The invention discloses a wide-temperature-range lithium iron phosphate battery for a vehicle-mounted emergency call system and a manufacturing method of the wide-temperature-range lithium iron phosphate battery, and belongs to the technical field of lithium ion batteries. The wide-temperature-range lithium iron phosphate battery comprises a positive plate, a negative plate, a diaphragm, electrolyte, a shell and auxiliary materials, the positive plate comprises a positive active material lithium iron phosphate, a positive conductive agent, a positive binder and an aluminum current collector, the negative plate comprises negative graphite, a negative conductive agent, a negative dispersing agent, a negative binder and a copper current collector, and the electrolyte comprises a solvent, an electrolyte and an additive. According to the wide-temperature lithium iron phosphate battery for the vehicle-mounted emergency call system and the manufacturing method of the wide-temperature lithium iron phosphate battery, the energy density range of the battery is 1.6-6.5 Wh, the diameter range of the battery is 14.0-18.5 mm, the height range of the battery is 35.0-65.5 mm; the battery has a good wide temperature range, and the normal use of the lithium battery at -30 DEG C to 85 DEG C can be realized; and the problems in the prior art are solved.
本发明公开用于一种用于车载紧急呼叫系统的宽温磷酸铁锂电池及其制作方法,属于锂离子电池技术领域,包括正极片、负极片、隔膜、电解液、外壳和辅材,所述正极片包括正极活性物质磷酸铁锂、正极导电剂、正极粘结剂和铝集流体,负极片包括负极石墨、负极导电剂、负极分散剂、负极粘结剂和铜集流体,所述电解液包括溶剂、电解质和添加剂,本发明公开用于车载紧急呼叫系统的宽温磷酸铁锂电池及其制作方法,其电池能量密度范围1.6~6.5Wh,电池直径范围14.0~18.5mm,电池高度范围35.0~65.5mm,具有良好的宽温度范围,可实现‑30℃至85℃间锂电池的正常使用。解决了现有技术中存在的问题。
Wide-temperature lithium iron phosphate battery for vehicle-mounted emergency call system and manufacturing method of wide-temperature lithium iron phosphate battery
用于车载紧急呼叫系统的宽温磷酸铁锂电池及其制作方法
2022-01-07
Patent
Electronic Resource
Chinese
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme |
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