Intermetallic insertion electrodes with a zinc blende-type structure for Li batteries : a study of Li{sub x}InSb (0 {le} x {lt} 3).
Journal Article
·
· Electrochem. Solid State Lett.
OSTI ID:942720
The intermetallic compound InSb with a zinc blende-type (diamond) structure has been investigated as a host structure for lithium. After one break-in cycle, it appears that lithium can be inserted electrochemically into the structure in a two-step process to the approximate composition Li{sub 2}InSb. X-ray diffraction analysis showed that further lithiation of Li{sub 2}InSb displaces In from the structure to yield a closely related Li{sub 3}Sb-type structure. The electrochemical reaction that occurs between 1.2 and 0.5 V is reversible. The cubic unit cell expands isotropically by only 5.6% upon Li insertion to the end member Li{sub 2+x}In{sub 1-x}Sb at x{approx}0.5. This finding has implications for developing commercially attractive intermetallic insertion electrodes with zinc blende-type structures for lithium-ion batteries.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; EE
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 942720
- Report Number(s):
- ANL/CMT/JA-33975
- Journal Information:
- Electrochem. Solid State Lett., Journal Name: Electrochem. Solid State Lett. Journal Issue: 1 ; 2000 Vol. 3; ISSN 1099-0062
- Country of Publication:
- United States
- Language:
- ENGLISH
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