US 12,224,462 B2
Electrolyte supply system and secondary battery using same
Hiroki Matsui, Shizuoka (JP); Ryosuke Asai, Osaka (JP); Kouji Iida, Tokyo (JP); and Sadaaki Shimura, Shizuoka (JP)
Assigned to PANASONIC HOLDINGS CORPORATION, Osaka (JP); and PRIMEARTH EV ENERGY CO., LTD., Shizuoka (JP)
Appl. No. 18/730,036
Filed by Panasonic Holdings Corporation, Osaka (JP); and PRIMEARTH EV ENERGY CO., LTD., Shizuoka (JP)
PCT Filed Dec. 26, 2022, PCT No. PCT/JP2022/047858
§ 371(c)(1), (2) Date Jul. 18, 2024,
PCT Pub. No. WO2023/188644, PCT Pub. Date Oct. 5, 2023.
Claims priority of application No. 2022-058735 (JP), filed on Mar. 31, 2022.
Prior Publication US 2024/0421458 A1, Dec. 19, 2024
Int. Cl. H01M 50/673 (2021.01); H01M 50/609 (2021.01); H01M 50/77 (2021.01)
CPC H01M 50/673 (2021.01) [H01M 50/609 (2021.01); H01M 50/77 (2021.01)] 5 Claims
OG exemplary drawing
 
1. An electrolyte supply system for supplying an electrolyte to a use point, comprising:
a receiving storage tank configured to store the electrolyte that has been delivered,
a circulation pipe for recirculating the electrolyte in the receiving storage tank to the receiving storage tank;
a receiving storage tank pump provided in the circulation pipe to circulate the electrolyte;
a supply storage tank to which the electrolyte is transferred from the receiving storage tank;
a connection pipe provided in the circulation pipe to connect the receiving storage tank and the supply storage tank;
a temperature control device configured to control temperatures of the electrolyte in the receiving storage tank and that in the supply storage tank; and
a supply pipe that is laid from the supply storage tank to the use point;
wherein
the supply pipe is of a circulation type with which the electrolyte returns to the supply storage tank.