Thin film battery and electrolyte therefor

   
   

A solid amorphous electrolyte composition for a thin-film battery. The electrolyte composition includes a lithium phosphorus oxynitride material containing a sulfide ion dopant wherein the atomic ratio of sulfide ion to phosphorus ion (S/P) in the electrolyte ranges greater than 0 up to about 0.2. The composition is represented by the formula: Li.sub.w PO.sub.x N.sub.y S.sub.z, where 2x+3y+2z=5+w, x ranges from about 3.2 to about 3.8, y ranges from about 0.13 to about 0.46, z ranges from greater than zero up to about 0.2, and w ranges from about 2.9 to about 3.3. Thin-film batteries containing the sulfide doped lithium oxynitride electrolyte are capable of delivering more power and energy than thin-film batteries containing electrolytes without sulfide doping.

Uma composição amorfa contínua do eletrólito para uma bateria thin-film. A composição do eletrólito inclui um material do oxynitride do phosphorus do lítio que contem um dopant do íon do sulfide wherein a relação atômica do íon do sulfide ao íon do phosphorus (S/P) no eletrólito varia mais extremamente de 0 até aproximadamente 0.2. que a composição é representada pela fórmula: Li.sub.w PO.sub.x N.sub.y S.sub.z, onde 2x+3y+2z=5+w, x varia de aproximadamente 3.2 a aproximadamente 3.8, y varia de aproximadamente 0.13 a aproximadamente 0.46, z varia mais extremamente de de zero até aproximadamente 0.2, e w varia de aproximadamente 2.9 a aproximadamente 3.3. As baterias thin-film que contêm o eletrólito doped sulfide do oxynitride do lítio são capazes de entregar mais poder e energia do que as baterias thin-film que contêm eletrólitos sem doping do sulfide.

 
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