C/Si Composite Anodes for Advanced Lithium Ion Batteries

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C/Si Composites With 44 um SiParticles Showed Good CapacitySample mAh/g mAh/ml %SiSO32 1080 305 20SO36 1510 595 40SO38 1270 500 40But high capacity fade!TDAR e s e a r c h
Dispersion of NanoSi Resultedin Theoretical CapacityCapacity450040003500Capacity (mA Ah/g)30002500200015001000500Si nanoSi 325 meshSi disp nano01 2 3 4 5Cycle (#)TDAR 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: Initial Si-nano Controls AlsoShowed
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 and 30: Cycle Life Will Be Focus ofFuture E
Page 31 and 32: Economic Analysis FavorsLarger Part
Page 33: Thanks to NASA JSC for FundingNASA

C/Si Composite Anodes for Advanced Lithium Ion Batteries

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