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| 1 | Advanced energy materials for flexible batteries in energy storage:A review显示文摘Smart energy storage has revolutionized portable electronics and electrical vehicles.The current smart energy storage devices have penetrated into flexible electronic markets at an unprecedented rate.Flexible batteries are key power sources to enable vast flexible devices,which put forward additional requirements,such as bendable,twistable,stretchable,and ultrathin,to adapt mechanical deformation under the working conditions.This review summarizes the recent advances in construction and configuration of flexible batteries and discusses the general metrics to benchmark various flexible batteries with different materials and chemistries.Moreover,we present advanced prototype flexible batteries developed by some companies to afford general envision of the technological status.Lastly,the critical points are summarized in the development of flexible batteries and remaining challenges are also presented for the future design of flexible batteries in practical perspectives. | Long Kong Cheng Tang Hong‐Jie Peng Jia‐Qi Huang Qiang Zhang | 2020 | SmartMat2020，1，1： | 16 |
| 2 | Progress and perspective of the cathode/electrolyte interface construction in all-solid-state lithium batteries显示文摘Security risks of flammability and explosion represent major problems with the use of conventional lithium rechargeable batteries using a liquid electrolyte.The application of solid-state electrolytes could effectively help to avoid these safety concerns.However,integrating the solid-state electrolytes into the all-solid-state lithium batteries is still a huge challenge mainly due to the high interfacial resistance present in the entire battery,especially at the interface between the cathode and the solid-state electrolyte pellet and the interfaces inside the cathode.Herein,recent progress made from investigations of cathode/solid-state electrolyte interfacial behaviors including the contact problem,the interlayer diffusion issue,the space-charge layer effect,and electrochemical compatibility is presented according to the classification of oxide-,sulfide-,and polymer-based solid-state electrolytes.We also propose strategies for the construction of ideal next-generation cathode/solid-state electrolyte interfaces with high room-temperature ionic conductivity,stable interfacial contact during long cycling,free formation of the space-charge region,and good compatibility with high-voltage cathodes. | Shiming Su Jiabin Ma Liang Zhao Kui Lin Qidong Li Shasha Lv Feiyu Kang Yan-Bing He | 2021 | Carbon Energy2021，3，6： | 3 |
| 3 | 实用化复合锂负极研究进展显示文摘金属锂由于其超高理论比容量和极低电极电势,被视为下一代高比能电池理想的负极材料之一。然而,在实用化的条件下其巨大的体积膨胀及不均匀锂沉积等问题成为障碍。构建三维复合金属锂负极是调控金属锂沉积的有效方法。本文首先对实用化条件下[超薄金属锂(<50μm),较低的负极/正极面容量比(<3.0)和较低的电解液量下(<3.0 g/Ah)]金属锂的沉积脱出规律进行总结,指出复合锂负极的设计是解决金属锂负极问题的有效途径。其次,本文从骨架材料的角度出发,综述了当前实用化条件下应用纳米以及微米结构骨架的复合锂负极的研究进展。目前人们也将制备的复合锂负极逐步在实用化条件下进行评测,并应用在软包电池中取得了较好的效果。在此基础上,本文还总结了当前复合锂负极研究面临的问题,指出应该采用解构的方法分析骨架的单个参数对锂沉积脱出行为的影响,从而对骨架材料进行理性的设计。同时,我们展望了复合锂负极未来的研究方向,以望促进高比能金属锂电池的发展。 | 石鹏 翟喜民 杨贺捷 赵辰孜 闫崇 别晓非 姜涛 张强 | 2022 | 储能科学与技术2022，11，6： | 1 |
| 4 | Poly(m-phenylene isophthalamide)-reinforced polyethylene oxide composite electrolyte with high mechanical strength and thermostability for all-solid-state lithium metal batteries显示文摘Polyethylene oxide(PEO)-based solid polymer electrolytes(SPEs)with flexibility,easy processability,low cost and especially strong ability to dissolve lithium salts have been regarded as promising alternatives to traditional flammable liquid electrolytes in next-generation highsafety and high-energy-density lithium metal batteries.However,the inferior mechanical strength and thermostability of PEO-based SPEs will raise the lithium dendritic penetration issue,further leading to the short circuit in batteries.In this work,aiming at enhancing the interfacial stability against Li dendrites of PEO-based SPEs,poly(mphenylene isophthalamide)(PMIA)is introduced as a reinforcing phase for the rational design of PEO/PMIA composite electrolyte.Impressively,PMIA chain with meta-type benzene-amide linkages significantly improves the mechanical strength(1.60 MPa),thermal stability(260℃)and ability to inhibit the growth of lithium dendrites(>300 h at 0.1 mA·cm^(-2))of SPEs.Meanwhile,allsolid-state LiFePO_(4)‖PEO/PMlA‖Li cell demonstrates superior electrochemical performance in terms of high specific capacity(159.1 mAh·g^(-1)),remarkable capacity retention(82.2%after 200 cycles at 0.5 C)and excellent safety characteristics.No burning or explosion occurs under pressing,bending and cutting conditions.This work opens a new door in developing high-performance PEObased electrolytes for advanced all-solid-state lithium metal batteries. | Ya-Ning Liu Zhen Xiao Wen-Kui Zhang Jun Zhang Hui Huang Yong-Ping Gan Xin-Ping He G.Gnana Kumar Yang Xia | 2022 | Rare Metals2022，41，11： | 0 |
| 5 | 热塑性聚氨酯基聚合物电解质的制备与表征显示文摘采用非溶剂诱导相转化法(NIPS)制备了热塑性聚氨酯/醋酸纤维素(TPU/CA)新型聚合物隔膜。然后,将隔膜浸入液体电解质中得到TPU/CA凝胶聚合物电解质(GPEs)。研究TPU与CA的质量比对GPEs性能的影响。通过X射线衍射(XRD)、扫描电镜(SEM)、热重(TG)、差示扫描量热(DSC)、线性扫描伏安(LSV)、电化学阻抗(EIS)等对TPU/CA膜进行表征。结果表明,在共混隔膜中引入CA可以降低TPU的结晶度,增加隔膜的吸液率。其中,室温下TPU/CA=7/3基电解质的离子电导率为1.04 mS·cm^(-1),电化学窗口为5.1 V(vs.Li/Li^(+))。组装的电池LiFePO_(4)/TPU/CA/Li在0.5 C循环100次后,仍具有较高的放电比容量和较好的容量保持率,具有良好的循环稳定性。这些结果表明,这种新型的TPU/CA共混GPEs是锂离子电池的理想选择。 | 周莉 吴勰 薛照明 | 2021 | 电化学2021，27，4： | 0 |
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