically trap, electrochemically catalyze, physically block and storage the lithium polysulfides. Due to the synergistic effect of these functions, the Co/CNT@GF-S delivers a superior discharge capacity of 799 mAh g(-1) with a decay rate as low as 0.08 % per cycle after 400 cycles at 1 C. Even at a high sulfur loading of 8.16 mg cm(-2), the average discharge capacity is as high as 5.05 mAh cm(-2) in 100 cycles. This work does not only contribute to the rational design of multi-functional bilayer structures but also offers a novel design method for the commercialization of flexible lithium-sulfur batteries with high-energy-density.
Keyword ：
Graphene nanoflower Graphene nanoflower Li -S batteries Li -S batteries Lithium polysulfides Lithium polysulfides Metal-organic frameworks Metal-organic frameworks Plasma -enhanced chemical vapor deposition Plasma -enhanced chemical vapor deposition Synergistic effects Synergistic effects
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| GB/T 7714 | Xie, Yonghui , Ao, Juan , Zhang, Li et al. Multi-functional bilayer carbon structures with micrometer-level physical encapsulation as a flexible cathode host for high-performance lithium-sulfur batteries [J]. | CHEMICAL ENGINEERING JOURNAL , 2023 , 451 . |
| MLA | Xie, Yonghui et al. "Multi-functional bilayer carbon structures with micrometer-level physical encapsulation as a flexible cathode host for high-performance lithium-sulfur batteries" . | CHEMICAL ENGINEERING JOURNAL 451 (2023) . |
| APA | Xie, Yonghui , Ao, Juan , Zhang, Li , Shao, Yeqing , Zhang, Hong , Cheng, Shuying et al. Multi-functional bilayer carbon structures with micrometer-level physical encapsulation as a flexible cathode host for high-performance lithium-sulfur batteries . | CHEMICAL ENGINEERING JOURNAL , 2023 , 451 . |
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Lithium-sulfur (Li-S) system coupled with thin-film solid electrolyte as a novel high-energy micro-battery has enormous potential for complementing embedded energy harvesters to enable the autonomy of the Internet of Things microdevice. However, the volatility in high vacuum and intrinsic sluggish kinetics of S hinder researchers from empirically integrating it into allsolid-state thin-film batteries, leading to inexperience in fabricating all-solid-state thin-film Li-S batteries (TFLSBs). Herein, for the first time, TFLSBs have been successfully constructed by stacking vertical graphene nanosheets-Li2S (VGsLi(2)S) composite thin-film cathode, lithium-phosphorous-oxynitride (LiPON) thin-film solid electrolyte, and Li metal anode. Fundamentally eliminating Lipolysulfide shuttle effect and maintaining a stable VGs-Li2S/LiPON interface upon prolonged cycles have been well identified by employing the solid-state Li-S system with an "unlimited Li" reservoir, which exhibits excellent longterm cycling stability with a capacity retention of 81% for 3,000 cycles, and an exceptional high temperature tolerance up to 60 degrees C. More impressively, VGs-Li2S-based TFLSBs with evaporated-Li thin-film anode also demonstrate outstanding cycling performance over 500 cycles with a high Coulombic efficiency of 99.71%. Collectively, this study presents a new development strategy for secure and high-performance rechargeable all-solid-state thin-film batteries.
Keyword ：
All-solid-state thin-film batteries All-solid-state thin-film batteries Li2S Li2S Li-S batteries Li-S batteries Lithium phosphorous oxynitride Lithium phosphorous oxynitride Vertical graphene nanosheets Vertical graphene nanosheets
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| GB/T 7714 | Deng, Renming , Ke, Bingyuan , Xie, Yonghui et al. All-Solid-State Thin-Film Lithium-Sulfur Batteries [J]. | NANO-MICRO LETTERS , 2023 , 15 (1) . |
| MLA | Deng, Renming et al. "All-Solid-State Thin-Film Lithium-Sulfur Batteries" . | NANO-MICRO LETTERS 15 . 1 (2023) . |
| APA | Deng, Renming , Ke, Bingyuan , Xie, Yonghui , Cheng, Shoulin , Zhang, Congcong , Zhang, Hong et al. All-Solid-State Thin-Film Lithium-Sulfur Batteries . | NANO-MICRO LETTERS , 2023 , 15 (1) . |
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