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学者姓名：魏明灯
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Abstract ：
Phosphite derivatives as film forming additives can effectively improve the electrochemical performance of cathodes in Li-ion batteries (LIBs). In this work, ethyl bis(trimethylsilyl) phosphite (TMSPE), which contains trimethylsilyl and ethyl functional groups, is used as a P-based additive for improving the electrochemical performance of a Li1.144Ni0.136Co0.136Mn0.544O2 cathode. Further, the comparative evaluation of tris(trimethylsilyl) phosphite (TMSPi), TMSPE, and triethyl phosphite (TEP) as phosphite-based additives for Li1.144Ni0.136Co0.136Mn0.544O2/Li cells at 45 degrees C under a high voltage is also presented. Theoretical calculations and surface characterization revealed that TMSPE formed a thinner and stable cathode electrolyte interphase (CEI) on the surface of Li1.144Ni0.136Co0.136Mn0.544O2, which has lower interfacial impedance, stronger HF elimination, and transition metal dissolution inhibition, resulting in the best cell performance among the three phosphite-based additives.
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| GB/T 7714 | Zheng, Xiangzhen , Huang, Tao , Pan, Ying et al. A phosphite derivative with stronger HF elimination ability as an additive for Li-rich based lithium-ion batteries at elevated temperatures [J]. | RSC APPLIED INTERFACES , 2025 , 2 (1) : 251-260 . |
| MLA | Zheng, Xiangzhen et al. "A phosphite derivative with stronger HF elimination ability as an additive for Li-rich based lithium-ion batteries at elevated temperatures" . | RSC APPLIED INTERFACES 2 . 1 (2025) : 251-260 . |
| APA | Zheng, Xiangzhen , Huang, Tao , Pan, Ying , Chen, Yongwei , Wei, Mingdeng , Wu, Maoxiang . A phosphite derivative with stronger HF elimination ability as an additive for Li-rich based lithium-ion batteries at elevated temperatures . | RSC APPLIED INTERFACES , 2025 , 2 (1) , 251-260 . |
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Encapsulation is a critical strategy for mitigating the instability of perovskites, which remains the primary challenge for their commercialization. Traditional encapsulation adhesives, such as ethylene vinyl acetate and epoxy resin, are constrained by high-temperature processes and potential chemical reactions that can impair the efficiency of perovskite devices. The use of vacuum silicone grease, primarily composed of polydimethylsiloxane (PDMS), not only shields the perovskite devices from moisture and oxygen but also significantly enhances their power conversion efficiency from 23.91% to 25.34%. Further investigations reveal that this improvement can be attributed to the formation of coordination bonds between the oxygen atoms in PDMS and lead within the perovskite structure. This mechanism boosts efficiency and inhibits the formation of Pb0 defects, significantly contributing to efficiency loss and instability. A ten-fold increase in stability is observed at approximate to 90% humidity, underscoring its potential as a low-temperature, non-damaging, and effective encapsulation method for enhancing the stability and performance of perovskite solar cells.
Keyword ：
defect suppression defect suppression encapsulation encapsulation PDMS PDMS perovskite solar cells perovskite solar cells stability stability
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| GB/T 7714 | Wu, Jionghua , Lan, Junxing , Wang, Renjie et al. Low-Temperature Encapsulation with Silicone Grease Enhances Efficiency and Stability of Perovskite Solar Cells via Pb0 Defect Passivation [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Wu, Jionghua et al. "Low-Temperature Encapsulation with Silicone Grease Enhances Efficiency and Stability of Perovskite Solar Cells via Pb0 Defect Passivation" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Wu, Jionghua , Lan, Junxing , Wang, Renjie , Cheng, Can , Wang, Weihuang , Deng, Hui et al. Low-Temperature Encapsulation with Silicone Grease Enhances Efficiency and Stability of Perovskite Solar Cells via Pb0 Defect Passivation . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Organic electrolyte is a threat to the safe operation for Ni-rich lithium ion batteries due to its flammability and high voltage cycle instability. Exploring advanced battery electrlytes with high safety and high voltage cyclability is of great significance to the development of electrical vehicles and grid energy storage. Herein, a multi-functional electrolyte additive, ethoxy-(pentafluoro)-cyclotriphosphazene, for high-safety and high-energy pouch-type LiNi0.8Mn0.1Co0.1O2|graphite (NMC811|Gr) cells is explored. It combined the structure of non-flammable cyclophosphazene with fluorine, with a good electrochemical compatibility. The high efficiency of the flame retardant produced properties that can not be achieved using "normal" fluorine-based flame retardants for thermal runaway inhibition. Moreover, the phosphazene (C2H5F5N3OP3)-based electrolyte (FPEele) endowed an NCM811|Gr pouch cell with extraordinary safety (thermal runaway trigger temperature increased by +41.7 degrees C, and its highest temperature is decreased by & horbar;205.7 degrees C) and electrochemical performance (4.5 V high-voltage cycling, 81.7% capacity retention after 200 cycles). The capacity fading and thermal safety of the battery are simultaneously improved based on the additive engineering. In fact, the phosphazene-based additive contained F, P, and N atoms, which stabilized the electrode interface and synergistically suppressed combustion during battery failure. Thus, such a work can provide a new ideal for designing a multi-functional electrolyte.
Keyword ：
electrochemical property electrochemical property LiNi0.8Co0.1Mn0.1O2 LiNi0.8Co0.1Mn0.1O2 lithium ion battery lithium ion battery non-flammable electrolyte non-flammable electrolyte phosphazenes, safety phosphazenes, safety
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| GB/T 7714 | Zhang, Weifeng , Feng, Xuning , Huang, Wensheng et al. Thermal Runaway Inhibition of Lithium-Ion Batteries Employing Thermal-Driven Phosphazene Based Electrolytes [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Zhang, Weifeng et al. "Thermal Runaway Inhibition of Lithium-Ion Batteries Employing Thermal-Driven Phosphazene Based Electrolytes" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Zhang, Weifeng , Feng, Xuning , Huang, Wensheng , Lu, Languang , Wang, Hewu , Wang, Li et al. Thermal Runaway Inhibition of Lithium-Ion Batteries Employing Thermal-Driven Phosphazene Based Electrolytes . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Supercapacitors often face the challenge of narrow charging voltage windows, which lead to limited energy density and limit their practical applications. Using neutral aqueous electrolytes is an efficient approach to expand the voltage window, but this kind of electrolyte is detrimental to the specific capacity of electrode materials. In this study, we propose a crystallinity-control engineering (termed CCE) strategy to overcome the challenge. The bimetallic MOF was chosen as the electrode material for its high capacity. By using the CCE method proposed in this work, the modified MOF with low crystallinity was prepared, which delivered fast charge transfer capability, abundant oxidatively active sites, and excellent hydrophilicity. The modified material demonstrates exceptional electrochemical performance, exhibiting a stable 0.78 V voltage window in 1 M Na2SO4 aqueous electrolyte. The material achieves an excellent specific capacitance of 835.5 F g-1 at 1 A g-1, surpassing the capacity of the pristine MOF by almost 400%. Furthermore, in asymmetric supercapacitor applications, this material enables outstanding energy storage characteristics, delivering a 103.1 W hkg-1 energy density at an 859.1 Wkg-1 power density. When subjected to extended cycling tests (10,000 cycles at 10 mAcm- 2), the material maintained 93.9% of its initial charge storage capacity, performing long cycle stability.
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| GB/T 7714 | Xiu, Jieying , Lu, Kunxi , Xiong, Peixun et al. Regulating the Crystallinity of the Bimetallic Metal-Organic Frameworks for Supercapacitors with High Energy Density [J]. | CRYSTAL GROWTH & DESIGN , 2025 , 25 (14) : 5543-5552 . |
| MLA | Xiu, Jieying et al. "Regulating the Crystallinity of the Bimetallic Metal-Organic Frameworks for Supercapacitors with High Energy Density" . | CRYSTAL GROWTH & DESIGN 25 . 14 (2025) : 5543-5552 . |
| APA | Xiu, Jieying , Lu, Kunxi , Xiong, Peixun , Li, Yafeng , Wei, Mingdeng . Regulating the Crystallinity of the Bimetallic Metal-Organic Frameworks for Supercapacitors with High Energy Density . | CRYSTAL GROWTH & DESIGN , 2025 , 25 (14) , 5543-5552 . |
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2D perovskite materials are ideal candidates for indoor photovoltaic (IPV) applications due to their tunable bandgap, high absorption coefficients, and enhanced stability. However, attaining uniform crystallization and overcoming low carrier mobility remain key challenges for 2D perovskites, limiting their overall performance. In this study, a 2D perovskite light-absorbing layer is constructed using a Dion-Jacobson (DJ)-phase EDA(FA)(4)Pb5I16 (n = 5) and introduced butylammonium iodide (BAI) for interface modification, thereby creating a novel DJ/Ruddlesden-Popper (RP) dual 2D perovskite heterostructure. By adjusting the thickness of the BAI-based perovskite layer, the relationship between interfacial defect states and carrier mobility is investigated under varying indoor light intensities. The results indicate that, by achieving a balance between interfacial defect passivation and carrier transport, the optimized 2D perovskite device reaches a power conversion efficiency (PCE) of 30.30% and an open-circuit voltage (V-OC) of 936 mV under 1000 lux (3000 K LED). 2D-DJ/RP perovskite IPV exhibits a twentyfold increase in T-90 lifetime compared to 3D perovskite devices. It is the first time to systematically study 2D perovskites in IPV applications, demonstrating that rationally designed and optimized 2D perovskites hold significant potential for fabricating high-performance indoor PSCs.
Keyword ：
2D perovskite solar cells 2D perovskite solar cells carrier transport carrier transport defect passivation defect passivation dual-phase 2D perovskite heterostructures dual-phase 2D perovskite heterostructures indoor photovoltaic indoor photovoltaic
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| GB/T 7714 | Wang, Renjie , Wu, Jionghua , Zheng, Qiao et al. Stable and Efficient Indoor Photovoltaics Through Novel Dual-Phase 2D Perovskite Heterostructures [J]. | ADVANCED MATERIALS , 2025 , 37 (18) . |
| MLA | Wang, Renjie et al. "Stable and Efficient Indoor Photovoltaics Through Novel Dual-Phase 2D Perovskite Heterostructures" . | ADVANCED MATERIALS 37 . 18 (2025) . |
| APA | Wang, Renjie , Wu, Jionghua , Zheng, Qiao , Deng, Hui , Wang, Weihuang , Chen, Jing et al. Stable and Efficient Indoor Photovoltaics Through Novel Dual-Phase 2D Perovskite Heterostructures . | ADVANCED MATERIALS , 2025 , 37 (18) . |
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| GB/T 7714 | Chen, Xu-Dong , Zhao, Si , Feng, Xin-Fu et al. Dendrite-free Mg-MOF-based all-solid-state lithium metal batteries with superior cycle life [J]. | RARE METALS , 2025 , 44 (4) : 2805-2814 . |
| MLA | Chen, Xu-Dong et al. "Dendrite-free Mg-MOF-based all-solid-state lithium metal batteries with superior cycle life" . | RARE METALS 44 . 4 (2025) : 2805-2814 . |
| APA | Chen, Xu-Dong , Zhao, Si , Feng, Xin-Fu , Huang, Jin , Wang, Yan , Qiu, Zhen-Chun et al. Dendrite-free Mg-MOF-based all-solid-state lithium metal batteries with superior cycle life . | RARE METALS , 2025 , 44 (4) , 2805-2814 . |
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A simple route was applied to obtain Bi nanodiscs embedded into tannic acid (TA) derived carbon (Bi@TAC) by calcining Bi2O3@TA precursors. As a result, the Bi@TAC electrode showed an impressive rate capability (a current density ranging from 0.2 to 10 A g-1 with 95% capacity retention) and a long-term cycling performance (414.8 mA h g-1 after 10 000 cycles at 5 A g-1).
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| GB/T 7714 | Zhang, Xiangyu , Zheng, Manyi , Wu, Chunzheng et al. Tannic acid-derived carbon-coated Bi nanodiscs for high-performance sodium-ion batteries [J]. | CHEMICAL COMMUNICATIONS , 2025 , 61 (29) : 5483-5486 . |
| MLA | Zhang, Xiangyu et al. "Tannic acid-derived carbon-coated Bi nanodiscs for high-performance sodium-ion batteries" . | CHEMICAL COMMUNICATIONS 61 . 29 (2025) : 5483-5486 . |
| APA | Zhang, Xiangyu , Zheng, Manyi , Wu, Chunzheng , Li, Sha , Li, Bing , Guo, Jianzhong et al. Tannic acid-derived carbon-coated Bi nanodiscs for high-performance sodium-ion batteries . | CHEMICAL COMMUNICATIONS , 2025 , 61 (29) , 5483-5486 . |
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Within the family of halide solid electrolytes (SEs), Li2ZrCl6 demonstrates high oxidative stability, cost-effectiveness, and mechanical deformability, positioning it as a promising candidate for SEs. However, the application of Li2ZrCl6 as a SEs was hindered by its low ionic conductivity at room temperature. Current strategies to enhance the ionic conductivity of Li2ZrCl6 primarily are focused on single cation or anion sublattice-engineering, each with distinct advantages and limitations. Here, we propose a novel cation and anion-sublattice-engineering strategy, termed CASE, to increase the amorphous content and thus enhance ionic conductivity. The incorporation of Cu2+ and O2- induces distinctive structural modifications within Li2ZrCl6. This structure corroborated through analytic data of X-ray absorption spectroscopy, the neutron diffraction, and ab initio molecular dynamics. Consequently, the amorphous Li2.1Zr0.95Cu0.05Cl4.4O0.8 achieves an enhanced ionic conductivity of 2.05 mS cm-1 at 25 degrees C. Furthermore, all-solid-state lithium batteries utilizing the amorphous Li2.1Zr0.95Cu0.05Cl4.4O0.8 as an electrolyte and LiNi0.83Co0.11Mn0.06O2 as a cathode exhibit a superior long-term cycling stability retaining 90.3% of capacity after 1000 cycles at 2 C under room temperature, which are much higher than those of Zr-based halide electrolytes in publications. Such a result might stimulate the development of more amorphous structures with high ionic conductivity in the CASE strategy.
Keyword ：
Cation-anion sublattice engineering Cation-anion sublattice engineering Electrochemical property Electrochemical property Halide solid electrolytes Halide solid electrolytes Ionic conductivity all-solid-state lithium batteries Ionic conductivity all-solid-state lithium batteries
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| GB/T 7714 | Li, Zongnan , Mu, Yongbiao , Lu, Kunxi et al. Cation-Anion-Engineering Modified Oxychloride Zr-Based Lithium Superionic Conductors for All-Solid-State Lithium Batteries [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (23) . |
| MLA | Li, Zongnan et al. "Cation-Anion-Engineering Modified Oxychloride Zr-Based Lithium Superionic Conductors for All-Solid-State Lithium Batteries" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 23 (2025) . |
| APA | Li, Zongnan , Mu, Yongbiao , Lu, Kunxi , Kang, Guojian , Yang, Ting , Huang, Shuping et al. Cation-Anion-Engineering Modified Oxychloride Zr-Based Lithium Superionic Conductors for All-Solid-State Lithium Batteries . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (23) . |
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Li-rich Mn-based layered oxides (LRMOs) are promising high-energy-density cathode materials for lithium-ion batteries due to their unique anionic/cationic redox mechanisms. However, a series of serious issues including irreversible oxygen release, structural degradation and sluggish kinetics significantly hinder their practical applications. Herein, a dual-functional B/Al co-doping strategy was proposed to synergistically address these challenges. It was found that the robust B - O and Al - O bonds can effectively stabilize the structural framework, mitigating irreversible oxygen release and phase transitions. Concurrently, B-doping optimized Li+ transport channels while co-doping induced the formation of surface oxygen vacancies, thereby enhancing Li+ transport kinetics. Based the synergistic effects, the electrochemical properties of LRMOs have been improved. As a result, Li1.2Mn0.56Ni0.2B0.02Al0.02O2 cathode delivered an initial capacity of 256.8 mAh g- 1 at 0.1C and retained 85.1 % of capacity after 500 cycles at 1C, which are much better than pristine and single-doped counterparts. Moreover, the voltage decay rate has been minimized to 0.96 mV cycle- 1, demonstrating an exceptional structural reversibility. Thus, such a work highlights the critical role of synergistic cation co-doping in balancing structural stability and ion transport, offering a viable pathway for developing high-energy and long-life Li-rich cathodes.
Keyword ：
Co-doping Co-doping Ion transport Ion transport Li-rich Mn-based layered oxides Li-rich Mn-based layered oxides Structural stability Structural stability
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| GB/T 7714 | Zhang, Renwei , Wu, Qinmao , Hu, Ping et al. Synergistic modulation of ion transport and structural stability for Li-rich Mn-based cathodes in lithium-ion batteries [J]. | JOURNAL OF ENERGY STORAGE , 2025 , 132 . |
| MLA | Zhang, Renwei et al. "Synergistic modulation of ion transport and structural stability for Li-rich Mn-based cathodes in lithium-ion batteries" . | JOURNAL OF ENERGY STORAGE 132 (2025) . |
| APA | Zhang, Renwei , Wu, Qinmao , Hu, Ping , Hu, Mingwei , Zheng, Jianbin , Wei, Mingdeng et al. Synergistic modulation of ion transport and structural stability for Li-rich Mn-based cathodes in lithium-ion batteries . | JOURNAL OF ENERGY STORAGE , 2025 , 132 . |
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Sodium-ion batteries (SIBs) have been intensively researched as potential alternative energy storage devices to lithium-ion batteries (LIBs). Nevertheless, the scarcity of suitable anode materials capable of hosting the large radius of Na+ has hindered the further application of SIBs. Herein, we developed a hierarchical VS4 nanosheet with an expanded interchain spacing of 0.98 nm without additives for the first time. Additionally, we found that the porous structure in the hierarchical VS4 nanosheet provides sufficient active sites for Na+ storage and alleviates the volume variation during discharge/charge cycles, as supported by finite element simulation (FES) data. More importantly, a dynamic insertion-dominated storage mechanism was revealed through synchrotron X-ray absorption spectroscopy and X-ray photoelectron spectroscopy. Thus, the optimized anode delivered a high capacity of 441 mAh g-1 at 1 A g-1 after 200 cycles. This work provides critical insights into the design of SIBs by correlating storage mechanisms with electrode's structural composition.
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| GB/T 7714 | Wang, Jianbiao , Chong, Peidian , Limphirat, Wanwisa et al. Hierarchical vanadium sulfide nanosheets with expanded interchain spacing for high-performance sodium-ion batteries [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2025 , 13 (36) : 30158-30166 . |
| MLA | Wang, Jianbiao et al. "Hierarchical vanadium sulfide nanosheets with expanded interchain spacing for high-performance sodium-ion batteries" . | JOURNAL OF MATERIALS CHEMISTRY A 13 . 36 (2025) : 30158-30166 . |
| APA | Wang, Jianbiao , Chong, Peidian , Limphirat, Wanwisa , Wang, Haiyi , Busayaporn, Wutthikrai , Zhang, Lei et al. Hierarchical vanadium sulfide nanosheets with expanded interchain spacing for high-performance sodium-ion batteries . | JOURNAL OF MATERIALS CHEMISTRY A , 2025 , 13 (36) , 30158-30166 . |
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