Advanced Matrixes for Binder‐Free Nanostructured Electrodes in Lithium‐Ion Batteries. Issue 24 (20th April 2020)

• Record Type: Journal Article
• Authors: Zhang, Lihan; Qin, Xianying; Zhao, Shiqiang; Wang, Aurelia; Luo, Jun; Wang, Zhong Lin; Kang, Feiyu; Lin, Zhiqun; Li, Baohua
• Is Part Of: Advanced materials. Volume 32:Issue 24(2020)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2020-04-20
• Subjects: electrodes -- lithium‐ion batteries -- matrixes -- nanostructures; Materials -- Periodicals; Chemical vapor deposition -- Periodicals; 620.11
• DOI: 10.1002/adma.201908445
• Languages: English
• ISSNs: 0935-9648

Abstract

Abstract: Commercial lithium‐ion batteries (LIBs), limited by their insufficient reversible capacity, short cyclability, and high cost, are facing ever‐growing requirements for further increases in power capability, energy density, lifespan, and flexibility. The presence of insulating and electrochemically inactive binders in commercial LIB electrodes causes uneven active material distribution and poor contact of these materials with substrates, reducing battery performance. Thus, nanostructured electrodes with binder‐free designs are developed and have numerous advantages including large surface area, robust adhesion to substrates, high areal/specific capacity, fast electron/ion transfer, and free space for alleviating volume expansion, leading to superior battery performance. Herein, recent progress on different kinds of supporting matrixes including metals, carbonaceous materials, and polymers as well as other substrates for binder‐free nanostructured electrodes in LIBs are summarized systematically. Furthermore, the potential applications of these binder‐free nanostructured electrodes in practical full‐cell‐configuration LIBs, in particular fully flexible/stretchable LIBs, are outlined in detail. Finally, the future opportunities and challenges for such full‐cell LIBs based on binder‐free nanostructured electrodes are discussed. Abstract : The latest progress of various supporting matrixes including metals, polymers, carbon, and other materials for binder‐free nanostructured electrodes in lithium‐ion batteries—in particular, flexible ones—is demonstrated. A complete survey of the most relevant literature, covering a wide range of fundamental and applicative features related to this topic, from material properties to fabrication issues, is provided.