C/Si Composite Anodes for Advanced Lithium Ion Batteries

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Resistance Increase NotExcessive0% Si 20% Si3545304025352030Rdis (ohm m)151050-5-100 20 40 60 80 100 120Rdis (oh m)25201510500 20 40 60 80 100 120DOD (%)DOD (%)TDAR e s e a r c h
Economic Analysis FavorsLarger Particle Size Si44 um Si Nano Si($/kg) ($/kg)Materials Cost 82 8.2 202.4Production Cost 17.7 211.9TDAR e s e a r c h
Page 1 and 2: NASA Battery WorkshopHuntsville, AL
Page 3 and 4: TDA Research, Inc.www.tda.comWheat
Page 5 and 6: History of Commercial SuccessTDA’
Page 7 and 8: Engineered Pore-SizeOptimizes Perfo
Page 9 and 10: Silicon as an Anode• 4200 mAh/g c
Page 11 and 12: Si/C Composites+ xLi+-xLi +SiLi x S
Page 13 and 14: Synopsis of Work EffortThere were t
Page 15 and 16: Started with Control CarbonsFired a
Page 17 and 18: Process Conditions Changed toReduce
Page 19 and 20: Initial Si-nano Controls AlsoShowed
Page 21 and 22: Dispersion of NanoSi Resultedin The
Page 23 and 24: Carbon Stabilized Si CapacityCapaci
Page 25 and 26: Type 2 Carbon Has BetterCapacity Fa
Page 27 and 28: Power is Dependent onLoading Level
Page 29: Cycle Life Will Be Focus ofFuture E
Page 33: Thanks to NASA JSC for FundingNASA

C/Si Composite Anodes for Advanced Lithium Ion Batteries

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