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US 2014/0193723 A1Published application
Conductivity control in electrochemical cells
AssigneeSion Power Corporation
InventorsKarthikeyan Kumaresan, Yuriy V. Mikhaylik
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Abstract
Electrochemical cells having desirable electronic and ionic conductivities, and associated systems and methods, are generally described.
Claims24
An energy storage device, comprising:
- a first electrode comprising a first electrode active material and having a first electrode electronic conductivity;
- an electrolyte having an ionic conductivity;
- and
- a second electrode comprising a second electrode active material,
- wherein the first electrode electronic conductivity is less than or equal to about 200% of the ionic conductivity of the electrolyte.
2 more elements
An energy storage device, comprising:
- a first electrode comprising a first electrode active material and having an electrode electronic conductivity of about 700 mS/cm or less;
- an electrolyte;
- and
- a second electrode comprising a second electrode active material.
1 more element
An energy storage device, comprising:
- a first electrode comprising a first electrode active material and a total pore volume;
- an electrolyte;
- and
- a second electrode comprising a second electrode active material, wherein:
- the energy storage device is configured such that the first and second electrode active materials undergo a reaction to form a volume of solid reaction product during operation of the energy storage device, and
- the total pore volume of the first electrode is between about 100% and about 300% of the volume of the solid reaction product formed when the reaction has proceeded to substantial completion.
3 more elements
Dependencies are inferred from the claim text.