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Sustainable Solvent‐Free Production and Resulting Performance of Polymer Electrolyte‐Based All‐Solid‐State Battery Electrodes
Energy Technology ( IF 3.6 ) Pub Date : 2020-12-19 , DOI: 10.1002/ente.202000923 Laura Helmers 1 , Linus Froböse 1 , Karsten Friedrich 2 , Maja Steffens 1 , Dominik Kern 1 , Peter Michalowski 1 , Arno Kwade 1
Energy Technology ( IF 3.6 ) Pub Date : 2020-12-19 , DOI: 10.1002/ente.202000923 Laura Helmers 1 , Linus Froböse 1 , Karsten Friedrich 2 , Maja Steffens 1 , Dominik Kern 1 , Peter Michalowski 1 , Arno Kwade 1
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For the development of all‐solid‐state batteries (ASSBs), it is of major importance to identify scalable process routes, to define limits of the processing technologies, and to investigate how the electrochemical performance can be influenced by the manufacturing process. Herein, two scalable and sustainable production chains are presented, extrusion‐ and direct calendaring of composite cathode granules, which are suitable for industrial series production. Both process routes start with a melt granulation step to desagglomerate the carbon black to homogenize the cathode components. By adjusting the granulation process parameters the process time and, thus, the production costs can be reduced. The polymer solid electrolyte distribution induced by the process shows a considerable influence on the rate capability of the ASSB cells. The manufactured pouch cells reach ≈140 mAh g−1 at 0.1C and 75/50 mAh g−1 at 1C discharge rate and 80 °C for extruded‐calendered and directly calendered electrodes, respectively, which is comparable to other recent publications on laboratory scale.
中文翻译：
可持续的无溶剂生产以及基于聚合物电解质的全固态电池电极的最终性能
对于全固态电池（ASSB）的开发，最重要的是确定可扩展的工艺路线，定义加工技术的极限，并研究制造工艺如何影响电化学性能。在此，提出了两个可扩展且可持续的生产链，即复合阴极颗粒的挤出和直接压延，适用于工业批量生产。两种工艺路线均以熔融造粒步骤开始，以使炭黑解聚以均化阴极组分。通过调整制粒工艺参数，可以减少工艺时间，从而降低生产成本。通过该方法诱导的聚合物固体电解质分布对ASSB电池的倍率能力显示出相当大的影响。-1在0.1C和75/50 mAh g -1下在放电速率为1C和80°C时为挤压压延和直接压延电极时的-1，这与其他实验室规模的最新出版物相当。
更新日期：2020-12-19
中文翻译：
可持续的无溶剂生产以及基于聚合物电解质的全固态电池电极的最终性能
对于全固态电池（ASSB）的开发，最重要的是确定可扩展的工艺路线，定义加工技术的极限，并研究制造工艺如何影响电化学性能。在此，提出了两个可扩展且可持续的生产链，即复合阴极颗粒的挤出和直接压延，适用于工业批量生产。两种工艺路线均以熔融造粒步骤开始，以使炭黑解聚以均化阴极组分。通过调整制粒工艺参数，可以减少工艺时间，从而降低生产成本。通过该方法诱导的聚合物固体电解质分布对ASSB电池的倍率能力显示出相当大的影响。-1在0.1C和75/50 mAh g -1下在放电速率为1C和80°C时为挤压压延和直接压延电极时的-1，这与其他实验室规模的最新出版物相当。
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