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Lithium iron phosphate soft package power lithium ion battery pack and battery replacement method

A lithium-ion battery pack and lithium iron phosphate technology, which is applied to battery pack components, secondary battery charging/discharging, secondary batteries, etc., can solve problems such as reducing the number of times of use of soft-pack lithium batteries and potential safety hazards, and achieve weight reduction. Lightweight, anti-loss, small temperature rise effect

Pending Publication Date: 2020-09-08
华富(江苏)锂电新技术有限公司
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Problems solved by technology

But at the same time, with the frequent charging and discharging of the soft-pack power lithium-ion battery, or the occurrence of adverse conditions such as overcharge, over-discharge, short circuit, and over-temperature, the number of times the soft-pack lithium battery is used will be greatly reduced, and there are certain Security risks

Method used

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  • Lithium iron phosphate soft package power lithium ion battery pack and battery replacement method
  • Lithium iron phosphate soft package power lithium ion battery pack and battery replacement method

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Embodiment Construction

[0031] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0032] figure 1 is an exploded view of the present invention, such as figure 1 As shown, the present invention includes a chassis, a lithium battery pack, a battery management system BMS6, a wireless transmission module 17, a GPS module 16, an antenna 3, and a socket interface 4. The cabinet includes a box body 13 and a box cover 5, the box cover 5 is provided with two rectangular skylights, the epoxy resin board 2 (black) blocks and seals the rectangular skylights, and the antenna 3 is divided into a GPS antenna and a GSM antenna, such as figure 2 As shown, it is used for positioning and receiving and sending wireless transmission signals. The GPS antenna...

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Abstract

The invention relates to a lithium iron phosphate soft package power lithium ion battery pack and a battery replacement method. The lithium ion battery pack comprises a case, a lithium battery pack and an antenna; an assembling plate is arranged on the assembling side of the lithium battery pack; the lithium battery pack comprises a plurality of lithium iron phosphate power soft package lithium-ion battery cells which are attached in parallel; a tab of the lithium iron phosphate soft package lithium ion battery cell extends and penetrates through the assembly plate; a battery management systemBMS is arranged on the outer side of the assembly plate, the battery management system (BMS) is connected with the tabs in series, the battery management system BMS is electrically connected with thewireless transmission module and the GPS module, and the antenna is electrically connected with the wireless transmission module and the GPS module integration module. The battery replacement methodcomprises the steps of charging, battery replacing and discharging. The lithium iron phosphate soft package power lithium ion battery pack and the battery replacement method have the characteristics of high cycle index and high charging efficiency, and also has the advantages of excellent high-rate performance, small temperature rise, strong power and higher safety performance; real-time protection on charging and discharging of the lithium battery is realized; and the positions of the vehicle and the battery can be monitored in real time.

Description

technical field [0001] The invention relates to a lithium iron phosphate soft pack power lithium ion battery pack and a battery replacement method, belonging to the technical field of lithium ion batteries. Background technique [0002] At present, in the field of electric vehicles, with the continuous increase in the number of domestic electric vehicles, a large number of people who have used electric vehicles for a long time and a large number of takeaway and delivery riders are increasingly facing some problems about "charging is inconvenient" and "charging speed is not high. ", "many safety hazards", "insufficient battery life", "long waiting time", "low efficiency" and other issues, in this context, the "battery swap" model was proposed, and the model of battery swap through electric vehicles To solve the pain points of the traditional charging mode, improve the replacement efficiency, and meet the needs of the cruising range. Compared with lead-acid batteries and tern...

Claims

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Application Information

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IPC IPC(8): H01M2/10H01M2/20H01M10/42H01M10/44H01M50/244H01M50/249H01M50/284H01M50/503H01M50/519
CPCH01M10/425H01M10/44H01M2010/4278Y02E60/10
Inventor 蒋仕平姜庆海施晓渝刘成刚牛岗朱明海王传琴王大林孟云成辰王登霞
Owner 华富(江苏)锂电新技术有限公司
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