# Structured electrode additive manufacturing for lithium-ion batteries

**Authors:** Soyeon Park, Kaiyue Deng, Baohui Shi, Yuanyuan Shang,  Kun,  Fu  
**arXiv:** [2109.04520](https://arxiv.org/abs/2109.04520)  
**Date:** 2021-09-09  
**Summary page:** https://www.summarizepaper.com/en/paper/2109.04520v1/

## Key points

- Structure Electrode Additive Manufacturing (SEAM) developed for thick electrodes in lithium-ion batteries
- SEAM aligns active materials in through-thickness direction using shear flow and printing path
- Results in ultra-thick electrodes with high loading of active materials, low tortuous structure, and good structural stability
- Enables rapid ion transport and fast electrolyte infusion for higher areal capacity compared to traditional slurry-casted electrodes
- Design flexibility and scalability allow for practical high energy/power density structure electrodes
- Advancement opens up possibilities for improved performance and energy storage capabilities in lithium-ion batteries

## Summary

A new manufacturing approach called Structure Electrode Additive Manufacturing (SEAM) has been developed to address the challenges associated with thick electrodes in high-energy-density lithium-ion batteries. Thick electrodes have previously shown promise for achieving high areal capacity but faced difficulties in manufacturing and limitations in ion transport. SEAM overcomes these challenges by aligning the active materials in the through-thickness direction of the electrodes using shear flow and a designed printing path. This results in ultra-thick electrodes with high loading of active materials, a low tortuous structure, and good structural stability. As a result, SEAM enables rapid ion transport and fast electrolyte infusion leading to higher areal capacity compared to traditional slurry-casted thick electrodes. One of the key strengths of SEAM is its design flexibility and scalability allowing for the production of practical high energy/power density structure electrodes. This advancement opens up new possibilities for developing lithium-ion batteries with improved performance and energy storage capabilities. The study was conducted by Soyeon Park, Kaiyue Deng, Baohui Shi, Yuanyuan Shang, Kun Fu from Kelvin. The research paper titled "Structured Electrode Additive Manufacturing for Lithium-Ion Batteries" provides further details on this innovative manufacturing approach.