solid state batteries

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6 Terms

1
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what shortcoming are we trying to solve for solid state batteries

  1. improve energy density

  2. improved safety

  3. more durability

  4. keep cost down/increase profit


2
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elytes of solid state batteries

  1. gel polymers

  2. true solid polymers

  3. glasses

  4. crystalline systems

  5. composite systems


3
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what makes solid state batteries worth it

  1. allows for denser packing of cells in a pack

  2. higher density

  3. increased durability


4
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true thin film batteries (4 things)

  • 1-10 um deposited layers

  • very low useful energy (microamps)

  • LiPON

  • not easily scaled


5
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Liquid Backfilled Pros and Cons

pros

  • known cathode system

  • no dendrites

cons

  • flammable elyte

  • mechanical breathing


6
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catholyte based solid state def and challenges

half active material half solid state

  • lots of interfaces have to be good solid

  • loss of active material volume

  • need lots of elyte in cathode