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- Title
Solid State Enabled Reversible Four Electron Storage.
- Authors
Yersak, Thomas A.; Macpherson, H. Alex; Kim, Seul Cham; Le, Viet‐Duc; Kang, Chan Soon; Son, Seoung‐Bum; Kim, Yong‐Hyun; Trevey, James E.; Oh, Kyu Hwan; Stoldt, Conrad; Lee, Se‐Hee
- Abstract
We report that a solid-state battery architecture enables the reversible, four electron storage of fully utilized solvothermally synthesized cubic-FeS2 (pyrite). With a sulfide based glass electrolyte we successfully confine electro-active species and permit the safe use of a lithium metal anode. These FeS2/Li solid-state cells deliver a theoretical specific capacity of 894 mAh g−1 at 60 °C. We find that nanoparticles of orthorhombic-FeS2 (marcasite) are generated upon recharge at 30-60 °C which explains a coincident change in rate kinetics.
- Publication
Advanced Energy Materials, 2013, Vol 3, Issue 1, p120
- ISSN
1614-6832
- Publication type
Article
- DOI
10.1002/aenm.201200267