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Title: Laser Sintering of Printed Anodes for Al-Air Batteries

Journal Article · · Journal of the Electrochemical Society
 [1];  [2];  [3];  [4];  [5];  [5]; ORCiD logo [6]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States); Shandong Univ., Jinan (China)
  3. Univ. of Tennessee, Knoxville, TN (United States); Sichuan Univ., Chengdu (China)
  4. CK Technologies, Meridianville, AL (United States)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  6. Univ. of Tennessee, Knoxville, TN (United States); Beijing Univ. of Technology (China)

We report on a 3D printed Al anode for Al-air battery combined with laser sintering method. We verified that laser sintering contributed to effective removal of the organic solvent in the slurry and increased the conductivity of the printed anode. By application of infrared laser sintering, we significantly improved electrical contacts of Al nanoparticles and electrochemical performance of Al-air cells. A Pt/C coated hydrophobic carbon paper was used for air cathode to provide a good electrical contact, an oxygen flow ability, and the water sealing. Gel-style KOH was introduced as the electrolyte and waterways also utilized in the chemical reaction. The laser sintered Al-air battery could provide 239 mAh/g discharge capacity and a 0.95 V operation voltage. Also, a 3D structured anode was fabricated by 3D printing the active material on current collectors to achieve a high mass-loading with active material thickness of 360 μm, 560 μm and 680 μm for 1, 2 and 3 layers 3D printed electrodes. The battery cells provide areal discharge capacities of 1.5 mAh/cm2, 2.8mAh/cm2, and 3.23 mAh/cm2, respectively for 1, 2 and 3 layers-electrodes.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1476405
Journal Information:
Journal of the Electrochemical Society, Vol. 165, Issue 3; ISSN 0013-4651
Publisher:
The Electrochemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

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Cited By (5)

Advanced Technologies for High‐Energy Aluminum–Air Batteries journal November 2018
Zn@C Core–Shell Nanocomposite for Rechargeable Aqueous Zn//MnO 2 Batteries with Long Lifetime journal March 2019
Seed-mediated atomic-scale reconstruction of silver manganate nanoplates for oxygen reduction towards high-energy aluminum-air flow batteries journal September 2018
Effect of ZnO Filler on PVA-Alkaline Solid Polymer Electrolyte for Aluminum-Air Battery Applications journal January 2018
Recent Progress of Metal–Air Batteries—A Mini Review journal July 2019

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