26-03-2015 дата публикации
Номер: US20150086848A1
Принадлежит:
HE3DA S.R.O.
A lithium accumulator with a housing comprising at least one cell with two electrodes () provided with current collectors () and separated by a separator () wherein each electrode (), free of organic binders, is pressed down onto both sides of the current collector () made of a perforated metal strip in the form of metal network, expanded meal or perforated metallic foil. The minimum thickness of the electrodes () is three times the thickness of the perforated metal strip (). 1224332233ababa,ba,b. A lithium accumulator with a housing comprising at least one cell with two electrodes ( , ) separated by a separator () , current collectors ( , ) and electrolyte composed of a solution of lithium salt in an organic solvent , wherein each electrode () , free of organic binders , is pressed down onto both sides of the current collector () made of a perforated metal strip in the form of metal network , expanded metal or perforated metallic foil.21111a,b. The lithium accumulator of wherein the cells are tightened up between two marginal covers () mutually connected by bolts ().32233a,ba,b. The lithium accumulator of wherein the minimum thickness of the electrodes () is three times the thickness of the current collector perforated metal strip ().431. The lithium accumulator of wherein the perforated metal strip is 30-500 μm thick and is provided with a projection () on one of its edges.522a,b. The lithium accumulator of wherein at least one electrode () is composed of a spatially distributed electron conductive component claim 1 , which is mixed and compressed with an active material claim 1 , free of organic binders and having the morphology of hollow spheres with a wall thickness of maximum 10 micrometers claim 1 , or the morphology of aggregates or agglomerates of maximum size of 30 micrometers and porosity from 25 to 95%.6. The lithium accumulator of wherein the electron conductive component is elected from the group consisting of conductive compressible carbon and its ...
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