Lithium storage cell presenting both a high electrical...

Details Lithium storage cell presenting both a high electrical... Lithium storage cell presenting both a high electrical...

2004-11-30

2009-11-24

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S217000, C429S219000, C429S220000, C429S221000, C429S223000, C429S224000, C429S231500, C429S231600, C429S231800, C429S231900, C429S232000

Reexamination Certificate

active

07622224

ABSTRACT:
A lithium storage cell comprises at least a first electrode comprising an active material wherein Li+cations can be inserted, a second electrode and an electrolyte. The active material of the first electrode comprises a linear condensed compound comprising at least two tetrahedra, respectively of AO4and A′O4type, bonded by a common oxygen atom. A transition metal ion M2+with a degree of oxidation of +2 selected from the group consisting of Ni2+, Co2+, Mn2+, Fe2+and Ti2+is inserted in the linear condensed compound, and the ratio between the number of Li+cations able to be inserted in the active material and the number of transition metal ions M2+is strictly greater than 1. A and A′ are selected from the group consisting of P5+, Si4+, Al3+, S6+, Ge4+, B3+.

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Database Chemabs, Online, Chemical Abstracts Service, Columbus, Nagornii, et al., “Interactions in the system M20-P205-CoO with M=Li, in Na, K” Article No. XP002290226.
Database Chemabs, Online, Chemical Abstracts Service, Columbus, Nagornii, et al., “Interactions in the system M20-P205-CoO with M=Li, in Na, K” Article No. XP002290227.
S. Poisson, et al., Crystal Structure and Caption Transport Properties of the Layered Monodiphoshates: Li9M3(P2O7)3(PO4)2(M=A1,Ga,Cr,Fe).

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