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Lithium-Conducting Branched Polymers: New Paradigm of Solid-State Electrolytes for Batteries
Nano Letters ( IF 9.6 ) Pub Date : 2021-09-13 , DOI: 10.1021/acs.nanolett.1c02558 Shu-Meng Hao 1, 2 , Shuang Liang 2 , Christopher D Sewell 2 , Zili Li 2 , Caizhen Zhu 1 , Jian Xu 1 , Zhiqun Lin 2
Nano Letters ( IF 9.6 ) Pub Date : 2021-09-13 , DOI: 10.1021/acs.nanolett.1c02558 Shu-Meng Hao 1, 2 , Shuang Liang 2 , Christopher D Sewell 2 , Zili Li 2 , Caizhen Zhu 1 , Jian Xu 1 , Zhiqun Lin 2
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The past decades have witnessed rapid development of lithium-based batteries. Significant research efforts have been progressively diverted from electrodes to electrolytes, particularly polymer electrolytes (PEs), to tackle the safety concern and promote the energy storage capability of batteries. To further increase the ionic conductivity of PEs, various branched polymers (BPs) have been rationally designed and synthesized. Compared with linear polymers, branched architectures effectively increase polymer segmental mobility, restrain crystallization, and reduce chain entanglement, thereby rendering BPs with greatly enhanced lithium transport. In this Mini Review, a diversity of BPs for PEs is summarized by scrutinizing their unique topologies and properties. Subsequently, the design principles for enhancing the physical properties, mechanical properties, and electrochemical performance of BP-based PEs (BP-PEs) are provided in which the ionic conduction is particularly examined in light of the Li+ transport mechanism. Finally, the challenges and future prospects of BP-PEs in this rapidly evolving field are outlined.
中文翻译：
锂导电支化聚合物：电池固态电解质的新范式
过去几十年见证了锂基电池的快速发展。重要的研究工作已逐渐从电极转向电解质，特别是聚合物电解质 (PE)，以解决安全问题并提高电池的储能能力。为了进一步提高PEs的离子电导率，人们合理设计和合成了各种支化聚合物（BPs）。与线性聚合物相比，支化结构有效地增加了聚合物的链段迁移率，抑制结晶，减少链缠结，从而大大增强了锂的传输。在这篇 Mini Review 中，通过仔细审查 PE 的独特拓扑和属性，总结了用于 PE 的各种 BP。随后，增强物理性能的设计原则，+运输机制。最后，概述了 BP-PE 在这个快速发展的领域中面临的挑战和未来前景。
更新日期：2021-09-22
中文翻译：
锂导电支化聚合物：电池固态电解质的新范式
过去几十年见证了锂基电池的快速发展。重要的研究工作已逐渐从电极转向电解质，特别是聚合物电解质 (PE)，以解决安全问题并提高电池的储能能力。为了进一步提高PEs的离子电导率，人们合理设计和合成了各种支化聚合物（BPs）。与线性聚合物相比，支化结构有效地增加了聚合物的链段迁移率，抑制结晶，减少链缠结，从而大大增强了锂的传输。在这篇 Mini Review 中，通过仔细审查 PE 的独特拓扑和属性，总结了用于 PE 的各种 BP。随后，增强物理性能的设计原则，+运输机制。最后，概述了 BP-PE 在这个快速发展的领域中面临的挑战和未来前景。
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