US 12,218,349 B2
Rechargeable battery cell
Laurent Zinck, Mothern (FR); and Christian Pszolla, Karlsruhe (DE)
Assigned to Innolith Technology AG, Basel (CH)
Filed by Innolith Technology AG, Basel (CH)
Filed on Oct. 29, 2021, as Appl. No. 17/514,894.
Application 17/514,894 is a continuation of application No. PCT/EP2020/059913, filed on Apr. 7, 2020.
Claims priority of application No. 19 171 866 (EP), filed on Apr. 30, 2019.
Prior Publication US 2022/0052333 A1, Feb. 17, 2022
Int. Cl. H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/505 (2013.01) [H01M 4/525 (2013.01); H01M 4/623 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0071 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A rechargeable battery cell having a housing, at least one positive electrode, at least one negative electrode and an electrolyte comprising at least one conducting salt:
wherein the electrolyte is based on SO2; and
wherein the positive electrode comprises an active material of the composition AxM′yM″z(XO4-mSn);
A being an alkali metal, an alkaline earth metal, a metal from group 12 of the periodic table or aluminum,
M′ being at least one metal selected from a group consisting of the elements titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper and zinc,
M″ being at least one metal selected from a group consisting of the metals of groups 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15 and 16 of the periodic table,
X being selected from a group consisting of the elements phosphorus and silicon,
x being greater than 0,
y being greater than 0,
z being greater than or equal to 0,
n being greater than 0 and
m being at least 0.001 and less than or equal to n.