Journal
MATTER
Volume 5, Issue 3, Pages 876-898Publisher
CELL PRESS
DOI: 10.1016/j.matt.2022.01.011
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Funding
- National Key Research and Development Program [2021YFB2500300]
- Beijing Municipal Natural Science Foundation [Z20J00043]
- National Natural Science Foundation of China [21825501, 22109084, 22108151]
- China Postdoctoral Science Foundation [2019M660659, BX20190168]
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The industrialization of solid-state batteries is a growing focus, and dry battery electrode technology, as a new concept and technology, has the potential to simplify manufacturing processes and improve battery performance and production efficiency, thus promoting the industrialization of solid-state batteries.
The industrialization of solid-state batteries (SSBs) with high energy density and high safety is a growth point. The scale-up application toward using SSBs is mainly restrained by batch fabrication of largesheet, high-energy electrodes ( 50 mm) to achieve the high-energy-density demand of 400 Wh/kg. Conventional slurry casting fabrications in SSBs suffer from fragility, solvent sensitivity, and blocked ionic transport. Dry battery electrode (DBE) is an emerging concept and technology in the battery industry that innovates electrode fabrication as a powder to filmroute. The DBE technique can significantly simplify the manufacturing process, reconstruct the electrode microstructures, and increase the material compatibilities. This perspective introduces the concept of DBE techniques and analyzes their superiorities, protocols, scientific principles, and potential attempts at improving the performances and production efficiency of SSBs, aiming to popularize the promising DBE toward the industrialization of SSBs.
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