US 12,308,431 B2
Rechargeable battery cell
Laurent Zinck, Mothern (FR); Christian Pszolla, Bad Schönborn (DE); and Markus Borck, Stuttgart (DE)
Assigned to Innolith Technology AG, Basel (CH)
Filed by Innolith Technology AG, Basel (CH)
Filed on Nov. 17, 2021, as Appl. No. 17/528,860.
Application 17/528,860 is a continuation of application No. PCT/EP2020/071563, filed on Jul. 30, 2020.
Claims priority of application No. 19189435 (EP), filed on Jul. 31, 2019.
Prior Publication US 2022/0077461 A1, Mar. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/58 (2010.01); H01M 4/133 (2010.01); H01M 4/136 (2010.01); H01M 4/48 (2010.01); H01M 4/583 (2010.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/74 (2006.01); H01M 4/80 (2006.01); H01M 10/0525 (2010.01); H01M 10/054 (2010.01); H01M 10/056 (2010.01); H01M 10/0562 (2010.01); H01M 10/0563 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/5825 (2013.01) [H01M 4/133 (2013.01); H01M 4/136 (2013.01); H01M 4/483 (2013.01); H01M 4/5805 (2013.01); H01M 4/583 (2013.01); H01M 4/587 (2013.01); H01M 4/623 (2013.01); H01M 4/661 (2013.01); H01M 4/745 (2013.01); H01M 4/808 (2013.01); H01M 10/0525 (2013.01); H01M 10/054 (2013.01); H01M 10/056 (2013.01); H01M 10/0562 (2013.01); H01M 10/0563 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/002 (2013.01); H01M 2300/0071 (2013.01)] 52 Claims
OG exemplary drawing
 
1. A rechargeable battery cell, comprising:
at least one positive electrode having a polyanionic compound as an active material, wherein the polyanionic compound comprises polyanionic structural units covalently bonded to metal oxide (MOx) polyhedra;
at least one negative electrode;
a housing;
an SO2 based electrolyte comprising a first conducting salt which has the formula (I)

OG Complex Work Unit Chemistry
wherein:
M is a metal selected from the group consisting of alkali metals, alkaline earth metals, metals of group 12 of the periodic table of the elements, and aluminum;
x is an integer from 1 to 3;
R1, R2, R3 and R4 are selected independently of one another from the group consisting of substituted or unsubstituted C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C6-C14 aryl and C5-C14 heteroaryl; and
Z is aluminum or boron.