US 12,247,154 B2
Use of 2,3,3,3-tetrafluoropropene for heating a lithium battery
Gregory Schmidt, Pierre-Benite (FR)
Assigned to Arkema France, Colombes (FR)
Appl. No. 17/597,250
Filed by Arkema France, Colombes (FR)
PCT Filed Jun. 3, 2020, PCT No. PCT/FR2020/050946
§ 371(c)(1), (2) Date Dec. 30, 2021,
PCT Pub. No. WO2021/005277, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 1907557 (FR), filed on Jul. 5, 2019.
Prior Publication US 2022/0315821 A1, Oct. 6, 2022
Int. Cl. H01M 10/613 (2014.01); C09K 5/04 (2006.01); H01M 4/38 (2006.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 10/625 (2014.01); H01M 10/6564 (2014.01); H01M 10/6571 (2014.01); H01M 10/663 (2014.01); H01M 4/02 (2006.01)
CPC C09K 5/045 (2013.01) [H01M 4/382 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/6564 (2015.04); H01M 10/6571 (2015.04); H01M 10/663 (2015.04); C09K 2205/126 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0028 (2013.01)] 11 Claims
 
1. A use of a refrigerant comprising 2,3,3,3-tetrafluoropropene for heating of a battery of an electric vehicle comprising at least one electrochemical cell comprising a negative electrode, a positive electrode and an electrolyte, the electrolyte comprising a lithium salt and the negative electrode comprising metallic lithium as electrochemically active material,
wherein the refrigerant comprises 60% by weight to 78.5% by weight of 2,3,3,3-tetrafluoropropene and 21.5% by weight to 40% by weight of difluoromethane, and
wherein the refrigerant circulates in a vapor compression circuit such that a heat-transfer process of the refrigerant is carried out cyclically and comprises:
evaporation of the refrigerant in an evaporator;
compression of the refrigerant in a compressor;
condensation of the refrigerant in a condenser; and
expansion of the refrigerant in an expansion module,
wherein the refrigerant is subcooled between the condensation and the expansion, and the subcooling is from 1 to 50° C.