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Composite battery energy control method capable of reducing cost and prolonging service life

An energy control, composite battery technology, applied in battery/fuel cell control devices, power management, electric vehicles, etc., can solve problems such as unbalanced performance of energy storage systems, reduce the average cost of use, solve unbalanced performance, market Good promotion prospects

Pending Publication Date: 2022-02-18
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a composite battery energy control method that reduces cost and increases life. Its technical purpose is to make full use of semi-active configuration medium-power energy storage components to improve the overall performance index of the energy storage system, and effectively solve the problem of poor performance of a single energy storage system. The problem of balance, reducing the average annual use cost and unit distance use cost of the energy storage system

Method used

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  • Composite battery energy control method capable of reducing cost and prolonging service life
  • Composite battery energy control method capable of reducing cost and prolonging service life
  • Composite battery energy control method capable of reducing cost and prolonging service life

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Embodiment Construction

[0017] The technical solution of the present application will be described in detail below in conjunction with the accompanying drawings.

[0018] figure 1 It is a flow chart of the control method described in this application, such as figure 1 As shown, the low-cost and high-life composite battery energy control method includes:

[0019] Step S1: Select a semi-active composite energy storage system, establish the configuration of the semi-active composite energy storage system to obtain a semi-active configuration, and determine the control amount of the semi-active configuration; wherein, the semi-active composite energy storage system includes LTO battery pack, LFP battery pack, driving motor, inverter, wires, switches and diodes; the control quantity includes the state of switch K2 and the required power distribution ratio of LTO battery pack

[0020] In this application, the configuration of the semi-active composite energy storage system is as follows figure 2 as s...

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Abstract

The invention discloses a composite battery energy control method capable of reducing the cost and prolonging service life, relates to the technical field of intelligent electric vehicle energy, and solves the technical problem of unbalanced performance of a single energy storage system. The composite battery energy control method is characterized in that a power type energy storage component in a semi-active configuration is fully utilized to improve the overall performance index of the energy storage system, and the problem of unbalanced performance of a single energy storage system is effectively solved; and the annual average use cost and the unit distance use cost of the energy storage system are effectively reduced.

Description

technical field [0001] The present application relates to the field of intelligent electric vehicle energy technology, and in particular to an energy control method of a composite battery that reduces cost and increases life. Background technique [0002] The two major problems of "range anxiety" and "high battery cost and short life" widely existing in existing electric vehicles are closely related to the economical driving of automobiles, which seriously restrict the popularization and use of electric vehicles. The fundamental reason is that the energy storage system (Energy Storage System, ESS) is a key factor affecting the energy efficiency of vehicles. How to use the limited battery cost to develop an energy storage system with high energy utilization efficiency and long battery life has become an important issue of common concern in both industry and research fields. At present, it is generally difficult for a single lithium-ion battery to have the characteristics of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/10B60L58/16
CPCB60L58/10B60L58/16Y02T10/70Y02T10/72
Inventor 庄伟超李兵兵殷国栋牛俊严许成奥
Owner SOUTHEAST UNIV