Lithium microbattery provided with an electronically conductive packaging layer
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United States of America Patent
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Dec 16, 2014
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app pub date -
Oct 12, 2010
filing date -
Oct 26, 2009
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Abstract
A lithium microbattery comprises a packaging thin layer formed by a matrix of polymer material in which metallic particles are dispersed. The packaging thin layer constitutes at least a part of the anodic current collector of the lithium microbattery. The polymer material is advantageously obtained from at least a photopolymerizable precursor material chosen from bisphenol A diglycidylether, bisphenol F butanediol diglycidil ether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine. It can also be a copolymer obtained from a homogenous mixture of at least two photopolymerizable precursor materials, respectively acrylate-base, such as diacrylate 1,6-hexanediol and methacrylate, and epoxide-base, for example chosen from bisphenol A diglycidylether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine.
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