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用于可充电电池中作为阴极活性材料的二茂铁官能化聚并苯。

Ferrocene-functionalized polyheteroacenes for the use as cathode active material in rechargeable batteries.

作者信息

Schwartz Pierre-Olivier, Förtsch Sebastian, Mena-Osteritz Elena, Weirather-Köstner Dagmar, Wachtler Mario, Bäuerle Peter

机构信息

Institute of Organic Chemistry II and Advanced Materials, Ulm University Albert-Einstein-Allee 11 89081 Ulm Germany

ZSW - Zentrum für Sonnenenergie-und Wasserstoff-Forschung Baden-Württemberg Helmholtzstr. 8 89081 Ulm Germany +49-731-502-2840.

出版信息

RSC Adv. 2018 Apr 17;8(26):14193-14200. doi: 10.1039/c8ra00129d.

DOI:10.1039/c8ra00129d
PMID:35540730
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9079884/
Abstract

Herein we report the synthesis and characterization of new conjugated polymers bearing redox-active pendant groups for applications as cathode active materials in secondary batteries. The polymers comprise a ferrocene moiety immobilized at a poly(cyclopenta[2,1-:3,4-']dithiophene) (pCPDT, P1) or a poly(dithieno[3,2-:2',3'-]pyrrole) (pDTP, P2) backbone an ester or an amide linker. Electrochemical and oxidative chemical polymerizations were performed in order to investigate the redox behaviour of the obtained polymers P1 and P2 and to synthesize materials on gram-scale for battery tests, respectively. During galvanostatic cycling in a typical battery environment, both polymers showed high reversible capacities of 90% and 87% of their theoretical capacity and excellent capacity retentions of 84% and 97% over 50 cycles.

摘要

在此，我们报道了带有氧化还原活性侧基的新型共轭聚合物的合成与表征，这些聚合物用作二次电池的阴极活性材料。这些聚合物包含固定在聚（环戊[2,1 - :3,4 - ']二噻吩）（pCPDT，P1）或聚（二噻吩并[3,2 - :2',3'-]吡咯）（pDTP，P2）主链上的二茂铁部分以及酯或酰胺连接基。进行了电化学和氧化化学聚合，以便分别研究所得聚合物P1和P2的氧化还原行为，并合成克级规模的材料用于电池测试。在典型的电池环境中进行恒电流循环时，两种聚合物均显示出其理论容量的90%和87%的高可逆容量，并且在50个循环中具有84%和97%的优异容量保持率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/0e8be8cb2fcb/c8ra00129d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/2c0edae8faf8/c8ra00129d-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/1f3a750717f1/c8ra00129d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/57fda1730a33/c8ra00129d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/4e3f7332141f/c8ra00129d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/17adeea6876c/c8ra00129d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/0e8be8cb2fcb/c8ra00129d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/2c0edae8faf8/c8ra00129d-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/1f3a750717f1/c8ra00129d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/57fda1730a33/c8ra00129d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/4e3f7332141f/c8ra00129d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/17adeea6876c/c8ra00129d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/58fd/9079884/0e8be8cb2fcb/c8ra00129d-f5.jpg

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