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| 1 | Coil-to-Stretch Transition of Binder Chains Enabled by“Nano-Combs”to Facilitate Highly Stable SiO_(x) Anode显示文摘The commercialized binder carboxymethyl cellulose sodium(CMC-Na)is considered unsuitable for micro-sized SiO_(x) anode as it cannot endure the large volume change to retain the conductive network during repeated charge/discharge cycles.Herein,a small amount of silicon nanoparticles(SiNPs)is added during slurry preparation process as“nano-combs”to unfold the convoluted CMC-Na polymer chains so that they undergo a coilto-stretch transition by interaction between polar groups(e.g.,-OH,-COONa)of polymer and SiNPs’large surface.Through maximizing the utilization of binders,a uniform conductive network is constructed with increased interfacial contact with micro-sized SiO_(x).As a result,the SiO_(x) electrode with optimized(10 wt%)SiNPs addition shows significantly improved initial capacity and cycling performance.Through revisiting CMCNa,a currently deemed unqualified binder in SiO_(x) anode,this work gives a brand-new perspective on the failing mechanism of Si-based anode materials and an improving strategy for electrode preparation. | Shida Xue Yanda Fu Zhibo Song Shiming Chen Yuchen Ji Yan Zhao Huizhi Wang Guoyu Qian Luyi Yang Feng Pan | 2022 | Energy & Environmental Materials2022，5，4： | 0 |
| 2 | Can Ursodeoxycholic Acid Prevent SARS-CoV-2 Infection or Reduce the COVID-19 Severity? Current Knowledge and Unresolved Issues显示文摘A recent study revealed that the inhibition of the farnesoid X receptor using ursodeoxycholic acid(UDCA)significantly reduces angiotensin-converting enzyme 2(ACE2)expression.Therefore,considerable attention has been paid to the use of UDCA to prevent severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection and reduce the severity of the disease.This review compre-hensively summarizes the role of ACE2 in SARS-CoV-2 infection and the potential role and mechanisms of UDCA in the prevention of SARS-CoV-2 infection or reinfection.It also discusses unresolved issues and the potential use of UDCA in the treatment of patients with coronavirus disease. | Shida Pan Yang Zhang Fanping Meng Fu-Sheng Wang | 2023 | Infectious Diseases & Immunity2023，3，3： | 0 |
| 3 | Polymeric Wetting Matrix for a Stable Interface between Solid-state Electrolytes and Li Metal Anode显示文摘Succinonitrile(SN)based solid-state electrolytes(SSEs)have potential applications in lithium(Li)batteries due to their ease of preparation and high ionic conductivity at room temperature.Here,a novel SSE consisting of poly(vinylidene fluoride-hexafluoropropy-lene)(PVDF-HFP),poly(methyl methacrylate)(PMMA)and Li_(1.3)Al_(0.3)Ti_(1.7)(PO_(4))_(3) with SN is fabricated,where PMMA is added to serve as a polymer matrix for better wettability of SN.Due to the addition of PMMA,improved room-temperature ionic conductivity of the SSE is resulted.More importantly,better interfacial contact as well as more stable solid-state electrolyte(SEI)layer between SSE and Li anode can be also obtained.As a result,homogeneous and dendrite-free Li plating can be achieved for over 1000 h in Li symmetric cells.When coupled with LiNi_(0.5)Mn_(0.3)Co_(0.2)O_(2) cathode and Li anode,the proposed SSE delivers excellent cycling stability and rate capability in full-cells.By implementing SSEs with a polymeric wetting agent,this work provides fresh perspectives on stabilizing the interface between SSEs and Li metal anodes. | Haoran Song Shida Xue Shiming Chen Zijian Wang Yongli Song Jiawen Li Zhibo Song Luyi Yang Feng Pan | 2022 | Chinese Journal of Structural Chemistry2022，41，5： | 0 |
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