3D printing of an anode scaffold for lithium batteries guided by mixture design-based sequential learning

Ionic conductivity and ion transport mechanisms of solid‐state lithium‐ion battery electrolytes: A review

“…The cells assembled by protected Li showed a longer cycle life and a more stable average Coulombic efficiency of 95.7% in the first 50 cycles and maintained 93.6% at the 100th cycle. Wu's group 68 has reported a three‐dimensional (3D) porous copper (Cu) scaffold that has improved interfacial stability and suppressed lithium dendrite growth between the NASICON electrolytes and the Li metal anode. The formation of thin copper oxide (CuO) interlayer further improved the Li and LATP interfacial contact and helped overcome the side reactions of LATP with the Li metal anode.…”

Coaxial Ceramic Direct Ink Writing on Heterogenous and Rough Surfaces: Investigation of Core–Shell Interactions

“…Values of G′ > 200 Pa tend to provide adequate stiffness and self-supporting properties. 22−24 The stiffness of an ink may be tailored through several levers, including increasing the particulate phase volume fraction, 25,26 employing a high viscosity binder solution, 27 or through tailoring colloidal interactions. 28,29 Several groups have engineered extrudable ceramic inks with limited drying and sintering shrinkage through exploration of the particulate phase volume fraction.…”

“…In most cases, the objective is to obtain a critical threshold of the storage modulus ( G ′) which reduces slumping and maintains printed fidelity. Values of G ′ > 200 Pa tend to provide adequate stiffness and self-supporting properties. − The stiffness of an ink may be tailored through several levers, including increasing the particulate phase volume fraction, , employing a high viscosity binder solution, or through tailoring colloidal interactions. , Several groups have engineered extrudable ceramic inks with limited drying and sintering shrinkage through exploration of the particulate phase volume fraction. These works suggest that volume loadings greater than 50% are suitable to prevent cracking during drying and promote shape retention .…”

Challenge-driven printing strategies toward high-performance solid-state lithium batteries

“…To address these issues, machine learning (ML), as a rising technology, could provide an efficient and cost-saving method to simplify the printing fabrication process. 92 The sequential learning was commonly employed in the optimization of the ink formulation and printing process parameters. The specic boundary constraints for the ink constituents (e.g., active material loadings, binder solution, and humectant) could be determined by analyzing the data in the literature as well as in preliminary experiments.…”

“…Sierros et al printed a 3D porous Cu current collector for accommodating Li metal. 92 The interconnected 3D network provided a large surface area, ensuring sufficient contact between the Li anode and SSEs. The thin layer of CuO between the LATP-based SSE and Cu grid had low electronic conductivity, forming a multifunctional solid electrolyte interphase that could lower the interfacial resistance and overcome the side reactions.…”