All-solid-state thin-film rechargeable lithium batteries using solid redox polymerization electrodes
Lithium batteries using solid redox polymerization electrodes maintain the advantages of all-solid-state thin-film systems while overcoming the limitations of using intercalation compounds as cathodes (i.e., insufficient rate capability and unsatisfactory cathode utilization). Laboratory Li/PEO/SRPE cells have already demonstrated much higher power capability, energy density, and cathode utilization than analogous Li/PEO/TiS{sub 2} cells. One of the Li/PEO/SRPE cells has achieved 350 cycles from 50{degree}C to 93{degree}C with a sustained energy density of 264 Wh/kg (241 Wh/1), power density of 160 W/kg (144 W/1), and 38% to 75% of cathode utilization at 90% voltage efficiency. At 100{degree}C, power densities of over 2400 W/kg and energy density of 200 W/kg have been achieved with up to 96% utilization of cathode capacity. At ambient temperatures, the cells can be discharged at a current density of 250 {mu}A/cm{sup 2}, achieving a film capacity of 0.5 coulombs/cm{sup 2}. 7 refs., 5 figs.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- DOE/CE
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 7247698
- Report Number(s):
- LBL-27964; CONF-8910107-11; ON: DE90008665
- Resource Relation:
- Conference: Electrochemical Society fall meeting, Hollywood, FL (USA), 15-20 Oct 1989
- Country of Publication:
- United States
- Language:
- English
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