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High Energy Density, Long Cycle Life Li-S Batteries for Space Applications

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: 80NSSC20C0192
Agency Tracking Number: 192824
Amount: $746,930.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: Z1
Solicitation Number: SBIR_19_P2
Solicitation Year: 2019
Award Year: 2020
Award Start Date (Proposal Award Date): 2020-08-26
Award End Date (Contract End Date): 2022-08-25
Small Business Information
11149 Bradford Road
Littleton, CO 80127-4200
United States
DUNS: 148034408
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Weibing Xing
 (303) 874-8292
Business Contact
 Anita Fritz
Phone: (303) 874-7376
Research Institution

ADA Technologies, Inc. (ADA) successfully demonstrated ADA advanced lithium-sulfur (Li-S) battery technology through material engineering of battery cell components with the following main achievements. (1) Successfully developed sulfur-carbon (S-C) composite electrodes with high S content, high electrode loading and excellent electrochemical performance in the resultant Li-S cells projecting conservatively a specific energy of gt;400 Wh/kg at cell level. (2) Successfully developed Li metal anode protection and coating methodologies with demonstrated superior electrochemical performance to the uncoated Li anode including high specific capacity/energy, improved cycle stability and suppressed Li dendrite formation for improved battery operation and safety of the resultant Li-S cells or batteries. (3) Using the advanced battery cell components developed under the Phase I program, the advanced Li-S cells demonstrated highly stable cycle life performance showing a great promise of achieving cycle life of 1,000 cycles at 70% depth-of-discharge (DOD). (4) ADA successfully demonstrated a Li-S pouch cell of 350 mAh in size, which delivered a high specific capacity and a stable Coulombic efficiency. This result will guide Phase II scale up efforts.The successful Phase I program laid a solid foundation and justification for a continued Phase II development effort where a technical readiness level (TRL) of 6 is anticipated at the end of the Phase II program.nbsp; ADA proposes the following Phase II development efforts: (1) Further develop/mature the Li-S battery technology via material engineering to achieve multiple performance goals including gt;400 Wh/kg at cell level, 1,000 cycles at 70% DOD and wide temperature operation (-20deg;C to +70deg;C). (2) Demonstrate the Li-S battery technology in large format prototype cells with a subsequent manufacturing/commercialization efforts for NASA lunar/space applications and non-NASA applications (e.g., defense, commercial).

* Information listed above is at the time of submission. *

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