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Record W2596607370 · doi:10.1149/ma2017-01/3/231

The Use of Ester Co-Solvent Based Low Temperature Electrolytes in Experimental and Large Capacity Prototype Graphite-LiNiCoAlO<sub>2</sub> Lithium-Ion Cells

2017· article· en· W2596607370 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueECS Meeting Abstracts · 2017
Typearticle
Languageen
FieldEngineering
TopicAdvancements in Battery Materials
Canadian institutionsEaglePicher (Canada)
Fundersnot available
KeywordsMars Exploration ProgramAstrobiologyElectrolyteContext (archaeology)Jupiter (rocket family)Lithium (medication)Materials scienceSpacecraftIcy moonAnodeCathodeSpace explorationAerospace engineeringNanotechnologySaturnPlanetChemistryEngineeringPhysicsElectrical engineeringElectrodeGeology

Abstract

fetched live from OpenAlex

The 2003 Mars Exploration Rover (MER) and the Mars Science Laboratory (MSL) Curiosity Rover utilize a large capacity rechargeable Li-ion batteries that have been manufactured by EaglePicher-Yardney Division (Yardney). The cell chemistry adopted for these missions consists of mesocarbon microbeads (MCMB) anodes, LiNi x Co 1-x O 2 cathode materials, and a low temperature ternary all-carbonate-based electrolyte developed at JPL 1,2,3 encased in a hermetically sealed prismatic can. The attractiveness of this system is that it displays long life, high specific energy and the ability to operate over a wide temperature range, including charging and discharging at -20 o C. Due to favorable performance characteristics and the heritage established, this cell chemistry has been used on other NASA missions, including the 2007 Phoenix Lander, Grail, and the current Juno mission to Jupiter. To meet even more challenging performance requirements, including the ability to be charged and discharged at -30 o C, the Mars InSight lander, which is a spacecraft being built by Lockheed Martin Space Systems Company, will utilize the next generation LiNiCoAlO 2 (NCA)-based chemistry, which incorporates a JPL developed ester containing low temperature electrolyte. 4,5,6 In the context of supporting possible future missions to the distant icy moons of Jupiter and Saturn, we are currently evaluating the potential of this system to operate at very low temperatures. 7 To enable the exploration of the surfaces of these icy moons, one will require power systems that can potentially operate at ultra-low temperatures (down to -180 o C) in high radiation environments. To meet these challenging requirements, we are currently developing ultra-low temperature rechargeable batteries with high specific energy and long life and with the ability to operate over the temperature range of +40 o C to -60 o C. It is preferred that the cells are capable of continuous operation at very low temperatures, so an emphasis has been focused upon demonstrating efficient charge characteristics over a wide temperature range. In this context, we have investigated a number of electrolytes that contain methyl propionate (MP) as a co-solvent, as well as various additives, to determine their influence upon the low temperature capacity (i.e., down to -65 o C). In addition to evaluating the charge and discharge characteristics over a wide temperature range in large capacity prismatic cells and prototype pouch cells, experimental graphite - LiNiCoAlO 2 three-electrode lithium-ion cells were used to determine the influence of electrolyte type upon the electrode kinetics over a range of temperatures. ACKNOWLEDGEMENT The work described here was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration (NASA) and supported by the Ocean Worlds Program Office. REFERENCES 1. M.C. Smart, B.V. Ratnakumar, and S. Surampudi, “Electrolytes for Low Temperature Lithium-Ion Batteries Based on Mixtures of Aliphatic Carbonates”, J. Electrochem.Soc ., 146 , 486 (1999). 2. M. C. Smart, B. V. Ratnakumar, L. Whitcanack, S. Surampudi, J. Byers, and R. Marsh, IEEE Aerospace and Electronic Systems Magazine , 14: 11 , 36-42 (1999). 3. M. C. Smart, B. V. Ratnakumar, L. D. Whitcanack, K. B. Chin, S. Surampudi, R. Gitzendanner, F. J. Puglia, and J. Byers, “Lithium-ion Batteries for Aerospace ”, IEEE Aerospace and Electronic Systems Magazine , 19:1 , 2004, pp. 18-25. 4. M.C. Smart, and B.V. Ratnakumar, L.D. Whitcanack, K.A. Smith, S. Santee, R. Gitzendanner, V. Yevoli, “Li-Ion Electrolytes Containing Ester Co-Solvents for Wide Operating Temperature Range”, ECS Trans. 11, (29) 99 (2008). 5. M. C. Smart, B. V. Ratnakumar, K. B. Chin, and L. D. Whitcanack, “Lithium-Ion Electrolytes Containing Ester Co-solvents for Improved Low Temperature Performance”, J. Electrochem. Soc., 157 (12), A1361-A1374 (2010). 6. M. C. Smart, S. F. Dawson, R. B. Shaw, L. D. Whitcanack, A. Buonanno, C. Deroy, and R. Gitzendanner, “Performance Validation of Yardney Low Temperature NCA-Based Li-ion Cells for the NASA Mars InSight Mission”, NASA Aerospace Battery Workshop, Huntsville, Alabama, November 18-20, 2014. 7. M. C. Smart, F. C. Krause, J. –P. Jones, L. D. Whitcanack, B. V. Ratnakumar, and E. J. Brandon, “The Use of Low Temperature Electrolytes in High Specific Energy Li-Ion Cells for Future NASA Missions to Icy Moons”, 229th Meeting of the Electrochemical Society, San Diego, May 29-June 2, 2016.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.011
Threshold uncertainty score0.803

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.020
GPT teacher head0.252
Teacher spread0.232 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it