Ultrathin Direct Atomic Layer Deposition on Composite Electrodes for Highly Durable and Safe Li-Ion Batteries
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- Ultrathin Direct Atomic Layer Deposition on Composite Electrodes for Highly Durable and Safe Li-Ion Batteries
- Jung, Yoon Seok; Cavanagh, Andrew S.; Riley, Leah A.; Kang, Sun-Ho; Dillon, Anne C.; Groner, Markus D.; George, Steven M.; Lee, Se-Hee
- LITHIUM SECONDARY BATTERIES; NATURAL GRAPHITE ANODE; BINARY REACTION SEQUENCE; SURFACE MODIFICATION; ELECTROCHEMICAL PROPERTIES; CATHODE MATERIAL; INTERCALATION; INTERPHASE; CHEMISTRY; STABILITY
- Issue Date
- WILEY-V C H VERLAG GMBH
- ADVANCED MATERIALS, v.22, no.19, pp.2172 - +
- Direct atomic layer deposition (ALD) on composite electrodes leads to ultrathin conformal protective coatings without disrupting inter-particle electronic pathways. Al(2)O(3)-coated natural graphite (NG) electrodes obtained by direct ALD on the as-formed electrode show exceptionally durable capacity retention even at an elevated temperature of 50 degrees C. In sharp contrast, ALD on powder results in poorer cycle retention than bare NC.
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