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| 1 | Low-cost and low-density carbonized facial tissue supported uniform NiCo_(2)S_(4)nanotubes for high capacity flexible solid-state supercapacitors显示文摘Recently,rapid development of intelligent wearable electronic equipment has triggered great needs for flexible and lightweight portable energy storage systems.Here,we demonstrate a low-cost($0.5 m^(-2))and low density carbonized facial tissue paper(FCP)for high-conductive NiCo_(2)S_(4)nanotubes assisted novel ultra-flexible solid-state supercapacitors(SSCs).The hydrothermal synthesized FCP-900@NiCo_(2)S_(4)electrodes in this paper only have a density of 5 mg cm^(-2)and show large specific capacitance of 3115 mF cm^(-2)at 2 mA cm^(-2).Based on the high performance of FCP-900@NiCo_(2)S_(4)electrodes,the as assembled SSCs can deliver an energy density of 1.2 mWh cm^(-3),high power density of 58.16 mW cm-3.It also shows great bending-state capacitive performance with high capacitance retention after 5000 cycles,providing a new opportunity for developing high-performance flexible wearable energy storage devices. | Haiwei Wu Jingxuan Bi Yiyi Li Li Wang Xiaofei Pang Chuanyin Xiong Zhijian Li | 2021 | Journal of Materiomics2021，7，1： | 1 |
| 2 | Present and future of functionalized Cu current collectors for stabilizing lithium metal anodes显示文摘Li metal has been recognized as the most promising anode materials for next-generation high-energy-density batteries,however,the inherent issues of dendrite growth and huge volume fluctuations upon Li plating/stripping normally result in fast capacity fading and safety concerns.Functionalized Cu current collectors have so far exhibited significant regulatory effects on stabilizing Li metal anodes(LMAs),and hold a great practical potential owing to their easy fabrication,low-cost and good compatibility with the existing battery technology.In this review,a comprehensive overview of Cu-based current collectors,including planar modified Cu foil,3D architectured Cu foil and nanostructured 3D Cu substrates,for Li metal batteries is provided.Particularly,the design principles and strategies of functionalized Cu current collectors associated with their functionalities in optimizing Li plating/stripping behaviors are discussed.Finally,the critical issues where there is incomplete understanding and the future research directions of Cu current collectors in practical LMAs are also prospected.This review may shed light on the critical understanding of current collector engineering for high-energy-density Li metal batteries. | Yuhang Liu Yifan Li Jinmeng Sun Zhuzhu Du Xiaoqi Hu Jingxuan Bi Chuntai Liu Wei Ai Qingyu Yan | 2023 | Nano Research Energy2023，2，1： | 1 |
| 3 | Advances in the Emerging Gradient Designs of Li Metal Hosts显示文摘Developing host has been recognized a potential countermeasure to circumvent the intrinsic drawbacks of Li metal anode(LMA),such as uncontrolled dendrite growth,unstable solid electrolyte interface,and infinite volume fluctuations.To realize proper Li accommodation,particularly bottom-up deposition of Li metal,gradient designs of host materials including lithiophilicity and/or conductivity have attracted a great deal of attention in recent years.However,a critical and specialized review on this quickly evolving topic is still absent.In this review,we attempt to comprehensively summarize and update the related advances in guiding Li nucleation and deposition.First,the fundamentals regarding Li deposition are discussed,with particular attention to the gradient design principles of host materials.Correspondingly,the progress of creating diferent gradients in terms of lithiophilicity,conductivity,and their hybrid is systematically reviewed.Finally,future challenges and perspective on the gradient design of advanced hosts towards practical LMAs are provided,which would provide a useful guidance for future studies. | Wanqing Guan Xiaoqi Hu Yuhang Liu Jinmeng Sun Chen He Zhuzhu Du Jingxuan Bi Ke Wang Wei Ai | 2022 | Research2022，，4： | 0 |
| 4 | Pharmacological evaluation and mechanistic study of compound Xishu Granule in hepatocellular carcinoma显示文摘Objective:In this study,we used HepG2 human hepatocellular carcinoma cells to study the effects of Compound Xishu Granule(CXG)on cell proliferation,apoptosis,and the cell cycle in vitro.We also used a xenograft tumor model to study the anti-tumor effects of CXG and related mechanisms in vivo.Methods:The effect of CXG on cell viability was measured using Cell Counting Kit-8 and a colony formation assay.The effect of CXG on apoptosis and the cell cycle was analyzed using flow cytometry.The in vivo anti-tumor effect of CXG was assessed by measuring the volume change in xenograft tumors after drug administration.The CXG anti-tumor mechanism was studied using western blotting assay to detect cell cycle and apoptotic associated proteins.Results:CXG suppressed HepG2 cell proliferation in a time-and dose-dependent manner in vitro.Colony formation experiments showed that CXG administration for 24 h significantly reduced HepG2 cell formations(P<.01).Flow cytometric analysis showed that CXG treatment for 48 h promoted apoptosis and blocked HepG2 cells in the G2/M phase.Western blotting results showed that Bax was significantly upregulated and Bcl-2 was down-regulated in graft tumor tissues and HepG2 cells after CXG administration,which increased the Bax/Bcl-2 ratio.PLK1,CDC25 C,CDK1,and Cyclin B1 expression were upregulated.CXG had a good inhibitory effect on graft tumor growth in vivo.Conclusion:CXG has good anti-tumor effects in vitro and in vivo.In vitro,CXG promoted HepG2 cell apoptosis and induced G2/M phase arrest.In vivo,CXG significantly inhibited graft tumor growth.The CXG mechanism in treating hepatocellular carcinoma may be that CXG can induce abnormal apoptotic and cell cycle associated protein expression,leading to mitotic catastrophe and apoptosis. | Pin Li Yuanyuan Shi Baosheng Zhao Wenhui Xu Ziying Xu Jingxuan Zhang Zhaojuan Guo Yucong Bi Tieshan Wang Yu Qin Ting Wang | 2020 | Journal of Traditional Chinese Medical Sciences2020，7，3： | 0 |
| 5 | Efficient Dynamic Locomotion of Quadruped Robot via Adaptive Diagonal Gait显示文摘Quadruped animals in the nature realize high energy efficiency locomotion by automatically changing their gait at different speeds.Inspired by this character,an efficient adaptive diagonal gait locomotion controller is designed for quadruped robot.A unique gait planning method is proposed in this paper.As the speed of robot varies,the gait cycle time and the proportion of stance and swing phase of each leg are adjusted to form a variety of gaits.The optimal joint torque is calculated by the controller combined with Virtual Model Control(VMC)and Whole-Body Control(WBC)to realize the desired motion.The gait and step frequency of the robot can automatically adapt to the change of speed.Several experiments are done with a quadruped robot made by our laboratory to verify that the gait can change automatically from slow-trotting to flying-trot during the period when speed is from 0 to 4 m/s.The ratio of swing phase is from less than 0.5 to more than 0.5 to realize the running motion with four feet off the ground.Experiments have shown that the controller can indeed consume less energy when robot runs at a wide range of speeds comparing to the basic controller. | Jian Bi Teng Chen Xuewen Rong Guoteng Zhang Guanglin Lu Jingxuan Cao Han Jiang Yibin Li | 2024 | Journal of Bionic Engineering2024，21，1： | 0 |
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