Design of highly-sinterable LATP-CNT composite powder by sequential particle assembly for fabrication of highly electrical-conductive composite electrodes

Kento Ishii; Atsushi Yokoi; Yusaku Sato; Kazuhiro Hikima; Go Kawamura; Wai Kian Tan; Hiroyuki Muto; Atsunori Matsuda; Tetsuo Uchikoshi; Masayoshi Fuji

doi:10.1016/j.apt.2024.104430

ジャーナル論文 Design of highly-sinterable LATP-CNT composite powder by sequential particle assembly for fabrication of highly electrical-conductive composite electrodes

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Kento Ishii, Atsushi Yokoi, Yusaku Sato, Kazuhiro Hikima, Go Kawamura, Wai Kian Tan, Hiroyuki Muto, Atsunori Matsuda, Tetsuo Uchikoshi, Masayoshi Fuji. Design of highly-sinterable LATP-CNT composite powder by sequential particle assembly for fabrication of highly electrical-conductive composite electrodes. Advanced Powder Technology. 2024, 35 (5), 104430. https://doi.org/10.1016/j.apt.2024.104430

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(abstract)

A sequential particle assembling process was performed to fabricate composite particles with multiple components. Cobalt sintering aids and carbon nanotube (CNT) conductive additives were sequentially and electrostatically absorbed on Li1.3Al0.3Ti1.7(PO4)3 (LATP) electrolyte particles under various dispersion conditions. The effect of the particle assembling conditions on the composite body's sintering ability and conductive properties was investigated. By optimizing the microstructure of the composite particle and its particle charging conditions, it became possible to obtain a sintered composite electrode with a finely connected path of each LATP and CNT phase.

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